Viewing archive of Wednesday, 7 January 1998
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 1998 Jan 07 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 007 Issued at 2200Z on 07 JAN 1998IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. ALL
NUMBERED REGIONS ARE SPOTLESS.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
THE GEOMAGNETIC FIELD RANGED FROM STORM LEVELS TO QUIET CONDITIONS.
THE ACTIVITY IS BELIEVED TO BE RELATED TO THE JANUARY 03 CME.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BECOME QUIET TO UNSETTLED THROUGH 08 JANUARY AS THE
CURRENT DISTURBANCE SUBSIDES. THE FIELD IS EXPECTED TO RETURN TO
MOSTLY QUIET CONDITIONS BY JANUARY 09.
III. Event Probabilities 08 JAN to 10 JAN
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 07 JAN 085 Predicted 08 JAN-10 JAN 085/085/085 90 Day Mean 07 JAN 095
V. Geomagnetic A Indices
OBSERVED AFR/AP 06 JAN 016/014 ESTIMATED AFR/AP 07 JAN 022/025 PREDICTED AFR/AP 08 JAN-10 JAN 010/010-005/005-005/005
VI. Geomagnetic Activity Probabilities 08 JAN to 10 JAN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 05% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 10% | 10% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 05% | 01% | 01% |
All times in UTC
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