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Solar activity report

Report of Solar-Geophysical Activity 2021 Jun 02 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 153 Issued at 2200Z on 02 Jun 2021

IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 2 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (03 Jun, 04 Jun, 05 Jun).
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 330 km/s at 02/1258Z. Total IMF reached 7 nT at 02/1431Z. The maximum southward component of Bz reached -4 nT at 02/1425Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 211 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (03 Jun, 04 Jun) and quiet levels on day three (05 Jun).
III. Event Probabilities 03 Jun to 05 Jun
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       02 Jun 076
  Predicted   03 Jun-05 Jun 075/075/075
  90 Day Mean        02 Jun 077

V. Geomagnetic A Indices
  Observed Afr/Ap 01 Jun  003/002
  Estimated     Afr/Ap 02 Jun  006/009
  Predicted    Afr/Ap 03 Jun-05 Jun  007/008-008/008-005/005

VI. Geomagnetic Activity Probabilities 03 Jun to 05 Jun
A. Middle Latitudes
Active15%15%10%
Minor storm05%05%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm25%25%20%
Major-severe storm25%25%10%

All times in UTC

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