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Geophysical report

Solar and Geophysical Activity Summary 2021 Apr 20 0245 UTC
Prepared 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 2021 This report is compiled from data received at SWO on 19 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 2319 2342 2359  2816 S24E25 M1.1  Sn               II/IV           
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was unsettled to active due coronal hole activity.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 086  SSN 036  Afr/Ap 015/020   X-ray Background B1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.7e+05   GT 10 MeV 4.1e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.10e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 4 4 4 3 3 3 3 Planetary 4 4 3 3 3 3 3 4 
F. Comments
  None

All times in UTC

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