[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 0718 UT on 13 Sep 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 26/55
ISSUED AT 0717UT/13 SEPTEMBER 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A coronal hole is expected to connect with the earth either on 
late 13-Sep or else on 14-Sep, causing G1 geomagnetic conditions. 
A second coronal hole is expected to connect later on 14-Sep, causing 
G2 geomagnetic conditions by 15-Sep.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FROM 13-15 SEPTEMBER 2026
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
13 Sep:  G0, chance G1
14 Sep:  G1
15 Sep:  G2

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