Rain will put a dampener on the normal Christmas of yard gatherings and picnics on the seashore throughout NSW, whereas extreme thunderstorms with harmful winds and enormous hail stones might hit the areas this afternoon.
Dylan Chicken, a meteorologist with the Bureau of Meteorology, mentioned the moist and stormy climate would proceed all through Christmas Eve, Christmas Day and Boxing Day.
“What we’re seeing proper now could be precisely what it might appear to be [on Christmas Day], doubtlessly even stormier tomorrow in Sydney and far of NSW, so it’s undoubtedly wanting like it can dampen the outside festivities,” Chicken mentioned.
The storms might persist into Boxing Day when the Sydney-to-Hobart yacht race kicks off, and Chicken mentioned there was the potential for hail alongside the route.
Chicken mentioned the storms over the Sydney Basin, Central Coast and Illawarra had largely hit south-west Sydney and the interior west by Sunday lunchtime and weren’t extreme. He anticipated this area to expertise rolling storms all through Sunday afternoon and likewise within the Hunter Valley bringing remoted heavy rainfall.
“We see storms redeveloping over one another time and again and once more, so we’d see rain growing and we might see flash flooding dangers or a danger to street customers,” Chicken mentioned.
A big swath of NSW together with from the southern Riverina all the way in which to the Central Tablelands, and likewise on the north coast, may very well be hit by extra extreme storms.
Chicken mentioned this might embody wind gusts higher than 90 kilometres an hour, massive hail greater than two centimetres in diameter and localised heavy rainfall with the chance of flash flooding. Within the New England and Northern Rivers areas, there was an extra danger of a “supercell thunderstorm”, which suggests it has a rotating core, bringing big hail.
A spokesperson for the State Emergency Service mentioned there was loads of storm exercise leading to 55 incidents within the final 24 hours. Nevertheless, he mentioned there have been no main incidents but, with the worst of the climate to come back later this afternoon.