Viewing archive of Wednesday, 8 October 1997
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 1997 Oct 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 281 Issued at 2200Z on 08 OCT 1997IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z SOLAR ACTIVITY WAS VERY LOW. REGION 8092 (N24E41) IS
THE ONLY SPOTTED REGION ON A QUIET AND STABLE DISK.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO PERSIST
AT VERY LOW LEVELS.
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. SUBSTORMS OCCURRED DURING
LOCAL NIGHTTIME HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE PREDOMINANTLY UNSETTLED. NIGHTTIME SUBSTORMS ARE
LIKELY TO CONTINUE, BRINGING EPISODES OF ACTIVE CONDITIONS TO MIDDLE
AND HIGH LATITUDES.
III. Event Probabilities 09 OCT to 11 OCT
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 08 OCT 083 Predicted 09 OCT-11 OCT 085/085/080 90 Day Mean 08 OCT 084
V. Geomagnetic A Indices
OBSERVED AFR/AP 07 OCT 008/007 ESTIMATED AFR/AP 08 OCT 012/015 PREDICTED AFR/AP 09 OCT-11 OCT 015/010-015/010-015/010
VI. Geomagnetic Activity Probabilities 09 OCT to 11 OCT
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 40% | 50% | 40% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 50% | 60% | 50% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 05% | 05% | 05% |
All times in UTC
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