[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 0623 UT on 31 May 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 25/40
ISSUED AT 0621UT/31 MAY 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A fast, halo CME was recently observed leaving the Sun headed 
for Earth. This CME is anticipated to arrive on 01-Jun at around 
2100UT +/- 8 hours.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 01-03 JUNE 2025
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
01 Jun:  G3-G4, at the end of the UT day.
02 Jun:  G4
03 Jun:  G2-G3

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