Viewing archive of Saturday, 10 December 2022
Geophysical report
Solar and Geophysical Activity Summary 2022 Dec 10 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 344 Issued at 0245Z on 10 Dec 2022 This report is compiled from data received at SWO on 09 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0504 0504 0504 120 0516 0516 0516 100 1237 1240 1244 3157 C4.1 920 1817 1817 1817 100 2321 2321 2321 120
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 149 SSN 116 Afr/Ap 009/009 X-ray Background B7.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.3e+04 GT 10 MeV 3.2e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.60e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 1 2 3 1 2 2 1 Planetary 4 1 1 3 1 1 1 1
F. Comments
None
All times in UTC
Latest news
X4.0 solar flare
X5.1 solar flare, G4 geomagnetic storm watch
X1.2 solar flare with earth-directed CME
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Latest alerts
Friday, 14 November 2025
21:51 UTC - Solar flare
Moderate M1.33 flare from sunspot region 4274
21:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.33)
20:30 UTC - Solar flare
Moderate M1.37 flare from sunspot region 4274
20:15 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.37)
X4.0 solar flare
A X4.0 (R3-strong) solar flare peaked at 08:30 UTC this morning. It was of course departing sunspot region 4274 which has been the source of so many solar flares and even geomagnetic storms this past week that provided the fireworks.
Space weather facts
| Last X-flare | 2025/11/14 | X4.0 |
| Last M-flare | 2025/11/14 | M1.3 |
| Last geomagnetic storm | 2025/11/13 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 100.3 -14.3 |
| Last 30 days | 97.9 -36.5 |