Viewing archive of Sunday, 1 February 1998

Solar activity report

Report of Solar-Geophysical Activity 1998 Feb 01 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 032 Issued at 2200Z on 01 FEB 1998

IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z

SOLAR ACTIVITY WAS VERY LOW. ONLY A SINGLE, MINOR, UNCORELATED B1 X-RAY BURST WAS DETECTED. THE VISIBLE DISK REMAINED QUIET AND STABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN VERY LOW FOR THE ENTIRE FORECAST PERIOD. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 31/2100Z TO 01/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED AT ALL LATITUDES.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO REMAIN QUIET.
III. Event Probabilities 02 FEB to 04 FEB
Class M 01%01%01%
Class X 01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       01 FEB 091
  Predicted    02 FEB-04 FEB  092/090/088
  90 Day Mean        01 FEB 097
V. Geomagnetic A Indices
OBSERVED AFR/AP 31 JAN  010/009
ESTIMATED AFR/AP 01 FEB  010/010
PREDICTED AFR/AP 02 FEB-04 FEB  005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 02 FEB to 04 FEB
A. Middle Latitudes
Active15%15%10%
Minor storm 05%05%05%
Major-severe storm 01%02%01%
B. High Latitudes
Active15%15%15%
Minor storm 05%05%05%
Major-severe storm 01%01%01%

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