{ "number": 227, "headline": "March 3, 2024 Very Warm and Wet Week Ahead But Chance of a Weekend Nor'easter", "standfirst": "Very wet across the East and chance of a Weekend Winter Nor'easter", "desk": "winter", "dateline": { "place": "Weather Trader", "state": null, "lat": null, "lon": null, "site_key": null, "site_name": null, "site_url": null, "accent": null }, "edition": "2024-03-04", "published": "2024-03-04T02:05:41.820000Z", "updated": null, "access": "free", "body_html": "

Weather Trader Update | Sunday Evening

While the Western U.S. is under the influence of a strong Arctic trough, snowfall will continue to pile up in the mountains. More than 100-inches registers on a numerical snowfall analysis but undoubtedly blowing and drifting has made literal mountains out of snowbanks. The videos of Interstate 80 were bone chilling. I would not want to be stranded or as NWS Reno said \u201cimpromptu camping\u201d.

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Meanwhile, east of the Rockies, it is Spring Fever again with temperatures in the 70s well into the Great Lakes including Chicago, Detroit, and maybe Buffalo.

Monday High Temperatures | March 4, 2024

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These high temperatures on Monday are 30-35\u00b0F above normal in the Great Lakes for March 4th. Florida is in the 80s as well as Dallas.

Next 8-Days Weather | ECMWF 12z HRES

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The main story will be flooding / excessive rain first for the Gulf Coast and Southeast and then up into the mid-Atlantic and Northeast.

7-Day NWS WPC Rainfall

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Huge rainfall amounts by mid-week begin to fall across the southern states then up the eastern U.S.

The red is widespread 2-4\u201d or more including D.C., NYC, and Boston, up to 6\u201d locally in Atlanta. Not a fan of this at all.

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Winter Weather Chances in the Northeast

There is an outside chance that the first coastal low could have enough cold air to provide snowfall for New England, perhaps Boston on the very edge and Maine.

However, much better chance of a legit Nor\u2019easter next weekend.

This is a decent snow storm signal for Boston from the 12Z Ensembles \u2014 about a 40-50% chance of accumulating snows.

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The 10-day median snowfall amounts are much less robust for the immediate coastline but 7-10\u201d into northern New England.

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The probability of 3\u201d+ snowfall is 40% range for Boston but 60-90% over Maine.

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AIFS ECMWF | Artificial Intelligence Inference

Early Friday

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Amazing, almost out of the blue, ECMWF provided their AIFS data to the community for free in real-time. So, now we have another \u2014 and probably by far the best \u2014 A.I. trained weather model available along side the other guidance from GFS, ECMWF and other outfits. Unfortunately, we don\u2019t have all of the parameters necessary to show snowfall, but we can deduce it based upon the 2-meter temperatures and precipitation.

AIFS-ECMWF does have a weak area of low-pressure off New England late Thursday, so this is certainly worth watching to see if enough cold air is available. I\u2019d still put the odds at 10% for coastal snow, and 25% for significant inland New England snow on Friday.

Early Sunday AIFS

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However, by the weekend, as we saw in the conventional ECMWF HRES IFS modeling, there is a powerful Nor\u2019easter right over New England in the sweet spot for heavy snowfall.

We will watch AIFS and IFS, as well as the ensembles over the next 1-2 days to nail down the details.

You can view the AIFS-ECMWF as well as the other 4 A.I. models here at Climate Atlas:

A.I. Weather Models

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Overall Warmth Continues into Mid-March

ECMWF AIFS

Week 1 | Next 7-Days | March 3 - March 10, 2024

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Week 2 | March 10 - March 17, 2024

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Climatology increases each week heading into Spring, so these above average temperatures mean that much more!

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Weather Trader Update | Sunday Evening

While the Western U.S. is under the influence of a strong Arctic trough, snowfall will continue to pile up in the mountains. More than 100-inches registers on a numerical snowfall analysis but undoubtedly blowing and drifting has made literal mountains out of snowbanks. The videos of Interstate 80 were bone chilling. I would not want to be stranded or as NWS Reno said \u201cimpromptu camping\u201d.

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