Viewing archive of Thursday, 13 January 2022

Solar activity report

Report of Solar-Geophysical Activity 2022 Jan 13 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 13 Issued at 2200Z on 13 Jan 2022

IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C2 event observed at 13/1142Z. There are currently 7 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be low on days one, two, and three (14 Jan, 15 Jan, 16 Jan).
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 535 km/s at 13/1536Z. Total IMF reached 6 nT at 13/0111Z. The maximum southward component of Bz reached -4 nT at 13/2007Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 137 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on day one (14 Jan), quiet to minor storm levels on day two (15 Jan) and unsettled to minor storm levels on day three (16 Jan).
III. Event Probabilities 14 Jan to 16 Jan
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       13 Jan 106
  Predicted   14 Jan-16 Jan 106/108/110
  90 Day Mean        13 Jan 095

V. Geomagnetic A Indices
  Observed Afr/Ap 12 Jan  003/002
  Estimated     Afr/Ap 13 Jan  003/003
  Predicted    Afr/Ap 14 Jan-16 Jan  006/005-011/014-018/024

VI. Geomagnetic Activity Probabilities 14 Jan to 16 Jan
A. Middle Latitudes
Active10%40%40%
Minor storm01%30%30%
Major-severe storm01%10%10%
B. High Latitudes
Active15%10%05%
Minor storm20%25%20%
Major-severe storm20%65%70%

All times in UTC

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Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Reykjavik

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu, Rovaniemi, Sodankylä
Trondheim
Kiruna, Luleå, Sundsvall, Umeå
The solar wind speed is currently moderately high (524.7 km/sec.)
The direction of the interplanetary magnetic field is slightly South (-5nT).
The maximum X-ray flux of the past two hours is:
M1.57
A southern hemisphere coronal hole was detected in an earth-facing position on Tuesday, 8 April 2025

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