:Product: Report of Solar-Geophysical Activity :Issued: 2010 Feb 17 2201 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 048 Issued at 2200Z on 17 Feb 2010 IA. Analysis of Solar Active Regions and Activity from 16/2100Z to 17/2100Z: Solar activity was very low. Isolated B-class flares occurred during the period. New Region 1049 (S19E02) was numbered. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z: Geomagnetic field activity was at quiet to unsettled levels. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be at quiet to unsettled levels with a chance for active levels during days 1 - 2 (18 - 19 February). Activity is expected to decrease to quiet levels on day 3 (20 February). III. Event Probabilities 18 Feb-20 Feb Class M 05/05/05 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 17 Feb 087 Predicted 18 Feb-20 Feb 088/088/086 90 Day Mean 17 Feb 080 V. Geomagnetic A Indices Observed Afr/Ap 16 Feb 011/009 Estimated Afr/Ap 17 Feb 003/005 Predicted Afr/Ap 18 Feb-20 Feb 010/010-010/010-005/005 VI. Geomagnetic Activity Probabilities 18 Feb-20 Feb A. Middle Latitudes Active 25/25/15 Minor storm 10/10/01 Major-severe storm 01/01/01 B. High Latitudes Active 30/30/20 Minor storm 15/15/05 Major-severe storm 01/01/01