:Product: 1022RSGA.txt :Issued: 2018 Oct 22 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 295 Issued at 2200Z on 22 Oct 2018 IA. Analysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: 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 (23 Oct, 24 Oct, 25 Oct). IIA. Geophysical Activity Summary 21/2100Z to 22/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 402 km/s at 22/0543Z. Total IMF reached 7 nT at 22/0408Z. The maximum southward component of Bz reached -4 nT at 21/2245Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on day one (23 Oct) and quiet to unsettled levels on days two and three (24 Oct, 25 Oct). III. Event probabilities 23 Oct-25 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 22 Oct 071 Predicted 23 Oct-25 Oct 071/071/070 90 Day Mean 22 Oct 069 V. Geomagnetic A Indices Observed Afr/Ap 21 Oct 004/005 Estimated Afr/Ap 22 Oct 006/006 Predicted Afr/Ap 23 Oct-25 Oct 005/005-010/012-009/008 VI. Geomagnetic Activity Probabilities 23 Oct-25 Oct A. Middle Latitudes Active 10/25/15 Minor Storm 01/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 20/15/15 Minor Storm 20/30/25 Major-severe storm 10/30/20