Explanatory notes:
Today,west coast trough lies near the west,afternoon sea breeze.
On Wednesday,west coast trough moves further inland leading to earlier sea breezes.
Some uncertainty on precise synoptic conditions from the weekend,large differences between models and model ensembles.
High clouds throughout the working week with moisture streaming at high altitudes.
The rest of Tuesday October 30:
Chance of any rain:0%
Perth metropolitan area:
High clouds(partly cloudy).Winds southwesterly at 20-35 km/h becoming southeasterly at 10-20 km/h at night.
Wednesday October 31:
High clouds(partly cloudy).
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
High clouds(partly cloudy).Winds southeasterly at 5-15 km/h becoming southwesterly at 25-40 km/h from early afternoon becoming southerly at 20-30 km/h at night.Maximum temperatures from around 21 Degrees Celsius over coastal areas to around 24 Degrees Celsius near the city,25 Degrees Celsius over inland coastal plain areas.
Thursday November 1:
Partly cloudy.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy.High clouds.Winds south-southeasterly at 10-20 km/h becoming southwesterly at 20-30 km/h during the afternoon becoming southerly at 10-20 km/h at night.
Friday November 2:
Partly cloudy.
Chance of any rain:5%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy.High clouds.Winds southeasterly at 10-20 km/h tending south-southwesterly at 20-30 km/h during the afternoon becoming southerly at 10-20 km/h at night.Maximum temperatures from around 22 Degrees Celsius over coastal areas to around 24 Degrees Celsius near the city,27 Degrees Celsius over inland coastal plain areas.
Saturday November 3:
Possible showers and thunderstorms.
Chance of any rain:50%
Amount:0 to 5 mm.
Perth metropolitan area:
Partly to mostly cloudy.A medium(50%) chance of showers and thunderstorms.Winds southerly at 10-20 km/h becoming southwesterly at 20-35 km/h during the day.
Sunday November 4:
Possible shower.
Chance of any rain:30%
Amount:0 to 0.4 mm.
Perth metropolitan area:
Partly cloudy.A slight(30%) chance of a shower.Winds southwesterly at 15-25 km/h.
Monday November 4:
Possible shower.
Chance of any rain:30%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly cloudy.A slight(30%) chance of a shower.Winds south-southeasterly at 10-20 km/h tending southwesterly at 20-30 km/h during the afternoon.
Tuesday November 5:
Possible shower.
Chance of any rain:30%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly cloudy.A slight(30%) chance of a shower.Winds southeasterly at 10-20 km/h tending southwesterly at 20-30 km/h during the afternoon.
Charts:
Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM)
Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 12 UTC(8 PM
local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM).
Figure 4:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).
Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 4:20 PM Wednesday July 11.Weather icons courtesy of the US National Weather Service.




