Weather forecast for Perth effective as of 7:00 PM Wednesday May 2

Weather forecast for Perth effective as of 7:00 PM Wednesday May 2:

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).

A cold air mass lies over the region behind a cold front which moved across the region earlier today.

The slight chance of showers in the next few hours before contracting to the coast as a land breeze develops.

On Thursday land breeze convergence creates a line of showers offshore in the early hours and morning,anvil is to spread a little inland.

Radiational cooling of already cool air results in a chilly morning on Friday.Minimum temperatures could drop below 5 Degrees Celsius in hollow areas!

Warm conditions back by Saturday with a warm air mass over the region.

Another cold front moves over the region on Sunday.

The rest of Wednesday May 2:

City:

Possible shower.

Chance of any rain:30%

Perth metropolitan area:

Partly cloudy.A slight(30%) chance of showers.Light winds becoming southwesterly at 20-35 km/h from morning becoming south-southwesterly at 10-20 km/h at night.

Thursday May 3:

City:

9-20 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(30%) chance of a shower over coastal suburbs in the early hours and morning.Light winds tending south-southwesterly at 10-20 km/h in the afternoon and evening.

Friday May 4:

City:

7-22 Degrees Celsius

High clouds(mostly sunny).

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

High clouds(mostly sunny).Light winds.

Saturday May 5:

City:

10-28 Degrees Celsius

Partly cloudy.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

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

Sunday May 6:

City:

17-24 Degrees Celsius

Showers.

Chance of any rain:70%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Partly cloudy.A high(70%) chance of showers.Winds northwesterly at 20-30 km/h becoming westerly later then southwesterly.

Monday May 7:

City:

13-22 Degrees Celsius

Possible early shower.

Chance of any rain:30%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Partly cloudy.A slight(30%) chance of showers in the early hours and morning.Winds south-southwesterly at 10-20 km/h.

Tuesday May 8:

City:

10-22 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds southeasterly at 15-25 km/h.

Wednesday May 9:

City:

13-24 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds easterly at 15-25 km/h.

Forecast for today produced at 11:30 PM Tuesday May 1,forecast for the rest of the days produced at 4:00 PM Tuesday May 1.Weather icons courtesy of the US National Weather Service.