[Ips-geo-warning] SWS GEOMAGNETIC WARNING issued 2338 UT on 25 Sep 2021

[rwc]

SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 21/29
ISSUED AT 2336UT/25 SEPTEMBER 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A northern polar coronal hole plus the possible arrival of a 
glancing blow from the 23 September CMEs, from two M-class flares, 
and the 24 September filament eruption CME is expected to increase 
the solar wind speed to moderately enhanced levels on UT days 
26-27 September. Geomagnetic activity is expected to be between 
quiet and active levels with possible minor to major storms. 
Auroras may be visible on the local nights of 26-27 September 
in Tasmania.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 26-27 SEPTEMBER 2021
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
26 Sep:  Quiet to active with possible minor storm periods
27 Sep:  Quiet to active with possible minor to major storm periods

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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