Live Kp index, solar flares, and viewing forecast — recorded continuously from NOAA SWPC
Space Weather Message Code: ALTK05 Serial Number: 2060 Issue Time: 2026 Nov 01 0117 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Nov 01 0117 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: WARK05 Serial Number: 2274 Issue Time: 2026 Nov 01 0008 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Nov 01 0007 UTC Valid To: 2026 Nov 01 0900 UTC Warning Conditions: Persistence Noaa Scale: G1 - Minor Comment: Re-issued due to technical issues with end date of previous warning. 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: 729 Issue Time: 2026 Oct 31 1914 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 Oct 31 1914 UTC Synoptic Period: 1800-2100 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: WARK06 Serial Number: 673 Issue Time: 2026 Oct 31 1908 UTC WARNING: Geomagnetic K-index of 6 expected Valid From: 2026 Oct 31 1908 UTC Valid To: 2026 Oct 31 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: 2059 Issue Time: 2026 Oct 31 1907 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Oct 31 1907 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.
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