Viewing archive of Saturday, 29 August 2020

Solar activity report

Report of Solar-Geophysical Activity 2020 Aug 29 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 242 Issued at 2200Z on 29 Aug 2020

IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z

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 (30 Aug, 31 Aug, 01 Sep).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 535 km/s at 29/0602Z. Total IMF reached 8 nT at 28/2210Z. The maximum southward component of Bz reached -6 nT at 28/2212Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 947 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (30 Aug, 31 Aug, 01 Sep).
III. Event Probabilities 30 Aug to 01 Sep
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       29 Aug 070
  Predicted   30 Aug-01 Sep 070/070/070
  90 Day Mean        29 Aug 070

V. Geomagnetic A Indices
  Observed Afr/Ap 28 Aug  008/011
  Estimated     Afr/Ap 29 Aug  013/015
  Predicted    Afr/Ap 30 Aug-01 Sep  010/012-013/012-011/012

VI. Geomagnetic Activity Probabilities 30 Aug to 01 Sep
A. Middle Latitudes
Active40%30%40%
Minor storm20%15%20%
Major-severe storm05%01%05%
B. High Latitudes
Active10%15%10%
Minor storm25%30%30%
Major-severe storm60%45%55%

All times in UTC

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