Viewing archive of Monday, 13 April 1998

Solar activity report

Report of Solar-Geophysical Activity 1998 Apr 13 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 103 Issued at 2200Z on 13 APR 1998

IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z

SOLAR ACTIVITY WAS LOW, BY VIRTUE OF A SINGLE C1/SF FLARE FROM REGION 8202 (S26E06) AT 13/0350Z. THE REMAINDER OF THE VISIBLE DISK HAS BEEN QUIET AND UNREMARKABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW TO LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 12/2100Z TO 13/2100Z: THE GEOMAGNETIC FIELD HAS BEEN QUIET FOR THE PAST 24 HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE MOSTLY QUIET, WITH ISOLATED PERIODS OF UNSETTLED CONDITIONS, FOR THE NEXT THREE DAYS..
III. Event Probabilities 14 APR to 16 APR
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       13 APR 115
  Predicted   14 APR-16 APR  112/110/108
  90 Day Mean        13 APR 104
V. Geomagnetic A Indices
OBSERVED AFR/AP 12 APR  004/009
ESTIMATED AFR/AP 13 APR  004/010
PREDICTED AFR/AP 14 APR-16 APR  005/008-005/008-010/008
VI. Geomagnetic Activity Probabilities 14 APR to 16 APR
A. Middle Latitudes
Active15%15%15%
Minor storm10%10%10%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm10%10%10%
Major-severe storm01%01%01%

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