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Solar activity report

Report of Solar-Geophysical Activity 2019 Apr 01 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 91 Issued at 2200Z on 01 Apr 2019

IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (02 Apr, 03 Apr, 04 Apr).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 426 km/s at 31/2337Z. Total IMF reached 7 nT at 01/0741Z. The maximum southward component of Bz reached -6 nT at 01/0738Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 122 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (02 Apr, 03 Apr, 04 Apr).
III. Event Probabilities 02 Apr to 04 Apr
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       01 Apr 069
  Predicted   02 Apr-04 Apr 070/070/070
  90 Day Mean        01 Apr 071

V. Geomagnetic A Indices
  Observed Afr/Ap 31 Mar  009/010
  Estimated     Afr/Ap 01 Apr  010/013
  Predicted    Afr/Ap 02 Apr-04 Apr  007/008-008/010-007/010

VI. Geomagnetic Activity Probabilities 02 Apr to 04 Apr
A. Middle Latitudes
Active20%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm25%30%30%
Major-severe storm25%30%30%

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