Viewing archive of Friday, 21 March 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Mar 21 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 080 Issued at 0245Z on 21 Mar 2025 This report is compiled from data received at SWO on 20 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0319 0319 0319 290 1805 1806 1806 360 1826 1826 1826 190
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 170 SSN 139 Afr/Ap 005/008 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+06 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.30e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 2 1 3 3 1 2 Planetary 2 2 2 1 3 2 2 2
F. Comments
None.
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MB, Yellowknife, NTFairbanks, AK
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Iqaluit, NU, Saskatoon, SK, Whitehorse, YTNuuk
Anchorage, AK, Juneau, AK
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Calgary, AB, Winnipeg, MBLatest news
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
Coronal hole faces Earth
Latest forum messages
Support SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
06:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC
06:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC
00:57 UTC - Solar flare
Moderate M2.05 flare
00:33 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.71)
Wednesday, 26 March 2025
23:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:37 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/27 | M2.0 |
| Last geomagnetic storm | 2025/03/26 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 132.3 -22.3 |
| Last 30 days | 131.2 -21.8 |