- Environment Canada alerts of potential flash floods on the west coast.
- Rain and wind caution result for most Newfoundland on Thursday, with mild temperatures, predicted to make a lot of runoff due to melting snow.
Runoff and floodings expected for all of Nfld and Labrador:
A climate system moving over Newfoundland is predicted to get substantial rain starting Thursday, and Environment Canada alerts impact the whole island.
According to Environment Canada meteorologist Rodney Barney, the rain reaches mild temperatures and problems of effective snowmelt. Southern and western Newfoundland could notice as much as 50 to 90 millimeters of rain and maybe 130 millimeters over higher elevation locations by Friday evening, Barney stated.
“Particularly on the west coast, where there’s a lot of snow on the Long Range Mountains right now, you add that amount of rainfall to it along with those mild temperatures, it could have some rather important runoff,” he stated. Source – cbc.ca
Environment Canada has given rain and wind alerts for the western part of the island, citing heavy rainfalls are probable to induce flash floods and water pooling on roadways and the chance of localized flooding in low-lying regions.
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Eastern Newfoundland will also see a piece of that rain and mild temperatures. Approximately 20 to 30 millimeters are predicted to fall over Thursday and Friday with a high of 10 C.
But the most significant problem will be the wind. Environment Canada has published a wind alert for the region.
Barney told Thursday will be windy on the Avalon Peninsula, but come Friday, winds are predicted to arrive about 110 km/h.
“That mixture of rain, wind, and warm temperatures are going to lead to a lot of snowmelt [and] a lot of runoff over the following 24, 48 hours,” he stated. Source – cbc.ca