Viewing archive of Tuesday, 5 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 05 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 156 Issued at 2200Z on 05 Jun 2007IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity was low. Region 960 (S07E24) produced
two C-flares. The largest of which was a C6.6/1f flare at 05/1613
UTC. The region continues to be in decay, however it maintains a
beta gamma delta magnetic classification.
IB. Solar Activity Forecast
Solar activity is expected to be low
to moderate. Region 960 is still capable of producing M-flares with
a slight chance for an X-flare.
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic field was mostly quiet. The greater than 2 MeV
electron flux at geosynchronous orbit reached high levels again
today.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be mostly quiet. Based on the potential for significant
flare activity from Region 960, there is a slight chance for a
greater than 10 MeV proton event.
III. Event Probabilities 06 Jun to 08 Jun
| Class M | 60% | 60% | 50% |
| Class X | 15% | 15% | 10% |
| Proton | 10% | 10% | 05% |
| PCAF | yellow | ||
IV. Penticton 10.7 cm Flux
Observed 05 Jun 081 Predicted 06 Jun-08 Jun 085/085/085 90 Day Mean 05 Jun 073
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jun 008/008 Estimated Afr/Ap 05 Jun 005/005 Predicted Afr/Ap 06 Jun-08 Jun 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 06 Jun to 08 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| 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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