Viewing archive of Tuesday, 28 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 28 2204 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 332 Issued at 2200Z on 28 Nov 2006

IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z

Solar activity was very low. Today's largest event was a B4 from Region 926 (S10E35) at 1510Z, which was accompanied by a type II radio sweep. Region 926 has a relatively simple magnetic configuration and does not appear to be growing at this time. Region 927 (N10E46) continues to grow steadily but only produced a few, low-level B-class events during the past 24 hours.
IB. Solar Activity Forecast
Solar activity is expected to be predominantly very low for the next three days (29 November - 1 December). There is a chance, however, for an isolated C-class event from 926 or 927.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
The geomagnetic field was mostly quiet during the past 24 hours. The greater than 2 MeV electron flux was at high levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be predominantly quiet for the next three days.
III. Event Probabilities 29 Nov to 01 Dec
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       28 Nov 086
  Predicted   29 Nov-01 Dec  085/085/085
  90 Day Mean        28 Nov 079
V. Geomagnetic A Indices
  Observed Afr/Ap 27 Nov  007/006
  Estimated     Afr/Ap 28 Nov  007/005
  Predicted    Afr/Ap 29 Nov-01 Dec  007/005-007/005-007/005
VI. Geomagnetic Activity Probabilities 29 Nov to 01 Dec
A. Middle Latitudes
Active15%15%15%
Minor storm05%05%05%
Major-severe storm05%05%05%
B. High Latitudes
Active15%15%15%
Minor storm05%05%05%
Major-severe storm05%05%05%

All times in UTC

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