:Product: 20010224RSGA.txt :Issued: 2001 Feb 24 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 055 Issued at 2200Z on 24 Feb 2001 IA. Analysis of Solar Active Regions and Activity from 23/2100Z to 24/2100Z: Solar activity was low with only two weak C-class X-ray flares. No new regions were numbered today. IB. Solar Activity Forecast: Solar activity is expected to be low. IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z: The geomagnetic field was quiet to unsettled. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be predominantly quiet to unsettled. Fingers of a southern coronal hole extend far enough north to bring a increase in solar wind speeds by late on day two. III. Event Probabilities 25 Feb-27 Feb Class M 10/10/20 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 24 Feb 137 Predicted 25 Feb-27 Feb 140/135/135 90 Day Mean 24 Feb 166 V. Geomagnetic A Indices Observed Afr/Ap 23 Feb 009/011 Estimated Afr/Ap 24 Feb 007/007 Predicted Afr/Ap 25 Feb-27 Feb 005/005-005/005-008/008 VI. Geomagnetic Activity Probabilities 25 Feb-27 Feb A. Middle Latitudes Active 20/20/20 Minor storm 05/05/10 Major-severe storm 01/01/01 B. High Latitudes Active 25/25/25 Minor storm 10/10/10 Major-severe storm 01/01/01