Viewing archive of Friday, 13 January 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 Jan 13 2204 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 013 Issued at 2200Z on 13 Jan 2006IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z Solar activity was very low. A nine degree
disappearing solar filament centered at S05W19 occurred at
approximately 12/2340Z as seen from H-alpha and EIT imagery. A
Type II radio sweep began at 13/0004Z with an estimated shock speed
of approximately 500 km/sec. LASCO C2 imagery showed a CME on the
west limb beginning at 13/0054Z which does not appear to be Earth
directed. No sunspots are visible on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet to unsettled.
III. Event Probabilities 14 Jan to 16 Jan
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 13 Jan 077 Predicted 14 Jan-16 Jan 080/080/080 90 Day Mean 13 Jan 085
V. Geomagnetic A Indices
Observed Afr/Ap 12 Jan 002/003 Estimated Afr/Ap 13 Jan 003/004 Predicted Afr/Ap 14 Jan-16 Jan 005/005-007/008-008/010
VI. Geomagnetic Activity Probabilities 14 Jan to 16 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 20% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 20% | 25% |
| Minor storm | 05% | 10% | 15% |
| Major-severe storm | 01% | 01% | 10% |
All times in UTC
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