Explanatory notes:
A low pressure trough brings showers,possible thunderstorms Saturday morning,a cold front brings further showers,possible thunderstorms late at night and early on Sunday.
The rest of Friday October 12:
Rain,showers.
Chance of any rain:70%
Perth metropolitan area:
Cloudy.A high(70%) chance of rain,showers.Light winds.
Saturday October 13:
13-21 Degrees Celsius
Showers.Possible thunderstorm.
Chance of any rain:100%
Amount:5 to 15 mm.
Perth metropolitan area:
Partly to mostly cloudy.A very high(100%) chance of showers.The chance of a thunderstorm.Winds north-northwesterly at 10-20 km/h becoming westerly at 15-30 km/h in the morning becoming northwesterly at 15-25 km/h at night.
Sunday October 14:
12-20 Degrees Celsius
Showers easing.Possible early thunderstorm.
Chance of any rain:100%
Amount:5 to 15 mm.
Perth metropolitan area:
Partly cloudy.A very high(100%) chance of showers in the early hours,easing to a slight(30%) chance in the afternoon.Winds westerly at 25-40 km/h becoming southwesterly from morning easing to 10-20 km/h at night.
Monday October 15:
11-21 Degrees Celsius
Clouds clearing.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy morning becoming sunny by late afternoon.Light winds tending southwesterly at 10-20 km/h in the afternoon.
Tuesday October 16:
9-26 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 in the afternoon.
Wednesday October 17:
12-26 Degrees Celsius
Sunny day.
Chance of any rain:20%
Amount:0 mm.
Perth metropolitan area:
A sunny day.A medium(40%) chance of showers over southwestern suburbs at night,a slight(20%) chance elsewhere.Light winds becoming westerly at 10-25 km/h during the afternoon.
Thursday October 18:
12-20 Degrees Celsius
Showers.
Chance of any rain:80%
Amount:2 to 8 mm.
Perth metropolitan area:
Partly to mostly cloudy.A high(80%) chance of showers.Winds southwesterly at 20-30 km/h.
Friday October 19:
12-21 Degrees Celsius
Partly to mostly cloudy.
Chance of any rain:20%
Amount:0 mm.
Perth metropolitan area:
Partly to mostly cloudy.A slight(20%) chance of a shower.Light winds.
Charts:
Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM)
Figure 3.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).
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.
