Viewing archive of Sunday, 5 January 2014
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 2014 Jan 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 5 Issued at 2200Z on 05 Jan 2014IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z
Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M1 event observed at
04/2252Z from Region 1936 (S15W90). There are currently 7 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be moderate
with a chance for X-class flares on days one, two, and three (06 Jan, 07
Jan, 08 Jan).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
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 505 km/s at
05/0329Z. Total IMF reached 5 nT at 04/2256Z. The maximum southward
component of Bz reached -4 nT at 05/0635Z. Electrons greater than 2 MeV
at geosynchronous orbit reached a peak level of 694 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on day one (06 Jan), quiet to minor storm levels
on day two (07 Jan) and unsettled to active levels on day three (08
Jan). Protons have a chance of crossing threshold on days one, two, and
three (06 Jan, 07 Jan, 08 Jan).
III. Event Probabilities 06 Jan to 08 Jan
| Class M | 75% | 75% | 75% |
| Class X | 30% | 30% | 30% |
| Proton | 30% | 30% | 30% |
| PCAF | yellow | ||
IV. Penticton 10.7 cm Flux
Observed 05 Jan 218 Predicted 06 Jan-08 Jan 220/220/215 90 Day Mean 05 Jan 148
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jan 006/004 Estimated Afr/Ap 05 Jan 004/005 Predicted Afr/Ap 06 Jan-08 Jan 006/005-011/015-015/018
VI. Geomagnetic Activity Probabilities 06 Jan to 08 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 30% | 25% |
| Minor storm | 01% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 10% | 15% |
| Minor storm | 15% | 20% | 30% |
| Major-severe storm | 05% | 40% | 35% |
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
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