Viewing archive of Friday, 29 January 2021

Solar activity report

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

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 29 Issued at 2200Z on 29 Jan 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 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 Jan, 31 Jan, 01 Feb).
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 422 km/s at 29/0144Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 3847 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on day one (30 Jan), quiet to unsettled levels on day two (31 Jan) and quiet to minor storm levels on day three (01 Feb).
III. Event Probabilities 30 Jan to 01 Feb
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       29 Jan 076
  Predicted   30 Jan-01 Feb 075/074/074
  90 Day Mean        29 Jan 084

V. Geomagnetic A Indices
  Observed Afr/Ap 28 Jan  003/002
  Estimated     Afr/Ap 29 Jan  004/004
  Predicted    Afr/Ap 30 Jan-01 Feb  005/005-007/008-013/018

VI. Geomagnetic Activity Probabilities 30 Jan to 01 Feb
A. Middle Latitudes
Active10%15%40%
Minor storm01%05%25%
Major-severe storm01%01%01%
B. High Latitudes
Active20%15%10%
Minor storm20%20%20%
Major-severe storm10%20%60%

All times in UTC

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