Viewing archive of Wednesday, 30 August 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 Aug 30 2204 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 242 Issued at 2200Z on 30 Aug 2006IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z Solar activity has been very low.
IB. Solar Activity Forecast
Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
The geomagnetic field has been quiet to unsettled. Solar wind speed
remains elevated due to a coronal hole high speed stream, however,
velocity is steadily decreasing as this coronal hole rotates out of
a geoeffective position.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet for the forecast period (31 August - 02
September). Towards the end of the forecast period another coronal
hole high speed stream will rotate into a geoeffective position and
its effects may be seen on day three of the forecast period though
the timing is imprecise.
III. Event Probabilities 31 Aug to 02 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 30 Aug 074 Predicted 31 Aug-02 Sep 075/075/070 90 Day Mean 30 Aug 077
V. Geomagnetic A Indices
Observed Afr/Ap 29 Aug 009/009 Estimated Afr/Ap 30 Aug 008/010 Predicted Afr/Ap 31 Aug-02 Sep 002/005-004/005-004/010
VI. Geomagnetic Activity Probabilities 31 Aug to 02 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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