Weather forecast for Perth effective as of 11:00 AM Monday February 26

Weather forecast for Perth effective as of 11:00 AM Monday February 26:

Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at  00 UTC(8 AM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 2.Key features identified on True Colour RGB satellite image at around 07:00 UTC(3 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 00 UTC(8 AM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 4:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

Forecast updated based on latest patterns.Satellite images show a weak low pressure trough/cold front to the southwest of the state.ECMWF 12Z predicts that this will move over the region at around 5-6 PM bringing some showers.

However,the slight chance of light showers or drizzle at any time today.

A weak cold front brushes the region on Monday night/early on Tuesday bringing the slight chance of showers most likely over coastal suburbs.

On Tuesday,Cloud cover in the morning clears by afternoon as a subtropical high pressure ridge strengthens to the south.

Rapidly warming and drying conditions thereafter with a subtropical high pressure system to the south and a west coast trough forming near the west coast leading to some warm air advection.

The west coast trough moves inland from Thursday afternoon with strong sea breezes expected on Friday in the afternoon and evening as the southerly pressure gradient "bends" with solar heating.

The long spell with no 40+ Degree Days continues with the last 40+ Degree Day being Australia Day last year!With no 40+ Degree day within the forecast period,this summer will have no 40+ Degrees Day the first since the 2001-2002 summer!

Monday February 26:

City:

Max:24 Degrees Celsius

Possible shower later.

Chance of any rain:30%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Mostly cloudy.A slight(30%) chance of showers from late afternoon/early evening.Winds southwesterly at 20-30 km/h becoming south-southwesterly at night.

Tuesday February 27:

City:

14-25 Degrees Celsius

Clouds clearing.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy becoming sunny by afternoon.A slight(20%) chance of showers in the early hours most likely over coastal suburbs.Winds south-southeasterly at 10-20 km/h tending south-southwesterly at 20-30 km/h in the afternoon and evening.


Wednesday February 28:

City:

15-30 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 20-30 km/h tending southerly at 15-25 km/h in the afternoon and evening becoming light at night.

Thursday March 1:

City:

19-32 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.A slight(20%) chance of a shower or thunderstorm over the hills,a near zero chance elsewhere.Light winds becoming south-southwesterly at 20-30 km/h from afternoon.

Friday March 2:

City:

18-28 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny..Winds southerly at 15-25 km/h tending south-southwesterly at 25-40 km/h in the afternoon and evening.

Saturday March 3:

City:

16-30 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 20-30 km/h tending southeasterly at 15-25 km/h in the afternoon and evening.


Sunday March 4:

City:

16-31 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds easterly at 20-30 km/h tending 15-25 km/h in the afternoon and evening.

Forecast for today produced at 11:00 AM,forecast for the rest of the days produced at 8:00 PM Sunday February 25.Weather icons courtesy of the US National Weather Service.