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Eastern Eyre Peninsula 28-day Rainfall Forecast

Sun
Mon
Tue
Wed
Thu
Fri
Sat
31
high
Aug 1
high
2
3
4
5
6
low
7
low
8
9
low
10
med
11
low
12
low
13
14
low
15
16
17
low
18
low
19
low
20
21
22
low
23
med
24
high
25
med
26
27
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 four main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, the south Pacific, and the southeast Pacific.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 8 August to 12 August, 21 August to 25 August, and 31 August to 4 September. Rain events originating in the tropics and moving south are possible about 28 July to 1 August.
Over Western Australia the strongest cold fronts should occur about 8 August to 12 August, 14 August to 18 August, and 29 August to 2 September.

Issued Jul 30

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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