K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2025-03-31 11:21:34.653 Space Weather Message Code: ALTPX1 Serial Number: 357 Issue Time: 2025 Mar 31 1121 UTC ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu Begin Time: 2025 Mar 31 1105 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 1 - Date: 2025-03-31 10:58:20.500 Space Weather Message Code: WARPX1 Serial Number: 597 Issue Time: 2025 Mar 31 1058 UTC WARNING: Proton 10MeV Integral Flux above 10pfu expected Valid From: 2025 Mar 31 1057 UTC Valid To: 2025 Mar 31 2359 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 2 - Date: 2025-03-31 05:02:41.323 Space Weather Message Code: ALTEF3 Serial Number: 3442 Issue Time: 2025 Mar 31 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3441 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2772 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 3 - Date: 2025-03-30 05:01:50.247 Space Weather Message Code: ALTEF3 Serial Number: 3441 Issue Time: 2025 Mar 30 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3440 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2968 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 4 - Date: 2025-03-29 05:07:44.957 Space Weather Message Code: ALTEF3 Serial Number: 3440 Issue Time: 2025 Mar 29 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3439 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2819 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 5 - Date: 2025-03-28 23:57:55.920 Space Weather Message Code: WARK04 Serial Number: 4894 Issue Time: 2025 Mar 28 2357 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4893 Valid From: 2025 Mar 25 2017 UTC Now Valid Until: 2025 Mar 29 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 6 - Date: 2025-03-28 16:09:59.087 Space Weather Message Code: SUMX01 Serial Number: 191 Issue Time: 2025 Mar 28 1609 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Mar 28 1503 UTC Maximum Time: 2025 Mar 28 1521 UTC End Time: 2025 Mar 28 1542 UTC X-ray Class: X1.1 Location: N06E75 NOAA Scale: R3 - Strong Comment: This summary is resent to correct the X-ray Class of this event to an X1.1 vs an X1.4. NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point. Radio - Wide area blackout of HF (high frequency) radio communication for about an hour. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 7 - Date: 2025-03-28 15:50:52.680 Space Weather Message Code: SUMX01 Serial Number: 190 Issue Time: 2025 Mar 28 1550 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Mar 28 1503 UTC Maximum Time: 2025 Mar 28 1521 UTC End Time: 2025 Mar 28 1542 UTC X-ray Class: X1.4 Location: N06E75 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point. Radio - Wide area blackout of HF (high frequency) radio communication for about an hour. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 8 - Date: 2025-03-28 15:42:37.090 Space Weather Message Code: SUM10R Serial Number: 862 Issue Time: 2025 Mar 28 1542 UTC SUMMARY: 10cm Radio Burst Begin Time: 2025 Feb 28 1506 UTC Maximum Time: 2025 Feb 28 1514 UTC End Time: 2025 Feb 28 1530 UTC Duration: 24 minutes Peak Flux: 380 sfu Latest Penticton Noon Flux: 153 sfu Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 9 - Date: 2025-03-28 15:37:05.257 Space Weather Message Code: ALTTP4 Serial Number: 679 Issue Time: 2025 Mar 28 1537 UTC ALERT: Type IV Radio Emission Begin Time: 2025 Mar 28 1514 UTC Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 10 - Date: 2025-03-28 15:18:29.650 Space Weather Message Code: ALTXMF Serial Number: 477 Issue Time: 2025 Mar 28 1518 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Mar 28 1507 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 11 - Date: 2025-03-28 14:28:36.393 Space Weather Message Code: ALTEF3 Serial Number: 3439 Issue Time: 2025 Mar 28 1428 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Mar 28 1410 UTC Station: GOES16 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 12 - Date: 2025-03-28 08:23:02.010 Space Weather Message Code: WARK04 Serial Number: 4893 Issue Time: 2025 Mar 28 0823 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4892 Valid From: 2025 Mar 25 2017 UTC Now Valid Until: 2025 Mar 28 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 13 - Date: 2025-03-27 16:53:51.427 Space Weather Message Code: WARK04 Serial Number: 4892 