Viewing archive of Saturday, 16 September 2017

Geophysical report

Solar and Geophysical Activity Summary 2017 Sep 16 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 259 Issued at 0245Z on 16 Sep 2017 This report is compiled from data received at SWO on 15 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0453 0453 0454                       120                           
 0728 0728 0729                       130                           
B. Proton Events
C. Geomagnetic Activity Summary
Field activity was at unsettled to major storm levels due to positive polarity coronal hole high speed stream influence.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 073  SSN 013  Afr/Ap 030/041   X-ray Background A1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+07   GT 10 MeV 2.3e+05 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 5.40e+08 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 5 5 4 4 3 4 4 Planetary 6 4 4 3 4 4 6 4 
F. Comments
  The GOES-13 electron fluence at greater than 2 MeV
exceeded high levels.

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