Viewing archive of Tuesday, 12 September 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 Sep 12 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 255 Issued at 2200Z on 12 Sep 2006IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z Solar activity was low. Region 908 (S12W18) produced a
C1.0/Sf flare at 11/2309Z. Region 909 (S09W60) produced two
low-level B-class flares.
IB. Solar Activity Forecast
Solar activity is expected to be very
low, with a slight chance for an isolated C-class event.
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be predominantly quiet for the next three days (13-15
Sep).
III. Event Probabilities 13 Sep to 15 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 12 Sep 084 Predicted 13 Sep-15 Sep 085/085/080 90 Day Mean 12 Sep 077
V. Geomagnetic A Indices
Observed Afr/Ap 11 Sep 007/008 Estimated Afr/Ap 12 Sep 003/005 Predicted Afr/Ap 13 Sep-15 Sep 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 13 Sep to 15 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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