Report of Solar Geophysical Activity (RSGA)

By Newsroom America Feeds at 1 Nov 2017

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 305 Issued at 2200Z on 01 Nov 2017

IA. Analysis of Solar Active Regions and Activity from 31/2100Z to 01/2100Z: 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 (02 Nov, 03 Nov, 04 Nov).

IIA. Geophysical Activity Summary 31/2100Z to 01/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 307 km/s at 01/1601Z. Total IMF reached 10 nT at 01/1731Z. The maximum southward component of Bz reached -5 nT at 01/1905Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2866 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (02 Nov), quiet to unsettled levels on day two (03 Nov) and quiet levels on day three (04 Nov).

III. Event probabilities 02 Nov-04 Nov Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green

IV. Penticton 10.7 cm Flux Observed 01 Nov 073 Predicted 02 Nov-04 Nov 073/074/073 90 Day Mean 01 Nov 082

V. Geomagnetic A Indices Observed Afr/Ap 31 Oct 002/002 Estimated Afr/Ap 01 Nov 003/004 Predicted Afr/Ap 02 Nov-04 Nov 011/012-008/008-006/006

VI. Geomagnetic Activity Probabilities 02 Nov-04 Nov A. Middle Latitudes Active 25/25/15 Minor Storm 10/10/05 Major-severe storm 01/01/01 B. High Latitudes Active 20/15/15 Minor Storm 25/20/20 Major-severe storm 20/20/15

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