Report of Solar Geophysical Activity (RSGA)

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 348 Issued at 2200Z on 14 Dec 2019
IA. Analysis of Solar Active Regions and Activity from 13/2100Z to 14/2100Z: 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 (15 Dec, 16 Dec, 17 Dec).
IIA. Geophysical Activity Summary 13/2100Z to 14/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 411 km/s at 14/2019Z. Total IMF reached 7 nT at 14/2100Z. The maximum southward component of Bz reached -3 nT at 13/2353Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (15 Dec, 16 Dec, 17 Dec).
III. Event probabilities 15 Dec-17 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green
IV. Penticton 10.7 cm Flux Observed 14 Dec 070 Predicted 15 Dec-17 Dec 070/070/070 90 Day Mean 14 Dec 069
V. Geomagnetic A Indices Observed Afr/Ap 13 Dec 003/002 Estimated Afr/Ap 14 Dec 003/003 Predicted Afr/Ap 15 Dec-17 Dec 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 15 Dec-17 Dec A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 20/20/20 Minor Storm 20/20/20 Major-severe storm 10/10/10
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