Viewing archive of Wednesday, 21 August 2024
Geophysical report
Solar and Geophysical Activity Summary 2024 Aug 21 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 234 Issued at 0245Z on 21 Aug 2024 This report is compiled from data received at SWO on 20 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0437 0448 0454 3796 M1.2 0630 0630 0631 3790 S11E16 Sf 110 0910 0910 0910 180 1706 1708 1712 3785 S13W81 M1.3 Sf 2025 2025 2025 120 2049 2050 2050 550
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 244 SSN 200 Afr/Ap 009/011 X-ray Background C3.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.5e+04 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 2 2 2 4 2 2 Planetary 3 2 2 2 2 3 3 2
F. Comments
None
All times in UTC
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Latest forum messages
Filaments and prominences 534AR 13901 116Incoming & Unnumbered Active Regions 1249Strong far side CME 226AR 13903 1
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
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| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 156.1 +4.7 |