:Product: 20011218SGAS.txt
:Issued: 2001 Dec 18 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 352 Issued at 0245Z on 18 Dec 2001
This report is compiled from data received at SWO on 17 Dec
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled with active conditions occurring at higher latitudes.
D.  Stratwarm:  STRATWARM ALERT EXISTS STRATWARM MONDAY
IN THE MIDDLE AND UPPER STRATOSPHERE, A STRONG TEMPERATURE
INCREASE DURING ONE WEEK IS OBSERVED OVER SIBERIA AND
NORTHEASTERN ASIA AND A REVERSED TEMPERATURE GRADIENT
BETWEEN 60N AND THE NORTH POLE IS EXPECTED WITHIN THE
NEXT 5 DAYS.  STRATOSPHERIC WARMING IN THE UPPER STRATOSPHERE.
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 206  SSN 215  Afr/Ap 011/015   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.6e+06   GT 10 MeV 2.5e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.90e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 1 2 3 3 3 3 3 2 Planetary 2 3 3 4 4 4 3 2
F.  Comments:  None