Posted 21st Feb 2018.Heavy rain is forecast across South East QLD and North East NSW during the next 4 days. Accumulation totals along the coast are expected to exceed 100mm with possible locally higher falls of 200mm which may lead to flash flooding. Storms some severe are also a chance with heavy rain. There is an increased RISK of water spouts crossing the coastline.Above image via Higgins Premium.
A deep onshore flow is producing scattered showers and rain areas across the South East Coast, Wide Bay and Burnett districts on Wednesday. This activity is likely to continue overnight Wednesday into Thursday morning.
A coastal trough is forecast to develop in the Coral Sea and track West during Thursday to cross the coast later in the day. This trough will lead to a significant increase in rain activity through the South East Coast, Wide Bay and Burnett districts and also the Northern Rivers of NSW. Moderate to Heavy falls are likely to develop during the afternoon and evening which may lead to flash flooding. There is a chance of thunderstorms developing also which could become severe with heavy rainfall. Thursday provides the highest risk for waterspouts crossing the coast which could cause isolated pockets of damage.
On Friday the trough remains inlace across the Wide Bay and South East QLD coasts while shifting further South into the Northern Rivers of NSW. Scattered showers, storms and rain areas with moderate to locally heavy falls likely to continue which may lead to flash flooding. Some storms may be severe with heavy rain.
During Saturday the surface trough is forecast to be located just inland. This is likely to lead to scattered showers and storms across South East QLD and North East NSW with some storms likely to be severe with heavy rain. Again flash flooding will be a risk.
The heaviest rain is forecast along the coast and adjacent hinterland and valley regions. Further West of the ranges rainfall totals taper down. Detailed 24hr rainfall and thunderstorm forecasts available via our HSC Premium Membership service. Click here to subscribe!