Joint USAF/NOAA Report of Solar and Geophysical Activity 09 Feb 2009

Product: Report of Solar-Geophysical Activity
Issued: 2009 Feb 09 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 040 Issued at 2200Z on 09 Feb 2009

IA. Analysis of Solar Active Regions and Activity from 08/2100Z to 09/2100Z: Solar activity was very low. No flares occurred during the past 24 hours and the solar disk continues to be spotless.

IB. Solar Activity Forecast: Solar activity is expected to be very low for the next three days (10-12 February).

IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z: 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 (10-12 February).

III. Event Probabilities 10 Feb-12 Feb

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

IV. Penticton 10.7 cm Flux

• Observed 09 Feb 071
• Predicted 10 Feb-12 Feb 070/070/070
• 90 Day Mean 09 Feb 069

V. Geomagnetic A Indices

• Observed Afr/Ap 08 Feb 000/004
• Estimated Afr/Ap 09 Feb 002/003
• Predicted Afr/Ap 10 Feb-12 Feb 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 10 Feb-12 Feb

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