Viewing archive of Thursday, 13 June 2024

Solar activity report

Report of Solar-Geophysical Activity 2024 Jun 13 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 165 Issued at 2200Z on 13 Jun 2024

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

Solar activity has been at moderate levels for the past 24 hours. The largest solar event of the period was a M3 event observed at 13/1645Z from Region 3713 (S13E54). There are currently 8 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (14 Jun, 15 Jun, 16 Jun).
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 364 km/s at 12/2322Z. Protons greater than 10 MeV at geosynchronous orbit reached a peak level of 8 pfu at 13/0615Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 106 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on day one (14 Jun) and quiet to active levels on days two and three (15 Jun, 16 Jun). Protons greater than 10 Mev have a slight chance of crossing threshold on day one (14 Jun).
III. Event Probabilities 14 Jun to 16 Jun
Class M35%35%35%
Class X05%05%05%
Proton10%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       13 Jun 170
  Predicted   14 Jun-16 Jun 170/175/175
  90 Day Mean        13 Jun 176

V. Geomagnetic A Indices
  Observed Afr/Ap 12 Jun  006/006
  Estimated     Afr/Ap 13 Jun  004/005
  Predicted    Afr/Ap 14 Jun-16 Jun  006/005-010/012-013/015

VI. Geomagnetic Activity Probabilities 14 Jun to 16 Jun
A. Middle Latitudes
Active10%35%35%
Minor storm01%20%20%
Major-severe storm01%05%05%
B. High Latitudes
Active15%10%10%
Minor storm20%30%30%
Major-severe storm20%50%50%

All times in UTC

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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, Kuopio, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
The Disturbance Storm Time index predicts moderate storm conditions right now (-68nT)

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