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Geophysical report

Solar and Geophysical Activity Summary 2023 May 20 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 140 Issued at 0245Z on 20 May 2023 This report is compiled from data received at SWO on 19 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0041 0048 0054  3311 N18E74 M5.3  1n                               
 0305 0312 0323  3311 N19E72 M1.6  Sn                               
 0449 0500 0510  3311 N19E72 M2.5  1n                               
 1945 2006 2014  3311 N16E61 M2.3  Sf                               
 2014 2026 2038  3311        M2.7                                   
B. Proton Events
C. Geomagnetic Activity Summary
The geomagnetic field reached active levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 165  SSN 155  Afr/Ap 010/008   X-ray Background C1.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.1e+04   GT 10 MeV 2.5e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.00e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder ? ? ? ? ? ? ? ? Planetary 0 0 0 1 1 2 4 4 
F. Comments
  Boulder mag missing values.

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