[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 0010 UT on 29 Dec 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 16/58
ISSUED AT 0010UT/29 DECEMBER 2016
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A recurrent equatorial coronal hole will soon reach geoeffective 
location on the solar disk. The size of the current coronal hole 
is relatively larger compared to its characteristics during the 
previous rotation. The co-rotating interaction region and subsequent 
high speed streams associated with the coronal hole is expected 
to affect Earth from late 30 December. Auroras may be visible 
on the local nights of 30 and 31 December in Tasmania and possibly 
from the coastline of Victoria.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 30-31 DECEMBER 2016
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
30 Dec:  Active
31 Dec:  Active

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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