:Product: 20001224SGAS.txt
:Issued: 2000 Dec 24 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 359 Issued at 0245Z on 24 Dec 2000
This report is compiled from data received at SWO on 23 Dec
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0226 0227 0242  9283 S12E78       Sf 110
1242 1247 1250                       180
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  The geomagnetic field ranged from
quiet to minor storm levels
D.  Stratwarm:  STRATWARM ALERT EXISTS SATURDAY
STRONG ANTICYCLONE, TILTING FROM ICELAND IN THE LOWER
STRATOSPHERE TOWARDS THE URAL MOUNTIAINS IN THE UPPER
STRATOSPHERE, CONTINUES TO DOMINATE THE CIRCULATION
OVER EUROPE AND ASIA BUT WILL DISAPPEAR WITHIN THE NEXT
5 DAYS.  PROGNOSIS SHOW THE RETURN TO NORMAL WINTER
CONDITIONS WITH THE CENTER OF THE COLD POLAR VORTEX MOVING
TOWARDS THE EUROPEAN SECTOR OF THE ACTIC.  END OF THIS
GEOALERT PERIOD.
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 191  SSN 130  Afr/Ap 017/020   X-ray Background C1.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.4e+05   GT 10 MeV 9.3e+03 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.50e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 4 5 3 3 2 3 1 1 Planetary 4 5 4 4 4 3 2 2
F.  Comments:  None.