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Solar activity report

Report of Solar-Geophysical Activity 2019 Dec 09 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 343 Issued at 2200Z on 09 Dec 2019

IA. Analysis of Solar Active Regions and Activity from 08-2100Z to 09-2100Z

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 (10 Dec, 11 Dec, 12 Dec).
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 384 km/s at 08/2208Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 137 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one, two, and three (10 Dec, 11 Dec, 12 Dec).
III. Event Probabilities 10 Dec to 12 Dec
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       09 Dec 071
  Predicted   10 Dec-12 Dec 070/070/070
  90 Day Mean        09 Dec 069

V. Geomagnetic A Indices
  Observed Afr/Ap 08 Dec  002/002
  Estimated     Afr/Ap 09 Dec  008/008
  Predicted    Afr/Ap 10 Dec-12 Dec  006/005-006/005-006/005

VI. Geomagnetic Activity Probabilities 10 Dec to 12 Dec
A. Middle Latitudes
Active10%10%10%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm15%15%15%
Major-severe storm10%10%10%

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