Southern Tablelands 28-day Rainfall Forecast

Sun

Mon

Tue

Wed

Thu

Fri

Sat

21
low

22
med

23
med

26
low

27
low

28
med

30
low

31
med

Feb 1
med

2
low

3
low

4
med

5
low

8
low

9
low

10
high

11
high

12
low

13
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 been relatively slow moving in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, Western Australia, eastern Australia, and the southeast Pacific.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 27 January to 31 January, 7 February to 11 February, and 19 February to 23 February. Rain events originating in the tropics and moving south are possible about 10 February to 14 February.
Over Western Australia the strongest cold fronts should occur about 1 February to 5 February, 7 February to 11 February, and 19 February to 23 February.

Issued Jan 16

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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Summer is coming

10:17 AEDT The clouds have broken over the southeast of the country and the coming week will see more summer-like conditions develop in all the southeast capitals.