[ips-sf] SWS Summary Forecast for 31 December - issued 2301UT/30-Dec-2017 [SEC=UNCLASSIFIED]

[rwc]

Very low levels of solar activity is expected for today, 31 December.
The solar wind at Earth are expected to remain at background levels
for most part of today. The solar winds are expected to begin to
enhance again as a recurrent positive polarity Northern Hemisphere
coronal hole reaches geoeffective location on the solar disk. As a
result, the geomagnetic conditions could reach unsettled to active
levels associated with CIR formed with coronal hole. High-frequency
radio communication users are advised to use near 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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