[ips-sf] SWS Summary Forecast for 01 January - issued 2328UT/31-Dec-2017 [SEC=UNCLASSIFIED]

[rwc]

Very low levels of solar activity is expected for today, 1 Jan. The
solar wind at Earth are expected to enhance to moderately elevated
levels today in response to a recurrent positive polarity Northern
Hemisphere coronal hole which has reached geoeffective location on the
solar disk. As a result, the geomagnetic conditions could reach active
to minor storm levels associated with coronal hole effects. The aurora
may be visible on the local night of 1 Jan from Tasmania and Southern
Parts of Victoria Australia. High-frequency radio communication users
are advised to use slightly lower than the monthly predicted
frequencies, today.

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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