Viewing archive of Sunday, 6 January 2013
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 2013 Jan 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 6 Issued at 2200Z on 06 Jan 2013IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C3 event observed at
06/0303Z from Region 1653 (N09E63). There are currently 14 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be at low
levels with a chance for M-class flares on days one, two, and three (07
Jan, 08 Jan, 09 Jan).
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed,
as measured by the ACE spacecraft, reached a peak speed of 370 km/s at
06/2036Z. Total IMF reached 9.4 nT at 06/1629Z. The maximum southward
component of Bz reached -6.2 nT at 06/0803Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days 1-2 (07 Jan, 08 Jan). Quiet
levels are expected on day 3 (09 Jan).
III. Event Probabilities 07 Jan to 09 Jan
| Class M | 35% | 25% | 25% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Jan 142 Predicted 07 Jan-09 Jan 140/135/130 90 Day Mean 06 Jan 119
V. Geomagnetic A Indices
Observed Afr/Ap 05 Jan 001/002 Estimated Afr/Ap 06 Jan 003/003 Predicted Afr/Ap 07 Jan-09 Jan 006/008-006/008-006/005
VI. Geomagnetic Activity Probabilities 07 Jan to 09 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 05% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 10% |
| Major-severe storm | 15% | 15% | 05% |
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