- Press Release
- Dec 5, 2022
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 5 November 2017
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 309 Issued at 2200Z on 05 Nov 2017
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 Nov, 07 Nov, 08 Nov).
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 444 km/s at 04/2148Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (06 Nov) and unsettled to minor storm levels on days two and three (07 Nov, 08 Nov).
III. Event probabilities 06 Nov-08 Nov
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 05 Nov 071
Predicted 06 Nov-08 Nov 071/070/070
90 Day Mean 05 Nov 082
V. Geomagnetic A Indices
Observed Afr/Ap 04 Nov 002/002
Estimated Afr/Ap 05 Nov 003/003
Predicted Afr/Ap 06 Nov-08 Nov 008/010-018/027-021/030
VI. Geomagnetic Activity Probabilities 06 Nov-08 Nov
A. Middle Latitudes
Minor Storm 05/25/35
Major-severe storm 01/05/05
B. High Latitudes
Minor Storm 25/30/30
Major-severe storm 20/45/60