Joint USAF/NOAA Report of Solar and Geophysical Activity 01 Dec 2006

Product: Report of Solar-Geophysical Activity
Issued: 2006 Dec 01 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 335 Issued at 2200Z on 01 Dec 2006

IA. Analysis of Solar Active Regions and Activity from 30/2100Z to 01/2100Z: Solar activity was very low. Region 926 (S09W04) produced today’s only B-class event, a B1 at 0824Z. Region 926 and 927 (N09E06) were very stable and quiet during the past 24 hours.

IB. Solar Activity Forecast: Solar activity is expected to be very low to low for the next three days (2-4 December).

IIA. Geophysical Activity Summary 30/2100Z to 01/2100Z: The geomagnetic field was quiet during the past 24 hours.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet for the next three days (2-4 December).

III. Event Probabilities 02 Dec-04 Dec

• Class M 05/05/05
• Class X 01/01/01
• Proton 01/01/01
• PCAF Green

IV. Penticton 10.7 cm Flux

• Observed 01 Dec 084
• Predicted 02 Dec-04 Dec 085/085/085
• 90 Day Mean 01 Dec 080

V. Geomagnetic A Indices

• Observed Afr/Ap 30 Nov 015/028
• Estimated Afr/Ap 01 Dec 005/008
• Predicted Afr/Ap 02 Dec-04 Dec 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 02 Dec-04 Dec

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