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Mark Margavage Profile
Mark Margavage

@MeteoMark

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Meteorologist, Winter Weather Specialist, and Snow Storm Chaser. Certified Airman 👨🏻‍✈️ PSU 2008. Wilkes U. 2016

Northeast PA
Joined February 2013
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@MeteoMark
Mark Margavage
2 months
My 2024-25 Winter Forecast Issued to Patreon Subscribers on November 4th is now public. As mentioned in yesterday’s post, according to the latest ENSO update, we are locked in for an ENSO Neutral Winter, so while I did cover the possibility of a weak La Niña in this video, it has since become clear that the ENSO Neutral Package is more appropriate for the upcoming winter. Enjoy! ~Meteorologist Mark Margavage #WinterIsComing #wxtwitter #wxX
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@MeteoMark
Mark Margavage
4 hours
Idk what you’re talking about Andrew but a PV split at this time of year would mean that there’s potential for my area to see some absolutely HUGE snowstorms in March. 2 out of the top 3 biggest snowstorms ever in my area have happened in mid-March thanks to just such a PV disruption.
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@MeteoMark
Mark Margavage
4 hours
It’s Glorious! #wxtwitter #wxX
@judah47
Judah Cohen
4 hours
Mid-tropospheric polar cap geopotential heights are predicted to achieve a winter peak next week. Based on my latest paper ( around & following the peak is the best potential for severe winter weather including #snow for Europe, East Asia & the Eastern US.
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@MeteoMark
Mark Margavage
4 hours
@thaweatherclown I haven't changed my thoughts on that. A split is possible, but an extreme stretch is still the most likely solution until the predicted wave-2 pattern actually materializes.
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@MeteoMark
Mark Margavage
4 hours
@BrenArmitage92 Unless you are in along the southern tier of in the Laurel Highlands of PA, it doesn't mean anything because the storm will be south of you. For those other locations it's just a light snow.
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@MeteoMark
Mark Margavage
5 hours
@MikeTFox5 Ever since they got the option to call a "virtual day" at the schools around me, they've basically eliminated dismissals. If there's snow or ice in the forecast, they just go virtual. Not only that but they will call it at 4pm the day before.
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@MeteoMark
Mark Margavage
5 hours
I would say nearly 100% of storms would cut to the interior with that kind of set-up, if you assume this 500mb chart is 100% accurate. Sure there's a 50/50 low, but the Atlantic Ridge is way too far west and there is no Alaskan Ridge to amplify the trough. Just follow the height lines from Mississippi... Any storm that would form in the Mississippi Valley would have to ride along the SW flow. The only way you can get an East Coast snowstorm out of this pattern is if the Atlantic Ridge is further East and there's more ridging in Alaska. If neither of those things happen, this will not be snow at the coast.
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@MeteoMark
Mark Margavage
6 hours
@Mersk33 I'm forecasting storms. It makes no difference to me where they end up.
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@MeteoMark
Mark Margavage
19 hours
@tornadopaigeyy I found myself thinking.... either this is terrible or I am completely out of touch with pop culture.
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@MeteoMark
Mark Margavage
22 hours
What exactly am I watching here…?
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@MeteoMark
Mark Margavage
1 day
@dave_mcginley The Mayor of Philadelphia 🤷🏼‍♂️
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@MeteoMark
Mark Margavage
1 day
@Soar_WX I have an entire page of reports that range from 11-14”
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@MeteoMark
Mark Margavage
1 day
RT @WeatherNut27: Loop past 24hrs with metars and storm reports. February 8-9, 2025 Snowstorm
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@MeteoMark
Mark Margavage
1 day
@BronxWX The 1z where the storm had already started 😂
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@MeteoMark
Mark Margavage
1 day
There’s a narrative floating around in my comments that the NAM did well on this storm… uhhh what!? 🤨 It was 100% wrong in the circled area. #wxtwitter #wxX
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@MeteoMark
Mark Margavage
1 day
@weatherwilly That 540 line is awfully far north for a snowstorm. If the Alaskan Ridge were to amplify at the expense of the Atlantic Ridge, then perhaps... But as is, this would be a mess for anyone east of Michigan.
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@MeteoMark
Mark Margavage
1 day
First Sign of Global Cooling following the 2021 Hunga-Tonga 🌋Eruption?? If confirmed, Krasnoyarsk Russia has reported what will become a new low temperature record for the Northern Hemisphere… -73°C (-99.4°F) The previous coldest temperature ever recorded in the Northern Hemisphere is -69.6°C (-93.3°F), which was measured on December 22, 1991, at a weather station near the summit of the Greenland Ice Sheet. Graph below from @_ClimateCraze 👇 #climate #wxtwitter #wxX
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@PullNews
David Siegel
2 days
Krasnoyarsk Russia sets a new low-temperature record: Minus 73 degrees Celsius. Must be the CO2 ...
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