:Product: 0522SGAS.txt
:Issued: 2021 May 22 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 142 Issued at 0245Z on 22 May 2021
This report is compiled from data received at SWO on 21 May
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0511 0516 0521  2824 N17E37 B3.0  Sf 960                           
 1852 1852 1852                       150                           
 1915 1928 1932  2824        C4.8     190                           
 2128 2131 2141              B1.3     1300                          
 2303 2307 2309                       1100                          
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 074  SSN 013  Afr/Ap 008/007   X-ray Background A7.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.8e+04   GT 10 MeV 4.4e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.70e+07 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 3 2 ? ? ? ? Planetary 2 3 2 2 1 1 2 2 
F.  Comments:  None.