Joint USAF/NOAA Report of Solar and Geophysical Activity 12 May 2007
Product: Report of Solar-Geophysical Activity
Issued: 2007 May 12 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Environment Center and the U.S. Air Force.
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 132 Issued at 2200Z on 12 May 2007
IA. Analysis of Solar Active Regions and Activity from 11/2100Z to 12/2100Z: Solar activity was very low.
IB. Solar Activity Forecast: Solar activity is expected to be very low to low. C-class flares are possible in Region 955 (S09W21).
IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be mostly quiet.
III. Event Probabilities 13 May-15 May
- Class M 05/05/05
- Class X 01/01/01
- Proton 01/01/01
- PCAF Green
IV. Penticton 10.7 cm Flux
- Observed 12 May 071
- Predicted 13 May-15 May 070/070/070
- 90 Day Mean 12 May 074
V. Geomagnetic A Indices
- Observed Afr/Ap 11 May 002/002
- Estimated Afr/Ap 12 May 003/005
- Predicted Afr/Ap 13 May-15 May 005/005-005/008-005/008
VI. Geomagnetic Activity Probabilities 13 May-15 May
A. Middle Latitudes
- Active 15/15/15
- Minor storm 05/05/05
- Major-severe storm 01/01/01
B. High Latitudes
- Active 20/20/20
- Minor storm 05/05/05
- Major-severe storm 01/01/01