Viewing archive of Wednesday, 17 March 2021
Geophysical report
Solar and Geophysical Activity Summary 2021 Mar 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 076 Issued at 0245Z on 17 Mar 2021 This report is compiled from data received at SWO on 16 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
B. Proton Events
None
C. Geomagnetic Activity Summary
Levels were quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 079 SSN 023 Afr/Ap 002/002 X-ray Background A4.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.7e+04 GT 10 MeV 4.4e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.80e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 1 0 1 1 1 1 1 Planetary 0 1 0 0 1 0 0 0
F. Comments
None
All times in UTC
Latest news
Sunday, 23 June 2024
Old sunspot region 3664 returns with an M9.3 solar flare!
Monday, 10 June 2024
CME impact, X1.5 solar flare
Saturday, 8 June 2024
M9.3 solar flare, S3 proton storm, Earth-directed CME
Latest forum messages
Unproven theories 1076Geomagnetic Storm June 28 2024 80Why are the largest flares occurring at the limb? 2Noctilucent clouds 20Latest SC25 Predictions 145
More topicsSupport 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!
Space weather facts
| Last X-flare | 2024/06/10 | X1.55 |
| Last M-flare | 2024/06/25 | M1.0 |
| Last geomagnetic storm | 2024/06/28 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2024 | 171.7 +35.2 |
| June 2024 | 153.9 -17.8 |
| Last 30 days | 152.9 +8.3 |