:Product: 20010227RSGA.txt :Issued: 2001 Feb 27 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 058 Issued at 2200Z on 27 Feb 2001 IA. Analysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: Solar activity was low. Three weak C-class X-ray flares occurred during the period. An 11 degree filament (S16W09) disappeared between 26/1545-27/1213 UTC. New Region 9363 (S20W15) was numbered today. IB. Solar Activity Forecast: Solar activity is expected to be low. IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic field was quiet to active. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet to unsettled for the next three days. III. Event Probabilities 28 Feb-02 Mar Class M 10/10/10 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 27 Feb 131 Predicted 28 Feb-02 Mar 130/130/135 90 Day Mean 27 Feb 164 V. Geomagnetic A Indices Observed Afr/Ap 26 Feb 005/010 Estimated Afr/Ap 27 Feb 015/012 Predicted Afr/Ap 28 Feb-02 Mar 008/008-008/008-005/005 VI. Geomagnetic Activity Probabilities 28 Feb-02 Mar A. Middle Latitudes Active 20/20/15 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 25/25/20 Minor storm 10/10/05 Major-severe storm 01/01/01