:Product: 0607RSGA.txt :Issued: 2018 Jun 07 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 158 Issued at 2200Z on 07 Jun 2018 IA. Analysis of Solar Active Regions and Activity from 06/2100Z to 07/2100Z: 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 (08 Jun, 09 Jun, 10 Jun). IIA. Geophysical Activity Summary 06/2100Z to 07/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 446 km/s at 06/2100Z. Total IMF reached 11 nT at 07/0641Z. The maximum southward component of Bz reached -3 nT at 06/2136Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 6304 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (08 Jun, 09 Jun, 10 Jun). III. Event probabilities 08 Jun-10 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 07 Jun 069 Predicted 08 Jun-10 Jun 069/069/069 90 Day Mean 07 Jun 070 V. Geomagnetic A Indices Observed Afr/Ap 06 Jun 009/007 Estimated Afr/Ap 07 Jun 005/006 Predicted Afr/Ap 08 Jun-10 Jun 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 08 Jun-10 Jun A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/15/15 Major-severe storm 10/10/10