[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2345 UT on 28 Oct 2021

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 21/33
ISSUED AT 2344UT/28 OCTOBER 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

AR2887 produced X1.0 flare at 28/1535 UT, which triggered a halo 
CME. The CME is expected to arrive at Earth in the first half 
of UT day 30 October. As a result, the geomagnetic conditions 
are expected to reach major storm levels with a chance of severe 
storm periods. The global Kp index is expected to reach 6 (G2 
storms), with a chance of 7 (G3 storms). On the local night of 
30 October (and maybe 31 October), aurora may be visible from 
Tasmania, the coastline of Victoria and the southwest coast of 
Western Australia.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 30-31 OCTOBER 2021
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
30 Oct:  Active to Minor Storm
31 Oct:  Active 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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