Current(Perth Metro)



Radar



Tuesday, 18 September 2018

Weather forecast for Perth effective as of 12:00 AM Tuesday September 18

Weather forecast for Perth effective as of 12:00 AM Tuesday September 18
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 3.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 4.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).










Perth experienced the wettest August in 50 years with 186.0 mm of rain so far!It was also the wettest winter month since June 2005 and the wettest winter in 15 years!

A ridge of high pressure lies to the south.Sunny morning,shallow convective clouds developing from late morning today.

A west coast trough deepens near the west coast with warm air advection by the end of the working week,moving inland from Friday.










Tuesday September 18:
City:
5-19 Degrees Celsius
Clouds developing.
Chance of any rain:10%
Amount:0 mm.



Perth metropolitan area:
Sunny morning becoming partly to mostly cloudy by late morning.Light winds tending south-southwesterly at 15-25 km/h in the afternoon becoming south-southeasterly at 5-15 km/h at night.


Wednesday September 19:
City:
7-21 Degrees Celsius
Mostly sunny.
Chance of any rain:0%
Amount:0 mm.



Perth metropolitan area:
Mostly sunny.Light winds tending southwesterly at 10-25 km/h during the afternoon.


Thursday September 20:
City:
8-25 Degrees Celsius
Sunny.
Chance of any rain:0%
Amount:0 mm.



Perth metropolitan area:
Sunny,some high clouds possible(mostly sunny).Light winds.


Friday September 21:
City:
8-25 Degrees Celsius
High clouds(mostly sunny).
Chance of any rain:0%
Amount:0 mm.



Perth metropolitan area:
High clouds(mostly sunny).Light winds tending south-southwesterly at 10-20 km/h during the day.


Saturday September 22:
11-24 Degrees Celsius
Partly cloudy.
Chance of any rain:10%
Amount:0 mm.



Perth metropolitan area:
Partly cloudy.Light winds.


Sunday September 23:
11-22 Degrees Celsius
Partly cloudy.
Chance of any rain:10%
Amount:0 mm.



Perth metropolitan area:
Partly cloudy.Light winds tending south-southwesterly at 15-25 km/h during the day.













Monday September 24:
11-22 Degrees Celsius
Possible shower.
Chance of any rain:30%
Amount:0 to 0.4 mm.



Perth metropolitan area:
Partly cloudy.A slight(30%) chance of a shower.Light winds tending south-southwesterly at 15-25 km/h during the day.



Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 4:20 PM Wednesday July 11.Weather icons courtesy of the US National Weather Service.