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Solar activity report

Report of Solar-Geophysical Activity 2022 Dec 05 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 339 Issued at 2200Z on 05 Dec 2022

IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C1 event observed at 05/0151Z from Region 3156 (N24E29). There are currently 5 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (06 Dec, 07 Dec, 08 Dec).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 547 km/s at 05/0710Z. Total IMF reached 5 nT at 05/0057Z. The maximum southward component of Bz reached -4 nT at 05/1057Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2607 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on day one (06 Dec), quiet to active levels on day two (07 Dec) and quiet to minor storm levels on day three (08 Dec).
III. Event Probabilities 06 Dec to 08 Dec
Class M40%40%40%
Class X10%10%10%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       05 Dec 150
  Predicted   06 Dec-08 Dec 150/150/150
  90 Day Mean        05 Dec 131

V. Geomagnetic A Indices
  Observed Afr/Ap 04 Dec  010/017
  Estimated     Afr/Ap 05 Dec  008/008
  Predicted    Afr/Ap 06 Dec-08 Dec  006/005-009/012-016/020

VI. Geomagnetic Activity Probabilities 06 Dec to 08 Dec
A. Middle Latitudes
Active10%30%40%
Minor storm01%10%25%
Major-severe storm01%01%05%
B. High Latitudes
Active15%15%05%
Minor storm20%30%20%
Major-severe storm20%40%65%

All times in UTC

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