[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2240 UT on 31 Dec 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 17/63
ISSUED AT 2239UT/31 DECEMBER 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Magnetic conditions could reach active to minor storm levels 
on 1 Jan and mostly to unsettled to active levels on 2 Jan. The 
forecasted active conditions are due to a recurrent positive 
polarity Northern Hemisphere coronal hole which has reached geoeffective 
location on the solar disk. The aurora may be visible on the 
local night of 1 Jan from Tasmania and southern parts of Victoria 
Australia.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 01-02 JANUARY 2018
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
01 Jan:  Active
02 Jan:  Unsettled to 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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