K0DID Space Weather

NASA | Space Weather Alerts

MSG 0 - Date: 2026-05-05 02:49:25.467 Space Weather Message Code: ALTK05 Serial Number: 2016 Issue Time: 2026 May 05 0249 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 May 05 0244 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 1 - Date: 2026-05-04 23:55:23.583 Space Weather Message Code: ALTK05 Serial Number: 2015 Issue Time: 2026 May 04 2355 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 May 04 2355 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 2 - Date: 2026-05-04 23:39:44.003 Space Weather Message Code: WARK04 Serial Number: 5334 Issue Time: 2026 May 04 2339 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5333 Valid From: 2026 May 04 1645 UTC Now Valid Until: 2026 May 05 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 3 - Date: 2026-05-04 23:39:43.977 Space Weather Message Code: WARK05 Serial Number: 2232 Issue Time: 2026 May 04 2339 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2231 Valid From: 2026 May 04 1945 UTC Now Valid Until: 2026 May 05 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 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 4 - Date: 2026-05-04 23:39:43.937 Space Weather Message Code: WARK06 Serial Number: 657 Issue Time: 2026 May 04 2339 UTC EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 656 Valid From: 2026 May 04 2031 UTC Now Valid Until: 2026 May 05 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 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 5 - Date: 2026-05-04 20:32:50.633 Space Weather Message Code: ALTK06 Serial Number: 715 Issue Time: 2026 May 04 2032 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2026 May 04 2032 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 6 - Date: 2026-05-04 20:31:44.840 Space Weather Message Code: WARK06 Serial Number: 656 Issue Time: 2026 May 04 2031 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2026 May 04 2031 UTC Valid To: 2026 May 05 0000 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 7 - Date: 2026-05-04 19:51:43.590 Space Weather Message Code: ALTK05 Serial Number: 2014 Issue Time: 2026 May 04 1951 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 May 04 1951 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 8 - Date: 2026-05-04 19:50:55.110 Space Weather Message Code: WARK05 Serial Number: 2231 Issue Time: 2026 May 04 1950 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 May 04 1945 UTC Valid To: 2026 May 05 0000 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 9 - Date: 2026-05-04 16:49:58.653 Space Weather Message Code: ALTK04 Serial Number: 2654 Issue Time: 2026 May 04 1649 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 May 04 1647 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 10 - Date: 2026-05-04 16:49:32.777 Space Weather Message Code: WARK04 Serial Number: 5333 Issue Time: 2026 May 04 1649 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 May 04 1645 UTC Valid To: 2026 May 05 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 11 - Date: 2026-05-02 11:11:38.977 Space Weather Message Code: ALTTP2 Serial Number: 1482 Issue Time: 2026 May 02 1111 UTC ALERT: Type II Radio Emission Begin Time: 2026 May 02 1051 UTC Estimated Velocity: 641 km/s Comment: Likely associated with C-class flare acitivity originating from AR 4420 on the west limb. 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: 2026-05-01 15:50:32.247 Space Weather Message Code: ALTTP2 Serial Number: 1481 Issue Time: 2026 May 01 1550 UTC ALERT: Type II Radio Emission Begin Time: 2026 May 01 1535 UTC Estimated Velocity: 593 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 13 - Date: 2026-04-30 23:59:26.927 Space Weather Message Code: ALTK05 Serial Number: 2013 Issue Time: 2026 Apr 30 2359 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2026 Apr 30 2359 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 14 - Date: 2026-04-30 23:11:27.400 Space Weather Message Code: WARK04 Serial Number: 5332 Issue Time: 2026 Apr 30 2311 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5331 Valid From: 2026 Apr 30 2005 UTC Now Valid Until: 2026 May 01 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 15 - Date: 2026-04-30 23:09:26.960 Space Weather Message Code: WARK05 Serial Number: 2230 Issue Time: 2026 Apr 30 2309 UTC WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Apr 30 2309 UTC Valid To: 2026 May 01 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. