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Solar activity report

Report of Solar-Geophysical Activity 2020 Apr 08 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 99 Issued at 2200Z on 08 Apr 2020

IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z

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 (09 Apr, 10 Apr, 11 Apr).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 513 km/s at 08/1906Z. Total IMF reached 12 nT at 08/1338Z. The maximum southward component of Bz reached -9 nT at 08/0227Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 371 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (09 Apr, 10 Apr) and quiet to active levels on day three (11 Apr).
III. Event Probabilities 09 Apr to 11 Apr
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       08 Apr 070
  Predicted   09 Apr-11 Apr 070/070/070
  90 Day Mean        08 Apr 071

V. Geomagnetic A Indices
  Observed Afr/Ap 07 Apr  003/004
  Estimated     Afr/Ap 08 Apr  012/014
  Predicted    Afr/Ap 09 Apr-11 Apr  009/008-007/008-010/012

VI. Geomagnetic Activity Probabilities 09 Apr to 11 Apr
A. Middle Latitudes
Active20%20%35%
Minor storm05%05%10%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm30%30%30%
Major-severe storm25%25%45%

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