[ips-sf] SWS Summary Forecast for 14 July - issued 2339UT/13-Jul-2016 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Thu Jul 14 09:39:49 EST 2016

Solar activity was very low during 13 July UT and it is expected to
remain very low to low during the next 2 days. There is the
possibility of a C-class flare. Active Region 2562 (S05W00) produced a
weak B4.3 flare peaking at 14:44 UT. The Solar Dynamics Observatory
AIA imager recorded a filament eruption heading south from AR 2562 at
the time of the B4.3 flare. This filament eruption is probably not
Earthward directed. However, SOHO spacecraft coronograph images are
not available to confirm this preliminary assessment. The solar wind
speed decreased from about 600 km/s to 500 km/s during 13 July. The
solar wind speed may increase again later today, 14 July, due to the
arrival of fast wind from Coronal Hole 746. A brief, minor geomagnetic
storm is possible during 14-15 July. The 3-day outlook is for
geomagnetic activity to decline from unsettled to active levels to
persistently quiet levels. Conditions for HF radio wave propagation
are expected to be mildly depressed to near normal today, 14 July.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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