Viewing archive of Friday, 26 March 1999

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 1999 Mar 26 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 085 Issued at 2200Z on 26 MAR 1999

IA. Analysis of Solar Active Regions and Activity from 25-2100Z to 26-2100Z

SOLAR ACTIVITY REMAINED VERY LOW. THE THREE SPOTTED REGIONS WERE QUIET AND STABLE. NEW SPOTS MAY BE EMERGING JUST WEST OF REGION 8498 (N18E29). THE LIMBS WERE QUIET.
IB. Solar Activity Forecast
SOLAR ACTIVITY SHOULD CONTINUE VERY LOW.
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO PERSIST AT QUIET TO UNSETTLED CONDITIONS FOR THE NEXT THREE DAYS.
III. Event Probabilities 27 MAR to 29 MAR
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       26 MAR 104
  Predicted   27 MAR-29 MAR  105/105/110
  90 Day Mean        26 MAR 140
V. Geomagnetic A Indices
OBSERVED AFR/AP 25 MAR  005/008
ESTIMATED AFR/AP 26 MAR  008/008
PREDICTED AFR/AP 27 MAR-29 MAR  010/012-010/012-010/015
VI. Geomagnetic Activity Probabilities 27 MAR to 29 MAR
A. Middle Latitudes
Active20%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active25%25%25%
Minor storm05%05%05%
Major-severe storm01%01%01%

All times in UTC

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