Viewing archive of Saturday, 20 April 2024
Geophysical report
Solar and Geophysical Activity Summary 2024 Apr 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 111 Issued at 0245Z on 20 Apr 2024 This report is compiled from data received at SWO on 19 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0042 0042 0043 2100 0105 0111 0120 3639 C3.0 220 0440 0453 0503 3635 N20W58 M2.1 Sf 1048 1048 1048 170 1253 1306 1323 3647 M1.0 210 1433 1433 1433 200 1458 1504 1511 3639 C4.4 430 1632 1632 1632 1100 1637 1637 1637 470 1640 1640 1640 410 1847 1847 1847 140 1849 1849 1850 470 1852 1852 1852 100 2130 2130 2130 800
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
severe storm levels due to CME activity.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 213 SSN 243 Afr/Ap 021/046 X-ray Background C2.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.8e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.00e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 2 5 4 5 5 5 3 Planetary 2 1 5 5 5 5 7 4
F. Comments
None.
All times in UTC
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| 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 | |
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