:Product: 0620RSGA.txt :Issued: 2020 Jun 20 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 172 Issued at 2200Z on 20 Jun 2020 IA. Analysis of Solar Active Regions and Activity from 19/2100Z to 20/2100Z: 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 (21 Jun, 22 Jun, 23 Jun). IIA. Geophysical Activity Summary 19/2100Z to 20/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 363 km/s at 20/0432Z. Total IMF reached 7 nT at 20/0522Z. The maximum southward component of Bz reached -6 nT at 20/0340Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 150 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (21 Jun, 22 Jun, 23 Jun). III. Event probabilities 21 Jun-23 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 20 Jun 068 Predicted 21 Jun-23 Jun 068/068/068 90 Day Mean 20 Jun 070 V. Geomagnetic A Indices Observed Afr/Ap 19 Jun 007/005 Estimated Afr/Ap 20 Jun 005/006 Predicted Afr/Ap 21 Jun-23 Jun 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 21 Jun-23 Jun 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