Viewing archive of Sunday, 22 September 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 Sep 22 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 266 Issued at 2200Z on 22 SEP 1996IA. Analysis of Solar Active Regions and Activity from 21-2100Z to 22-2100Z SOLAR ACTIVITY WAS VERY LOW. THE DISK REMAINED
SPOTLESS.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS FORECAST TO BE
VERY LOW FOR THE NEXT THREE DAYS.
IIA. Geophysical Activity Summary 21-2100Z to 22-2100Z
THE GEOMAGNETIC FIELD RANGED BETWEEN QUIET AND MINOR STORM
LEVELS. THE MOST DISTURBED PERIOD WAS BETWEEN 22/0600-0900Z.
SOLAR WIND DATA INDICATE A CORONAL HOLE STREAM REMAINS IN
THE VICINITY OF THE EARTH. THE NORTHERN POLAR HOLE IS THE
PROBABLE SOURCE OF THIS STREAM THAT BEGAN AROUND 10 SEP.
ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ALTITUDE WERE
PREDOMINANTLY HIGH AND APPROACHED VERY HIGH LEVELS DURING
THE PERIOD.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD
IS EXPECTED TO BE PREDOMINANTLY QUIET TO ACTIVE FOR THE
NEXT THREE DAYS. ISOLATED MINOR STORMING IS POSSIBLE DURING
THAT TIME. ENERGETIC ELECTRON FLUXES SHOULD ALSO REMAIN
ELEVATED DURING THE PERIOD.
III. Event Probabilities 23 SEP to 25 SEP
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 22 SEP 069 Predicted 23 SEP-25 SEP 069/069/069 90 Day Mean 22 SEP 071
V. Geomagnetic A Indices
OBSERVED AFR/AP 21 SEP 024/024 ESTIMATED AFR/AP 22 SEP 021/020 PREDICTED AFR/AP 23 SEP-25 SEP 018/015-018/015-020/020
VI. Geomagnetic Activity Probabilities 23 SEP to 25 SEP
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 35% | 25% |
| Minor storm | 15% | 15% | 25% |
| Major-severe storm | 05% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 30% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 05% | 05% | 15% |
All times in UTC
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