[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2341 UT on 24 Dec 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 17/62
ISSUED AT 2340UT/24 DECEMBER 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Earth is currently under the influence of a high speed stream 
from a negative polarity coronal hole. Geomagnetic activity at 
Quiet to Active levels and at times may reach up to Minor Storm 
levels should notable southward Bz periods eventuate on today 
25 Dec.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FOR 25 DECEMBER 2017
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
25 Dec:  Quiet 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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