From: Space Weather Prediction Center (NOAA)
Posted: Thursday, November 29, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 333 Issued at 2200Z on 29 Nov 2018
IA. Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z: 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 (30 Nov, 01 Dec, 02 Dec).
IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 405 km/s at 29/1633Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on day one (30 Nov), quiet to minor storm levels on day two (01 Dec) and unsettled to minor storm levels on day three (02 Dec).
III. Event probabilities 30 Nov-02 Dec
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 29 Nov 068
Predicted 30 Nov-02 Dec 068/068/068
90 Day Mean 29 Nov 069
V. Geomagnetic A Indices
Observed Afr/Ap 28 Nov 002/001
Estimated Afr/Ap 29 Nov 003/004
Predicted Afr/Ap 30 Nov-02 Dec 005/005-019/024-021/028
VI. Geomagnetic Activity Probabilities 30 Nov-02 Dec
A. Middle Latitudes
Minor Storm 01/25/25
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/20/20
Major-severe storm 10/70/70
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