Viewing archive of Friday, 13 June 2008
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 2008 Jun 13 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 165 Issued at 2200Z on 13 Jun 2008IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z Solar activity was at very low levels. Region 998
(S10E12) decayed slightly in area from 30 millionths to 20
millionths during the summary period.
IB. Solar Activity Forecast
Solar activity is expected to remain
at very low levels.
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic field was at quiet levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to remain at quiet levels for days one and two (14 and 15
June) of the forecast period. Conditions are expected to increase
to quiet to unsettled levels with a slight chance of isolated active
periods on day three (16 June) due to a coronal hole high speed
stream rotating into a geoeffective position.
III. Event Probabilities 14 Jun to 16 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 13 Jun 067 Predicted 14 Jun-16 Jun 067/067/067 90 Day Mean 13 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 12 Jun 002/003 Estimated Afr/Ap 13 Jun 002/005 Predicted Afr/Ap 14 Jun-16 Jun 005/005-005/005-010/010
VI. Geomagnetic Activity Probabilities 14 Jun to 16 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 20% |
| Minor storm | 01% | 01% | 15% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 20% |
| Minor storm | 01% | 01% | 15% |
| Major-severe storm | 01% | 01% | 01% |
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