:Product: Solar and Geophysical Activity Summary
:Issued: 2024 Apr 20 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 20 Apr 2024
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
 0042 0042 0043                       2100                          
 0105 0111 0120  3639        C3.0     220                           
 0440 0453 0503  3635 N20W58 M2.1  Sf                               
 1048 1048 1048                       170                           
 1253 1306 1323  3647        M1.0     210                           
 1433 1433 1433                       200                           
 1458 1504 1511  3639        C4.4     430                           
 1632 1632 1632                       1100                          
 1637 1637 1637                       470                           
 1640 1640 1640                       410                           
 1847 1847 1847                       140                           
 1849 1849 1850                       470                           
 1852 1852 1852                       100                           
 2130 2130 2130                       800                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field reached
severe storm levels due to CME activity.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 213  SSN 243  Afr/Ap 021/046   X-ray Background C2.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 8.8e+05   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.00e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 5 4 5 5 5 3 Planetary 2 1 5 5 5 5 7 4 
F.  Comments:  None.