Winds and having rainfall trigger flash flooding warnings across NSW

ABC NEWS (Australia)

Weather warnings are in place for parts of NSW as flash flooding hits coastal areas. The BOM's angus hines says it's expected to be a long lasting weather event.

Transcript

00:00We've already started to see that rain build up yesterday evening and overnight.

00:06Parts of northern Sydney had about 60 or 70 millimetres.

00:09Parts of the central coast a bit further north, well over 100 millimetres.

00:12But the focus today is really shifting on the Hunter area around and north of Newcastle

00:18and the mid-north coast up to about as far north as Port Macquarie.

00:23So it's that region there north of Sydney which we are seeing the potential for, not

00:27just rain through the day today but the next several days.

00:30That word prolonged is a key word for this weather event because we're looking at rain

00:34through most of the day today, then again tomorrow, then again on Wednesday, potentially

00:38out towards Thursday as well.

00:40So it's not a short, sharp, heavy rain event, it's a long stretch of maybe moderate rainfall

00:46at any one time, but several days in a row of moderate rain will give you big numbers.

00:50So we could see well and truly in excess of 200 millimetres, some places will probably

00:55get closer to 3 or 400 millimetres over the course of the entire week and that will definitely

01:00be enough to cause a response by the river network, especially between Newcastle and

01:05Coffs Harbour.

01:06Those rivers in that northern section of the state there are likely to see a response in

01:10terms of flooding.

01:12Widespread minor or moderate flooding is expected along those rivers and some rivers may see

01:16major flooding if that rain really falls widespread across their catchment areas.

01:21So it is going to be a significant, long-lasting wet weather event and once again the areas

01:25that are of particular concern are the Hunter area north of Newcastle and the mid-north

01:30coast area in New South Wales.

01:32Okay, and just very briefly, Angus, people can keep an eye on those flooding warnings,

01:36but the temperatures are expected to fall as well?

01:38Yeah, temperatures are going to be cold for many parts of the country.

01:41Not so bad underneath that rain event because we've got a lot of cloud cover, just some typical

01:46mild autumn temperatures there.

01:47But we've had very, very cold conditions through other places this morning and maybe even colder

01:53tomorrow morning.

01:54So that includes Melbourne, which was two degrees in the city, zero degrees at the airport

01:57and into the negatives for the suburbs.

02:00We had three degrees as the minimum in Adelaide this morning and that was down at around zero

02:05for some of the eastern suburbs of Adelaide.

02:07Okay, a chilly one.

02:08So across the southeast.

02:09A chilly one.

02:10Sorry to chop you off there, Angus.

02:11A chilly one indeed.

02:12Angus Hines there from the Bureau of Meteorology.

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