Weather forecast for Perth effective as of 12:00 AM Tuesday May 1

Weather forecast for Perth effective as of 12:00 AM Tuesday May 1:

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 2.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 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).

The west coast trough moved inland around the middle of the day on Monday having resulted in an afternoon sea breeze with lower temps.Maximum temperatures occured around the middle of the day.

A cold front will has just brushed the region bringing possible showers.Possible showers again today most likely in the morning and at night.

Much cooler air mass lies over the region bringing typical late autumn weather with 850 hPa temperatures dropping by more than 10 Degrees Celsius.

A weak cold front brushes the region again on Wednesday.

Likely radiational cooling of already cool air results in chilly morning on Thursday and Friday.

Tuesday May 1:

City:

14-21 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 most likely near the coast and in the morning and at night.Winds south-southwesterly at 15-25 km/h.

Wednesday May 2:

City:

11-20 Degrees Celsius

Shower or two.

Chance of any rain:50%

Amount:0 to 1 mm.

Perth metropolitan area:

Partly cloudy.A medium(50%) chance of showers.Winds south-southwesterly at 20-30 km/h.

Thursday May 3:

City:

10-21 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Light winds tending south-southwesterly at 10-20 km/h in the afternoon and evening.

Friday May 4:

City:

8-23 Degrees Celsius

High clouds(mostly sunny).

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

High clouds(mostly sunny).Light winds becoming east-northeasterly at 10-20 km/h from morning becoming light from afternoon becoming southeasterly at 10-20 km/h from late afternoon becoming light at night.

Saturday May 5:

City:

10-24 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

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

Sunday May 6:

City:

12-25 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds east-northeasterly at 10-20 km/h becoming light from afternoon.

Monday May 7:

City:

14-27 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

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

Forecast produced at 12:00 AM Tuesday May 1.Weather icons courtesy of the US National Weather Service.