Lower Burdekin 28-day Rainfall Forecast

Sun

Mon

Tue

Wed

Thu

Fri

Sat

18
med

19
med

20
med

30
low

Dec 1

2
low

Chance of rainfall within district
nil < 25%	low 25% to 50%	med 50% to 75%	high ≥ 75%

Issue Notes

The hemispheric long wave pattern has remained stable in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, eastern Australia, New Zealand, the south Pacific, the southeast Pacific, South America, and the Atlantic Ocean.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 20 November to 24 November, 24 November to 28 November, and 8 December to 12 December. Rain events originating in the tropics and moving south are possible about 25 November to 29 November, and 29 November to 3 December.
Over Western Australia the strongest cold fronts should occur about 19 November to 23 November, 26 November to 30 November, and 6 December to 10 December.

Issued Nov 14

Forecast Explanation

This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

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