:Product: 0618SGAS.txt
:Issued: 2026 Jun 18 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 169 Issued at 0245Z on 18 Jun 2026
This report is compiled from data received at SWO on 17 Jun
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1410 1411 1411                       400                           
 1414 1414 1415                       120                           
 1457 1506 1510  4464        C2.5     210                           
 1522 1522 1523                       290                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field ws quiet.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 111  SSN 050  Afr/Ap 007/006   X-ray Background B4.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.0e+05   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 3.70e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 2 2 ? ? ? ? ? ? Planetary 2 1 2 2 2 1 0 1 
F.  Comments:  Missing Boulder K-indices: 12-15 = 3; 15-18 = 2; 18-21
= 1; 21-24 = 2. The magnetometer had a data outage during the 06-09
and 09-12 synoptic periods.