:Product: 0611RSGA.txt :Issued: 2020 Jun 11 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 163 Issued at 2200Z on 11 Jun 2020 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (12 Jun, 13 Jun, 14 Jun). IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 501 km/s at 10/2331Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 197 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (12 Jun, 13 Jun, 14 Jun). III. Event probabilities 12 Jun-14 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 11 Jun 072 Predicted 12 Jun-14 Jun 072/072/072 90 Day Mean 11 Jun 070 V. Geomagnetic A Indices Observed Afr/Ap 10 Jun 011/010 Estimated Afr/Ap 11 Jun 005/005 Predicted Afr/Ap 12 Jun-14 Jun 005/005-006/005-005/005 VI. Geomagnetic Activity Probabilities 12 Jun-14 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