Viewing archive of Friday, 30 October 1998

Solar activity report

Report of Solar-Geophysical Activity 1998 Oct 30 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 303 Issued at 2200Z on 30 OCT 1998

IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z

SOLAR ACTIVITY WAS VERY LOW. ALL SIX SPOTTED REGIONS WERE STABLE AND UNPRODUCTIVE. REGION 8375 (N17E58) IS THE LARGEST IN WHITE LIGHT AND H-ALPHA.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW TO LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 29/2100Z TO 30/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS HIGH.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO PERSIST AT QUIET TO UNSETTLED LEVELS THROUGHOUT THE PERIOD.
III. Event Probabilities 31 OCT to 02 NOV
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       30 OCT 112
  Predicted   31 OCT-02 NOV  115/115/120
  90 Day Mean        30 OCT 131
V. Geomagnetic A Indices
OBSERVED AFR/AP 29 OCT  008/008
ESTIMATED AFR/AP 30 OCT  007/010
PREDICTED AFR/AP 31 OCT-02 NOV  005/008-005/008-005/008
VI. Geomagnetic Activity Probabilities 31 OCT to 02 NOV
A. Middle Latitudes
Active10%10%10%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active20%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%

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