:Product: 20020228SGAS.txt
:Issued: 2002 Feb 28 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 059 Issued at 0245Z on 28 Feb 2002
This report is compiled from data received at SWO on 27 Feb
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0446 0452 0505  9845 N13E26       Sf               II
1550 1558 1604  9839 S18W69 M1.6  Sf
1629 1629 1629                       220
2356 0012 0048       S27W90 M2.2
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled.
D.  Stratwarm:  STRATWARM ALERT/ WEDNSDAY/ STRATWARM EXISTS
THROUGHOUT THE STRATOSPHERE DISTURBED CIRCULATION PATTERN WITH THE
WARM AIR REGION OVER THE POLAR REGION AND EASTERN ASIA AND A
DISPLACED VORTEX OVER NORTHERN SIBERIA, LEADING TO A REVERSED
TEMPERATURE GRADIENT BETWEEN THE POLE AND 60 N FROM 50 TO 3 HPA AND
WEAK MEAN ZONAL EASTERLY WINDS AT 60 N FROM 5 TO 2 HPA
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 199  SSN 192  Afr/Ap 005/004   X-ray Background C1.5
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.8e+04   GT 10 MeV 1.2e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.60e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 3 1 1 1 2 2 2 2 Planetary 2 0 1 1 2 2 2 2
F.  Comments:  None