Product: Report of Solar-Geophysical Activity
Issued: 2008 Nov 17 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 322 Issued at 2200Z on 17 Nov 2008

IA. Analysis of Solar Active Regions and Activity from 16/2100Z to 17/2100Z: Solar activity was very low. Region 1008 (N33W91) remained stable as it rotated off the visible disk. No new regions were numbered. No flares were observed during the past 24 hours.

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

IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z: The geomagnetic field was quiet.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be predominantly quiet for the next three days (18-20 November).

III. Event Probabilities 18 Nov-20 Nov

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

IV. Penticton 10.7 cm Flux

• Observed 17 Nov 068
• Predicted 18 Nov-20 Nov 068/068/068
• 90 Day Mean 17 Nov 068

V. Geomagnetic A Indices

• Observed Afr/Ap 16 Nov 007/008
• Estimated Afr/Ap 17 Nov 002/005
• Predicted Afr/Ap 18 Nov-20 Nov 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 18 Nov-20 Nov

A. Middle Latitudes

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

B. High Latitudes

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

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