[ips-sf] SWS Summary Forecast for 18 December - issued 0111UT/18-Dec-2017 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Mon Dec 18 12:11:05 EST 2017

Very low levels of solar activity is expected for today, 18 December.
The earth is currently under the influence of moderately elevated
solar winds emanating from equatorial coronal hole. As a result, the
geomagnetic conditions are expected to be between quiet to active
levels, and at times may reach minor storm levels today.
High-frequency radio communication users are advised to use slightly
lower than the monthly predicted frequencies, today. The CME
associated with the erupting filament that occurred around 15/1100 UT
from the southeast solar quadrant is may cause a weak glancing blow at
earth on early part of UT day 20 December.

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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