Weather forecast for Perth effective as of 12:00 AM Tuesday August 28

Weather forecast for Perth effective as of 12:00 AM Tuesday August 28
Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM)

Figure 3.Key features identified on True Colour RGB satellite image at around 06:00 UTC(2 PM local time yesterday).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 4.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).

A strong cold front moves across the region on Tuesday with a deep cold air mass over the region on Wednesday.

Tuesday August 28:

City:

12-18 Degrees Celsius

Showers,possibly heavy.Possible thunderstorm.

Chance of any rain:100%

Amount:20 to 40 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(100%) chance of rain and showers.Heavy falls possible.The chance of a thunderstorm.Possible small hail from evening.Winds north-northwesterly at 15-25 km/h becoming northwesterly at 20-30 km/h,then westerly at 30-45 km/h from around the middle of the day.Gusty winds possible.

Wednesday August 29:

City:

8-17 Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:95%

Amount:5 to 15 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(95%) chance of showers.The chance of thunderstorms and/or small hail most likely in the early hours.Winds northwesterly at 20-30 km/h becoming south-southwesterly at 25-40 km/h by late morning.

Thursday August 30:

City:

9-17 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Partly to mostly cloudy.A slight(30%) chance of showers.Winds south-southwesterly at 20-30 km/h.

Friday August 31:

City:

7-17 Degrees Celsius

Cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Cloudy.A slight(20%) chance of a shower.Light winds.

Saturday September 1:

City:

7-18 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Light winds.

Sunday September 2:

City:

7-21 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds east-northeasterly at 10-20 km/h becoming light from afternoon.

Monday September 3:

City:

9-20 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Light winds.

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.