[ips-sf] IPS Summary Forecast for 04 October - issued 2317UT/03-Oct-2015

[rwc]

There are presently no major sunspot groups on the visible solar disk.
Solar flare activity was low during 03 Oct UT, and it is expected to
remain low during the next 2 days. No new Earthward directed CMEs were
launched during 03 Oct. The solar wind speed is presently about 400
km/s and the solar wind particle density is about 8 per cubic cm. Fast
solar wind and the edge of the bright CMEs launched toward the west on
30 Sep may still arrive today, 04 Oct. A minor geomagnetic storm will
occur if these disturbances impact Earth. Conditions for HF radio wave
propagation will be moderately depressed during the next 2-3 days.

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

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