Viewing archive of Friday, 2 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 02 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 002 Issued at 2200Z on 02 JAN 1998IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z SOLAR ACTIVITY REMAINED MODERATE. REGION 8124 (S22W89)
PRODUCED AN M1/SN AT 02/1303Z WITH MINOR RADIO BURSTS. AN OPTICALLY
UNCORRELATED C6 OCCURRED AT 02/0928Z. REGION 8126 (N20W50) PRODUCED
A C1/SF AT 02/1232Z. WITH REGION 8124 AT THE WEST LIMB, NO
INFORMATION ON EVOLUTION IS AVAILABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY SHOULD BE PREDOMINANTLY
LOW ON 03 JAN. HOWEVER, A SMALL M-CLASS EVENT FROM REGION 8124
REMAINS POSSIBLE ON THAT DAY EVEN FROM ONE DAY BEHIND THE WEST LIMB.
VERY LOW TO LOW LEVELS ARE EXPECTED ON 04-05 JAN.
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET FOR THE NEXT THREE DAYS.
III. Event Probabilities 03 JAN to 05 JAN
| Class M | 15% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 02 JAN 101 Predicted 03 JAN-05 JAN 095/090/088 90 Day Mean 02 JAN 095
V. Geomagnetic A Indices
OBSERVED AFR/AP 01 JAN 005/005 ESTIMATED AFR/AP 02 JAN 005/005 PREDICTED AFR/AP 03 JAN-05 JAN 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 03 JAN to 05 JAN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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