[ips-sf] IPS Summary Forecast for 20 July - issued 2346UT/19-Jul-2013

rwc rwc at ips.gov.au
Sat Jul 20 09:46:13 EST 2013

Solar activity is expected to be Low, with only a slight chance of
significant flares. A high speed solar wind stream continues to
elevate solar wind speed to near 600km/s, however it is now in
decline. Geomagnetic activity is at Quiet to Unsettled levels. There
remains a chance that a CME observed on 16-Jul will impact sometime
today, despite being more than 24 hours past the modelled arrival
time, which could increase geomagnetic activity to Active and produce
isolated Minor Storm periods at high latitudes. Some degraded HF
conditions are possible today, particularly at high latitudes.

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