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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 29 November 2019

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Friday, November 29, 2019

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 333 Issued at 2200Z on 29 Nov 2019 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 390 km/s at 29/2008Z. Total IMF reached 6 nT at 29/0150Z. The maximum southward component of Bz reached -5 nT at 29/1908Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 695 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (30 Nov, 01 Dec, 02 Dec). III. Event probabilities 30 Nov-02 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 29 Nov 070 Predicted 30 Nov-02 Dec 070/070/070 90 Day Mean 29 Nov 069 V. Geomagnetic A Indices Observed Afr/Ap 28 Nov 002/002 Estimated Afr/Ap 29 Nov 004/005 Predicted Afr/Ap 30 Nov-02 Dec 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 30 Nov-02 Dec 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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