Issued at 4:00pm WST on Thursday the 2nd of September 2010
RECENT EVENTS:
NORTHERN HALF:
Isolated showers in the southeast Gascoyne and northeast Kimberley.
Thunderstorms and areas of rain in the Interior.
SOUTHERN HALF:
Cold with areas of rain and drizzle over the Goldfields and Eucla. Isolated
showers over most of the SW Land Division in a cool southeasterly airstream.

SYNOPTIC SITUATION AND FORECAST EXPLANATION:

A middle level trough is producing areas of rain and drizzle over the
Goldfields, Eucla and Interior with thunderstorms in the central Interior. This
will contract east overnight and ease to isolated showers during Friday morning
before clearing Friday evening. Another cold day for these areas. 
A ridge of high pressure is developing over the south of the state and will
dominate the weather for a few days. On Friday isolated showers will continue
over the southern half of the SW Land Division as the unstable and cool SE'ly
flow persists. Showers should become confined to the south and southwest coasts
by the evening. A cold morning through most parts of the SW Land Division with
isolated areas of early frost.
The Kimberley will become more unstable on Friday with isolated showers and
thunderstorms expected across the northeastern half.

On Saturday a weak cold front will move along the south coast. Isolated showers
are expected southwest of a line Mandurah to Gnowangerup and along the eastern
south coast in the morning, reaching remaining parts of the southern half of the
SW Land Division as well as the southern Goldfields and southern Eucla during
the afternoon. Isolated showers and thunderstorms are expected in the northeast
Kimberley.
Isolated showers will contract to the South and Southeast Coastal districts, the
far southern Goldfields and Eucla on Sunday as a high pressure ridge develops
over the south of the state. Isolated showers and thunderstorms again in the
northeast Kimberley.
On Monday, isolated afternoon showers are forecast for the southern Lower West,
Southwest and far western parts of the Great Southern and South Coastal
districts. Isolated showers and thunderstorms in the Kimberley will extend into
the northern Interior during the evening. 
        

Warning summary
Nil.

Forecast for Thursday  evening
Partly cloudy with light to moderate SE winds.

Precis:      Partly cloudy.                     

Forecast for Friday   
A mostly sunny day after a cold morning.  Light E/NE winds becoming SW'ly in the
afternoon.

Precis:      Mostly sunny.                      
City:        Min 3      Max 18 
Mandurah:    Min 8      Max 18 

UV Alert:    9:40 am to 2:50 pm, UV Index predicted to reach 6 [High]  
Fire Danger: Coastal Plain: NOT RATED
             Hills:         NOT RATED

Saturday     Chance of a shower.                    Min 6      Max 19
Sunday       Mostly sunny.                          Min 5      Max 20
Monday       Partly cloudy.                         Min 4      Max 20
Tuesday      Chance of a shower.                    Min 6      Max 20
Wednesday    Few showers.                           Min 8      Max 18
Thursday     Partly cloudy.                         Min 4      Max 17

The next routine forecast will be issued at 4:50 am WST Friday.