Viewing archive of Thursday, 3 January 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Jan 03 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 003 Issued at 0245Z on 03 Jan 2002 This report is compiled from data received at SWO on 02 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1248 1252 1255  9754 S07W68 M2.4  1n        33
2144 2148 2151              M1.1     260    120
B. Proton Events
The greater than 10 MeV proton event that began at 30/0245 UTC reached a maximum flux of 108 pfu at 31/1620 UTC. This event has been on a very slow decrease since max and is at 28 pfu at the time of this writing.
C. Geomagnetic Activity Summary
The geomagnetic field has been at quiet to unsettled levels.
D. Stratwarm
STRATWARM ALERT EXISTS STRATWARM WEDNESDAY MAJOR WARMING CONTINUES. IN THE MIDDLE AND UPPER STRATOSPHERE, A WARM REGION IN THE POLAR REGION IS STILL LEADING TO A REVERSED TEMPERATURE GRADIENT DOWN TO 50HPA. THERE ARE EASTERLY ZONAL MEAN WINDS AT 60N FROM 10HPA TO 1HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 231  SSN 241  Afr/Ap 007/007   X-ray Background C2.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.5e+07   GT 10 MeV 3.7e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 1 2 2 3 2 2 Planetary 1 1 1 1 3 3 2 2
F. Comments
  Afr based on Boulder magnetometer.

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