K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-08-28 11:29:56.787 Space Weather Message Code: SUMPX1 Serial Number: 124 Issue Time: 2025 Aug 28 1129 UTC SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu Begin Time: 2025 Aug 25 1355 UTC Maximum Time: 2025 Aug 27 0740 UTC End Time: 2025 Aug 27 1510 UTC Maximum 10MeV Flux: 13 pfu NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation ------------------------------------------------------------------------------------------------------------------------------------------- MSG 1 - Date: 2025-08-27 08:48:08.277 Space Weather Message Code: WARPX1 Serial Number: 609 Issue Time: 2025 Aug 27 0848 UTC EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected Extension to Serial Number: 608 Valid From: 2025 Aug 24 2340 UTC Now Valid Until: 2025 Aug 27 2359 UTC Warning Condition: Persistence Predicted NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 2 - Date: 2025-08-26 16:46:54.223 Space Weather Message Code: WARPX1 Serial Number: 608 Issue Time: 2025 Aug 26 1646 UTC EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected Extension to Serial Number: 607 Valid From: 2025 Aug 24 2340 UTC Now Valid Until: 2025 Aug 27 0900 UTC Warning Condition: Persistence Predicted NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 3 - Date: 2025-08-26 11:26:39.700 Space Weather Message Code: WARPX1 Serial Number: 607 Issue Time: 2025 Aug 26 1126 UTC EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected Extension to Serial Number: 606 Valid From: 2025 Aug 24 2340 UTC Now Valid Until: 2025 Aug 26 2359 UTC Warning Condition: Persistence Predicted NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 4 - Date: 2025-08-25 19:24:25.400 Space Weather Message Code: WARPX1 Serial Number: 606 Issue Time: 2025 Aug 25 1924 UTC EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected Extension to Serial Number: 605 Valid From: 2025 Aug 24 2340 UTC Now Valid Until: 2025 Aug 26 1200 UTC Warning Condition: Persistence Predicted NOAA Scale: S1 - Minor Comment: The greater than 10MeV proton flux continues to be at or near the 10 pfu threshold. NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 5 - Date: 2025-08-25 14:15:12.710 Space Weather Message Code: ALTPX1 Serial Number: 359 Issue Time: 2025 Aug 25 1415 UTC ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu Begin Time: 2025 Aug 25 1355 UTC NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 6 - Date: 2025-08-25 12:52:24.790 Space Weather Message Code: ALTEF3 Serial Number: 3521 Issue Time: 2025 Aug 25 1252 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3520 Begin Time: 2025 Aug 24 1620 UTC Yesterday Maximum 2MeV Flux: 1496 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 7 - Date: 2025-08-25 11:39:22.287 Space Weather Message Code: WARPX1 Serial Number: 605 Issue Time: 2025 Aug 25 1139 UTC EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected Extension to Serial Number: 604 Valid From: 2025 Aug 24 2340 UTC Now Valid Until: 2025 Aug 25 2359 UTC Warning Condition: Persistence Predicted NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 8 - Date: 2025-08-24 23:39:42.157 Space Weather Message Code: WARPX1 Serial Number: 604 Issue Time: 2025 Aug 24 2339 UTC WARNING: Proton 10MeV Integral Flux above 10pfu expected Valid From: 2025 Aug 24 2340 UTC Valid To: 2025 Aug 25 1200 UTC Warning Condition: Onset Predicted NOAA Scale: S1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 9 - Date: 2025-08-24 16:39:08.860 Space Weather Message Code: ALTEF3 Serial Number: 3520 Issue Time: 2025 Aug 24 1639 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Aug 24 1620 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 10 - Date: 2025-08-21 17:44:08.050 Space Weather Message Code: ALTEF3 Serial Number: 3519 Issue Time: 2025 Aug 21 1744 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Aug 21 1735 UTC Station: GOES19 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 11 - Date: 2025-08-21 11:23:44.857 Space Weather Message Code: ALTTP2 Serial Number: 1425 Issue Time: 2025 Aug 21 1123 UTC ALERT: Type II Radio Emission Begin Time: 2025 Aug 21 0822 UTC Estimated Velocity: 1323 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 12 - Date: 2025-08-20 02:55:25.457 Space Weather Message Code: WARK04 Serial Number: 5066 Issue Time: 2025 Aug 20 0255 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5065 Valid From: 2025 Aug 19 1255 UTC Now Valid Until: 2025 Aug 20 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 13 - Date: 