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Solar activity report

Report of Solar-Geophysical Activity 2021 Jun 10 0015 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 160 Issued at 2200Z on 09 Jun 2021

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

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 09/1159Z. There are currently 2 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low with a slight chance for a C-class flare on days one, two, and three (10 Jun, 11 Jun, 12 Jun).
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 433 km/s at 08/2215Z. Total IMF reached 3 nT at 08/2227Z. The maximum southward component of Bz reached -2 nT. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 149 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one, two, and three (10 Jun, 11 Jun, 12 Jun).
III. Event Probabilities 10 Jun to 12 Jun
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       09 Jun 079
  Predicted   10 Jun-12 Jun 078/075/075
  90 Day Mean        09 Jun 076

V. Geomagnetic A Indices
  Observed Afr/Ap 08 Jun  005/005
  Estimated     Afr/Ap 09 Jun 004/004
  Predicted    Afr/Ap 10 Jun-12 Jun 007/005-007/005-006/005

VI. Geomagnetic Activity Probabilities 10 Jun to 12 Jun
A. Middle Latitudes
Active10%10%10%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm20%20%20%
Major-severe storm10%10%10%

All times in UTC

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