Viewing archive of Tuesday, 14 December 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Dec 14 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 348 Issued at 0245Z on 14 DEC 1999 This report is compiled from data received at SWO on 13 DEC
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0040 0043 0045                       220
1008 1008 1008                       150
1648 1649 1649                       230
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET TO MAJOR STORM. MAJOR STORM CONDITIONS WERE OBSERVED DURING THE PERIOD FROM 13/0900 - 1200Z. THE PRECISE SOURCE OF THIS DISTURBANCE IS UNKNOWN. THE GREATER THAN 2 MEV ELECTRONS AT GEOSYNCHRONOUS ORBIT DECREASED BELOW HIGH LEVELS AROUND 13/0500Z.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 166  SSN 147  AFR/AP 026/026   X-RAY BACKGROUND B5.5
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.7E+05   GT 10 MEV 1.1E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.10E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 3 4 4 6 4 4 2 1 PLANETARY 3 4 5 5 5 4 2 1
F. Comments
  None


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