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Eastern Eyre Peninsula 28-day Rainfall Forecast

Sun
Mon
Tue
Wed
Thu
Fri
Sat
2
high
3
low
4
5
6
7
8
low
9
low
10
11
low
12
13
14
med
15
low
16
low
17
low
18
19
20
21
22
low
23
24
25
26
27
low
28
low
29
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 South Africa, the Indian Ocean, eastern Australia, the south Pacific, the southeast Pacific, and the Atlantic Ocean.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 12 September to 16 September, 27 September to 1 October, and 3 October to 7 October. Rain events originating in the tropics and moving south are possible about 13 September to 17 September, 19 September to 23 September, and 25 September to 29 September.
Over Western Australia the strongest cold fronts should occur about 6 September to 10 September, 12 September to 16 September, and 26 September to 30 September.

Issued Sep 1

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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