- Press Release
- Nov 30, 2022
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 3 November 2017
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 307 Issued at 2200Z on 03 Nov 2017
IA. Analysis of Solar Active Regions and Activity from 02/2100Z to 03/2100Z: 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 (04 Nov, 05 Nov, 06 Nov).
IIA. Geophysical Activity Summary 02/2100Z to 03/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 450 km/s at 03/0526Z. Total IMF reached 10 nT at 03/0240Z. The maximum southward component of Bz reached -7 nT at 02/2206Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (04 Nov, 06 Nov) and quiet levels on day two (05 Nov).
III. Event probabilities 04 Nov-06 Nov
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 03 Nov 073
Predicted 04 Nov-06 Nov 073/073/073
90 Day Mean 03 Nov 082
V. Geomagnetic A Indices
Observed Afr/Ap 02 Nov 012/008
Estimated Afr/Ap 03 Nov 009/012
Predicted Afr/Ap 04 Nov-06 Nov 007/008-006/005-007/008
VI. Geomagnetic Activity Probabilities 04 Nov-06 Nov
A. Middle Latitudes
Minor Storm 05/01/05
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/20/25
Major-severe storm 20/15/20