Explanatory notes:
Ridge of high pressure lies over the region,partly to mostly cloudy conditions becoming sunny by late afternoon.
Dry and becoming warmer until Wednesday with a cold frontal passage early on Thursday bringing showers,deep cold air mass thereafter,brings showers,possible thunderstorms.Westerly flow thereafter likely leads to further showers on Friday and Saturday,another cold frontal passage is like on Sunday bringing showers,
Monday October 15:
12-21 Degrees Celsius
Clouds clearing later.
Chance of any rain:0%
Amount:0 mm.
Perth metropolitan area:
Partly to mostly cloudy becoming sunny by late afternoon.Light winds tending west-southwesterly at 10-20 km/h in the afternoon.
Tuesday October 16:
8-26 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:
13-28 Degrees Celsius
Sunny
Chance of any rain:10%
Amount:0 mm.
Perth metropolitan area:
Sunny.Light winds becoming westerly at 15-25 km/h during the afternoon becoming northwesterly at night.
Thursday October 18:
13-19 Degrees Celsius
Showers.Possible thunderstorm.
Chance of any rain:95%
Amount:5 to 15 mm.
Perth metropolitan area:
Partly to mostly cloudy.A very high(95%) chance of showers.The chance of a thunderstorm.Winds westerly at 20-35 km/h becoming southwesterly later during the day.
Friday October 19:
11-19 Degrees Celsius
Possible shower or two.
Chance of any rain:40%
Amount:0 to 0.4 mm.
Perth metropolitan area:
Mostly cloudy.A medium(40%) chance of showers.Winds west-southwesterly at 15-25 km/h.
Saturday October 20:
13-21 Degrees Celsius
Shower or two.
Chance of any rain:50%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly to mostly cloudy.A medium(50%) chance of showers.Winds west-northwesterly at 20-30 km/h.
Sunday October 21:
14-21 Degrees Celsius
Showers.
Chance of any rain:90%
Amount:1 to 4 mm.
Perth metropolitan area:
Partly to mostly cloudy.A very high(90%) chance of showers.Winds westerly at 20-35 km/h becoming southwesterly later during the day.
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.
