Viewing archive of Friday, 14 January 2005
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 2005 Jan 14 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 014 Issued at 2200Z on 14 Jan 2005IA. Analysis of Solar Active Regions and Activity from 13-2100Z to 14-2100Z Solar activity was moderate. Region 720 (N13E10)
produced an M1.8/Sf flare at 14/1411Z and an M1.5 flare at 14/1757Z.
Region 718 (S05W06) produced an M1.0 flare at 14/1606Z. Region 720
has increased in area to 1540 millionths and is a beta delta
magnetic class. Region 718 has also increased in area to 250
millionths.
IB. Solar Activity Forecast
Solar activity is expected to be
moderate to high. Region 720 is capable of producing multiple
M-class events and possibly an X-class event. Region 718 has also
shown the capability of producing M-class events.
IIA. Geophysical Activity Summary 13-2100Z to 14-2100Z
The geomagnetic field was quiet to unsettled with isolated active
periods due to prolonged periods of southward Bz. Solar wind speed
at ACE has decreased to approximately 560 km/s during the reporting
period. The greater than 2 MeV electron flux at geosynchronous
orbit reached high levels again today.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet to unsettled with a slight chance for isolated
active periods.
III. Event Probabilities 15 Jan to 17 Jan
| Class M | 85% | 85% | 85% |
| Class X | 25% | 25% | 25% |
| Proton | 10% | 10% | 10% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 14 Jan 130 Predicted 15 Jan-17 Jan 135/135/140 90 Day Mean 14 Jan 106
V. Geomagnetic A Indices
Observed Afr/Ap 13 Jan 010/013 Estimated Afr/Ap 14 Jan 008/008 Predicted Afr/Ap 15 Jan-17 Jan 005/008-005/008-005/010
VI. Geomagnetic Activity Probabilities 15 Jan to 17 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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