Effective as of 4:00 AM Monday September 28 2020
Explanatory notes:S
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 becoming light at night.
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
Clouds decreasing later.
Chance of any rain:20%
Amount:Nil
Perth Metropolitan Area:
Mostly cloudy becoming partly cloudy by late afternoon.A slight(20%) chance of a shower.Light winds tending west-northwesterly 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:
Partly cloudy.A slight(20%) chance of a shower.Winds south-southeasterly at 15-25 km/h.
Sunday October 4:
City:
7-20 Degrees Celsius
Partly cloudy.
Chance of any rain:10%
Amount:Nil
Perth Metropolitan Area:
Partly cloudy.Winds southeasterly at 10-20 km/h tending south-southwesterly in the afternoon.
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).
