{ "number": 442, "headline": "November 24, 2024 Sunday Winter Weather Update", "standfirst": "Uncertain Nor'easter track for Black Friday then long-lasting Arctic blast", "desk": "winter", "dateline": { "place": "Weather Trader", "state": null, "lat": null, "lon": null, "site_key": null, "site_name": null, "site_url": null, "accent": null }, "edition": "2024-11-24", "published": "2024-11-24T21:51:03.053000Z", "updated": null, "access": "free", "body_html": "
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Sunday Headlines

  1. Thanksgiving travel concerns with a storm in the Ohio Valley on Thursday heading into New England into Friday, potential for a Nor\u2019easter, but likely only snow well inland.

  2. Well below normal temperatures from a persistent cold pattern with multiple Arctic blasts east of the Rockies \u2014 through the first week of December.

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Upper Level Height Pattern Next 15-days

Quick look at strong North Pacific ridging that develops into a persistent block. The eastern U.S. is in the right place for continual dumps of Arctic cold air with trough after trough.

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Way down the road at Day 14: December 8

We\u2019ll watch the forecast trends in the coming days to say more about the intensity and longevity of this major Arctic cold into December.

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850 mb temperature anomaly map looks very \u201cPolar Vortex\u201d + Barney colored. Serious stuff.

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Day 10 AIFS 12z also very cold

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Next 8-Days Weather Precipitation Type | ECMWF 12z

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(a) Western U.S. finally gets a break

(b) Ohio Valley low tracks into New England on Thus/Friday

(c) Cold Arctic high pressure follows for next weekend

Thanksgiving Day Morning

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Thanksgiving Day Evening

A lot of potential here!

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Into Black Friday 986 mb in the Gulf of Maine

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Sunday Afternoon Across the Lower 48

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HRRR | Radar Simulation through Tuesday afternoon

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Storm system over Lake Superior could dump up to 6-8 inches of system snow especially on the Upper Peninsula of Michigan.

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Sunday evening front positions

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Low Temperatures on Monday

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High Temperatures on Monday

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Snowfall Forecasts

ECMWF 12z | 7-day Ensemble Median Snowfall

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15-day Ensemble Median Snowfall

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15-day Ensemble % chance of at least 6-inches of snowfall

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Good way to pinpoint larger snow storms or Nor\u2019easters. Not much along the New England coastline including NYC and Boston. Not cold enough, yet.

NOAA Blend of Models 10-day Snowfall Accumulation

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Quick peek at the Blend of Models showing the \u201censemble\u201d smoothing.

Total Precipitation next 7-Days | NOAA WPC

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EPS 12z | 5-Day Chunk Temperature Anomaly

Days 1-5: November 24 - November 28

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Days 6-10: November 29 - December 3

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Days 11-15: December 4 - December 8

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Snowfall Analysis | October 1, 2024 \u2014 today

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Maps sourced from weathermodels.com designed and innovated by yours truly! I actually create all of my content from scratch.

", "body_key": null, "teaser_html": "

Sunday Headlines

Thanksgiving travel concerns with a storm in the Ohio Valley on Thursday heading into New England into Friday, potential for a Nor\u2019easter, but likely only snow well inland.

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