Issue Time: 2025 Mar 27 1653 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4891 Valid From: 2025 Mar 25 2017 UTC Now Valid Until: 2025 Mar 28 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 14 - Date: 2025-03-27 16:47:17.057 Space Weather Message Code: WARK05 Serial Number: 2004 Issue Time: 2025 Mar 27 1647 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2003 Valid From: 2025 Mar 26 0131 UTC Now Valid Until: 2025 Mar 28 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 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: 2025-03-27 16:08:45.770 Space Weather Message Code: ALTK05 Serial Number: 1733 Issue Time: 2025 Mar 27 1608 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 27 1605 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 16 - Date: 2025-03-27 15:03:07.907 Space Weather Message Code: ALTK05 Serial Number: 1732 Issue Time: 2025 Mar 27 1503 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 27 1459 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 17 - Date: 2025-03-27 09:02:33.143 Space Weather Message Code: ALTK05 Serial Number: 1731 Issue Time: 2025 Mar 27 0902 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 27 0859 UTC Synoptic Period: 0600-0900 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: 2025-03-27 05:57:35.180 Space Weather Message Code: ALTK05 Serial Number: 1730 Issue Time: 2025 Mar 27 0557 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 27 0551 UTC Synoptic Period: 0300-0600 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: 2025-03-27 04:52:46.190 Space Weather Message Code: WARK05 Serial Number: 2003 Issue Time: 2025 Mar 27 0452 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2002 Valid From: 2025 Mar 26 0131 UTC Now Valid Until: 2025 Mar 27 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 20 - Date: 2025-03-27 03:50:17.933 Space Weather Message Code: WARK04 Serial Number: 4891 Issue Time: 2025 Mar 27 0350 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 4890 Valid From: 2025 Mar 25 2017 UTC Now Valid Until: 2025 Mar 27 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: 2025-03-26 22:46:12.527 Space Weather Message Code: ALTK05 Serial Number: 1729 Issue Time: 2025 Mar 26 2246 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 26 2237 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 22 - Date: 2025-03-26 20:18:27.917 Space Weather Message Code: WARK06 Serial Number: 569 Issue Time: 2025 Mar 26 2018 UTC EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 568 Valid From: 2025 Mar 26 1338 UTC Now Valid Until: 2025 Mar 27 0300 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 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 23 - Date: 2025-03-26 20:16:49.040 Space Weather Message Code: ALTK06 Serial Number: 622 Issue Time: 2025 Mar 26 2016 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2025 Mar 26 2008 UTC Synoptic Period: 1800-2100 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 24 - Date: 2025-03-26 20:04:30.503 Space Weather Message Code: ALTK05 Serial Number: 1728 Issue Time: 2025 Mar 26 2004 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 26 2000 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: 2025-03-26 17:48:24.450 Space Weather Message Code: ALTK06 Serial Number: 621 Issue Time: 2025 Mar 26 1748 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2025 Mar 26 1700 UTC Synoptic Period: 1500-1800 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. -------------------------------------------------------------------------------------------------------------------------------------------

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

NASA Released: 2025 Mar 31 0225 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2025 Mar 31	170	5	2
2025 Apr	01	175	5
2025 Apr	02	175	5
2025 Apr	03	175	10
2025 Apr	04	180	20
2025 Apr	05	180	35
2025 Apr	06	180	10
2025 Apr	07	185	12
2025 Apr	08	185	30
2025 Apr	09	180	35
2025 Apr	10	175	25
2025 Apr	11	175	18
2025 Apr	12	175	10
2025 Apr	13	175	15
2025 Apr	14	170	12
2025 Apr	15	170	8
2025 Apr	16	175	5
2025 Apr	17	175	10
2025 Apr	18	175	12
2025 Apr	19	170	8
2025 Apr	20	170	10
2025 Apr	21	165	15
2025 Apr	22	165	15
2025 Apr	23	170	15
2025 Apr	24	170	15
2025 Apr	25	165	10
2025 Apr	26	165	8

SDO | Solar Dynamics Observator Images

---

Ham QSL Data

---

NASA | SWPC