[NLRS] Aurora ?
W0ZQ at aol.com
W0ZQ at aol.com
Sun Jan 16 09:21:48 EST 2005
A follow up from Scott's posting. This is from _http://www.dxlc.com/solar/_
(http://www.dxlc.com/solar/)
Coronal mass ejections (CMEs)
January 15: At least two fully Earth directed CMEs were launched during the
day. The first one was associated with a long duration M8 event in region
10720 after 06h UTC. This was a fast and large CME and is likely to impact Earth
during the latter half of January 16 and cause major to very severe
geomagnetic storming. The second significant CME was launched during the the X2 long
duration event in region 10720 late in the day. Again this was a large and
fast CME and will likely reach Earth on January 17 and extend the disturbance
already in progress.
Forecast
The geomagnetic field is expected to be quiet to unsettled during the first
half of January 16. Sometime during the latter half of the day a CME is
likely to impact Earth and cause major to very severe geomagnetic storming. This
geomagnetic storm will continue on January 17 and be extended by another CME
reaching the Earth sometime during the day. Further major CMEs are likely from
region 10720 over the next days and the geomagnetic field is likely to
remain at storm levels for several days. Radio propagation over polar and near
polar paths will become severely degraded due to the storm and the proton levels.
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