Viewing archive of Friday, 12 August 2005

Solar activity report

Report of Solar-Geophysical Activity 2005 Aug 12 2203 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 224 Issued at 2200Z on 12 Aug 2005

IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z

Solar activity remained at very low levels. No appreciable activity was observed today. Region 797 (S13E42) did show growth in sunspot area during the period. No new regions were numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be at very low levels.
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
The geomagnetic field was at predominantly quiet levels. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels today.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at predominantly quiet to unsettled levels.
III. Event Probabilities 13 Aug to 15 Aug
Class M 01%01%01%
Class X 01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       12 Aug 076
  Predicted    13 Aug-15 Aug  075/070/070
  90 Day Mean        12 Aug 094
V. Geomagnetic A Indices
  Observed Afr/Ap 11 Aug  002/006
  Estimated     Afr/Ap 12 Aug  003/008
  Predicted     Afr/Ap 13 Aug-15 Aug  006/015-006/010-006/010
VI. Geomagnetic Activity Probabilities 13 Aug to 15 Aug
A. Middle Latitudes
Active15%15%15%
Minor storm 05%05%05%
Major-severe storm 01%01%01%
B. High Latitudes
Active25%20%20%
Minor storm 10%05%05%
Major-severe storm 05%01%01%

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