From: Space Weather Prediction Center (NOAA)
Posted: Friday, July 5, 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 186 Issued at 2200Z on 05 Jul 2019
IA. Analysis of Solar Active Regions and Activity from 04/2100Z to 05/2100Z: 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 (06 Jul, 07 Jul, 08 Jul).
IIA. Geophysical Activity Summary 04/2100Z to 05/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 457 km/s at 05/1444Z. Total IMF reached 7 nT at 04/2233Z. The maximum southward component of Bz reached -4 nT at 05/0110Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (06 Jul) and quiet levels on days two and three (07 Jul, 08 Jul).
III. Event probabilities 06 Jul-08 Jul
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 05 Jul 067
Predicted 06 Jul-08 Jul 067/067/067
90 Day Mean 05 Jul 070
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jul 008/006
Estimated Afr/Ap 05 Jul 007/006
Predicted Afr/Ap 06 Jul-08 Jul 007/008-006/005-006/005
VI. Geomagnetic Activity Probabilities 06 Jul-08 Jul
A. Middle Latitudes
Minor Storm 10/05/01
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 25/20/15
Major-severe storm 25/20/15
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