Viewing archive of Monday, 19 April 2021

Geophysical report

Solar and Geophysical Activity Summary 2021 Apr 19 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 109 Issued at 0245Z on 19 Apr 2021 This report is compiled from data received at SWO on 18 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1850 1852 1954  2816 S25E41       Sf 170                           
B. Proton Events
None
C. Geomagnetic Activity Summary
Field activity was at quiet to active levels under negative polarity coronal high speed stream influence.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 078  SSN 015  Afr/Ap 013/016   X-ray Background A7.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.0e+05   GT 10 MeV 4.2e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.50e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 4 4 4 2 2 3 3 Planetary 3 4 4 3 2 2 3 3 
F. Comments
  None

All times in UTC

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