Viewing archive of Saturday, 3 August 2019

Solar activity report

Report of Solar-Geophysical Activity 2019 Aug 03 2200 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 215 Issued at 2200Z on 03 Aug 2019

IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z

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 (04 Aug, 05 Aug, 06 Aug).
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 408 km/s at 03/0107Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on day one (04 Aug), unsettled to minor storm levels on day two (05 Aug) and quiet to minor storm levels on day three (06 Aug).
III. Event Probabilities 04 Aug to 06 Aug
Class M01%01%01%
Class X01%01%01%
IV. Penticton 10.7 cm Flux
  Observed       03 Aug 066
  Predicted   04 Aug-06 Aug 067/067/067
  90 Day Mean        03 Aug 069

V. Geomagnetic A Indices
  Observed Afr/Ap 02 Aug  004/004
  Estimated     Afr/Ap 03 Aug  004/004
  Predicted    Afr/Ap 04 Aug-06 Aug  011/012-018/025-015/020

VI. Geomagnetic Activity Probabilities 04 Aug to 06 Aug
A. Middle Latitudes
Minor storm05%15%10%
Major-severe storm01%01%01%
B. High Latitudes
Minor storm30%30%30%
Major-severe storm25%55%45%

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