Rainstorms to hit parts of eastern NSW, Queensland

Australian Community Media

Thunderstorms and huge rainfall to hit much of the eastern states over Thursday, April 4, 2024 to the end of the weekend.

Transcript

00:00 A very wet end to the week is on the way for much of NSW as a trough deepens along the

00:05 east coast.

00:06 Let's jump in with a look at today first of all.

00:09 We're likely to see fairly patchy showers along eastern parts of the NSW coast, with

00:15 fairly low rainfall totals expected.

00:18 A trough extending through northeast NSW and southern Queensland may generate some heavier

00:22 falls in these parts, particularly with thunderstorms this afternoon.

00:26 The story will start to change from tomorrow, however, with much wetter weather starting

00:31 to extend more broadly across northeastern NSW and down the east coast as well.

00:37 Now thunderstorms may bring heavy to locally intense rainfall to northeast NSW and southern

00:42 Queensland, but for the rest of the NSW coast, more moderate falls is all that's expected

00:47 unless we get those thunderstorms moving overhead.

00:50 As we go through the later part of Thursday and into Friday, though, that's when we'll

00:54 see the most severe weather starting to ramp up as a trough deepens off the east coast

01:00 of NSW.

01:01 Now, this trough is likely to drag in further moisture and direct it across eastern and

01:06 central NSW, with the risk of heavy falls becoming more widespread and intense.

01:12 We may also see strong winds wrapping around that trough and high seas and swells starting

01:17 to be generated offshore.

01:20 As we go through the day on Friday, we're going to start seeing a low pressure system

01:24 starting to develop somewhere on that trough, most likely pushing towards the southern coast.

01:29 The heaviest rain and the strongest winds are likely to be tied to wherever that low

01:34 may develop, but there's still an element of uncertainty as to exactly when and where

01:38 that will happen.

01:39 But as we go into the overnight period into Saturday morning, though, we're likely to

01:43 see it shifting south, taking the rain and the wind with it.

01:47 We may see some rain and wind impacts for East Gippsland through the day on Saturday,

01:52 but for the central coast and Sydney area, it'll be an easing weather pattern, with just

01:57 patchier showers likely to be lingering across those areas through Saturday afternoon and

02:02 evening.

02:03 Now, the rainfall totals over the Thursday to Saturday period are likely to reach 1–200mm

02:09 across southern Queensland and much of eastern NSW.

02:13 Isolated falls pushing above 200mm about some of those coastal areas and with any storms

02:18 that develop.

02:19 Now, rainfall of this magnitude can quickly lead to flash flooding, cutting off our roads,

02:25 making them impassable and blocking our drainage systems.

02:28 We may also see riverine flooding developing through Friday and into Saturday, with flood

02:32 warnings likely to be issued.

02:34 In fact, a number of warnings are likely over the coming days, including warnings for heavy

02:39 rain and flash flooding, damaging winds, particularly about the central coast, thunderstorms and

02:45 hazardous surf.

02:47 With a lot unfolding over the next few days, it is essential that you check the forecasts

02:52 and warnings regularly via the Bureau's website and the BOM Weather app, so that you and those

02:57 that you know in these areas can stay as up-to-date and as safe as possible.

03:01 We'll catch you in the next update.

03:02 [Music]

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