Viewing archive of Tuesday, 11 June 2019

Solar activity report

Report of Solar-Geophysical Activity 2019 Jun 11 2200 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 162 Issued at 2200Z on 11 Jun 2019

IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z

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 (12 Jun, 13 Jun, 14 Jun).
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 354 km/s at 10/2110Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at unsettled to active levels on day one (12 Jun), quiet to unsettled levels on day two (13 Jun) and quiet levels on day three (14 Jun).
III. Event Probabilities 12 Jun to 14 Jun
Class M01%01%01%
Class X01%01%01%
IV. Penticton 10.7 cm Flux
  Observed       11 Jun 070
  Predicted   12 Jun-14 Jun 070/070/070
  90 Day Mean        11 Jun 072

V. Geomagnetic A Indices
  Observed Afr/Ap 10 Jun  004/004
  Estimated     Afr/Ap 11 Jun  007/008
  Predicted    Afr/Ap 12 Jun-14 Jun  013/015-008/008-005/005

VI. Geomagnetic Activity Probabilities 12 Jun to 14 Jun
A. Middle Latitudes
Minor storm25%05%01%
Major-severe storm05%01%01%
B. High Latitudes
Minor storm30%30%20%
Major-severe storm50%20%15%

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