Eastern NSW cops a drenchingRob Sharpe, Saturday April 20, 2013 - 10:29 EST
Heavy showers are moving from the South Coast to the Mid North Coast today before mostly sunny skies return on Sunday.
The heaviest fall to 9am was at Ulladulla where 158mm drenched the coastal town and was also their heaviest April rain in 24 years of records. In just half hour an a storm pelted 40mm of rain.
Nowra also had 74mm, its heaviest April rain since at least 1991. A bit further north flash flooding was reported in Gerringong, which has been hit by multiple heavy showers.
In Sydney, Cronulla gained 56mm by 9am and the city recorded 34mm in the gauge. Just after 9am Observatory Hill copped a thunderstorm with a whopping 12mm in only four minutes.
The heavy rain is due to an offshore low pressure system driving most onshore winds onto the coast. Showers are most widespread and pushing furthest inland in the Illawarra during the mid morning as southeasterly winds are strongest.
Around the middle of the day the area with the most showers will move into the Sydney region and then into the Hunter as winds become strongest behind the trough.
In the South Coast showers have already eased with only a few showers on the coastal fringe. Similar conditions will gradually edge further north, affecting Sydney in the late afternoon.
The heaviest showers will reach the Mid North Coast tonight before the low pressure system moves further away from the coast tonight.
Tomorrow will be the day to get out and about in NSW as there will only be the odd light shower along the coastal fringe during the morning. Skies will be mostly clear until the afternoon when a weak trough in western New South Wales will deliver showers to the west and cloud to the east.
© Weatherzone 2013
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