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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 1 November 2019

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Friday, November 1, 2019

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 305 Issued at 2200Z on 01 Nov 2019 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 1 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 443 km/s at 01/1030Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2152 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (02 Nov, 03 Nov, 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 071 Predicted 02 Nov-04 Nov 071/071/071 90 Day Mean 01 Nov 068 V. Geomagnetic A Indices Observed Afr/Ap 31 Oct 005/004 Estimated Afr/Ap 01 Nov 007/008 Predicted Afr/Ap 02 Nov-04 Nov 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 02 Nov-04 Nov A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/15 Major-severe storm 10/10/10


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