Viewing archive of Saturday, 7 March 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 Mar 07 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 066 Issued at 2200Z on 07 MAR 1998IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z SOLAR ACTIVITY WAS LOW, BASED ON A SINGLE UNCORRELATED
C1 FLARE AT 07/0231Z. NEW REGION 8175 (N44E56), A 2-SPOT 'AXX'
GROUP, WAS NUMBERED TODAY. OF THE THREE ACTIVE REGIONS CURRENTLY ON
THE VISIBLE DISK, REGION 8174 (S17E37) IS THE MOST COMPLEX AS A
7-SPOT 'DRO' BETA.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
THE GEOMAGNETIC FIELD HAS BEEN MOSTLY QUIET FOR THE PAST 24 HOURS,
EXCEPT FOR A SINGLE PERIOD OF UNSETTLED CONDITIONS RECORDED DURING
THE INTERVAL 07/0600-0900Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT THREE DAYS.
III. Event Probabilities 08 MAR to 10 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 07 MAR 092 Predicted 08 MAR-10 MAR 092/094/096 90 Day Mean 07 MAR 094
V. Geomagnetic A Indices
OBSERVED AFR/AP 06 MAR 007/006 ESTIMATED AFR/AP 07 MAR 006/005 PREDICTED AFR/AP 08 MAR-10 MAR 005/008-005/008-005/010
VI. Geomagnetic Activity Probabilities 08 MAR to 10 MAR
| 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% |
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