:Product: 0216RSGA.txt :Issued: 2020 Feb 16 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 47 Issued at 2200Z on 16 Feb 2020 IA. Analysis of Solar Active Regions and Activity from 15/2100Z to 16/2100Z: 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 (17 Feb, 18 Feb, 19 Feb). IIA. Geophysical Activity Summary 15/2100Z to 16/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 394 km/s at 15/2334Z. Total IMF reached 5 nT at 15/2213Z. The maximum southward component of Bz reached -3 nT at 16/1629Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 369 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (17 Feb, 18 Feb, 19 Feb). III. Event probabilities 17 Feb-19 Feb Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 16 Feb 071 Predicted 17 Feb-19 Feb 071/071/071 90 Day Mean 16 Feb 071 V. Geomagnetic A Indices Observed Afr/Ap 15 Feb 004/004 Estimated Afr/Ap 16 Feb 004/004 Predicted Afr/Ap 17 Feb-19 Feb 008/010-007/008-007/010 VI. Geomagnetic Activity Probabilities 17 Feb-19 Feb A. Middle Latitudes Active 20/15/20 Minor Storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 25/25/25 Major-severe storm 30/25/30