Viewing archive of Friday, 22 June 2007
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 2007 Jun 22 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 173 Issued at 2200Z on 22 Jun 2007IA. Analysis of Solar Active Regions and Activity from 21-2100Z to 22-2100Z Solar activity was very low. The visible disk remains
spotless.
IB. Solar Activity Forecast
Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 21-2100Z to 22-2100Z
The geomagnetic field has ranged from quiet to active due to a
recurrent coronal hole high speed stream.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to range from quiet to unsettled for the forecast period,
23 - 25 June. Isolated active periods are possible.
III. Event Probabilities 23 Jun to 25 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 22 Jun 065 Predicted 23 Jun-25 Jun 068/068/070 90 Day Mean 22 Jun 074
V. Geomagnetic A Indices
Observed Afr/Ap 21 Jun 008/014 Estimated Afr/Ap 22 Jun 010/015 Predicted Afr/Ap 23 Jun-25 Jun 008/010-006/008-006/008
VI. Geomagnetic Activity Probabilities 23 Jun to 25 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 25% |
| Minor storm | 15% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 35% | 30% | 30% |
| Minor storm | 20% | 15% | 15% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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