K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-12-20 12:36:41.223 Space Weather Message Code: WATA20 Serial Number: 1083 Issue Time: 2025 Dec 20 1236 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Dec 21: None (Below G1) Dec 22: G1 (Minor) Dec 23: 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 1 - Date: 2025-12-20 08:09:59.873 Space Weather Message Code: ALTTP2 Serial Number: 1459 Issue Time: 2025 Dec 20 0809 UTC ALERT: Type II Radio Emission Begin Time: 2025 Dec 20 0759 UTC Estimated Velocity: 558 km/s Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 2 - Date: 2025-12-20 04:59:51.027 Space Weather Message Code: ALTEF3 Serial Number: 3579 Issue Time: 2025 Dec 20 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3578 Begin Time: 2025 Dec 17 1405 UTC Yesterday Maximum 2MeV Flux: 3239 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 3 - Date: 2025-12-19 07:56:40.073 Space Weather Message Code: ALTEF3 Serial Number: 3578 Issue Time: 2025 Dec 19 0756 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3577 Begin Time: 2025 Dec 17 1405 UTC Yesterday Maximum 2MeV Flux: 2694 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 4 - Date: 2025-12-18 23:14:32.013 Space Weather Message Code: WARK04 Serial Number: 5190 Issue Time: 2025 Dec 18 2314 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5189 Valid From: 2025 Dec 17 2044 UTC Now Valid Until: 2025 Dec 19 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 5 - Date: 2025-12-18 17:56:46.877 Space Weather Message Code: WARK04 Serial Number: 5189 Issue Time: 2025 Dec 18 1756 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5188 Valid From: 2025 Dec 17 2044 UTC Now Valid Until: 2025 Dec 18 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 6 - Date: 2025-12-18 11:06:35.763 Space Weather Message Code: ALTEF3 Serial Number: 3577 Issue Time: 2025 Dec 18 1106 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3576 Begin Time: 2025 Dec 17 1405 UTC Yesterday Maximum 2MeV Flux: 1632 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 7 - Date: 2025-12-18 05:57:15.510 Space Weather Message Code: WARK04 Serial Number: 5188 Issue Time: 2025 Dec 18 0557 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5187 Valid From: 2025 Dec 17 2044 UTC Now Valid Until: 2025 Dec 18 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 8 - Date: 2025-12-18 05:56:55.447 Space Weather Message Code: WARK05 Serial Number: 2157 Issue Time: 2025 Dec 18 0556 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2156 Valid From: 2025 Dec 17 2221 UTC Now Valid Until: 2025 Dec 18 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 9 - Date: 2025-12-18 03:18:53.783 Space Weather Message Code: WARK04 Serial Number: 5187 Issue Time: 2025 Dec 18 0318 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5186 Valid From: 2025 Dec 17 2044 UTC Now Valid Until: 2025 Dec 18 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 10 - Date: 2025-12-18 00:02:36.393 Space Weather Message Code: ALTK05 Serial Number: 1931 Issue Time: 2025 Dec 18 0002 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Dec 17 2330 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: 2025-12-17 22:21:44.110 Space Weather Message Code: WARK05 Serial Number: 2156 Issue Time: 2025 Dec 17 2221 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Dec 17 2221 UTC Valid To: 2025 Dec 18 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: 2025-12-17 20:50:39.700 Space Weather Message Code: ALTK04 Serial Number: 2616 Issue Time: 2025 Dec 17 2050 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Dec 17 2050 UTC Synoptic Period: 1800-2100 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: 2025-12-17 20:45:00.983 Space Weather Message Code: WARK04 Serial Number: 5186 Issue Time: 2025 Dec 17 2045 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Dec 17 2044 UTC Valid To: 2025 Dec 18 0600 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: 2025-12-17 15:06:03.263 Space Weather Message Code: ALTEF3 Serial Number: 3576 Issue Time: 2025 Dec 17 1506 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Dec 17 1405 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 15 - Date: 2025-12-17 00:04:00.393 Space Weather Message Code: WATA20 Serial Number: 1082 Issue Time: 2025 Dec 17 0004 UTC CANCEL WATCH: Geomagnetic Storm Category G1 Predicted Cancel Serial Number: 1081 Original Issue Time: 2025 Dec 15 2245 UTC Comment: Conditions no longer warrant watch. 