[Ips-geo-warning] ASWFC GEOMAGNETIC WARNING issued 0531 UT on 18 Jul 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING 23/39
ISSUED AT 0529UT/18 JULY 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A fast CME was observed in coronagraph imagery from 17/2336 associated 
with a long duration M5.7 flare from AR3363 near the western 
limb. Modelling indicates this CME has an Earth directed component 
with an impact expected at 0500UT on 20-Jul +/- 12 hours.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED 
DUE TO CORONAL MASS EJECTION
FROM 19-21 JULY 2023
_____________________________________________________________

GEOMAGNETIC ACTIVITY FORECAST
19 Jul:  G0, chance of G1
20 Jul:  G2-G3
21 Jul:  G0-G1

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