[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 0420 UT on 05 Oct 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 18/22
ISSUED AT 0417UT/05 OCTOBER 2018
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Geomagnetic activity is expected to increase to active levels 
on UT day 7 Oct and to minor storm levels on 8 Oct. There is 
a remote chance that for short periods the geomagnetic activity 
may even reach major storm levels during this interval. The disturbance 
is due to the expected arrival of CIR and HSS associated with 
a large recurrent positive polarity north polar connected coronal 
hole. The aurora may be visible on the local nights of the 7 
and 8 October from Tasmania, coastline of Victoria and Southwest 
coast of Western Australia.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 07-09 OCTOBER 2018
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
07 Oct:  Active
08 Oct:  Minor Storm
09 Oct:  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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