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flamingdem

(39,313 posts)
Mon Jan 26, 2015, 05:10 PM Jan 2015

Boom! Blizzard Could Be Strong Enough to Produce Rare Thundersnow

* In the South they're expecting Snownados!

Forecasters say the blizzard roaring into the Northeast overnight could be powerful enough to produce a weather phenomenon as loud as it is rare — thundersnow.

It's just what it sounds like — snow accompanied by thunder and lightning. It happens when the atmosphere is especially unstable, and the National Weather Service in Boston is warning that it could occur during the worst of the approaching storm.

http://www.nbcnews.com/storyline/blizzard-15/boom-blizzard-could-be-strong-enough-produce-rare-thundersnow-n293856

21 replies = new reply since forum marked as read
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Boom! Blizzard Could Be Strong Enough to Produce Rare Thundersnow (Original Post) flamingdem Jan 2015 OP
The rule of thumb here in Iowa is that rsdsharp Jan 2015 #1
Yeah, we've dealt with this thundersnow crap once or twice here in Iowa! bullwinkle428 Jan 2015 #14
we are writing the script right now olddots Jan 2015 #2
I've had thundersnow in two different storms. It's pretty awesome. NutmegYankee Jan 2015 #3
If it weren't for the dangers this storm Control-Z Jan 2015 #4
Was out in one of these in Bloomington, Il. a long time ago. djean111 Jan 2015 #5
blizzardnado!!11 flamingdem Jan 2015 #6
I was in an airplane that tried to fly into a thundersnowstorm once Art_from_Ark Jan 2015 #7
Cantore re: thundersnow LiberalElite Jan 2015 #8
Could it involve flying snow sharks? aint_no_life_nowhere Jan 2015 #9
Yes! As well as flamingdem Jan 2015 #11
One of my grandsons was born in Zorra Jan 2015 #10
Great story! flamingdem Jan 2015 #12
Rare for the east, I guess? I've experienced it many times. Brickbat Jan 2015 #13
Ice Sharks! Baitball Blogger Jan 2015 #15
That's gotta hurt flamingdem Jan 2015 #16
Mahalo flamingdem.. Cha Jan 2015 #17
My first experience with thundersnow was December 1990 in Seattle: freshwest Jan 2015 #18
It's bringing back old and cold memories for you? flamingdem Jan 2015 #19
Woodstoves are common here, and allowed to be used even during burn bans if there's no electricity. freshwest Jan 2015 #20
Saw thundersnow between Las Cruces, NM and El Paso, TX back in the 1980's Quixote1818 Jan 2015 #21

rsdsharp

(9,186 posts)
1. The rule of thumb here in Iowa is that
Mon Jan 26, 2015, 05:17 PM
Jan 2015

thundersnow means at least twelve inches. They are already expecting 2-3 feet. I hope it's not even worse than that.

Control-Z

(15,682 posts)
4. If it weren't for the dangers this storm
Mon Jan 26, 2015, 05:32 PM
Jan 2015

poses, "thundersnow" sounds scary cool! I would love the experience, in a safe location, of course.

More than anything, I hope the homeless have warm shelter throughout.

Art_from_Ark

(27,247 posts)
7. I was in an airplane that tried to fly into a thundersnowstorm once
Mon Jan 26, 2015, 10:18 PM
Jan 2015

Last edited Tue Jan 27, 2015, 01:27 AM - Edit history (1)

Memphis, Tennessee to Fayetteville, Arkansas, just before Christmas, in a 30-seat twin propeller plane. On the Memphis side of the front, the temperature was around 68 degrees. On the Fayetteville side, where it was snowing, the temperature was around 20 degrees. After about 20 minutes of bucking and shaking from the strong winds and frequently seeing lightning just outside the plane, we ended up turning around and going back to Memphis. At least the airline company was kind enough to put us up in a hotel for the night.

LiberalElite

(14,691 posts)
8. Cantore re: thundersnow
Mon Jan 26, 2015, 10:24 PM
Jan 2015
http://bostinno.streetwise.co/2015/01/26/bostons-blizzard-may-bring-some-thundersnow/

-snip-

There's a blizzard warning in effect for Boston from 7 p.m. Monday night to 1 a.m. Wednesday morning.

Snow accumulations of 20 to 30 inches are possible. There's potential for whiteout conditions with near-zero visibility at times with wind gusts as high as 65 to 75 mph. Hazardous, possibly life-threatening travel conditions are expected.

Another potential hazard: thundersnow. Yes, thundersnow. All you really need to know about this weather phenomenon is that it does in fact exist – and no one is more fascinated by it than the Weather Channel's Jim Cantore.

