Viewing archive of Saturday, 10 April 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Apr 10 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 100 Issued at 0245Z on 10 APR 1999 This report is compiled from data received at SWO on 09 APR
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1305 1306 1306                       220
1531 1532 1533                       280
B. Proton Events
None.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT DECREASED TO MODERATE LEVELS DURING THE PERIOD.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 136  SSN 139  AFR/AP 008/010   X-RAY BACKGROUND B3.3
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.8E+05   GT 10 MEV 1.6E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.50E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 3 2 1 2 3 1 1 PLANETARY 2 2 1 1 2 2 1 1
F. Comments
  None.


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