K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-09-13 19:02:15.620 Space Weather Message Code: ALTEF3 Serial Number: 3523 Issue Time: 2025 Sep 13 1902 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Sep 13 1820 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 1 - Date: 2025-09-13 14:42:26.657 Space Weather Message Code: WATA20 Serial Number: 1062 Issue Time: 2025 Sep 13 1442 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Sep 14: G1 (Minor) Sep 15: None (Below G1) Sep 16: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 2 - Date: 2025-09-11 02:51:25.523 Space Weather Message Code: ALTK04 Serial Number: 2590 Issue Time: 2025 Sep 11 0251 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Sep 11 0244 UTC Synoptic Period: 0000-0300 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 3 - Date: 2025-09-11 01:08:35.540 Space Weather Message Code: WARK04 Serial Number: 5077 Issue Time: 2025 Sep 11 0108 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Sep 11 0108 UTC Valid To: 2025 Sep 11 0900 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 4 - Date: 2025-09-10 09:08:50.557 Space Weather Message Code: WARK05 Serial Number: 2098 Issue Time: 2025 Sep 10 0908 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Sep 10 0908 UTC Valid To: 2025 Sep 10 1500 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor Comment: Corrected dates. 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 5 - Date: 2025-09-10 09:06:34.280 Space Weather Message Code: WARK05 Serial Number: 2097 Issue Time: 2025 Sep 10 0906 UTC CANCEL WARNING: Geomagnetic K-index of 5 expected Cancel Serial Number: 2096 Original Issue Time: 2025 Sep 09 2240 UTC Comment: Wrong Valid to date. Correction being issued. 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 6 - Date: 2025-09-10 05:46:22.323 Space Weather Message Code: WARK04 Serial Number: 5076 Issue Time: 2025 Sep 10 0546 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5075 Valid From: 2025 Sep 09 2100 UTC Now Valid Until: 2025 Sep 10 1800 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 7 - Date: 2025-09-10 05:46:22.277 Space Weather Message Code: WARK05 Serial Number: 2096 Issue Time: 2025 Sep 10 0546 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2095 Valid From: 2025 Sep 09 2240 UTC Now Valid Until: 2025 May 10 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 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 8 - Date: 2025-09-09 23:28:12.410 Space Weather Message Code: ALTK06 Serial Number: 653 Issue Time: 2025 Sep 09 2328 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2025 Sep 09 2316 UTC Synoptic Period: 2100-2400 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 9 - Date: 2025-09-09 23:18:46.190 Space Weather Message Code: WARK06 Serial Number: 602 Issue Time: 2025 Sep 09 2318 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Sep 09 2318 UTC Valid To: 2025 Sep 10 0600 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 10 - Date: 2025-09-09 23:18:13.280 Space Weather Message Code: ALTK05 Serial Number: 1847 Issue Time: 2025 Sep 09 2318 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Sep 09 2309 UTC Synoptic Period: 2100-2400 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 11 - Date: 2025-09-09 22:40:30.607 Space Weather Message Code: WARK05 Serial Number: 2095 Issue Time: 2025 Sep 09 2240 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Sep 09 2240 UTC Valid To: 2025 Sep 10 0600 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 12 - Date: 2025-09-09 22:02:08.870 Space Weather Message Code: ALTK04 Serial Number: 2589 Issue Time: 2025 Sep 09 2202 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Sep 09 2154 UTC Synoptic Period: 2100-2400 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 13 - Date: 2025-09-09 22:01:25.943 Space Weather Message Code: WARK04 Serial Number: 5075 Issue Time: 2025 Sep 09 2201 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Sep 09 2100 UTC Valid To: 2025 Sep 10 1200 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 14 - Date: 2025-09-09 14:31:10.063 Space Weather Message Code: ALTEF3 Serial Number: 3522 Issue Time: 2025 Sep 09 1431 