-snip-

freshwest

(53,661 posts)
18. My first experience with thundersnow was December 1990 in Seattle:
Tue Jan 27, 2015, 01:30 AM
Jan 2015


The Mother of All Convergence Zones

Posted on December 23, 2012

...Tuesday, Dec. 18, 1990, began on a relatively calm note in Seattle, with temperatures at the stroke of midnight resting in the low- to mid-40s under overcast skies. To the north, however, there was trouble brewing—with arctic air from Canada slowly sinking toward the Washington border.

As night turned to morning, the cold air began spilling into the state, dropping the temperature around Puget Sound into the upper 30s. Then, right around lunchtime, a powerful—and unpredicted—Puget Sound Convergence Zone formed near Lynnwood, and all hell broke loose...

Heavy, wet snow fell in droves as the Convergence Zone roared south into Seattle in the early afternoon, blanketing freeways and blinding motorists. Accompanied by howling northerly winds, the Zone peaked in intensity right over downtown—dumping a foot of snow in the heart of the city. As if that weren’t enough, lightning flashed overhead as peals of thunder boomed from the sky—treating stunned Seattleites to a spectacular display of thundersnow. (Thundersnow—thunder, lightning and snow, all rolled into one—also hit the region on Mar. 7, 2002 and Dec. 18, 2008, courtesy of the Convergence Zone.)

The Zone also spread its wrath to the other side of Lake Washington, dropping up to 14 inches of snow in places like Bellevue, Kirkland and Redmond as the afternoon wore on. The heavy snow caught the entire region off guard—so much so that over a thousand children in the area, trapped at school when the storm hit, were forced to spend the night in their classrooms.

Eventually, the Zone began fizzling as it meandered south of Renton, bringing only 2.5 inches of snow to Sea-Tac Airport. In the wake of the blizzard, however, the mercury plummeted as cold Canadian air settled in. By 11 p.m., the temperature at Sea-Tac stood at 21 degrees, with bitter north winds gusting to 43 mph. In Bellingham, it was even worse, with a 16-degree temperature and winds blasting above 60 mph...

http://www.seattleweatherblog.com/snow/the-mother-of-all-convergence-zones/

We lucked out. The kid got home from school just before kids got stuck and had to spend the night there. We'd already stocked up on food and Christmas gifts, didn't need anything. I was surprised by the thunder and cracked sounds of lightning. Kept thinking "Whaa?"

So we did very well. School was out and we never lost heat or power and took tons of pictures out in the snow later and out the window where the living Christmas trees were covered with the snow. We watched all that was happening on television and were very grateful to keep power and be able to stay at home.

I felt very sorry for those who were out in the weather, trying to get to work and the parents and kid who were separated for a while from the snow event. As it settled in we had a great time. Others, not so much.

Hope that our DUers in all these areas are able to keep their power and heat on and stay off the roads. For those who must get out, take care and our wishes for your safety in all of this weather with no car accidents, or slips on the stairs or pavements!




flamingdem

(39,313 posts)
19. It's bringing back old and cold memories for you?
Tue Jan 27, 2015, 02:21 AM
Jan 2015

+1 to your concerns for DUers in those areas.

I don't really understand what people do when their heat goes out
Maybe that's why they still have fireplaces in New England!

freshwest

(53,661 posts)
20. Woodstoves are common here, and allowed to be used even during burn bans if there's no electricity.
Tue Jan 27, 2015, 02:34 AM
Jan 2015

Last edited Tue Jan 27, 2015, 03:34 AM - Edit history (1)

Fortunately, we were snug and warm.

I've lived with just a wood stove for heat in windy, cold, icy weather and it's a job keeping it going and the pipes from freezing.

I have seen a few DUers detail their alternatives in those areas, but some will be in the cold and dark, if they aren't in living situations allowing them to heat off the grid.

And this will be very rough, but Sandy was a hundred times worse, I think. Hoping for the best and that no one dies of carbon monoxide as some do from alternative heating, or from accidentally setting their house on fire.

I'm a bit confused as to why Cuomo has shut down the NYC subways...

It made sense during Hurricane Sandy, but the subways won't flood from this. I keep hoping to see a reason for it, but it's said that it is being kept open for PD and FD to use... but no one else?

I think PD and FD could share with other workers like hospital and other essentials who need to get about town and those who are going to help their families and friends. Other than that, NYC should take the day off from trying to get around.

Go thread, thanks!

Quixote1818

(28,946 posts)
21. Saw thundersnow between Las Cruces, NM and El Paso, TX back in the 1980's
Tue Jan 27, 2015, 03:07 AM
Jan 2015

It was an extremely heavy, wet snowstorm! There was only one bolt of lightning but there is no doubt that it was lightning.
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