Viewing archive of Thursday, 13 February 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 Feb 13 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 044 Issued at 0245Z on 13 Feb 2003 This report is compiled from data received at SWO on 12 Feb
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0142 0151 0202  0280 S05W43 C8.7  1f 7900   56     II
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels. A single isolated active period was observed at higher latitudes between 12/1500 to 1800Z. The greater than 2 MeV electron fluxes at geosynchronous orbit reached high levels again today.
D. Stratwarm
STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. IN THE MIDDLE AND UPPER STRATOSPHERE SLIGHTLY DISTURBED TEMPERATURE DISTRIBUTION WITH A WARM REGION OVER SIBERIA, LEADING TO A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE FROM 5 TO 1 HPA
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 132  SSN 119  Afr/Ap 009/012   X-ray Background B2.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.3e+05   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.00e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 2 2 3 2 3 2 3 Planetary 2 2 2 3 3 4 3 3
F. Comments
  None

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