Explanatory notes:
Scroll down below this section for forecast.
Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 18 UTC(2 AM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).
Forecast updated to reflect latest trends.
Some clouds at around 800 hPa-750 hPa level with moist air advection at those levels from a remnant tropical low over the South Interior district occurred from late morning on Thursday.
The west coast trough moved inland on Saturday afternoon with a weak(due to weak pressure gradients) sea breeze having advected the humid marine layer over the region during the afternoon and evening.
Marine layer clouds during the early hours and morning today.The marine layer clouds clear in the morning.
Sea breeze regimes from today with the west coast trough inland.
The slight chance of showers and thunderstorms on Monday afternoon triggered by sea breezes most likely over northern and eastern suburbs.
The slight chance of showers and thunderstorms on Monday afternoon triggered by sea breezes most likely over northern and eastern suburbs.
A more southeasterly pressure gradient from Wednesday.
Large uncertainty on precisely how hot late next working week will be with large variations in ensemble and multi model ensemble projections.
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,the next 40+ Degree Day will be at least the latest during summer as the 2005-2006 summer.
Large uncertainty on precisely how hot late next working week will be with large variations in ensemble and multi model ensemble projections.
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,the next 40+ Degree Day will be at least the latest during summer as the 2005-2006 summer.
The rest of Sunday February 4:
City:
Maximum:28 Degrees Celsius
Clouds clearing.
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Partly cloudy becoming sunny by afternoon.Light winds becoming south-southwesterly at 10-20 km/h from morning increasing to 20-30 km/h from afternoon easing to 10-20 km/h at night.
Perth metropolitan area:
Monday February 5:
City:
17-31 Degrees Celsius
Partly cloudy.
Chance of any rain:20%
Rainfall amount:0 mm.
Perth metropolitan area:
Partly cloudy.A slight(30%) chance of a shower or thunderstorm over northern and eastern suburbs in the afternoon,a slight(20%) chance elsewhere.Light winds becoming south-southwesterly at 15-30 km/h from afternoon.
Perth metropolitan area:
Tuesday February 6:
City:
19-28 Degrees Celsius
Some high clouds(mostly sunny).
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Some high clouds(mostly sunny).Winds south-southwesterly at 10-20 km/h increasing to 20-35 km/h from afternoon.
Perth metropolitan area:
Wednesday February 7:
City:
17-27 Degrees Celsius
Partly cloudy.
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Partly cloudy.Winds south to southeasterly at 15-30 km/h.
Perth metropolitan area:
Thursday February 8:
City:
17-31 Degrees Celsius
Partly cloudy.
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Partly cloudy.Winds east-southeasterly at 15-25 km/h becoming south-southwesterly at 20-30 km/h from afternoon easing to 10-20 km/h at night.
Perth metropolitan area:
Friday February 9:
City:
19-32 Degrees Celsius
Mostly sunny.
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Mostly sunny.Winds southeasterly at 15-25 km/h becoming south-southwesterly at 20-30 km/h from afternoon becoming south-southeasterly at 10-20 km/h at night.
Perth metropolitan area:
Saturday February 10:
City:
19-31 Degrees Celsius
Sunny.
Chance of any rain:0%
Rainfall amount:0 mm.
Perth metropolitan area:
Sunny.Winds southeasterly at 15-25 km/h becoming south-southwesterly at 20-30 km/h from afternoon becoming south-southeasterly at 10-20 km/h at night.
