K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-04-30 03:00:30.910 Space Weather Message Code: ALTK04 Serial Number: 2553 Issue Time: 2025 Apr 30 0300 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Apr 30 0259 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 1 - Date: 2025-04-30 02:25:26.820 Space Weather Message Code: WARK04 Serial Number: 4940 Issue Time: 2025 Apr 30 0225 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Apr 30 0225 UTC Valid To: 2025 Apr 30 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 2 - Date: 2025-04-27 16:32:51.453 Space Weather Message Code: ALTEF3 Serial Number: 3455 Issue Time: 2025 Apr 27 1632 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Apr 27 1605 UTC Station: GOES-19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 3 - Date: 2025-04-24 17:16:22.717 Space Weather Message Code: WARK04 Serial Number: 4939 Issue Time: 2025 Apr 24 1716 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4938 Valid From: 2025 Apr 24 0655 UTC Now Valid Until: 2025 Apr 25 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 4 - Date: 2025-04-24 11:36:29.907 Space Weather Message Code: WARK04 Serial Number: 4938 Issue Time: 2025 Apr 24 1136 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4937 Valid From: 2025 Apr 24 0655 UTC Now Valid Until: 2025 Apr 24 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 5 - Date: 2025-04-24 07:09:39.140 Space Weather Message Code: ALTK04 Serial Number: 2552 Issue Time: 2025 Apr 24 0709 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Apr 24 0703 UTC Synoptic Period: 0600-0900 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 6 - Date: 2025-04-24 06:56:20.670 Space Weather Message Code: WARK04 Serial Number: 4937 Issue Time: 2025 Apr 24 0656 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Apr 24 0655 UTC Valid To: 2025 Apr 24 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 7 - Date: 2025-04-21 23:56:16.753 Space Weather Message Code: WARK04 Serial Number: 4936 Issue Time: 2025 Apr 21 2356 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4935 Valid From: 2025 Apr 21 0218 UTC Now Valid Until: 2025 Apr 22 1159 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: 2025-04-21 20:34:13.360 Space Weather Message Code: ALTK05 Serial Number: 1756 Issue Time: 2025 Apr 21 2034 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Apr 21 2033 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 9 - Date: 2025-04-21 13:54:04.113 Space Weather Message Code: WARK06 Serial Number: 577 Issue Time: 2025 Apr 21 1354 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Apr 21 1353 UTC Valid To: 2025 Apr 21 1800 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: 2025-04-21 13:54:04.067 Space Weather Message Code: ALTK05 Serial Number: 1755 Issue Time: 2025 Apr 21 1354 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Apr 21 1352 UTC Synoptic Period: 1200-1500 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: 2025-04-21 11:46:30.447 Space Weather Message Code: ALTK05 Serial Number: 1754 Issue Time: 2025 Apr 21 1146 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Apr 21 1142 UTC Synoptic Period: 0900-1200 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 12 - Date: 2025-04-21 10:10:45.140 Space Weather Message Code: WARK05 Serial Number: 2026 Issue Time: 2025 Apr 21 1010 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Apr 21 1010 UTC Valid To: 2025 Apr 21 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 13 - Date: 2025-04-21 09:34:42.860 Space Weather Message Code: WARK04 Serial Number: 4935 Issue Time: 2025 Apr 21 0934 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4934 Valid From: 2025 Apr 21 0218 UTC Now Valid Until: 2025 Apr 21 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 14 - Date: 2025-04-21 02:25:17.773 Space Weather Message Code: ALTK04 Serial Number: 2551 Issue Time: 2025 Apr 21 0225 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Apr 21 0224 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 15 - Date: 2025-04-21 02:18:58.297 Space Weather Message Code: WARK04 Serial Number: 4934 Issue Time: 2025 Apr 21 0218 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Apr 21 0218 UTC Valid To: 2025 Apr 21 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 16 - Date: 2025-04-21 01:48:24.413 Space Weather Message Code: WATA30 Serial Number: 251 Issue Time: 2025 Apr 21 0148 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Apr 21: None (Below G1) Apr 22: G2 (Moderate) Apr 23: G2 (Moderate) 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 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 17 - Date: 2025-04-20 00:56:58.067 Space Weather Message Code: ALTK05 Serial Number: 1753 Issue Time: 2025 Apr 20 0056 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Apr 20 0055 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 18 - Date: 2025-04-20 00:41:44.017 Space Weather Message Code: ALTK04 Serial Number: 2550 Issue Time: 2025 Apr 20 0041 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Apr 20 0038 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 19 - Date: 2025-04-20 00:38:52.873 Space Weather Message Code: WARK05 Serial Number: 2025 Issue Time: 2025 Apr 20 0038 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Apr 20 0038 UTC Valid To: 2025 Apr 20 1200 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 20 - Date: 2025-04-20 00:06:15.647 Space Weather Message Code: WARK04 Serial Number: 4933 Issue Time: 2025 Apr 20 0006 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Apr 20 0005 UTC Valid To: 2025 Apr 20 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 21 - Date: 2025-04-19 20:47:29.817 Space Weather Message Code: WATA30 Serial Number: 250 Issue Time: 2025 Apr 19 2047 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Apr 20: None (Below G1) Apr 21: None (Below G1) Apr 22: G2 (Moderate) 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 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 22 - Date: 2025-04-19 14:55:41.727 Space Weather Message Code: WARK04 Serial Number: 4932 Issue Time: 2025 Apr 19 1455 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4931 Valid From: 2025 Apr 19 0218 UTC Now Valid Until: 2025 Apr 19 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 23 - Date: 2025-04-19 02:27:37.750 Space Weather Message Code: ALTK04 Serial Number: 2549 Issue Time: 2025 Apr 19 0227 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Apr 19 0227 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: 2025-04-19 02:19:52.853 Space Weather Message Code: WARK04 Serial Number: 4931 Issue Time: 2025 Apr 19 0219 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Apr 19 0218 UTC Valid To: 2025 Apr 19 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 25 - Date: 2025-04-19 00:07:49.177 Space Weather Message Code: ALTTP2 Serial Number: 1411 Issue Time: 2025 Apr 19 0007 UTC ALERT: Type II Radio Emission Begin Time: 2025 Apr 18 2345 UTC Estimated Velocity: 349 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. -------------------------------------------------------------------------------------------------------------------------------------------

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

NASA Released: 2025 Apr 28 0054 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Apr 29	145	8	3
2025 Apr 30	140	5	2
2025 May 01	140	5	2
2025 May 02	140	12	4
2025 May 03	140	10	3
2025 May 04	140	8	3
2025 May 05	150	18	5
2025 May 06	160	18	5
2025 May 07	160	15	4
2025 May 08	165	15	4
2025 May 09	165	15	4
2025 May 10	165	15	4
2025 May 11	160	10	3
2025 May 12	155	5	2
2025 May 13	155	5	2
2025 May 14	155	5	2
2025 May 15	155	5	2
2025 May 16	155	12	4
2025 May 17	155	12	4
2025 May 18	155	25	5
2025 May 19	155	10	3
2025 May 20	155	8	3
2025 May 21	160	8	3
2025 May 22	160	6	2
2025 May 23	160	6	2
2025 May 24	155	6	2

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC