:Product: 0717RSGA.txt :Issued: 2020 Jul 17 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 199 Issued at 2200Z on 17 Jul 2020 IA. Analysis of Solar Active Regions and Activity from 16/2100Z to 17/2100Z: 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 (18 Jul, 19 Jul, 20 Jul). IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 443 km/s at 17/1821Z. Total IMF reached 6 nT at 17/1559Z. The maximum southward component of Bz reached -3 nT at 17/1359Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 273 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (18 Jul, 19 Jul, 20 Jul). III. Event probabilities 18 Jul-20 Jul Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 17 Jul 068 Predicted 18 Jul-20 Jul 068/068/068 90 Day Mean 17 Jul 069 V. Geomagnetic A Indices Observed Afr/Ap 16 Jul 004/004 Estimated Afr/Ap 17 Jul 006/005 Predicted Afr/Ap 18 Jul-20 Jul 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 18 Jul-20 Jul A. Middle Latitudes Active 05/05/05 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/15 Major-severe storm 10/10/10