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Sep 09 1420 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 15 - Date: 2025-09-09 08:55:44.120 Space Weather Message Code: WARK04 Serial Number: 5074 Issue Time: 2025 Sep 09 0855 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5073 Valid From: 2025 Sep 09 0210 UTC Now Valid Until: 2025 Sep 09 1500 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 16 - Date: 2025-09-09 02:10:30.820 Space Weather Message Code: WARK04 Serial Number: 5073 Issue Time: 2025 Sep 09 0210 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Sep 09 0210 UTC Valid To: 2025 Sep 09 0900 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 17 - Date: 2025-09-08 05:08:43.720 Space Weather Message Code: ALTK04 Serial Number: 2588 Issue Time: 2025 Sep 08 0508 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Sep 08 0508 UTC Synoptic Period: 0300-0600 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 18 - Date: 2025-09-08 01:29:41.067 Space Weather Message Code: WARK04 Serial Number: 5072 Issue Time: 2025 Sep 08 0129 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Sep 08 0130 UTC Valid To: 2025 Sep 08 2359 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 19 - Date: 2025-09-07 18:01:52.070 Space Weather Message Code: WATA20 Serial Number: 1061 Issue Time: 2025 Sep 07 1801 UTC CANCEL WATCH: Geomagnetic Storm Category G1 Predicted Cancel Serial Number: 1060 Original Issue Time: 2025 Sep 05 2112 UTC Comment: Minor geomagnetic storm conditions are no longer expected to occur through the remainder of 07 Sep. 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 20 - Date: 2025-09-06 22:28:49.433 Space Weather Message Code: WARK04 Serial Number: 5071 Issue Time: 2025 Sep 06 2228 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5070 Valid From: 2025 Sep 06 0235 UTC Now Valid Until: 2025 Sep 07 2359 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 21 - Date: 2025-09-06 16:45:11.517 Space Weather Message Code: ALTK05 Serial Number: 1846 Issue Time: 2025 Sep 06 1645 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Sep 06 1642 UTC Synoptic Period: 1500-1800 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 22 - Date: 2025-09-06 15:29:11.400 Space Weather Message Code: WARK05 Serial Number: 2094 Issue Time: 2025 Sep 06 1529 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Sep 06 1530 UTC Valid To: 2025 Sep 06 2359 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 23 - Date: 2025-09-06 02:41:26.573 Space Weather Message Code: ALTK04 Serial Number: 2587 Issue Time: 2025 Sep 06 0241 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Sep 06 0240 UTC Synoptic Period: 0000-0300 UTC Active Warning: Yes 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 24 - Date: 2025-09-06 02:34:35.103 Space Weather Message Code: WARK04 Serial Number: 5070 Issue Time: 2025 Sep 06 0234 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Sep 06 0235 UTC Valid To: 2025 Sep 06 2359 UTC Warning Condition: Onset 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 25 - Date: 2025-09-05 21:12:52.997 Space Weather Message Code: WATA20 Serial Number: 1060 Issue Time: 2025 Sep 05 2112 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Sep 05: G1 (Minor) Sep 06: G1 (Minor) Sep 07: G1 (Minor) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT 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. -------------------------------------------------------------------------------------------------------------------------------------------

NASA | 27 Day Radio Flux A Index and K Index Forecast

NASA Released: 2025 Sep 08 0225 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Sep 13	120	5	2
2025 Sep 14	125	12	4
2025 Sep 15	130	20	5
2025 Sep 16	135	15	4
2025 Sep 17	135	8	3
2025 Sep 18	140	8	3
2025 Sep 19	145	8	3
2025 Sep 20	145	5	2
2025 Sep 21	150	5	2
2025 Sep 22	150	5	2
2025 Sep 23	150	5	2
2025 Sep 24	155	5	2
2025 Sep 25	155	5	2
2025 Sep 26	155	5	2
2025 Sep 27	160	5	2
2025 Sep 28	155	12	4
2025 Sep 29	150	15	4
2025 Sep 30	150	8	3
2025 Oct 01	145	5	2
2025 Oct 02	140	5	2
2025 Oct 03	140	15	4
2025 Oct 04	140	12	4

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC