[ips-sf] SWS Summary Forecast for 31 July - issued 2311UT/30-Jul-2017 [SEC=UNCLASSIFIED]

[rwc]

There is some chance of C-class flares today, 31 July, due to
returning active region 2655. The solar wind speeds are near nominal
levels of 320 km/s, however, are expected to increase from later
today, associated with a recurrent equatorial coronal hole reaching
geoeffective location on the solar disk. The geomagnetic conditions at
Earth today are expected to be mostly at unsettled levels and at times
reaching active levels due to the anticipated arrival of the
corotating interaction region associated with the coronal hole.
High-frequency radio communication users over the Australian region
are advised to use near monthly predicted frequencies.

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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