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 16 - Date: 2026-04-30 20:35:36.850 Space Weather Message Code: ALTK04 Serial Number: 2653 Issue Time: 2026 Apr 30 2035 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Apr 30 2035 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 17 - Date: 2026-04-30 20:06:19.720 Space Weather Message Code: WARK04 Serial Number: 5331 Issue Time: 2026 Apr 30 2006 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Apr 30 2005 UTC Valid To: 2026 May 01 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 18 - Date: 2026-04-27 01:06:25.970 Space Weather Message Code: ALTTP2 Serial Number: 1480 Issue Time: 2026 Apr 27 0106 UTC ALERT: Type II Radio Emission Begin Time: 2026 Apr 26 2257 UTC Estimated Velocity: 834 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: 2026-04-26 23:33:07.687 Space Weather Message Code: WARK04 Serial Number: 5330 Issue Time: 2026 Apr 26 2333 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5329 Valid From: 2026 Apr 26 0359 UTC Now Valid Until: 2026 Apr 27 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 20 - Date: 2026-04-26 23:17:50.840 Space Weather Message Code: SUMXM5 Serial Number: 314 Issue Time: 2026 Apr 26 2317 UTC SUMMARY: X-ray Event exceeded M5 Begin Time: 2026 Apr 26 2251 UTC Maximum Time: 2026 Apr 26 2257 UTC End Time: 2026 Apr 26 2302 UTC X-ray Class: M6.0 Location: N21W33 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 primarily on sub-solar point on the sunlit side of Earth. Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes. ------------------------------------------------------------------------------------------------------------------------------------------- MSG 21 - Date: 2026-04-26 23:08:38.813 Space Weather Message Code: SUM10R Serial Number: 909 Issue Time: 2026 Apr 26 2308 UTC SUMMARY: 10cm Radio Burst Begin Time: 2026 Apr 26 2256 UTC Maximum Time: 2026 Apr 26 2257 UTC End Time: 2026 Apr 26 2258 UTC Duration: 1 minutes Peak Flux: 260 sfu Latest Penticton Noon Flux: 148 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 22 - Date: 2026-04-26 23:00:55.950 Space Weather Message Code: ALTXMF Serial Number: 526 Issue Time: 2026 Apr 26 2300 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Apr 26 2257 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 23 - Date: 2026-04-26 11:47:56.280 Space Weather Message Code: WARK04 Serial Number: 5329 Issue Time: 2026 Apr 26 1147 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5328 Valid From: 2026 Apr 26 0359 UTC Now Valid Until: 2026 Apr 26 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 24 - Date: 2026-04-26 06:01:29.970 Space Weather Message Code: WARK04 Serial Number: 5328 Issue Time: 2026 Apr 26 0601 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Apr 26 0359 UTC Valid To: 2026 Apr 26 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 25 - Date: 2026-04-26 05:59:50.883 Space Weather Message Code: ALTK04 Serial Number: 2652 Issue Time: 2026 Apr 26 0559 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Apr 26 0559 UTC Synoptic Period: 0300-0600 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. -------------------------------------------------------------------------------------------------------------------------------------------

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

NASA Released: 2026 May 04 0142 UTC
Date UTC	Radio Flux 107 cm	Planetary A Index	Largest Kp Index
• 2026 May 07	130	6	2
2026 May 08	135	12	4
2026 May 09	130	10	3
2026 May 10	130	6	2
2026 May 11	125	5	2
2026 May 12	125	5	2
2026 May 13	120	5	2
2026 May 14	115	5	2
2026 May 15	120	25	5
2026 May 16	120	20	5
2026 May 17	125	20	5
2026 May 18	130	15	4
2026 May 19	130	5	2
2026 May 20	130	5	2
2026 May 21	130	8	3
2026 May 22	120	10	3
2026 May 23	125	12	4
2026 May 24	125	5	2
2026 May 25	125	5	2
2026 May 26	130	5	2
2026 May 27	135	12	4
2026 May 28	135	10	3
2026 May 29	130	8	3
2026 May 30	125	8	3

SDO | Solar Dynamics Observator Images

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Ham QSL Data

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NASA | SWPC