Viewing archive of Thursday, 18 November 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Nov 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 322 Issued at 0245Z on 18 NOV 1999 This report is compiled from data received at SWO on 17 NOV
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0345 0345 0345                       300
0349 0349 0350                       730
0516 0517 0517                       220
0651 0651 0653                       330
0947 0957 1002  8766 N17E21 M7.4  2B 9600   390    II/IV
1205 1224 1243              C5.7     320
1246 1246 1247                       360
2012 2018 2027  8771 S15E70 C3.8  SF               II
B. Proton Events
NO EVENT WAS IN PROGRESS DURING THE PERIOD. HOWEVER, A VERY WEAK ENHANCEMENT OF THE GT 10 MEV FLUX WAS OBSERVED. THIS ENHANCEMENT WAS BARELY ABOVE BACKGROUND.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 221  SSN 248  AFR/AP 010/010   X-RAY BACKGROUND C1.4
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 8.9E+05   GT 10 MEV 1.7E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.40E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 3 2 3 3 3 2 PLANETARY 2 2 2 2 3 3 3 2
F. Comments
  A 245 MHZ NOISE STORM WAS IN PROGRESS FOR PART OF THE
PERIOD.


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