Viewing archive of Saturday, 10 March 2007
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 2007 Mar 10 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 069 Issued at 2200Z on 10 Mar 2007IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z Solar activity was at very low levels. No flares were
recorded during the period. Region 946 (N10W46) is a six spot Bxo
beta group that was numbered today.
IB. Solar Activity Forecast
Solar activity is expected to remain
at very low levels. The greater than 2 MeV electron flux at
geosynchronous orbit reached high levels again today.
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic field was at quiet levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet on 11 March. Active to isolated minor storm
conditions are expected on 12 and 13 March due to a recurrent
coronal hole high speed stream.
III. Event Probabilities 11 Mar to 13 Mar
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Mar 071 Predicted 11 Mar-13 Mar 075/075/075 90 Day Mean 10 Mar 080
V. Geomagnetic A Indices
Observed Afr/Ap 09 Mar 001/002 Estimated Afr/Ap 10 Mar 005/005 Predicted Afr/Ap 11 Mar-13 Mar 006/007-012/015-012/020
VI. Geomagnetic Activity Probabilities 11 Mar to 13 Mar
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 25% | 25% |
| Minor storm | 05% | 15% | 15% |
| Major-severe storm | 01% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 30% | 40% |
| Minor storm | 05% | 15% | 20% |
| Major-severe storm | 01% | 10% | 15% |
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