Viewing archive of Thursday, 20 April 2023
Geophysical report
Solar and Geophysical Activity Summary 2023 Apr 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 110 Issued at 0245Z on 20 Apr 2023 This report is compiled from data received at SWO on 19 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0324 0324 0324 100 0349 0349 0349 140 0354 0354 0354 370 0420 0430 0438 3272 C2.3 780 0744 0744 0744 340 1143 1143 1143 130 1226 1226 1226 180 1452 1453 1453 620 1553 1553 1553 190 1712 1712 1712 110 1821 1821 1821 100 2312 2312 2313 130
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached
active levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 147 SSN 113 Afr/Ap 009/012 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.2e+04 GT 10 MeV 2.2e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.40e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 1 2 4 4 3 2 2 Planetary 2 1 1 4 4 3 2 2
F. Comments
None
All times in UTC
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AR 13932 20Incoming & Unnumbered Active Regions 1361AR 3928 6Strong far side CME 338Unspecified geomagnetic activity 1751
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