Weather forecast for Perth effective as of 12:00 AM Saturday March 31

Weather forecast for Perth effective as of 12:00 AM Saturday March 31:

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 4.Key features identified on True Colour RGB satellite image at around 07:00 UTC(3 PM local time today).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 5.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 6:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

Warm conditions occurred on Friday with hot air mass over the region,some high clouds also occurred streaming in a subtropical jet stream.

Then subropical high pressure ridge lies to the south during the weekend leading to a somewhat east-southeasterly pressure gradient.

Likely plenty of clouds on Saturday morning with a near saturated layer at around the 950 hPa level,clouds gradually clearing during the day.

South-southeasterly pressure gradient with the west coast trough inland bends with solar heating leading to a sea breeze.

West coast deepens near the west coast again leading to a warm air mass over the region by Monday.

West coast trough then moves inland with slightly cooler air mass over the region.

Saturday March 31:

City:

17-28 Degrees Celsius

Clouds clearing.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly cloudy becoming sunny by late afternoon.Winds south-southeasterly at 15-25 km/h becoming south-southwesterly at 20-30 km/h from afternoon becoming southeasterly at 15-25 km/h at night.

Sunday April 1:

City:

15-28 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds southeasterly at 10-20 km/h.

Monday April 2:

City:

17-32 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds easterly at 20-30 km/h easing to 10-20 km/h from afternoon.

Tuesday April 3:

City:

20-33 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Light winds becoming south-southwesterly at 10-20 km/h from afternoon.

Wednesday April 4:

City:

17-29 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds southeasterly at 10-20 km/h tending southwesterly at 20-30 km/h in the afternoon and evening.

Thursday April 5:

City:

16-30 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 10-20 km/h tending southwesterly at 10-25 km/h in the afternoon and evening.

Friday April 6:

City:

17-29 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Light winds becoming south-southwesterly at 10-20 km/h becoming light later at night.

Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 7:00 PM Friday March 30.Weather icons courtesy of the US National Weather Service.