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Having SatCom problems?
A burst of radiation on the sun's surface may trigger a geomagnetic storm, which can disrupt satellite communications.
In order to prevent unnecessary maintenance on satellite communications systems Air Sat One has provided a feed of Geophysical Events from NOAA's Space Weather Prediction Center. Check here to see if solar activity could be a cause of satellite communications problems.
Geophysical Alert Message Issued: Mar 22nd, 2026 7:37:25 pm
Space Weather Message Code: ALTK06
- Serial Number: 708
- Issue Time: 2026 Mar 22 2337 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Mar 22 2335 UTC
- Synoptic Period: 2100-2400 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 7:31:27 pm
Space Weather Message Code: ALTK05
- Serial Number: 1990
- Issue Time: 2026 Mar 22 2331 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Mar 22 1730 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 4:34:52 pm
Space Weather Message Code: WATA30
- Serial Number: 267
- Issue Time: 2026 Mar 22 2034 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Mar 23: G2 (Moderate) Mar 24: None (Below G1) Mar 25: None (Below G1)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment: G2 (Moderate) geomagnetic storming is likely on 23 Mar, particularly during the early portions of the UTC-day.
- 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 4:03:04 pm
Space Weather Message Code: ALTK06
- Serial Number: 707
- Issue Time: 2026 Mar 22 2003 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Mar 22 1953 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 3:37:27 pm
Space Weather Message Code: ALTK05
- Serial Number: 1989
- Issue Time: 2026 Mar 22 1937 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Mar 22 1929 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 2:05:14 pm
Space Weather Message Code: ALTK07
- Serial Number: 215
- Issue Time: 2026 Mar 22 1805 UTC
- ALERT: Geomagnetic K-index of 7
- Threshold Reached: 2026 Mar 22 1759 UTC
- Synoptic Period: 1500-1800 UTC
- Active Warning: Yes
- NOAA Scale: G3 - Strong
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
- Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
- Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
- Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
- Radio - HF (high frequency) radio may be intermittent.
- Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Geophysical Alert Message Issued: Mar 22nd, 2026 12:14:37 pm
Space Weather Message Code: WARK05
- Serial Number: 2212
- Issue Time: 2026 Mar 22 1614 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2211
- Valid From: 2026 Mar 20 1930 UTC
- Now Valid Until: 2026 Mar 22 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 12:15:53 pm
Space Weather Message Code: WARK05
- Serial Number: 2213
- Issue Time: 2026 Mar 22 1615 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2212
- Valid From: 2026 Mar 20 1930 UTC
- Now Valid Until: 2026 Mar 23 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 12:17:28 pm
Space Weather Message Code: WARK04
- Serial Number: 5294
- Issue Time: 2026 Mar 22 1617 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5293
- Valid From: 2026 Mar 20 0719 UTC
- Now Valid Until: 2026 Mar 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 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.
Geophysical Alert Message Issued: Mar 22nd, 2026 12:11:11 pm
Space Weather Message Code: WARK07
- Serial Number: 147
- Issue Time: 2026 Mar 22 1611 UTC
- WARNING: Geomagnetic K-index of 7 or greater expected
- Valid From: 2026 Mar 22 1609 UTC
- Valid To: 2026 Mar 22 2359 UTC
- Warning Condition: Onset
- NOAA Scale: G3 or greater
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
- Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
- Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
- Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
- Radio - HF (high frequency) radio may be intermittent.
- Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
