:Product: 0116RSGA.txt :Issued: 2020 Jan 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 16 Issued at 2200Z on 16 Jan 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 Jan, 18 Jan, 19 Jan). IIA. Geophysical Activity Summary 15/2100Z to 16/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 403 km/s at 16/0949Z. Total IMF reached 7 nT at 16/0201Z. The maximum southward component of Bz reached -4 nT at 16/0828Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 309 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (17 Jan, 18 Jan) and quiet to unsettled levels on day three (19 Jan). III. Event probabilities 17 Jan-19 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 16 Jan 072 Predicted 17 Jan-19 Jan 072/071/070 90 Day Mean 16 Jan 070 V. Geomagnetic A Indices Observed Afr/Ap 15 Jan 002/002 Estimated Afr/Ap 16 Jan 007/006 Predicted Afr/Ap 17 Jan-19 Jan 006/005-006/005-008/008 VI. Geomagnetic Activity Probabilities 17 Jan-19 Jan A. Middle Latitudes Active 10/15/20 Minor Storm 01/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/25 Major-severe storm 10/20/30