Severe weather warning for parts of the lower east

Australian Community Media

Tasmania, eastern Victoria, and southern NSW on high alert for potentially wild weather, as a coldfront brings an end to the heatwave in Sydney around midnight on Wednesday January 15, 2025.

Transcript

00:00Severe thunderstorms are likely across parts of New South Wales and Victoria as well as the ACT today,

00:06as a cold front moves across the southeast states.

00:09We can see that cold front in the satellite imagery here,

00:12sweeping through Victoria and Tasmania with a band of cloud.

00:16Now, the cold front has actually already moved through Melbourne,

00:19bringing some scattered thunderstorms with it.

00:22Through the remainder of today, that front and the low pressure trough associated with it

00:27is expected to move across Tasmania, eastern Victoria and southeastern parts of New South Wales,

00:33really ramping up the shower and thunderstorm activity across these areas.

00:38As we go into the evening and overnight period tonight,

00:41this low pressure trough will move up the New South Wales coast,

00:45bringing a blustery, cool southerly change to Sydney,

00:49likely around midnight or into the early hours of tomorrow morning.

00:52This change will continue moving up the coast through Thursday,

00:56reaching those northern coastlines a little later in the morning.

00:59But as that cold front moves across the southeast today,

01:02it's going to create an environment really conducive to severe thunderstorms.

01:07We can see that reflected in today's thunderstorm forecast.

01:10Now, storms are possible across broad parts of the east today,

01:14with severe storms a risk from southeast Queensland all the way down into eastern Victoria.

01:20In those areas, marked yellow on this map,

01:23we could see the heavy rainfall that could lead to flash flooding,

01:25the damaging wind gusts or the large hail.

01:28But there is a real focal area for our severe storms today,

01:32this red area on the map, which shows us where severe thunderstorms are likely.

01:37Now for today, that severe likely area includes the southern and southwest slopes of New South Wales,

01:43the ACT and Canberra, and much of northeastern Victoria.

01:48In those areas, marked in red, we are most likely to see the severe thunderstorms

01:52through the course of this afternoon and evening,

01:55and we're most likely to see those really severe weather impacts that come with the severe storms.

02:00Those include flash flooding, water moving quickly over the roads,

02:04which could quickly lead to very dangerous driving conditions, road closures and detours.

02:09We could also see trees and tree limbs brought down by the strong winds.

02:13We could also see damage to crops, vegetation and possibly even property

02:17from that combination of strong winds, heavy rainfall and possible hail.

02:23Now, how will this situation unfold after today?

02:27Starting from Thursday morning, we are going to see the trough

02:31gradually moving offshore from the New South Wales coast.

02:34A low pressure system is likely to develop along that trough line,

02:38somewhere off the New South Wales coast.

02:41It is expected that we will have strong southerly winds pushing right up the New South Wales coast

02:46through the later part of Thursday into Friday.

02:48Hazardous surf is a risk from tomorrow with gale force winds for many of our marine areas.

02:54As we go through that period though, we're also likely to see the rain

02:58really ramping up across parts of the central and northern coastlines.

03:02That's likely to continue through Friday and into Saturday.

03:06The highest rainfall totals will depend on how close that low comes to the coast,

03:10but it is expected to gradually move off as we go into Saturday and Sunday.

03:15We'll start to see those heavy rain and strongest wind impacts gradually starting to ease.

03:21So, having a quick look at what the rainfall totals may look like over the next few days.

03:26For today, the highest rainfall totals will really be tied to where

03:29severe storms develop through the southeast.

03:32But as we go into that Thursday to Saturday period,

03:35we're going to see the rainfall really ramping up

03:37about those central and northern coastlines of New South Wales.

03:40Widespread moderate rainfall is expected with that low pressure trough and low pressure system,

03:46and we may even see some localised falls exceeding the three-digit mark.

03:51The exact areas of the highest falls, as I said,

03:54will depend on how quickly that low develops and exactly where it tracks over the weekend.

03:59Communities right across these areas are advised to keep a close eye on our

04:03latest forecasts and warnings via the Bureau's website,

04:06the BOM Weather app and via our social media.

04:08Stay safe and we'll catch you in the next update.

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