Effective as of 4:00 PM Sunday September 27 2020
Explanatory notes:S
Sunday September 27:
City:
9-21 Degrees Celsius
Possible shower or two
Chance of any rain:40%
Amount:0 to 1 mm
Perth Metropolitan Area:
Partly to mostly cloudy.A high(70%) chance of showers especially in the afternoon in the south grading to a slight(30%) chance in the north..Light winds tending west-northwesterly at 15-25 km/h between late morning and evening.
Monday September 28:
City:
12-20 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 clearing later in the afternoon.The chance of a thunderstorm.Light winds becoming westerly at 10-20 km/h in the morning shifting southwesterly at 15-25 km/h from around the middle of the day,
Tuesday September 29:
City:
12-21 Degrees Celsius
Possible shower or two.
Chance of any rain:40%
Amount:0 to 1 mm
Perth Metropolitan Area:
Partly to mostly cloudy.A medium(40%) chance of showers.Light winds becoming westerly at 15-30 km/h during the morning easing to 10-20 km/h at night.
Wednesday September 30:
City:
13-22 Degrees Celsius
Partly cloudy
Chance of any rain:20%
Amount:Nil
Perth Metropolitan Area:
Partly to mostly cloudy.A slight(20%) chance of a shower.Light winds tending westerly at 10-20 km/h during the day.
Thursday October 1:
City:
13-22 Degrees Celsius
Possible shower or two.
Chance of any rain:40%
Amount:0 to 1 mm
Perth Metropolitan Area:
Partly to mostly cloudy.A medium(40%) chance of showers.Winds westerly at 15-25 km/h.
Friday October 2:
City:
12-18 Degrees Celsius
Showers.
Chance of any rain:70%
Amount:1 to 3 mm
Perth Metropolitan Area:
Partly to mostly cloudy.A high(70%) chance of showers.Winds west-southwesterly at 10-20 km/h shifting southerly at 20-30 km/h later during the day.
Saturday October 3:
City:
7-20 Degrees Celsius
Partly cloudy.
Chance of any rain:20%
Amount:Nil
Perth Metropolitan Area:
Charts:
Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM).
2.
Figure 2.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).
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).



