Viewing archive of Thursday, 7 June 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 Jun 07 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 158 Issued at 2200Z on 07 Jun 2007IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z Solar activity was low. Region 960 (S07W03) produced a
few small C-class events as it continued to slowly decay and
simplify. Region 959 (S11W31) reemerged during the period, from a
spotless plage to a simple bipole with nine spots. Region 958
(S12W54) was quiet.
IB. Solar Activity Forecast
Solar activity is expected be low.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
The geomagnetic field was quiet. The GOES greater than 2 MeV electron
flux attained high levels once again.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet throughout the forecast period.
III. Event Probabilities 08 Jun to 10 Jun
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 07 Jun 086 Predicted 08 Jun-10 Jun 085/080/080 90 Day Mean 07 Jun 073
V. Geomagnetic A Indices
Observed Afr/Ap 06 Jun 002/002 Estimated Afr/Ap 07 Jun 002/005 Predicted Afr/Ap 08 Jun-10 Jun 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 08 Jun to 10 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
All times in UTC
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