Viewing archive of Thursday, 24 June 2010
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 2010 Jun 24 2201 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 175 Issued at 2200Z on 24 Jun 2010IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z Solar activity was very low. Region 1082 (N27W65) was
quiet and stable.
IB. Solar Activity Forecast
Solar activity is expected to remain
at very low levels with a slight chance for an isolated C-class
event through days one and two (25 - 26 June) as Region 1082 rotates
around the limb.
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be predominately quiet through late on day one (25
June). Field activity is expected to increase to unsettled to
active levels, with a slight chance of isolated minor storm periods,
the remainder of day one through day three (26 - 27 June). The
increase in activity is due to a recurrent coronal hole high speed
stream.
III. Event Probabilities 25 Jun to 27 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Jun 074 Predicted 25 Jun-27 Jun 075/076/077 90 Day Mean 24 Jun 075
V. Geomagnetic A Indices
Observed Afr/Ap 23 Jun 002/004 Estimated Afr/Ap 24 Jun 002/005 Predicted Afr/Ap 25 Jun-27 Jun 008/008-015/015-012/012
VI. Geomagnetic Activity Probabilities 25 Jun to 27 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 25% | 20% |
| Minor storm | 01% | 15% | 10% |
| Major-severe storm | 01% | 05% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 30% | 25% |
| Minor storm | 01% | 20% | 15% |
| Major-severe storm | 01% | 05% | 05% |
All times in UTC
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