Viewing archive of Friday, 24 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 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 297 Issued at 2200Z on 24 OCT 1997IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z SOLAR ACTIVITY WAS VERY LOW. NEW REGION 8098 (S26W03),
AN EMERGING AXX SPOT GROUP, WAS NUMBERED TODAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW FOR THE ENTIRE FORECAST PERIOD.
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO ACTIVE AT MID LATITUDES
AND QUIET TO MAJOR STORM AT HIGH LATITUTDES.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO MINOR STORM AT MID LATITUDES AND
UNSETTLED TO MAJOR STORM AT HIGH LATITUDES FOR THE NEXT 48 HOURS.
ACTIVITY IS EXPECTED TO SETTLED DOWN TO MOSTLY UNSETTLED CONDITIONS
BY DAY THREE OF THE FORECAST PERIOD.
III. Event Probabilities 25 OCT to 27 OCT
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 24 OCT 079 Predicted 25 OCT-27 OCT 078/078/078 90 Day Mean 24 OCT 086
V. Geomagnetic A Indices
OBSERVED AFR/AP 23 OCT 006/006 ESTIMATED AFR/AP 24 OCT 023/020 PREDICTED AFR/AP 25 OCT-27 OCT 030/030-020/025-015/015
VI. Geomagnetic Activity Probabilities 25 OCT to 27 OCT
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 45% | 45% | 25% |
| Minor storm | 25% | 15% | 10% |
| Major-severe storm | 15% | 10% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 50% | 50% | 30% |
| Minor storm | 25% | 25% | 10% |
| Major-severe storm | 20% | 20% | 05% |
All times in UTC
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