Viewing archive of Sunday, 7 January 2001
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 2001 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 2001IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z Solar activity was low. The most impressive event of
the period was a CME launched from beyond the NW limb at about 0400
UTC. An H-alpha filament disappeared in conjunction with the
eruption. The largest flare was a C5 x-ray event associated with
Region 9302 (N20E39) at 06/2350 UTC. The event was seen in the EIT
imagery from SOHO. Two new regions, 9304 (N11E58) and 9305 (S07E64)
were assigned, bringing the number of spotted regions to 13.
IB. Solar Activity Forecast
Solar activity is expected to be low
to moderate.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet to unsettled.
III. Event Probabilities 08 Jan to 10 Jan
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 07 Jan 177 Predicted 08 Jan-10 Jan 175/180/185 90 Day Mean 07 Jan 174
V. Geomagnetic A Indices
Observed Afr/Ap 06 Jan 005/006 Estimated Afr/Ap 07 Jan 007/007 Predicted Afr/Ap 08 Jan-10 Jan 010/007-010/007-005/005
VI. Geomagnetic Activity Probabilities 08 Jan to 10 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 10% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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