Viewing archive of Saturday, 8 June 2019

Solar activity report

Report of Solar-Geophysical Activity 2019 Jun 08 2200 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 159 Issued at 2200Z on 08 Jun 2019

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 Jun, 10 Jun, 11 Jun).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 427 km/s at 08/2059Z. Total IMF reached 20 nT at 08/1522Z. The maximum southward component of Bz reached -17 nT at 08/1542Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 181 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at unsettled to minor storm levels on day one (09 Jun) and quiet to unsettled levels on days two and three (10 Jun, 11 Jun).
III. Event Probabilities 09 Jun to 11 Jun
Class M01%01%01%
Class X01%01%01%
IV. Penticton 10.7 cm Flux
  Observed       08 Jun 068
  Predicted   09 Jun-11 Jun 068/068/068
  90 Day Mean        08 Jun 072

V. Geomagnetic A Indices
  Observed Afr/Ap 07 Jun  006/004
  Estimated     Afr/Ap 08 Jun  012/020
  Predicted    Afr/Ap 09 Jun-11 Jun  015/020-010/010-008/008

VI. Geomagnetic Activity Probabilities 09 Jun to 11 Jun
A. Middle Latitudes
Minor storm25%05%05%
Major-severe storm05%01%01%
B. High Latitudes
Minor storm25%25%20%
Major-severe storm65%30%25%

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