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Posted by: Hickory Offline Posted: Tuesday, 23 February 2021 8:49:41 PM(UTC)
Originally Posted by: FNQ Bunyip Go to Quoted Post

Was a ripper by the time it got up here Ron, How did the beaches go Hickory?

I got 25.4 mm of it Bunyip. All in a short period of time.

A lot was just off the coast, unfortunately - sky was black as and more thunder than lightning.

The BoM's weekly WX guesstimate:-

The Madden–Julian Oscillation weakens

A persistent trough across northern Australia is associated with an equatorial Rossby wave, which has helped make broadscale conditions favourable for enhanced tropical weather, comparable to the Madden–Julian Oscillation (MJO).

Equatorial Rossby waves can often be identified by a pair of tropical lows at similar longitudes on both sides of the equator, and currently the southern hemisphere low lies just to the north-west of Darwin. This low is expected to intensify, strengthening a west to northwesterly wind flow around the system and potentially generating local monsoon conditions.

By the time this happens, the monsoonal flow is likely to be well west of the Australian mainland, with minimal influence expected across northern Australia.

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