Viewing archive of Wednesday, 2 January 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Jan 02 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 002 Issued at 0245Z on 02 Jan 2002 This report is compiled from data received at SWO on 01 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1018 1018 1018                       170
B. Proton Events
The greater than 10 MeV proton event that began at 30/0245 UTC remains in progress. Event maximum was 108 pfu at 31/1620 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels.
D. Stratwarm
STRATWARM ALERT EXISTS STRATWARM TUESDAY MAJOR WARMING CONTINUES. WARM AIR COVERS MOST OF THE POLAR REGION IN THE UPPER AND MIDDLE STRATOSPHERE. THE TEMPERATURE GRADIENT ARE REVERSED DOWN TO 50HPA, AND THERE ARE MEAN ZONAL EASTERLY WINDS AT 10HPA AND ABOVE AT 60N.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 232  SSN 222  Afr/Ap 009/007   X-ray Background C1.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.2e+07   GT 10 MeV 5.0e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 2 2 2 3 3 2 Planetary 2 2 2 2 2 2 3 2
F. Comments
  Afr estimated based on Boulder magnetometer

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