[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2258 UT on 15 Dec 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 17/61
ISSUED AT 2258UT/15 DECEMBER 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A high speed stream from a recurrent positive equatorial coronal 
hole is expected to start affecting earth from UT day 17 Dec. 
The geomagnetic activity is expected reach active levels on UT 
day 17 and 18 December and at times may reach up to minor storm 
levels. There is some possibility that aurora may be visible 
on the local night of 17 December from Tasmania and southern 
parts of Victoria, Australia.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 17-18 DECEMBER 2017
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
17 Dec:  Active
18 Dec:  Unsettled

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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