K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-07-28 08:46:56.263 Space Weather Message Code: ALTEF3 Serial Number: 3507 Issue Time: 2025 Jul 28 0846 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3506 Begin Time: 2025 Jul 24 1320 UTC Yesterday Maximum 2MeV Flux: 1686 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 1 - Date: 2025-07-27 12:52:06.943 Space Weather Message Code: ALTEF3 Serial Number: 3506 Issue Time: 2025 Jul 27 1252 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3505 Begin Time: 2025 Jul 24 1320 UTC Yesterday Maximum 2MeV Flux: 2510 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 2 - Date: 2025-07-26 17:53:56.253 Space Weather Message Code: ALTK04 Serial Number: 2582 Issue Time: 2025 Jul 26 1753 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Jul 26 1750 UTC Synoptic Period: 1500-1800 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: 2025-07-26 17:30:56.627 Space Weather Message Code: WARK04 Serial Number: 5048 Issue Time: 2025 Jul 26 1730 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Jul 26 1730 UTC Valid To: 2025 Jul 27 0300 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: 2025-07-26 06:01:52.313 Space Weather Message Code: ALTEF3 Serial Number: 3505 Issue Time: 2025 Jul 26 0601 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3504 Begin Time: 2025 Jul 24 1320 UTC Yesterday Maximum 2MeV Flux: 3124 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 5 - Date: 2025-07-25 10:05:01.873 Space Weather Message Code: ALTEF3 Serial Number: 3504 Issue Time: 2025 Jul 25 1005 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3503 Begin Time: 2025 Jul 24 1320 UTC Yesterday Maximum 2MeV Flux: 2312 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 6 - Date: 2025-07-24 19:47:03.713 Space Weather Message Code: WATA20 Serial Number: 1054 Issue Time: 2025 Jul 24 1947 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jul 25: None (Below G1) Jul 26: None (Below G1) Jul 27: G1 (Minor) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT Comment: G1 (Minor) geomagnetic storming is likely on 27 July due to CME effects from an event that left the Sun on 23 July. 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 7 - Date: 2025-07-24 17:47:55.767 Space Weather Message Code: WARK04 Serial Number: 5047 Issue Time: 2025 Jul 24 1747 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5046 Valid From: 2025 Jul 24 1038 UTC Now Valid Until: 2025 Jul 25 0300 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 8 - Date: 2025-07-24 13:34:35.353 Space Weather Message Code: ALTEF3 Serial Number: 3503 Issue Time: 2025 Jul 24 1334 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Jul 24 1320 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 9 - Date: 2025-07-24 11:51:45.693 Space Weather Message Code: ALTK04 Serial Number: 2581 Issue Time: 2025 Jul 24 1151 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Jul 24 1144 UTC Synoptic Period: 0900-1200 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 10 - Date: 2025-07-24 10:38:29.880 Space Weather Message Code: WARK04 Serial Number: 5046 Issue Time: 2025 Jul 24 1038 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Jul 24 1038 UTC Valid To: 2025 Jul 24 1800 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 11 - Date: 2025-07-23 19:05:26.363 Space Weather Message Code: WATA20 Serial Number: 1053 Issue Time: 2025 Jul 23 1905 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jul 24: G1 (Minor) Jul 25: None (Below G1) Jul 26: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT Comment: Isolated periods of G1 (Minor) geomagnetic storming are likely primarily early on 24 July under sustained CH HSS effects. 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: 2025-07-23 18:05:44.267 Space Weather Message Code: WARK04 Serial Number: 5045 Issue Time: 2025 Jul 23 1805 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5044 Valid From: 2025 Jul 23 1137 UTC Now Valid Until: 2025 Jul 24 0900 UTC Warning Condition: Persistence Comment: Active conditions are expected to continue through the early periods of 24 Jul under negative polarity CH HSS effects. 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: 2025-07-23 15:04:20.383 Space Weather Message Code: ALTK05 Serial Number: 1832 Issue Time: 2025 Jul 23 1504 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Jul 23 1459 UTC Synoptic Period: 1200-1500 UTC Active Warning: Yes NOAA Scale: G1 - Minor Comment: Minor geomagnetic storming levels were reached due to continued negative polarity CH HSS effects. 