[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2348 UT on 01 Nov 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 18/23
ISSUED AT 2347UT/01 NOVEMBER 2018
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Geomagnetic activity is expected to reach active to minor storm 
levels on UT day 03 November and active levels on 04 November. 
The disturbance is due to the expected arrival of CIR and HSS 
associated with a large recurrent equatorial coronal hole. The 
approaching coronal hole has produced solar winds reaching 650 
km/s at the location of STEREO-A. Similar effects are expected 
at Earth. The aurora may be visible on the local nights of the 
UT day 03-04 November from Tasmania and coastline of Victoria.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 03-04 NOVEMBER 2018
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
03 Nov:  Active
04 Nov:  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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