[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 0348 UT on 17 Oct 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 25/81
ISSUED AT 0347UT/17 OCTOBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

G0-G1 geomagnetic conditions are expected for 17-Oct due to the 
possible late arrival of two CMEs. G0 with a chance of G1 are 
expected on 18-Oct. G0-G1 geomagnetic conditions are expected 
on 19-Oct as an equatorial coronal hole becomes geoeffective.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 17-19 OCTOBER 2025
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
17 Oct:  G0-G1
18 Oct:  G0, chance G1
19 Oct:  G0-G1

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