Tropical Cyclone Outlook for the Western Region

Issued at 7:16 am WST on Sunday 2 April 2023
for the period until midnight WST Tuesday 4 April 2023.

Existing Cyclones in the Western Region:

Tropical Cyclone Herman is over open waters of the Indian Ocean approximately 760 kilometres west northwest of Exmouth and is now moving to the west and rapidly weakening. Herman is expected to weaken below tropical cyclone intensity later today. From Monday 3 April the likelyhood of it being a tropical cyclone decreases to Very Low.

This system is not expected to impact the Australian mainland, Cocos Islands, or Christmas Island.

For more details see [www.bom.gov.au/cyclone/].

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

Sunday:

High

Monday:

Very Low

Tuesday:

Very Low

Potential Cyclones:

A weak tropical low, 22U, may form as a weak and transient low over open waters well north of the Pilbara coast. If it forms it is expected to move west but remain weak and well offshore. The Likelihood of it being a tropical cyclone is Very Low during the next seven days.

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

Sunday:

Very Low

Monday:

Very Low

Tuesday:

Very Low

No other significant tropical lows are expected in the region for the next seven days

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

Sunday:

Very Low

Monday:

Very Low

Tuesday:

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/