[ips-sf] IPS Summary Forecast for 24 January - issued 2332UT/23-Jan-2015

rwc rwc at ips.gov.au
Sat Jan 24 10:32:39 EST 2015

Active Region (AR) 2268 located near the Sun's eastern limb produced
the largest X-ray flare of the day, a modest C4.3 event peaking at
02:53 UT. AR 2268 is expected to produce more C class solar flares and
possibly a significant M class flare during Jan 24-25 UT. Hydrogen
alpha solar telescope images show a prominent filament approaching the
centre of the visible solar disk. This feature should be monitored in
case it erupts toward Earth. The solar wind speed has been fluctuating
in the range 400 km/s to 450 km/s. Another episode of fast solar wind
is expected to arrive during Jan 25-26. Geomagnetic conditions were
mostly quiet to unsettled in the Australian region during Jan 23. They
may reach active levels during Jan 25-26 due to the next episode of
fast solar wind. Australian region HF propagation conditions were near
to predicted monthly values during Jan 23. They are expected to be
moderately depressed today, Jan 24 UT.

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