:Product: 0709RSGA.txt :Issued: 2017 Jul 09 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 190 Issued at 2200Z on 09 Jul 2017 IA. Analysis of Solar Active Regions and Activity from 08/2100Z to 09/2100Z: Solar activity has been at moderate levels for the past 24 hours. The largest solar event of the period was a M1 event observed at 09/0318Z from Region 2665 (S06E24). There are currently 1 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (10 Jul, 11 Jul, 12 Jul). IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z: The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 598 km/s at 09/2100Z. Total IMF reached 14 nT at 09/1338Z. The maximum southward component of Bz reached -11 nT at 09/0831Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (10 Jul, 11 Jul, 12 Jul). III. Event probabilities 10 Jul-12 Jul Class M 30/30/30 Class X 05/05/05 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 09 Jul 091 Predicted 10 Jul-12 Jul 092/092/092 90 Day Mean 09 Jul 075 V. Geomagnetic A Indices Observed Afr/Ap 08 Jul 003/003 Estimated Afr/Ap 09 Jul 022/029 Predicted Afr/Ap 10 Jul-12 Jul 015/018-011/012-011/015 VI. Geomagnetic Activity Probabilities 10 Jul-12 Jul A. Middle Latitudes Active 35/30/30 Minor Storm 20/10/15 Major-severe storm 05/01/05 B. High Latitudes Active 10/15/10 Minor Storm 25/30/25 Major-severe storm 55/40/50