2025-08-20 02:55:25.440 Space Weather Message Code: WARK05 Serial Number: 2089 Issue Time: 2025 Aug 20 0255 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2088 Valid From: 2025 Aug 19 1828 UTC Now Valid Until: 2025 Aug 20 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 14 - Date: 2025-08-19 19:19:05.963 Space Weather Message Code: ALTK05 Serial Number: 1841 Issue Time: 2025 Aug 19 1919 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Aug 19 1916 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 15 - Date: 2025-08-19 18:29:36.393 Space Weather Message Code: WARK05 Serial Number: 2088 Issue Time: 2025 Aug 19 1829 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Aug 19 1828 UTC Valid To: 2025 Aug 20 0300 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 16 - Date: 2025-08-19 14:27:03.280 Space Weather Message Code: ALTK04 Serial Number: 2585 Issue Time: 2025 Aug 19 1427 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2025 Aug 19 1416 UTC Synoptic Period: 1200-1500 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 17 - Date: 2025-08-19 12:56:46.337 Space Weather Message Code: WARK04 Serial Number: 5065 Issue Time: 2025 Aug 19 1256 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Aug 19 1255 UTC Valid To: 2025 Aug 20 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 18 - Date: 2025-08-19 00:41:03.273 Space Weather Message Code: WARK04 Serial Number: 5064 Issue Time: 2025 Aug 19 0041 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2025 Aug 19 0040 UTC Valid To: 2025 Aug 19 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 19 - Date: 2025-08-18 18:39:01.597 Space Weather Message Code: WATA20 Serial Number: 1056 Issue Time: 2025 Aug 18 1839 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Aug 19: G1 (Minor) Aug 20: G1 (Minor) Aug 21: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT Comment: Isolated periods of G1 (Minor) geomagnetic storming are likely 19 August due to recurrent, negative polarity CH HSS effects. Isolated periods of G1 (Minor) geomagnetic storming are likely again on 20 August with continued CH HSS effects coupled with the possibility of glancing influences from a CME that left the Sun on 17 August. 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: 2025-08-18 06:22:08.563 Space Weather Message Code: ALTEF3 Serial Number: 3518 Issue Time: 2025 Aug 18 0622 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3517 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 8023 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 21 - Date: 2025-08-17 08:27:04.330 Space Weather Message Code: ALTEF3 Serial Number: 3517 Issue Time: 2025 Aug 17 0827 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3516 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 9366 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 22 - Date: 2025-08-16 16:01:53.777 Space Weather Message Code: WATA20 Serial Number: 1055 Issue Time: 2025 Aug 16 1601 UTC WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Aug 17: None (Below G1) Aug 18: None (Below G1) Aug 19: 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 23 - Date: 2025-08-16 12:06:19.113 Space Weather Message Code: ALTTP2 Serial Number: 1424 Issue Time: 2025 Aug 16 1206 UTC ALERT: Type II Radio Emission Begin Time: 2025 Aug 16 1048 UTC Estimated Velocity: 620 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 24 - Date: 2025-08-16 08:33:51.437 Space Weather Message Code: ALTEF3 Serial Number: 3516 Issue Time: 2025 Aug 16 0833 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3515 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 4263 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 25 - Date: 2025-08-15 08:57:00.113 Space Weather Message Code: ALTEF3 Serial Number: 3515 Issue Time: 2025 Aug 15 0857 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3514 Begin Time: 2025 Aug 10 1145 UTC Yesterday Maximum 2MeV Flux: 2590 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 Aug 26 1820 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Aug 30	158	5	2
2025 Aug 31	158	5	2
2025 Sep 01	155	5	2
2025 Sep 02	155	5	2
2025 Sep 03	145	5	2
2025 Sep 04	145	20	5
2025 Sep 05	140	35	6
2025 Sep 06	135	20	5
2025 Sep 07	130	15	4
2025 Sep 08	130	15	4
2025 Sep 09	125	15	4
2025 Sep 10	120	10	4
2025 Sep 11	120	5	2
2025 Sep 12	115	5	2
2025 Sep 13	115	5	2
2025 Sep 14	115	5	2
2025 Sep 15	115	20	5
2025 Sep 16	120	15	4
2025 Sep 17	120	8	3
2025 Sep 18	130	10	4
2025 Sep 19	140	8	3
2025 Sep 20	150	8	3

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC