From: Space Weather Prediction Center (NOAA)
Posted: Friday, June 7, 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 158 Issued at 2200Z on 07 Jun 2019 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 levels for the past 24 hours. Solar wind speed reached a peak of 312 km/s at 07/1118Z. Total IMF reached 6 nT at 07/1308Z. The maximum southward component of Bz reached -5 nT at 07/1600Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 205 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (08 Jun, 09 Jun) and quiet levels on day three (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 070/070/070 90 Day Mean 07 Jun 072 V. Geomagnetic A Indices Observed Afr/Ap 06 Jun 004/003 Estimated Afr/Ap 07 Jun 005/006 Predicted Afr/Ap 08 Jun-10 Jun 008/010-009/008-005/005 VI. Geomagnetic Activity Probabilities 08 Jun-10 Jun A. Middle Latitudes Active 20/15/10 Minor Storm 05/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/30/20 Major-severe storm 30/25/10
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