:Product: 0201RSGA.txt :Issued: 2018 Feb 01 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 Solar Geophysical Activity Report and Forecast SDF Number 32 Issued at 2200Z on 01 Feb 2018 IA. Analysis of Solar Active Regions and Activity from 31/2100Z to 01/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (02 Feb, 03 Feb, 04 Feb). IIA. Geophysical Activity Summary 31/2100Z to 01/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 462 km/s at 01/0500Z. Total IMF reached 5 nT at 01/0422Z. The maximum southward component of Bz reached -4 nT at 01/1937Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (02 Feb, 03 Feb) and quiet to active levels on day three (04 Feb). III. Event probabilities 02 Feb-04 Feb Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 01 Feb 069 Predicted 02 Feb-04 Feb 070/071/071 90 Day Mean 01 Feb 071 V. Geomagnetic A Indices Observed Afr/Ap 31 Jan 005/005 Estimated Afr/Ap 01 Feb 004/005 Predicted Afr/Ap 02 Feb-04 Feb 005/005-006/005-008/010 VI. Geomagnetic Activity Probabilities 02 Feb-04 Feb A. Middle Latitudes Active 10/10/25 Minor Storm 01/01/10 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/30 Major-severe storm 15/15/35