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Geophysical report

Solar and Geophysical Activity Summary 2015 Sep 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 264 Issued at 0245Z on 21 Sep 2015 This report is compiled from data received at SWO on 20 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0455 0503 0517  2420        M1.5                                   
 0700 0701 0701                       2700                          
 0743 0743 0744                       2700                          
 0816 0817 0817                       11000                         
 0944 0944 0944                       100                           
 1732 1803 1829  2415 S20W24 M2.1  2n 140    320    II              
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached major storm levels 20/0900 UTC due to the arrival of the 18 Sep CME. Minor strom levels were observed from 20/0900-1800 followed by unsettled levels for the remainder of the day in transition from CME effects to CH HSS effects.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 110  SSN 074  Afr/Ap 032/035   X-ray Background B3.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.1e+06   GT 10 MeV 3.8e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 8.10e+06 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 5 5 5 4 4 2 3 Planetary 2 4 6 5 5 5 3 3 
F. Comments
  None

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