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.
Tuesday October 30:
14-26 Degrees Celsius
Becoming high clouds(partly cloudy).
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy early,high clouds(mostly sunny) thereafter,high clouds(partly cloudy) from late afternoon.Possible early smoke.Winds southeasterly at 10-20 km/h tending southwesterly at 20-35 km/h during the afternoon.Maximum temperatures from around 23 Degrees Celsius over coastal areas to around 26 Degrees Celsius near the city,28 Degrees Celsius over inland coastal plain areas.
Wednesday October 31:
14-24 Degrees Celsius
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 20-35 km/h from around the middle of the day.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:
12-22 Degrees Celsius
Partly cloudy.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy.Winds south-southeasterly at 5-15 km/h tending southwesterly at 20-30 km/h during the afternoon.
Friday November 2:
11-25 Degrees Celsius
Partly cloudy.
Chance of any rain:10%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy.Light winds tending south-southwesterly at 15-25 km/h during the afternoon.Maximum temperatures from around 22 Degrees Celsius over coastal areas to around 25 Degrees Celsius near the city,27 Degrees Celsius over inland coastal plain areas.
Saturday November 3:
14-27 Degrees Celsius
Possible showers and thunderstorms.
Chance of any rain:40%
Amount:0 to 3 mm.
Perth metropolitan area:
Partly to mostly cloudy.A medium(40%) chance of showers and thunderstorms.Winds east-southeasterly at 15-25 km/h becoming southwesterly at 20-30 km/h later during the day.
Sunday November 4:
14-23 Degrees Celsius
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 southwesterly at 15-25 km/h.
Monday November 4:
14-23 Degrees Celsius
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 15-25 km/h during the day.
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.
