Solar activity report

Below you'll find a daily report brought to you by the NOAA about the solar activity and auroral activity during the past day and the prediction for the coming days. This page is daily updated around midnight.

Report of Solar-Geophysical Activity 2019 Dec 12 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 346 Issued at 2200Z on 12 Dec 2019

IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z

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 (13 Dec, 14 Dec, 15 Dec).
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 451 km/s at 12/0931Z. Total IMF reached 5 nT at 12/1146Z. The maximum southward component of Bz reached -3 nT at 12/0304Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one, two, and three (13 Dec, 14 Dec, 15 Dec).
III. Event Probabilities 13 Dec to 15 Dec
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       12 Dec 071
  Predicted   13 Dec-15 Dec 070/070/070
  90 Day Mean        12 Dec 069

V. Geomagnetic A Indices
  Observed Afr/Ap 11 Dec  003/003
  Estimated     Afr/Ap 12 Dec  005/004
  Predicted    Afr/Ap 13 Dec-15 Dec  006/005-006/005-006/005

VI. Geomagnetic Activity Probabilities 13 Dec to 15 Dec
A. Middle Latitudes
Active10%10%10%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active20%20%20%
Minor storm20%20%20%
Major-severe storm10%10%10%

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