[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 2341 UT on 01 Sep 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 25/63
ISSUED AT 2340UT/01 SEPTEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A strong shock was observed in the solar wind at 01/2027UT, indicative 
of the arrival of a halo CME first observed on 30-Aug. A subsequent 
weak sudden impulse (45nT) was detected in BOM magnetometer data 
at 01/2059UT, indicative of the CME arrival at Earth. G2-G3 geomagnetic 
conditions are expected on 02-Sep.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 02-03 SEPTEMBER 2025
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
02 Sep:  G2-G3
03 Sep:  G0-G1

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