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Solar activity report

Report of Solar-Geophysical Activity 2021 Mar 29 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 88 Issued at 2200Z on 29 Mar 2021

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 1 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 Mar, 31 Mar, 01 Apr).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 377 km/s at 28/2149Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 769 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (30 Mar, 31 Mar) and quiet levels on day three (01 Apr).
III. Event Probabilities 30 Mar to 01 Apr
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       29 Mar 074
  Predicted   30 Mar-01 Apr 075/075/074
  90 Day Mean        29 Mar 076

V. Geomagnetic A Indices
  Observed Afr/Ap 28 Mar  004/003
  Estimated     Afr/Ap 29 Mar  005/005
  Predicted    Afr/Ap 30 Mar-01 Apr  007/008-009/010-006/005

VI. Geomagnetic Activity Probabilities 30 Mar to 01 Apr
A. Middle Latitudes
Active15%20%10%
Minor storm05%05%01%
Major-severe storm01%01%01%
B. High Latitudes
Active20%20%15%
Minor storm25%25%15%
Major-severe storm20%25%05%

All times in UTC

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