Viewing archive of Tuesday, 7 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 07 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 280 Issued at 2200Z on 07 OCT 1997IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z SOLAR ACTIVITY HAS BEEN VERY LOW WITH MINOR ISOLATED
LOW FREQUENCY SWEEPS AND BURSTS. A SPACE BASED SENSOR DETECTED A
CORONAL MASS EJECTION OFF THE SE LIMB AT 06/1600Z WHICH MAY HAVE
BEEN COINCIDENT WITH A LARGE DSF REPORTED AT 06/2230Z. A SECOND
CORONAL MASS EJECTION WAS OBSERVED OFF THE WEST LIMB AT 07/1330Z BUT
NO OPTICAL ACTIVITY WAS OBSERVED AT THAT TIME.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW TO LOW.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
THE GEOMAGNETIC WAS QUIET AT ALL LEVELS.
IIB. Geophysical Activity Forecast
THE GEOPHYSICAL FIELD IS
EXPECTED TO REMAIN QUIET.
III. Event Probabilities 08 OCT to 10 OCT
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 07 OCT 084 Predicted 08 OCT-10 OCT 085/086/087 90 Day Mean 07 OCT 084
V. Geomagnetic A Indices
OBSERVED AFR/AP 06 OCT 003/003 ESTIMATED AFR/AP 07 OCT 006/006 PREDICTED AFR/AP 08 OCT-10 OCT 010/015-010/010-010/008
VI. Geomagnetic Activity Probabilities 08 OCT to 10 OCT
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 10% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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