[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 2220 UT on 27 Nov 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 23/72
ISSUED AT 2219UT/27 NOVEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A CME associated with a large filament eruption was first observed 
from 27/0724 UT. The bulk of this CME is has been modelled to 
mostly pass underneath Earth, but a glancing blow is likely on 
30-Nov from 0600 UT +/- 8 hours. Most impacts are 
expected on 30-Nov, but if there is an earlier than predicted 
arrival then some impacts may be observed on late 29-Nov.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 30 NOVEMBER 2023 TO 01 DECEMBER 2023
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GEOMAGNETIC ACTIVITY FORECAST
30 Nov:  G0-G1, slight chance G2
01 Dec:  G0, chance G1

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au