Heavy snow slams parts of the East Coast, storm parade persists this week

Heavy snow slams parts of the East Coast, storm parade persists this week
Heavy snow slams parts of the East Coast, storm parade persists this week

Winter storm and snowfall warnings cover parts of Newfoundland, as the next potent system threatens 15-20+ cm of snow through early Wednesday. The fresh snow combined with gusty winds threatens blowing snow at times, especially over exposed areas, causing reduced visibilities and dangerous travel conditions. This time around, the Maritimes will be spared, but eyes are already on the next system late week, which could bring heavy amounts of snow, as well as ice pellets, freezing rain and powerful winds. More on the active storm track that persists over Atlantic Canada through the start of January, below.

TUESDAY INTO WEDNESDAY: WINTER STORM TAKES AIM AT NEWFOUNDLAND, MARITIMES SPARED

A surge of Arctic air spilling over the Atlantic provinces will keep the region quite cold again Tuesday. Meanwhile, another storm tracking south of the Maritimes is on a collision course with Newfoundland with a round of heavy snow and blustery winds promoting winter storm and snowfall warnings, as well as special weather statements for the island.

Snow will spread across the Avalon Peninsula through the day, followed by strengthening northerly winds, with gusts reaching 40-60+ km/h. Combined with freshly fallen snow, this will result in blowing snow at times, especially over exposed areas, causing reduced visibilities.

The southern Avalon may see 15-20+ cm of snow by the time it departs.

ATLSnow (7)
ATLSnow (7)

“Rapidly accumulating snow could make travel difficult over some locations. Surfaces such as highways, roads, walkways and parking lots may become difficult to navigate due to accumulating snow,” says Environment and Climate Change Canada in the snowfall warning for St. John’s and vicinity.

The Maritimes will escape much of the wrath of this storm, with perhaps a few passing flakes for southern Nova Scotia Tuesday.

Temperatures across the Atlantic will be quite chilly, with daytime highs ranging from the minus single digits to the minus teens.

ATLWIND
ATLWIND

Conditions will improve in southern Newfoundland in the overnight hours, while there will be sea-effect snow on the northern coast on the backside of the low into Wednesday.

WEDNESDAY AND BEYOND: MILDER AIR RETURNS WITH AN ACTIVE PATTERN

Temperatures will warm up again on Wednesday as a milder pattern returns to Atlantic Canada.

Wednesday’s highs are set to climb above freezing everywhere but northern New Brunswick and much of Newfoundland. Readings will flip to above-seasonal levels in Nova Scotia, where Halifax will see a high of 5°C on Wednesday and a relatively balmy 8°C on Thursday.

atlwed
atlwed

The warmer temperatures will continue through the end of the week before chillier weather returns.

In addition to the warm-up, there is another potent system right on the heels of Tuesday’s storm. The setup involves a snowy Alberta clipper and a mild Atlantic low-pressure system, moving into the Maritimes Wednesday afternoon.

It will bring heavy rain for Nova Scotia and much of New Brunswick and P.E.I. in the afternoon and evening, and snow for northern New Brunswick with freezing precipitation in central areas of the latter.

FRIDAY: EYES ON A LATE WEEK STORM THAT THREATENS MORE HEAVY SNOW

A more powerful winter storm is on track for week’s end, as a large and strong area of low pressure rapidly intensifies as it tracks into the region Friday night. Because the exact storm track is uncertain at this time, it is too early to have confidence in the storm totals.

Primarily rain is expected for southern areas including Halifax however, with heavy snow threatening much of New Brunswick, parts of P.E.I. and eastern Quebec. In Newfoundland, the precipitation may mix with ice pellets and freezing rain, while staying as heavy snow for western sections of the province.

Strong winds are forecast throughout, with gusts of 70-100+ km/h possible.

Check back for the latest on conditions with the active storm track across Atlantic Canada

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July 6th 2022, Wednesday
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