Viewing archive of Wednesday, 18 May 2005

Geophysical report

:Product: 20050518SGAS.txt :Issued: 2005 May 18 0250 UT Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 138 Issued at 0245Z on 18 May 2005 This report is compiled from data received at SWO on 17 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0231 0239 0252  0763 S16W01 M1.8  1b 66     100    II/IV           
 0255 0000 0404                                        IV           
 0256 0000 0417                                        IV           
 0257 0316 0353                       1800                          
 0547 0553 0555  0763 S16W04 C2.8  Sf 130                           
 2354 0001 0005  0763 S16E06 B7.3  Sf                  IV           
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active. Solar wind speed at ACE ranged from 600 km/s to 450 km/s.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 090  SSN 045  Afr/Ap 012/019   X-ray Background B1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.2e+07   GT 10 MeV 4.2e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W114 degrees)
Daily Electron Fluence
GT 2 MeV 1.80e+09 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W76 degrees)
3 Hour K-indices
Boulder 4 4 4 3 4 3 2 3 Planetary 4 4 4 3 3 3 2 3 
F. Comments
  The greater than 2 MeV electron fluence at
geosynchronous orbit was high today.

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