Viewing archive of Sunday, 28 July 1996

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 1996 Jul 28 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 210 Issued at 2200Z on 28 JUL 1996

IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z

SOLAR ACTIVITY WAS VERY LOW. REGION 7981 (S10E60) ROTATED FULLY INTO VIEW, AND CONSISTS OF AN ELONGATED BUT SIMPLE SUNSPOT GROUP WITH TWO DISTINCT AREAS OF PLAGE. ONLY B-CLASS X RAY FLARES OCCURRED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW. THERE IS A DISTINCT CHANCE OF AN ISOLATED C-CLASS EVENT FROM REGION 7981.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
THE GEOMAGNETIC FIELD VARIED FROM QUIET TO ACTIVE. A SUDDEN IMPULSE OF 10 NT WAS OBSERVED AT BOULDER AT 28/1307Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE UNSETTLED. INTERVALS OF NIGHTTIME SUBSTORMS MAY OCCUR OVER THE NEXT 24 HOURS.
III. Event Probabilities 29 JUL to 31 JUL
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       28 JUL  076
  Predicted   29 JUL-31 JUL  078/080/082
  90 Day Mean        28 JUL  070
V. Geomagnetic A Indices
OBSERVED  AFR/AP 27 JUL  005/005
ESTIMATED AFR/AP 28 JUL  010/010
PREDICTED AFR/AP 29 JUL-31 JUL  010/010-010/010-010/010
VI. Geomagnetic Activity Probabilities 29 JUL to 31 JUL
A. Middle Latitudes
Active25%25%25%
Minor storm10%10%10%
Major-severe storm05%05%05%
B. High Latitudes
Active30%30%30%
Minor storm15%15%15%
Major-severe storm05%05%05%

All times in UTC

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