[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2346 UT on 05 Dec 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 17/60
ISSUED AT 2345UT/05 DECEMBER 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Due to the effect of a high speed solar wind stream from a recurrent 
positive polarity coronal hole, geomagnetic activity may stay 
high up to minor storm levels with a small possibility of isolated 
major storm periods on 6 December and the first half of 7 December.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 06-07 DECEMBER 2017
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
06 Dec:  Mostly unsettled to minor storm, isolated periods of major storm
possible
07 Dec:  Mostly unsettled to active, isolated periods of minor storm possible

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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