Viewing archive of Saturday, 8 April 2006
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 2006 Apr 08 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 098 Issued at 2200Z on 08 Apr 2006IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity was very low. Regions 865 (S09W90) and
867 (S16W67) continued to decay. Regions 866 (S06W63) and 869
(S12W04) have remained quiescent.
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 was quiet to unsettled.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be unsettled to active with a chance for isolated minor
storm periods for the next two days (09 - 10 April). Quiet to
unsettled conditions should follow on 11 April.
III. Event Probabilities 09 Apr to 11 Apr
| Class M | 05% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Apr 091 Predicted 09 Apr-11 Apr 090/085/080 90 Day Mean 08 Apr 080
V. Geomagnetic A Indices
Observed Afr/Ap 07 Apr 002/003 Estimated Afr/Ap 08 Apr 004/006 Predicted Afr/Ap 09 Apr-11 Apr 012/010-010/008-005/005
VI. Geomagnetic Activity Probabilities 09 Apr to 11 Apr
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 20% | 15% |
| Minor storm | 15% | 05% | 01% |
| Major-severe storm | 05% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 20% |
| Minor storm | 25% | 10% | 05% |
| Major-severe storm | 15% | 05% | 01% |
All times in UTC
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