Viewing archive of Saturday, 4 December 2010
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 2010 Dec 04 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 338 Issued at 2200Z on 04 Dec 2010 IA. Analysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: Solar activity was very low. Region 1130 (N12W83) was classified as an Hsx-Alpha type spot group. Region 1131 (N30E40) became more complex overnight and was classified as a Cao-Beta type spot group.IB. Solar Activity Forecast
Solar activity is expected to remain
at very low levels with a chance for a C-class X-ray event during the
next three days (5-7 Dec).
IIA. Geophysical Activity Summary 03-2100Z to 04-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to remain quiet during the next three days (5-7 Dec).
III. Event Probabilities 05 Dec to 07 Dec
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 04 Dec 087 Predicted 05 Dec-07 Dec 087/089/089 90 Day Mean 04 Dec 082
V. Geomagnetic A Indices
Observed Afr/Ap 03 Dec 000/001 Estimated Afr/Ap 04 Dec 001/001 Predicted Afr/Ap 05 Dec-07 Dec 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 05 Dec to 07 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 10% |
| Minor storm | 01% | 01% | 05% |
| Major-severe storm | 00% | 00% | 01% |
All times in UTC
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