Viewing archive of Friday, 23 September 2016

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2016 Sep 23 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 267 Issued at 2200Z on 23 Sep 2016

IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 3 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (24 Sep, 25 Sep, 26 Sep).
IIA. Geophysical Activity Summary 22-2100Z to 23-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 456 km/s at 22/2107Z. Total IMF reached 6 nT at 23/2045Z. The maximum southward component of Bz reached -1 nT at 23/0430Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 516 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on day one (24 Sep), quiet to unsettled levels on day two (25 Sep) and quiet to active levels on day three (26 Sep).
III. Event Probabilities 24 Sep to 26 Sep
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       23 Sep 086
  Predicted   24 Sep-26 Sep 085/090/090
  90 Day Mean        23 Sep 086

V. Geomagnetic A Indices
  Observed Afr/Ap 22 Sep  004/004
  Estimated     Afr/Ap 23 Sep  005/005
  Predicted    Afr/Ap 24 Sep-26 Sep  006/005-008/008-013/018

VI. Geomagnetic Activity Probabilities 24 Sep to 26 Sep
A. Middle Latitudes
Active10%15%25%
Minor storm01%01%05%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm15%20%20%
Major-severe storm15%20%20%

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

Whitehorse, YT
Fairbanks, AK

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

Edmonton, AB, Gillam, MB, Saskatoon, SK, Yellowknife, NT
Anchorage, AK, Juneau, AK

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