A mysterious fog has shrouded Newfoundland for days. Here’s why

Nfld. & Labrador

Here's the science behind the mist blocking sunlight from hitting swaths of the island.

Fog descended on parts of Newfoundland days ago and it's still here.(Jeremy Eaton/CBC)

Cape Spear's iconic lighthouse normally cuts through the thickest Newfoundland weather.

It's the most eastern point in North America, and these days you can't even see it from shore.

A relentless blanket of mist has enshrouded swaths of the island this week, refusing to budge. It's led to tweets of caution from nervous drivers, memes, and — for some — a disappointing Easter break.

Jack Sharpe was getting bored inside, hiding from the rain during his week off school.

"We decided that we would go for a little picnic up here," he said, nestled in the back of his mom's SUV, playing games and trying to glimpse the ocean through the fog.

"It's a really white wall in front of you," he said. "You can't see through it. You can't see the water. You can barely see the rocks."

The Sharpe family had planned to eat their picnic on a bench, but found the back of their car a little cozier.(Jeremy Eaton/CBC)

A few cars away, clusters of teenagers also wanted out of the house on their time off.

Emma MacIsaac was betting on an awe-inspiring backdrop to document her latest dance moves.

"We came up just for a drive, and were making some TikToks," she said, referring to videos on a popular social media site. "There wasn't much of a view — it's kind of all grey."

Emma MacIsaac, right, wasn't getting much dancing done from the back seat of this car.(Jeremy Eaton/CBC)

Other internet creators leapt at the meteorological aberration.

Newfoundland might boast the world's foggiest area (the off-coast Grand Banks region, according to the Farmer's Almanac), but it usually doesn't hang around the island for this long.

That makes the dreary spring visitor kind of a perfect target.

Memes like this one have popped up in response to days without seeing blue skies.(Townie Memes/Facebook)

Took a selfie in st.john’s today <a href="https://t.co/HOytQKs5ul">pic.twitter.com/HOytQKs5ul</a>


But where did it come from, and why won't it leave?

CBC meteorologist Ashley Brauweiler explains this particular breed of mist is known as a "Rex block," or more scientifically, advection fog.

RDF, 3 letters no one wants to hear/see in a row. A blocking pattern sets up through next week and that means persistent easterlies. <br><br>Don't shoot the messenger… <br><br>One bonus, RDF is the snow eater!<a href="https://twitter.com/hashtag/nlwx?src=hash&amp;ref_src=twsrc%5Etfw">#nlwx</a> <a href="https://t.co/8dGifSgOQz">pic.twitter.com/8dGifSgOQz</a>


"High pressure is sitting south of Greenland, and a low pressure system is sitting south of the Maritimes, with nowhere to go because the ridge of high pressure is in the way," Brauweiler said.

"Until that ridge moves, the low will sit there and funnel all of the moisture our way in easterly winds."

So all that warm, moist air moving over a cold ocean cools the air to its dew point, forming clouds and leaving Newfoundlanders, well, making memes and waiting for it all to clear.

With files from Jeremy Eaton

Credit belongs to : www.cbc.ca

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