:Product: 0610RSGA.txt :Issued: 2019 Jun 10 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 161 Issued at 2200Z on 10 Jun 2019 IA. Analysis of Solar Active Regions and Activity from 09/2100Z to 10/2100Z: 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 (11 Jun, 12 Jun, 13 Jun). IIA. Geophysical Activity Summary 09/2100Z to 10/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 383 km/s at 10/0104Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (11 Jun), unsettled to active levels on day two (12 Jun) and quiet to unsettled levels on day three (13 Jun). III. Event probabilities 11 Jun-13 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 10 Jun 069 Predicted 11 Jun-13 Jun 068/068/068 90 Day Mean 10 Jun 072 V. Geomagnetic A Indices Observed Afr/Ap 09 Jun 008/006 Estimated Afr/Ap 10 Jun 003/004 Predicted Afr/Ap 11 Jun-13 Jun 008/010-012/015-008/008 VI. Geomagnetic Activity Probabilities 11 Jun-13 Jun A. Middle Latitudes Active 25/40/20 Minor Storm 05/25/05 Major-severe storm 01/05/01 B. High Latitudes Active 20/10/20 Minor Storm 30/30/30 Major-severe storm 25/50/20