[ips-sf] IPS Summary Forecast for 20 December - issued 0117UT/20-Dec-2014

[rwc]

Expect moderate to high solar activity. Two CMEs are expected to
arrive at Earth, one early today, 20 December, and the other tomorrow,
21 December. There is a possibility of aurora being observed in
southern latitudes such as Tasmania at local night time hours on 20
and 21 December. An X-class flare occurred at 0027UT this morning and
may result in additional geomagnetic activity in the coming days, will
keep you updated as more data becomes available. The solar wind is
presently light, but expected to increase to moderate after impact.
Short-wave radio fadeouts likely. High-frequency radio communications
normal at this time.

IPS Radio and Space Services        email: asfc at ips.gov.au
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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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