Rain, Snow, Fog And Even Some Sunshine: A Little Bit Of Everything Across NL Wednesday
A messy stretch of weather is set to continue across parts of Newfoundland and southeastern Labrador through Wednesday as another area of low pressure swings through the region.
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The good news is that the heaviest rainfall for many areas will have already fallen by late tonight. After midnight, the weather settles into more of a classic Newfoundland spring setup: areas of drizzle, low cloud, fog, and scattered showers, especially across southern and eastern Newfoundland. An onshore southerly flow will keep things damp along the coast, and some areas of dense fog are likely overnight into Wednesday morning.
At the same time, colder air wrapping into the system will allow snow to develop over western Newfoundland, the Northern Peninsula, and southeastern Labrador. This will mainly be an elevation story for the Island portion of the province. Places like Corner Brook, especially higher terrain, think the community of Massey Drive, and inland sections, could wake up to snow Wednesday morning, while lower elevations near Humber Arm and the Bay of Islands may stay closer to rain or a wet slushy mix.
The same idea applies farther north. Along the coast of the Northern Peninsula, snowfall amounts will generally remain fairly limited, but inland higher terrain will likely see more significant accumulations. Drivers heading along Route 430 northwest of Deer Lake should be prepared for changing conditions over elevated sections of highway where snow could briefly accumulate.
Southeastern Labrador is where winter hangs on the hardest Wednesday. Snow is expected to become widespread through much of the day, especially inland and over higher terrain. Route 510, in particular, could turn quite wintry at times as heavier bursts of snow develop. The nature of this system is fairly dynamic, meaning snowfall rates may become intense enough to overcome marginal temperatures despite the fact it’s now May.
Rainfall totals through the remainder of the event will also be notable in some areas. A corridor on either side of the Burgeo Highway, along with parts of the southern shore and southeastern Avalon, could see an additional 25 to 50 mm of rain before things wind down. Elsewhere, most areas are generally looking at another 10 to 25 mm.
Snowfall amounts over the Island will vary dramatically with elevation. Coastal communities in western Newfoundland and along the Northern Peninsula may only pick up 2 to 5 cm, if that, while inland higher terrain could see 5 to 10 cm or more. The highest peaks, including areas around Gros Morne, may locally push beyond that.
Winds will also ramp up as the low pulls northward Wednesday afternoon and evening. Much of southern and eastern Newfoundland, including the Avalon, will likely see gusts between 60 and 80 km/h for a time before conditions gradually improve Wednesday night into Thursday. In the St. John’s metro area, the strongest winds currently look likely between around noon and late afternoon Wednesday.
As for the May 2-4 long weekend, the forecast has actually trended in a slightly better direction compared to yesterday. Friday still looks unsettled with showers for eastern Newfoundland, and Saturday appears rainy province-wide as another low moves through. However, the system now looks faster moving, which means improving conditions are increasingly likely for Sunday and Monday.
Right now, much of Newfoundland and Labrador looks set to salvage a decent second half of the long weekend. Temperatures should climb into the teens across western Newfoundland, with Goose Bay potentially nearing 20 degrees by the holiday Monday. If there was an award for best long weekend weather in the province, Labrador currently looks like the favourite to win it.
The next forecast update will be posted bright and early Thursday morning!
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