:Product: 0801RSGA.txt :Issued: 2019 Aug 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 213 Issued at 2200Z on 01 Aug 2019 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 Aug, 03 Aug, 04 Aug). 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 547 km/s at 01/0513Z. Total IMF reached 8 nT at 31/2148Z. The maximum southward component of Bz reached -6 nT at 31/2338Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (02 Aug, 03 Aug) and quiet to unsettled levels on day three (04 Aug). III. Event probabilities 02 Aug-04 Aug Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 01 Aug 067 Predicted 02 Aug-04 Aug 067/067/067 90 Day Mean 01 Aug 069 V. Geomagnetic A Indices Observed Afr/Ap 31 Jul 010/008 Estimated Afr/Ap 01 Aug 007/008 Predicted Afr/Ap 02 Aug-04 Aug 005/005-006/005-008/008 VI. Geomagnetic Activity Probabilities 02 Aug-04 Aug A. Middle Latitudes Active 10/10/15 Minor Storm 01/01/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/25 Major-severe storm 20/10/25