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Solar activity report

Report of Solar-Geophysical Activity 2023 Feb 06 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 37 Issued at 2200Z on 06 Feb 2023

IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C7 event observed at 06/1212Z from Region 3211 (S17W57). There are currently 9 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (07 Feb, 08 Feb, 09 Feb).
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 521 km/s at 06/2008Z. Total IMF reached 13 nT at 06/0532Z. The maximum southward component of Bz reached -11 nT at 06/0459Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 143 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on day one (07 Feb) and quiet to unsettled levels on days two and three (08 Feb, 09 Feb).
III. Event Probabilities 07 Feb to 09 Feb
Class M15%15%15%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       06 Feb 158
  Predicted   07 Feb-09 Feb 160/158/158
  90 Day Mean        06 Feb 153

V. Geomagnetic A Indices
  Observed Afr/Ap 05 Feb  003/004
  Estimated     Afr/Ap 06 Feb  013/016
  Predicted    Afr/Ap 07 Feb-09 Feb  012/016-011/012-007/008

VI. Geomagnetic Activity Probabilities 07 Feb to 09 Feb
A. Middle Latitudes
Active30%25%20%
Minor storm10%10%05%
Major-severe storm01%01%01%
B. High Latitudes
Active10%15%20%
Minor storm25%30%30%
Major-severe storm40%35%25%

All times in UTC

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