[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2336 UT on 20 Mar 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 17/12
ISSUED AT 2335UT/20 MARCH 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

The effect of a high speed solar wind stream from a positive 
polarity recurrent coronal hole is expected to raise geomagnetic 
activity to active levels on 22 March with some possibility of 
isolated minor storm periods on this day. Geomagnetic activity 
is then expected to remain enhanced to 'active to minor storm' 
levels on 23 March.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 22-23 MARCH 2017
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
22 Mar:  Unsettled to Active
23 Mar:  Unsettled to minor storm

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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