Aurora Forecast Bot from NOAA (UNOFFICIAL)

@aurora.nws-bot.us

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A bot sharing aurora forecast details from the NOAA's Space Weather Prediction Center. This account is unmonitored. Contact @wandrme.paxex.aero if needed.

Space Weather Message Code: WARK04 Serial Number: 5389 Issue Time: 2026 Jul 21 1709 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5388 Valid From: 2026 Jul 21 0910 UTC Now Valid Until: 2026 Jul 22 0600 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5390 Issue Time: 2026 Jul 22 1456 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 22 1454 UTC Valid To: 2026 Jul 22 2359 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5391 Issue Time: 2026 Jul 23 1435 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 23 1432 UTC Valid To: 2026 Jul 24 0900 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2677 Issue Time: 2026 Jul 23 1559 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 23 1547 UTC Synoptic Period: 1500-1800 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK05 Serial Number: 2251 Issue Time: 2026 Jul 23 1620 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Jul 23 1619 UTC Valid To: 2026 Jul 23 2359 UTC Warning Conditions: Onset Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK05 Serial Number: 2040 Issue Time: 2026 Jul 23 1621 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 23 1621 UTC Synoptic Period: 1500-1800 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK06 Serial Number: 667 Issue Time: 2026 Jul 23 1640 UTC WARNING: Geomagnetic K-index of 6 expected Valid From: 2026 Jul 23 1639 UTC Valid To: 2026 Jul 23 2359 UTC Warning Conditions: Onset Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK05 Serial Number: 2041 Issue Time: 2026 Jul 23 2015 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 23 2007 UTC Synoptic Period: 1800-2100 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK05 Serial Number: 2252 Issue Time: 2026 Jul 23 2347 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2251 Valid From: 2026 Jul 23 1619 UTC Now Valid Until: 2026 Jul 24 0600 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5388 Issue Time: 2026 Jul 21 0911 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 21 0910 UTC Valid To: 2026 Jul 21 1800 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2676 Issue Time: 2026 Jul 21 1201 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 21 1159 UTC Synoptic Period: 0900-1200 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5387 Issue Time: 2026 Jul 15 0853 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5386 Valid From: 2026 Jul 15 0143 UTC Now Valid Until: 2026 Jul 15 1500 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5385 Issue Time: 2026 Jul 15 0144 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 15 0143 UTC Valid To: 2026 Jul 15 0600 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5386 Issue Time: 2026 Jul 15 0554 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5385 Valid From: 2026 Jul 15 0143 UTC Now Valid Until: 2026 Jul 15 0900 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2675 Issue Time: 2026 Jul 15 0558 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 15 0554 UTC Synoptic Period: 0300-0600 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5384 Issue Time: 2026 Jul 13 2350 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 13 2349 UTC Valid To: 2026 Jul 14 0900 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2674 Issue Time: 2026 Jul 14 0008 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 13 2359 UTC Synoptic Period: 2100-2400 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK05 Serial Number: 2249 Issue Time: 2026 Jul 12 1411 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Jul 12 1410 UTC Valid To: 2026 Jul 13 2100 UTC Warning Conditions: Onset Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK05 Serial Number: 2039 Issue Time: 2026 Jul 12 1503 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 12 1459 UTC Synoptic Period: 1200-1500 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5383 Issue Time: 2026 Jul 12 0134 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 12 0135 UTC Valid To: 2026 Jul 12 2359 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2673 Issue Time: 2026 Jul 12 0346 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 12 0259 UTC Synoptic Period: 0000-0300 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5382 Issue Time: 2026 Jul 10 1151 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5381 Valid From: 2026 Jul 09 1119 UTC Now Valid Until: 2026 Jul 11 0300 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5381 Issue Time: 2026 Jul 09 1119 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 09 1119 UTC Valid To: 2026 Jul 10 1200 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2672 Issue Time: 2026 Jul 09 1120 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 09 1120 UTC Synoptic Period: 0900-1200 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5380 Issue Time: 2026 Jul 08 0529 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 08 0528 UTC Valid To: 2026 Jul 08 1200 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5379 Issue Time: 2026 Jul 05 1659 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 05 1658 UTC Valid To: 2026 Jul 06 0300 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK04 Serial Number: 2671 Issue Time: 2026 Jul 05 1802 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 05 1759 UTC Synoptic Period: 1500-1800 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK05 Serial Number: 2037 Issue Time: 2026 Jul 04 2022 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 2018 UTC Synoptic Period: 1800-2100 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5378 Issue Time: 2026 Jul 05 0256 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5377 Valid From: 2026 Jul 03 1209 UTC Now Valid Until: 2026 Jul 05 1500 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK05 Serial Number: 2035 Issue Time: 2026 Jul 04 1321 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 1319 UTC Synoptic Period: 1200-1500 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK05 Serial Number: 2038 Issue Time: 2026 Jul 04 2300 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 2301 UTC Synoptic Period: 2100-2400 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK06 