:Product: 0421SGAS.txt
:Issued: 2021 Apr 21 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 111 Issued at 0245Z on 21 Apr 2021
This report is compiled from data received at SWO on 20 Apr
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0000 0000 0012  2816 S24E25       Sf                  IV           
 2013 2013 2013                       100                           
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled with waning coronal hole activity.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 080  SSN 054  Afr/Ap 010/012   X-ray Background B1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.1e+05   GT 10 MeV 4.2e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.70e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 3 4 3 3 1 2 3 2 Planetary 3 4 2 2 2 2 3 3 
F.  Comments:  None