Viewing archive of Saturday, 18 January 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 Jan 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 018 Issued at 0245Z on 18 Jan 2003 This report is compiled from data received at SWO on 17 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled
D. Stratwarm
STRATWARM ALERT/FRIDAY/STRATWARM EXISTS STRONG WARMING CONTINUES OVER THE SIBERIAN ARCTIC AND NORTHERN EUROPE LEADING TO A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE FROM 30 HPA UPWARDS AND EASTERLY WINDS AT 60N FROM 5 TO 1 HPA. WITHIN THE NEXT TWO DAYS, THE FORECAST INDICATES A SPLITTING OF THE POLAR VORTEX THROUGHOUT THE STRATOSPHERE WITH EASTERLY WINDS AT 60N DOWN TO 10 HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 142  SSN 150  Afr/Ap 010/008   X-ray Background B3.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.0e+05   GT 10 MeV 1.4e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.30e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 1 2 3 3 3 2 2 Planetary 2 2 2 3 3 3 2 1
F. Comments
  None

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