[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2347 UT on 19 Dec 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 16/56
ISSUED AT 2347UT/19 DECEMBER 2016
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Expected strengthening in solar wind stream due to the effect 
of two coronal holes may result in enhancements in geomagnetic 
activity levels to Active on 20 December and to Minor Storm on 
21 and 22 December.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 20-22 DECEMBER 2016
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
20 Dec:  Quiet to Active
21 Dec:  Unsettled to Minor Storm
22 Dec:  Active to Minor Storm

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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