Viewing archive of Sunday, 26 November 2006

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 2006 Nov 26 2204 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 330 Issued at 2200Z on 26 Nov 2006 IA. Analysis of Solar Active Regions and Activity from 25/2100Z to 26/2100Z: Solar activity was at very low levels. Region 926 (S08E60) produced several B-class flares during the period. Analysis indicates that this region has a simple magnetic structure. No new regions were numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be at very low levels. There is a slight chance of an isolated C-class flare from Region 926.
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
The geomagnetic field was at quiet to active levels. A favorably positioned coronal hole is responsible for the elevated conditions. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels again today.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels. Isolated active periods are possible on 27 November as the coronal hole moves out of geoeffective position.
III. Event Probabilities 27 Nov to 29 Nov
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       26 Nov 078
  Predicted   27 Nov-29 Nov  080/080/080
  90 Day Mean        26 Nov 079
V. Geomagnetic A Indices
  Observed Afr/Ap 25 Nov  010/015
  Estimated     Afr/Ap 26 Nov  008/015
  Predicted    Afr/Ap 27 Nov-29 Nov  005/005-005/005-003/005
VI. Geomagnetic Activity Probabilities 27 Nov to 29 Nov
A. Middle Latitudes
Active15%15%15%
Minor storm05%05%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm05%05%05%
Major-severe storm01%01%01%

All times in UTC

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