Viewing archive of Wednesday, 6 February 2008
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 2008 Feb 06 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 037 Issued at 2200Z on 06 Feb 2008IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity was very low. No flares were detected.
The visible disk was spotless.
IB. Solar Activity Forecast
Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic field was quiet at all latitudes. The greater than 2
MeV electron flux at geosynchronous orbit reached high levels during
the period.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet on day 1 (07 Feb). Activity is expected to
increase to unsettled levels during days 2 - 3 (08 - 09 Feb) as a
recurrent coronal hole high-speed stream becomes geoeffective.
Isolated active periods are also possible on day 3 (09 Feb).
III. Event Probabilities 07 Feb to 09 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Feb 072 Predicted 07 Feb-09 Feb 070/070/070 90 Day Mean 06 Feb 075
V. Geomagnetic A Indices
Observed Afr/Ap 05 Feb 002/003 Estimated Afr/Ap 06 Feb 002/002 Predicted Afr/Ap 07 Feb-09 Feb 005/005-008/008-010/012
VI. Geomagnetic Activity Probabilities 07 Feb to 09 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 20% | 25% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 25% | 30% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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