Return of summer for WA
Sunday March 7, 2021 – 13:29 EDT
After a wet first week of autumn in southwestern WA, the mercury will gradually rise in the week ahead, bringing summer temperatures back under clearer skies.
A broad area of high pressure will sit off the southern coast of WA during the next couple of days, moving over the Bight on Wednesday. As winds travel anticlockwise around a high pressure system, easterly winds will dominate in southern WA turning northeast as the high moves gradually east. As a consequence, a hot airmass will be drawn down from the western interior. On top of that, a trough will form near the west coast, which will help an offshore…