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 16 - Date: 2025-12-16 01:11:20.320 Space Weather Message Code: WARK04 Serial Number: 5185 Issue Time: 2025 Dec 16 0111 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Dec 16 0110 UTC Valid To: 2025 Dec 16 0600 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: 2025-12-15 22:45:15.507 Space Weather Message Code: WATA20 Serial Number: 1081 Issue Time: 2025 Dec 15 2245 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Dec 16: None (Below G1) Dec 17: None (Below G1) Dec 18: 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 18 - Date: 2025-12-14 09:32:09.420 Space Weather Message Code: ALTTP2 Serial Number: 1458 Issue Time: 2025 Dec 14 0932 UTC ALERT: Type II Radio Emission Begin Time: 2025 Dec 14 0744 UTC Estimated Velocity: 585 km/s Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 19 - Date: 2025-12-13 14:56:12.210 Space Weather Message Code: WARK04 Serial Number: 5184 Issue Time: 2025 Dec 13 1456 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5183 Valid From: 2025 Dec 10 2040 UTC Now Valid Until: 2025 Dec 14 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 20 - Date: 2025-12-13 11:06:54.183 Space Weather Message Code: ALTTP2 Serial Number: 1457 Issue Time: 2025 Dec 13 1106 UTC ALERT: Type II Radio Emission Begin Time: 2025 Dec 13 1049 UTC Estimated Velocity: 778 km/s Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 21 - Date: 2025-12-13 03:02:17.843 Space Weather Message Code: ALTK05 Serial Number: 1930 Issue Time: 2025 Dec 13 0302 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Dec 13 0259 UTC Synoptic Period: 0000-0300 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: 2025-12-12 22:50:46.707 Space Weather Message Code: ALTK05 Serial Number: 1929 Issue Time: 2025 Dec 12 2250 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Dec 12 2248 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 23 - Date: 2025-12-12 22:37:40.237 Space Weather Message Code: WARK04 Serial Number: 5183 Issue Time: 2025 Dec 12 2237 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5182 Valid From: 2025 Dec 10 2040 UTC Now Valid Until: 2025 Dec 13 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 24 - Date: 2025-12-12 19:43:20.580 Space Weather Message Code: ALTK05 Serial Number: 1928 Issue Time: 2025 Dec 12 1943 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Dec 12 1942 UTC Synoptic Period: 1800-2100 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 25 - Date: 2025-12-12 19:42:19.980 Space Weather Message Code: WARK05 Serial Number: 2155 Issue Time: 2025 Dec 12 1942 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Dec 12 1940 UTC Valid To: 2025 Dec 13 0900 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. -------------------------------------------------------------------------------------------------------------------------------------------

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

NASA Released: 2025 Dec 15 0446 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Dec 20	115	10	3
2025 Dec 21	115	5	2
2025 Dec 22	125	20	5
2025 Dec 23	135	20	5
2025 Dec 24	145	25	5
2025 Dec 25	155	20	5
2025 Dec 26	165	20	5
2025 Dec 27	175	15	4
2025 Dec 28	180	10	3
2025 Dec 29	175	8	3
2025 Dec 30	180	30	6
2025 Dec 31	180	25	5
2026	Jan 01	175	10
2026	Jan 02	170	10
2026	Jan 03	170	8
2026	Jan 04	170	5
2026	Jan 05	170	5
2026	Jan 06	170	5
2026	Jan 07	150	5
2026	Jan 08	140	5
2026	Jan 09	135	15
2026	Jan 10	125	10

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC