Joint USAF/NOAA Report of Solar and Geophysical Activity 02 Dec 2008

Product: Report of Solar-Geophysical Activity
Issued: 2008 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 337 Issued at 2200Z on 02 Dec 2008

IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: Solar activity was very low. No flares occurred during the past 24 hours and the solar disk was void of spots.

IB. Solar Activity Forecast: Solar activity is expected to be very low for the next three days (03-05 December).

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 for the first day (03 December). A gradual increase to unsettled levels with a chance for active periods is expected late on the second day (04 December) and lasting through the third day (05 December) due to a high speed solar wind stream.

• 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 069
• Predicted 03 Dec-05 Dec 069/069/069
• 90 Day Mean 02 Dec 068

V. Geomagnetic A Indices

• Observed Afr/Ap 01 Dec 000/000
• Estimated Afr/Ap 02 Dec 001/005
• Predicted Afr/Ap 03 Dec-05 Dec 005/005-008/008-010/015

VI. Geomagnetic Activity Probabilities 03 Dec-05 Dec

A. Middle Latitudes

• Active 05/15/40
• Minor storm 01/05/10
• Major-severe storm 01/01/01

B. High Latitudes

• Active 05/15/45
• Minor storm 01/10/15
• Major-severe storm 01/05/10