Explanatory notes:
Scroll down below this section for forecast.
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).
A strong cold front moved across the region earlier today with a deep cold and unstable air mass over the region currently with the possibility of thunderstorms and/or hail.
The Australian Bureau of Meteorology(BOM) has a severe weather warning in effect south of Mandurah.
Cold mornings from Friday with radiational cooling of already cold air.Showers clear during the early hours on Friday with the onset of more southerly flow.
Finally a sunny day on Sunday with a high pressure system over Southern Australia.
The rest of Thursday August 9:
Perth metropolitan area:
City:
Windy with showers.Possible thunderstorms.
Chance of any rain:100%
Perth metropolitan area:
Partly to mostly cloudy.A very high(100%) chance of showers.The chance of thunderstorms and/or hail.Winds southwesterly at 30-45 km/h easing to 20-35 km/h at night.Gusty winds,wind gusts in excess of 80 km/h possible.
Friday August 10:
City:
5-15 Degrees Celsius
Early showers.
Chance of any rain:60%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly to mostly cloudy day.A medium(60%) chance of showers in the early hours.The chance of a thunderstorm and/or small hail in the early hours.Winds south-southeasterly at 5-15 km/h becoming south-southwesterly at 10-20 km/h from late morning becoming light from evening.
Saturday August 11:
City:
3-18 Degrees Celsius
Mostly sunny.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Mostly sunny.Areas of early frost possible over the hills and in hollow areas.Light winds.
Sunday August 12:
City:
5-21 Degrees Celsius
Sunny.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Sunny.Winds northeasterly at 10-20 km/h becoming north-northeasterly at 15-30 km/h in the morning becoming north-northeasterly at 10-25 km/h.
Monday August 13:
City:
8-22 Degrees Celsius
Sunny day.
Chance of any rain:30%
Amount:0 to 1 mm.
Perth metropolitan area:
Sunny day.A slight(30%) chance of showers from evening.Winds north-northeasterly at 10-20 km/h becoming north-northwesterly at 20-35 km/h from late morning.
Tuesday August 14:
City:
10-18 Degrees Celsius
Showers.
Chance of any rain:90%
Amount:2 to 6 mm.
Perth metropolitan area:
Partly to mostly cloudy.A very high(90%) chance of showers.Winds west-southwesterly at 15-25 km/h.
Wednesday August 15:
City:
7-17 Degrees Celsius
Possible shower or two.
Chance of any rain:40%
Amount:0 to 2 mm.
Perth metropolitan area:
Partly cloudy.A medium(40%) chance of showers.Light winds tending southwesterly at 10-20 km/h during the day.
Thursday August 16:
City:
6-18 Degrees Celsius
Possible shower or two.
Chance of any rain:40%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly cloudy.A medium(40%) chance of showers.Light winds.
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.
