Updated Tropical Cyclone Outlook for the Western Region

Issued at 3:09 pm WST on Tuesday 11 April 2023
for the period until midnight WST Friday 14 April 2023.

Existing Cyclones in the Western Region:

At 1400 AWST Tuesday 11 April, Tropical Cyclone Ilsa was named and had a centre located near 14.5S 121.2E, approximately 400km north north-west of Broome. It is forecast to intensify to be a severe tropical cyclone prior to impacting the east Pilbara and west Kimberley coasts on Thursday, moving inland on Friday and rapidly tracking southeast through the interior of Australia whilst weakening on Saturday. As a result the tropical cyclone risk for the Western Region is High through to Friday 14 April and reduces to Very Low from Saturday 15 April.

Refer to Tropical Cyclone warnings for the latest information at: www.bom.gov.au/cyclone

Likelihood of this system remaining a tropical cyclone in the Western Region on:

Wednesday:

High

Thursday:

High

Friday:

High

Potential Cyclones:

There are no other significant tropical lows expected in the region for the next seven days.

Likelihood of another system being a tropical cyclone in the Western Region on:

Wednesday:

Very Low

Thursday:

Very Low

Friday:

Very Low

NOTES: The likelihood is an estimate of the chance of each system being a tropical cyclone in the Region for each day.

Very Low:

less than 5%

Low:

5% to 20%

Moderate:

20 to 50%

High:

Over 50%

The Western Region refers to the Indian Ocean between Longitudes 90-125E and south of 10S.

Further information on Tropical Cyclones is available at www.bom.gov.au/weather/cyclone/