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Weather News - Thundery start for NSW and southern QLDJames Casey, 3 September 2015
A band of thunderstorms swept across NSW and QLD late last night and into this morning, bringing a thundery alarm.
Early this morning the radar lit up like a Christmas tree as over 50,000 lightning strikes occurred across northern NSW and southern QLD. Check out the GIF we posted of the radar loop here
These storms have now cleared NSW with sunny blue skies leaving no trace of what was a wet and stormy night. For QLD the storms are just beginning to move offshore.
These storms brought widespread rainfall across NSW and southern QLD distributing a general 5-10mm. For NSW, the heaviest falls occurred in the Riverina, Snowy Mountains and Northwest Slopes and Plains with 18-23mm. The Darling Downs recorded the heaviest rain for QLD with a touch over 10mm.
These storms were caused by a low pressure trough and associated frontal system. While the trough has now moved offshore a low embedded in this trough will slowly move east towards the coast today
Later today an East Coast Low will form causing winds to increase and showers to return along the coastal fringe of NSW. Thunderstorms could also make a second appearance although they are unlikely to be as widespread as this morning. For southern QLD showers should persist until the middle of the day while gusty winds continue into the evening.
Tomorrow will be a much calmer day across the eastern states as a ridge of high pressure builds, pushing the East Coast Low further out to sea. Inland locations will remain mostly dry while coastal areas see the odd shower.
© Weatherzone 2015
Weather News - Another ECL for NSWTristan Meyers, 2 September 2015
It's the weather phrase that makes the coastal dwellers of New South Wales shudder - East Coast Low. And we look to be in for another one tomorrow.
Currently, a low pressure system is spinning away in the Bight, but this system and the associated trough will move over New South Wales today. Thundery showers and rain are currently forming across the state, but we can expect the wet stuff to reach the coast late this evening.
Tomorrow the low looks to deepen offshore, close to the Illawarra coast. This mean that areas just recovering from floods like Kiama could see more rain. Fortunately, the rainfall totals don't look as higher as the previous East Coast Low as the system will move away faster. Widespread totals of 10-15mm are likely along the coast extending from northern parts of the Batemans Coast to the Hunter Coast, with some parts seeing up to 30mm.
Dams that are sitting at 100% capacity in the Illawarra region, such as Avon, Nepean and Tallowa, may experience some minor flooding. Sydney's Warragamba Dam is currently at 99.6% full, but should only receive 5-10mm directly, so flooding around Penrith due to these showers is only a slight risk.
We also can expect winds to strengthen along the coast throughout tomorrow to around a sustained southwesterly 50 km/h, with gusts in excess of 80 km/h. The strongest of these winds will be confined to the coastal fringe.
The system is expected to move further east fairly quickly, guided by an upper trough. Rainfall rates and winds should all but drop off entirely by Friday evening. A high pressure ridge will then build across the state, bringing a mostly sunny weekend for New South Wales and much of the east.
© Weatherzone 2015
Weather News - A gusty day for SATristan Meyers, 3 September 2015
Yesterday, much of South Australia was being battered by a low pressure system, sending gusty showers onshore.
Severe weather warnings were issued every three hours yesterday for damaging winds, covering the West Coast, Eastern Eyre Peninsula, Flinders, Lower Eyre Peninsula, North West Pastoral and North East Pastoral.
In the afternoon, Woomera and Tarcoola saw gusts in excess of 70 km/h. The winds gradually eased throughout the evening as the low pressure system shifted northwest, away from SA and into NSW.
Consistent showers throughout the day saw places across the southeast of the state collect a widespread 10-15 mm. The highest total fell at Clare and Mount Lofty, with 18mm each. The usually dry Gluepot collected a modest 11 mm, which works out to be their largest September rainfall total in five years.
The rain and dense cloud means that Adelaide had a rather lackadaisical start to spring, with its coldest September day in five years.
Luckily, a calm day to day and a mostly sunny start to the weekend are ahead as ridge of high pressure builds across the southeast of the nation.
© Weatherzone 2015