:Product: 1023RSGA.txt :Issued: 2019 Oct 23 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 296 Issued at 2200Z on 23 Oct 2019 IA. Analysis of Solar Active Regions and Activity from 22/2100Z to 23/2100Z: 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 (24 Oct, 25 Oct, 26 Oct). IIA. Geophysical Activity Summary 22/2100Z to 23/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 373 km/s at 23/0606Z. Total IMF reached 3 nT at 23/0214Z. The maximum southward component of Bz reached -2 nT at 23/1725Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (24 Oct), unsettled to minor storm levels on day two (25 Oct) and unsettled to active levels on day three (26 Oct). III. Event probabilities 24 Oct-26 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 23 Oct 065 Predicted 24 Oct-26 Oct 066/066/066 90 Day Mean 23 Oct 067 V. Geomagnetic A Indices Observed Afr/Ap 22 Oct 002/002 Estimated Afr/Ap 23 Oct 002/003 Predicted Afr/Ap 24 Oct-26 Oct 014/022-021/030-012/015 VI. Geomagnetic Activity Probabilities 24 Oct-26 Oct A. Middle Latitudes Active 40/45/30 Minor Storm 25/30/15 Major-severe storm 05/05/01 B. High Latitudes Active 10/05/15 Minor Storm 25/20/30 Major-severe storm 65/70/40