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Weather News - Widespread afternoon storms for NSWJames Casey, 6 March 2014
Thunderstorms are sparking up again today in NSW with heavy rainfall likely to be the most prominent feature.
There have already been over 7500 lightning strikes today in western parts of the state (within 100km radius of Condobolin) while over 100 strikes have been recorded about northern parts (within 100km radius of Tamworth) with yet another stormy afternoon looking likely for NSW.
Storms this afternoon are a risk from Bega to Coffs Harbour to Cobar this afternoon as two troughs deepen over the eastern and western parts of the state. The area of greatest instability looks to be between Newcastle and Armidale.
There were reports of a tornado yesterday in the Bega valley. Today is not looking like producing another as the wind shear, winds blowing in opposing directions close to the ground, is not looking strong enough.
Heavy rainfall is high a risk this afternoon with thunderstorms, as a southeasterly flow provides the low pressure troughs with plenty of moisture. A severe storm warning has been issued for heavy rainfall in the Central West Slopes and Plains, Lower Western and Upper Western, potentially leading to flooding in some areas.
Keep up to date with all weather warnings at http://www.weatherzone.com.au/warnings.jsp
© Weatherzone 2014
Weather News - Fifth day running of storms across NSWGuy Dixon, 7 March 2014
Storms are looking likely for the fifth day in a row for parts of New South Wales.
After Wednesdays spectacular display of storms over southern and western parts of Sydney, thunderstorms lit up over central and western parts of the state last night. Over 50,000 lightning strikes were recorded state-wide (600km radius from Narromine) from yesterday afternoon.
We can expect another display of thunderstorm activity into this afternoon with storms most likely over the South Coast and along the Great Dividing Range.
A low pressure trough lingering over central and southern parts of the state is bringing widespread instability. The risk of storms extends from the Victorian and New South Wales border as far north as Coffs Harbour, and as far inland as Walgett.
Although midlevel winds are generally weaker than previous days, damaging wind gusts are still a risk about the South Coast. Heavy rainfall will instead be the most significant feature with isolated falls of up to 50mm a chance west of the ranges. Fortunately for people in the state's capital, these storms are most likely to develop to the west of the City. Friday afternoon peak hour traffic should not be impacted in the east however Sydney's Western Suburbs are likely to see some thundery showers so extra care on the roads is essential.
© Weatherzone 2014
Weather News - Tropical Cyclone to develop off QLD CoastBen McBurney, 7 March 2014
A Tropical Cyclone is set to develop in the Coral Sea during this weekend and move towards the northern Queensland coast, bringing the risk of gales, very heavy rainfall and large seas.
The deepening system at 10am EST was located approximately 550 kilometres east-northeast of Cairns. It is expected to gradually move west-southwest today, before taking a south-southwesterly track from Saturday, and should develop into a Category 1 Tropical Cyclone on Sunday.
If the system develops, it will be called Gillian, and will be the seventh cyclone in the Australian region this season.
Rain will increase markedly from late on Saturday and into Sunday and Monday between Cooktown and Mackay, bringing a significant risk of flooding. The area may see 300-400mm from the system, which could be the heaviest rain in more than two decades for some places.
While winds will gradually increase on Saturday, they will become strongest from Sunday when they could reach gale force on the coast and islands between Cairns and Mackay.
While the Great Barrier Reef will protect many places, seas should increase close to four metres in some places on Saturday, and exceed four metres on Sunday.
The system is currently expected to approach the coast between Townsville and Mackay on Sunday, and possibly make landfall on Monday.
© Weatherzone 2014