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Solar activity report

Report of Solar-Geophysical Activity 2020 Jul 20 2200 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 202 Issued at 2200Z on 20 Jul 2020

IA. Analysis of Solar Active Regions and Activity from 19-2100Z to 20-2100Z

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 (21 Jul, 22 Jul, 23 Jul).
IIA. Geophysical Activity Summary 19-2100Z to 20-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 366 km/s at 20/0935Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 267 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one and two (21 Jul, 22 Jul) and quiet to unsettled levels on day three (23 Jul).
III. Event Probabilities 21 Jul to 23 Jul
Class M01%01%01%
Class X01%01%01%
IV. Penticton 10.7 cm Flux
  Observed       20 Jul 069
  Predicted   21 Jul-23 Jul 068/068/068
  90 Day Mean        20 Jul 069

V. Geomagnetic A Indices
  Observed Afr/Ap 19 Jul  004/005
  Estimated     Afr/Ap 20 Jul  004/004
  Predicted    Afr/Ap 21 Jul-23 Jul  006/005-006/005-006/008

VI. Geomagnetic Activity Probabilities 21 Jul to 23 Jul
A. Middle Latitudes
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Minor storm15%15%25%
Major-severe storm10%10%20%

All times in UTC

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