[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2358 UT on 17 Mar 2021

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 21/11
ISSUED AT 2357UT/17 MARCH 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A large Southern Polar coronal hole with low latitude extensions 
will become geoeffective with the CIR possibly arriving from 
late on UT day 19 March, causing unsettled to active conditions. 
The HSS from the coronal hole is expected to follow on UT day 
20 March, causing active conditions with the possibility of a 
G1 minor storm. Active conditions are expected to continue on 
21 March, Auroras may be visible from Tasmania at night on 19-20 
March.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 19-21 MARCH 2021
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
19 Mar:  Quiet to Active
20 Mar:  Active with the possibility of a G1 minor storm
21 Mar:  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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