Serial Number: 665 Issue Time: 2026 Jul 04 1357 UTC WARNING: Geomagnetic K-index of 6 expected Valid From: 2026 Jul 04 1356 UTC Valid To: 2026 Jul 05 2100 UTC Warning Conditions: Onset Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK06 Serial Number: 722 Issue Time: 2026 Jul 04 1358 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Jul 04 1358 UTC Synoptic Period: 1200-1500 Active Warning: YES Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: WARK05 Serial Number: 2248 Issue Time: 2026 Jul 04 1412 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2247 Valid From: 2026 Jul 04 0100 UTC Now Valid Until: 2026 Jul 04 2359 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5377 Issue Time: 2026 Jul 04 1421 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5376 Valid From: 2026 Jul 03 1209 UTC Now Valid Until: 2026 Jul 05 0300 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK05 Serial Number: 2036 Issue Time: 2026 Jul 04 1614 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 1610 UTC Synoptic Period: 1500-1800 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK06 Serial Number: 723 Issue Time: 2026 Jul 04 1700 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Jul 04 1655 UTC Synoptic Period: 1500-1800 Active Warning: YES Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK05 Serial Number: 2033 Issue Time: 2026 Jul 04 0715 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 0715 UTC Synoptic Period: 0600-0900 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK06 Serial Number: 721 Issue Time: 2026 Jul 04 0839 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Jul 04 0839 UTC Synoptic Period: 0600-0900 Active Warning: YES Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK05 Serial Number: 2034 Issue Time: 2026 Jul 04 1043 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 1043 UTC Synoptic Period: 0900-1200 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5375 Issue Time: 2026 Jul 04 0124 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5374 Valid From: 2026 Jul 03 1209 UTC Now Valid Until: 2026 Jul 04 1200 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK05 Serial Number: 2031 Issue Time: 2026 Jul 04 0205 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 0206 UTC Synoptic Period: 0000-0300 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK06 Serial Number: 663 Issue Time: 2026 Jul 04 0228 UTC WARNING: Geomagnetic K-index of 6 expected Valid From: 2026 Jul 04 0227 UTC Valid To: 2026 Jul 04 0600 UTC Warning Conditions: Onset Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK06 Serial Number: 719 Issue Time: 2026 Jul 04 0250 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Jul 04 0248 UTC Synoptic Period: 0000-0300 Active Warning: YES Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: ALTK05 Serial Number: 2032 Issue Time: 2026 Jul 04 0423 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 04 0423 UTC Synoptic Period: 0300-0600 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK06 Serial Number: 720 Issue Time: 2026 Jul 04 0450 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Jul 04 0450 UTC Synoptic Period: 0300-0600 Active Warning: YES Noaa Scale: G2 - Moderate Comment: NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Space Weather Message Code: WARK07 Serial Number: 151 Issue Time: 2026 Jul 04 0501 UTC WARNING: Geomagnetic K-index of 7 or greater expected Valid From: 2026 Jul 04 0500 UTC Valid To: 2026 Jul 05 1200 UTC Warning Conditions: Onset Noaa Scale: G3 - Greater Comment: NOAA Scale: G3 - Greater
Space Weather Message Code: ALTK07 Serial Number: 218 Issue Time: 2026 Jul 04 0509 UTC ALERT: Geomagnetic K-index of 7 Threshold Reached: 2026 Jul 04 0509 UTC Synoptic Period: 0300-0600 Active Warning: YES Noaa Scale: G3 - Strong Comment: NOAA Scale: G3 - Strong
Space Weather Message Code: ALTK04 Serial Number: 2670 Issue Time: 2026 Jul 03 2054 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jul 03 2049 UTC Synoptic Period: 1800-2100 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK05 Serial Number: 2246 Issue Time: 2026 Jul 04 0101 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Jul 04 0100 UTC Valid To: 2026 Jul 05 0600 UTC Warning Conditions: Onset Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5374 Issue Time: 2026 Jul 03 1209 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jul 03 1209 UTC Valid To: 2026 Jul 04 0300 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTK05 Serial Number: 2030 Issue Time: 2026 Jul 01 0259 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jul 01 0259 UTC Synoptic Period: 0000-0300 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5373 Issue Time: 2026 Jul 01 0553 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5372 Valid From: 2026 Jun 30 1209 UTC Now Valid Until: 2026 Jul 01 2100 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK05 Serial Number: 2245 Issue Time: 2026 Jul 01 0554 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2244 Valid From: 2026 Jun 30 1943 UTC Now Valid Until: 2026 Jul 01 1800 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: WARK04 Serial Number: 5372 Issue Time: 2026 Jun 30 1946 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5371 Valid From: 2026 Jun 30 1209 UTC Now Valid Until: 2026 Jul 01 0900 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK05 Serial Number: 2244 Issue Time: 2026 Jun 30 1943 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Jun 30 1943 UTC Valid To: 2026 Jul 01 0600 UTC Warning Conditions: Onset Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK05 Serial Number: 2029 Issue Time: 2026 Jun 30 2028 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Jun 30 2027 UTC Synoptic Period: 1800-2100 Active Warning: YES Noaa Scale: G1 - Minor Comment: NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTK04 Serial Number: 2669 Issue Time: 2026 Jun 30 1711 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jun 30 1711 UTC Synoptic Period: 1500-1800 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5371 Issue Time: 2026 Jun 30 1210 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jun 30 1209 UTC Valid To: 2026 Jun 30 2359 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5369 Issue Time: 2026 Jun 25 1939 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jun 25 1939 UTC Valid To: 2026 Jun 25 2359 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.