From: Space Weather Prediction Center (NOAA)
Posted: Sunday, December 2, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 336 Issued at 2200Z on 02 Dec 2018 IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: 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 (03 Dec, 04 Dec, 05 Dec). IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 472 km/s at 02/1907Z. Total IMF reached 8 nT at 02/1116Z. The maximum southward component of Bz reached -6 nT at 02/1116Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (03 Dec, 04 Dec, 05 Dec). III. Event probabilities 03 Dec-05 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 02 Dec 069 Predicted 03 Dec-05 Dec 068/068/068 90 Day Mean 02 Dec 069 V. Geomagnetic A Indices Observed Afr/Ap 01 Dec 004/006 Estimated Afr/Ap 02 Dec 012/016 Predicted Afr/Ap 03 Dec-05 Dec 011/012-008/010-011/012 VI. Geomagnetic Activity Probabilities 03 Dec-05 Dec A. Middle Latitudes Active 25/25/30 Minor Storm 10/10/10 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 25/25/30 Major-severe storm 40/40/35
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