From: Space Weather Prediction Center (NOAA)
Posted: Saturday, April 6, 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 96 Issued at 2200Z on 06 Apr 2019 IA. Analysis of Solar Active Regions and Activity from 05/2100Z to 06/2100Z: 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 lowon days one, two, and three (07 Apr, 08 Apr, 09 Apr). IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 530 km/s at 05/2242Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 13361 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (07 Apr) and quiet t unsettled levels on days two and three (08 Apr, 09 Apr). III. Event probabilities 07 Apr-09 Apr Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 06 Apr 074 Predicted 07 Apr-09 Apr 074/074/074 90 Day Mean 06 Apr 071 V. Geomagnetic A Indices Observed Afr/Ap 05 Apr 010/012 Estimated Afr/Ap 06 Apr 009/010 Predicted Afr/Ap 07 Apr-09 Apr 010/012-009/010-007/008 VI. Geomagnetic Activity Probabilities 07 Apr-09 Apr A. Middle Latitudes Active 30/20/20 Minor Storm 10/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/15 Minor Storm 30/25/25 Major-severe storm 30/25/30
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