Storm Warnings with Tornadoes and Giant Hail
Australia’s storm season is now in full swing, with the next 72 hours bringing a mix of rain, showers, and thunderstorms across the eastern two-thirds of the country.
Severe Weather Threat Today
The highest risk of dangerous weather is expected today. Supercell thunderstorms, which can generate one or two tornadoes, are likely over densely populated areas in south-east Queensland and north-east New South Wales.
Areas Most at Risk
- South-east Queensland
- North-east New South Wales
- Brisbane
- Gold Coast
- Sunshine Coast
Storm Development Across South Australia
Alongside activity near the east coast, a cloudband will develop over South Australia this weekend, bringing up to a month’s worth of rain to south-east Australia early next week. This includes the possibility of moderate rainfall in Adelaide, Canberra, Hobart, and Melbourne.
Understanding Supercell Thunderstorms
Today’s forecast is not typical. A rare combination of atmospheric factors is creating ideal conditions for supercell thunderstorms, known as the most dangerous storm type. Unlike common storms, supercells feature a deep rotating updraft, making them intense and impactful.
A supercell is defined as a storm with a deep rotating updraft, and they stand out from garden variety storms by their intensity, behaviour and impacts.
Geographic Scope of Severe Storms
While severe weather may occur from Moranbah to Mudgee, the strongest storms are expected in south-east Queensland and north-east New South Wales.
Author’s summary: The next three days bring powerful supercell storms, including possible tornadoes and heavy rain, posing serious risks to eastern Australia’s coastal regions and major cities.