:Product: 0419SGAS.txt
:Issued: 2021 Apr 19 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 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