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:Product: 20020220SGAS.txt
:Issued: 2002 Feb 20 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 051 Issued at 0245Z on 20 Feb 2002
This report is compiled from data received at SWO on 19 Feb
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
B. Proton Events: None
C. Geomagnetic Activity Summary: Activity was at quiet to unsettled
levels.
D. Stratwarm: Stratwarm Alert Exists Stratwarm Tuesday
The circulation remains very disturbed after the recent major warming
are now no longer fulfilled, but only narrowly so. There exists a
reversal in zonal mean wind from 5 HPA upwards and in zonal mean
temperature from 50 HPA upwards.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 189 SSN 130 Afr/Ap 008/004 X-ray Background B7.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.7e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 1 2 2 2 3 3 2 Planetary 2 1 1 1 1 2 2 1
F. Comments: Afr estimated, based upon Boulder USGS magnetometer
data.