Viewing archive of Sunday, 8 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 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 067 Issued at 2200Z on 08 MAR 1998IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z SOLAR ACTIVITY WAS LOW DUE TO A SINGLE UNCORRELATED C1
FLARE AT 08/1924. THERE ARE CURRENTLY FOUR SPOTTED REGIONS ON THE
VISIBLE DISK, WITH TWO NEW SMALL B-TYPE SPOT GROUPS, 8176 (S42E54)
AND 8177 (S33W21), BEING NUMBERED SINCE LATE YESTERDAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT THREE DAYS.
III. Event Probabilities 09 MAR to 11 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 08 MAR 091 Predicted 09 MAR-11 MAR 092/094/096 90 Day Mean 08 MAR 094
V. Geomagnetic A Indices
OBSERVED AFR/AP 07 MAR 002/005 ESTIMATED AFR/AP 08 MAR 003/003 PREDICTED AFR/AP 09 MAR-11 MAR 005/005-005/010-005/010
VI. Geomagnetic Activity Probabilities 09 MAR to 11 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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