Storm and hail warning issued for areas north of Sydney

Parts of the NSW Central Coast and Newcastle are expected to be hit by a severe thunderstorm later today.

A warning has been issued for hail, heavy rain and damaging winds for areas between the northern edge of Sydney and Newcastle , the Bureau of Meteorology  says.

The warning covers the area north of Richmond and Mona Vale, both on Sydney's outskirts, as far as Raymond Terrace, north of Newcastle.

Forecasters say the conditions have eased in the past hour, but the warning remains in place.

The Bureau of Meteorology said in a tweet: "#Severe Thunderstorms have temporarily eased, however a regional warning is still active over the state. If any new development of severe thunderstorms occurs warnings will be issued."

Parts of the NSW Hunter region have already have heavy rain this morning.

Glenbawn Dam saw 38.4mm fall in 60min and Aberdeen got 37.2mm also within just an hour.