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Solar activity report

Report of Solar-Geophysical Activity 2020 May 22 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 143 Issued at 2200Z on 22 May 2020

IA. Analysis of Solar Active Regions and Activity from 21-2100Z to 22-2100Z

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 (23 May, 24 May, 25 May).
IIA. Geophysical Activity Summary 21-2100Z to 22-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 377 km/s at 22/2021Z. Total IMF reached 6 nT at 22/1101Z. The maximum southward component of Bz reached -5 nT at 22/1408Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 153 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one, two, and three (23 May, 24 May, 25 May).
III. Event Probabilities 23 May to 25 May
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       22 May 071
  Predicted   23 May-25 May 071/071/071
  90 Day Mean        22 May 070

V. Geomagnetic A Indices
  Observed Afr/Ap 21 May  008/006
  Estimated     Afr/Ap 22 May  005/005
  Predicted    Afr/Ap 23 May-25 May  005/005-006/005-006/005

VI. Geomagnetic Activity Probabilities 23 May to 25 May
A. Middle Latitudes
Active05%05%05%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm15%15%15%
Major-severe storm05%05%10%

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