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 14 - Date: 2025-07-23 11:38:09.770 Space Weather Message Code: WARK04 Serial Number: 5044 Issue Time: 2025 Jul 23 1138 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Jul 23 1137 UTC Valid To: 2025 Jul 23 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 15 - Date: 2025-07-23 11:36:57.300 Space Weather Message Code: WARK05 Serial Number: 2084 Issue Time: 2025 Jul 23 1136 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2083 Valid From: 2025 Jul 22 2051 UTC Now Valid Until: 2025 Jul 23 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 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: 2025-07-23 05:41:52.343 Space Weather Message Code: WARK05 Serial Number: 2083 Issue Time: 2025 Jul 23 0541 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2082 Valid From: 2025 Jul 22 2051 UTC Now Valid Until: 2025 Jul 23 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 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 17 - Date: 2025-07-22 22:52:27.603 Space Weather Message Code: WARK06 Serial Number: 598 Issue Time: 2025 Jul 22 2252 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Jul 22 2252 UTC Valid To: 2025 Jul 23 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 18 - Date: 2025-07-22 22:49:35.870 Space Weather Message Code: ALTK05 Serial Number: 1831 Issue Time: 2025 Jul 22 2249 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Jul 22 2249 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 19 - Date: 2025-07-22 21:05:18.377 Space Weather Message Code: ALTK05 Serial Number: 1830 Issue Time: 2025 Jul 22 2105 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Jul 22 2059 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 20 - Date: 2025-07-22 20:51:52.623 Space Weather Message Code: WARK05 Serial Number: 2082 Issue Time: 2025 Jul 22 2051 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 22 2051 UTC Valid To: 2025 Jul 23 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 21 - Date: 2025-07-22 20:50:47.407 Space Weather Message Code: ALTK04 Serial Number: 2580 Issue Time: 2025 Jul 22 2050 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Jul 22 2046 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 22 - Date: 2025-07-22 19:24:12.473 Space Weather Message Code: WARK04 Serial Number: 5043 Issue Time: 2025 Jul 22 1924 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Jul 22 1922 UTC Valid To: 2025 Jul 23 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 23 - Date: 2025-07-22 05:07:05.417 Space Weather Message Code: ALTEF3 Serial Number: 3502 Issue Time: 2025 Jul 22 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3501 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 13015 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 24 - Date: 2025-07-21 19:44:48.930 Space Weather Message Code: WATA20 Serial Number: 1052 Issue Time: 2025 Jul 21 1944 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jul 22: None (Below G1) Jul 23: G1 (Minor) Jul 24: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT Comment: G1 (Minor) geomagnetic storming is likely on 23 Jul due to recurrent, negative polarity coronal hole high speed stream effects. 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: 2025-07-21 05:00:06.233 Space Weather Message Code: ALTEF3 Serial Number: 3501 Issue Time: 2025 Jul 21 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3500 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 14495 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. -------------------------------------------------------------------------------------------------------------------------------------------

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

NASA Released: 2025 Jul 28 0129 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Jul 30	140	10	3
2025 Jul 31	140	10	3
2025 Aug 01	135	8	3
2025 Aug 02	140	5	2
2025 Aug 03	150	5	2
2025 Aug 04	155	12	4
2025 Aug 05	155	8	3
2025 Aug 06	155	5	2
2025 Aug 07	155	20	5
2025 Aug 08	160	15	4
2025 Aug 09	160	25	5
2025 Aug 10	160	18	4
2025 Aug 11	160	25	5
2025 Aug 12	155	18	4
2025 Aug 13	160	20	5
2025 Aug 14	160	12	4
2025 Aug 15	155	8	3
2025 Aug 16	155	5	2
2025 Aug 17	150	5	2
2025 Aug 18	150	15	4
2025 Aug 19	150	25	5
2025 Aug 20	150	15	4
2025 Aug 21	145	8	3
2025 Aug 22	140	12	4
2025 Aug 23	135	5	2

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC