Joint USAF/NOAA Report of Solar and Geophysical Activity 02 Dec 2007

Product: Report of Solar-Geophysical Activity
Issued: 2007 Dec 02 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 336 Issued at 2200Z on 02 Dec 2007

IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: Solar activity was very low. Region 976 (S09E10) has decayed in size and complexity since appearing yesterday. A B7/SF flare was observed from new Region 977 (S05E53).

IB. Solar Activity Forecast: Solar activity is expected to be very low.

IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z: The geomagnetic field was quiet.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet.

III. Event Probabilities 03 Dec-05 Dec

• Class M 01/01/01
• Class X 01/01/01
• Proton 01/01/01
• PCAF green

IV. Penticton 10.7 cm Flux

• Observed 02 Dec 073
• Predicted 03 Dec-05 Dec 070/070/070
• 90 Day Mean 02 Dec 068

V. Geomagnetic A Indices

• Observed Afr/Ap 01 Dec 002/002
• Estimated Afr/Ap 02 Dec 002/005
• Predicted Afr/Ap 03 Dec-05 Dec 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 03 Dec-05 Dec

A. Middle Latitudes

• Active 05/05/05
• Minor storm 01/01/01
• Major-severe storm 01/01/01

B. High Latitudes

• Active 10/10/10
• Minor storm 05/05/05
• Major-severe storm 01/01/01