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Tulip Trouncer Threat IV


Baroclinic Zone

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Ryan, you've done a great job analyzing this system. A lot of people...even down to the coast...even here are/have been expecting snow. In order to get good snow this time of year the moon and the stars have to align perfectly and it just aint happening. Nobody should be surprised. The final third of this season beyond February 2nd has been terrible and not even the weather equivalent of Karl Rove can spin this any other way. When's it supposed to warm up??

I respectfully disagree.

I remember the April 1, '96 storm and Boston got hammered with nearly 2'.

Maybe for you on the south coast you will likely get rain, but BOX is showing me with .7". I find that hard to believe. I also think it's better to be safe than sorry. I honestly believe I have a ~50% chance of seeing a foot of tree snapping power line falling mashed potatoes.

Edit, appears BOX upped my totals to about 4". Reasonable, but I still think shy.

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Not a shocker based on my own analysis a while ago:

UPDATE AT 910 AM... THE 06Z GFS IS COLDER THAN THE PREVIOUS

RUN AND THE 00Z ECMWF 850-700 MB 1540 LINE IS A TAD COLDER THAN

THE 00Z GFS. THIS HAS BIG IMPLICATIONS FOR AREAS IMMEDIATELY EAST

OF OUR CURRENT SNOW/RAIN LINE. AS A RESULT...AM UPPING SNOW

AMOUNTS FOR EASTERN HAMPDEN...EASTERN HAMPSHIRE...SOUTHERN WORCESTER...

AND MIDDLESEX COUNTIES IN MA AS WELL AS SOUTHERN HILLSBOROUGH

COUNTY IN NH...AND HARTFORD AND TOLLAND COUNTIES IN CT. NAM 2M

TEMPS DROP TO THE LOW TO MID 30S IN THOSE AREAS AFTER THE

PRECIPITATION BEGINS IN EARNEST THIS EVENING...WHICH IS ABOUT 3

DEGREES COLDER THAN CURRENT GRIDS REFLECT. THIS WILL NECESSITATE

THE EXPANSION OF ADVISORIES ABOUT ONE TIER EASTWARD.

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Not a shocker based on my own analysis a while ago:

UPDATE AT 910 AM... THE 06Z GFS IS COLDER THAN THE PREVIOUS

RUN AND THE 00Z ECMWF 850-700 MB 1540 LINE IS A TAD COLDER THAN

THE 00Z GFS. THIS HAS BIG IMPLICATIONS FOR AREAS IMMEDIATELY EAST

OF OUR CURRENT SNOW/RAIN LINE. AS A RESULT...AM UPPING SNOW

AMOUNTS FOR EASTERN HAMPDEN...EASTERN HAMPSHIRE...SOUTHERN WORCESTER...

AND MIDDLESEX COUNTIES IN MA AS WELL AS SOUTHERN HILLSBOROUGH

COUNTY IN NH...AND HARTFORD AND TOLLAND COUNTIES IN CT. NAM 2M

TEMPS DROP TO THE LOW TO MID 30S IN THOSE AREAS AFTER THE

PRECIPITATION BEGINS IN EARNEST THIS EVENING...WHICH IS ABOUT 3

DEGREES COLDER THAN CURRENT GRIDS REFLECT. THIS WILL NECESSITATE

THE EXPANSION OF ADVISORIES ABOUT ONE TIER EASTWARD.

Nice.....CCB of reality finally got cranking over BOX.

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GFS boundary conditions aside...I've always thought the NAM suffered more because of it's NMM core physics than its initialization.

Yeah it's convective parameterization can lead to some wild and unstable solutions. Sometimes, however, it can be superior. Just depends on the situation.

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Kevin, your area is tricky. Maybe the GFS goes se again, but there's a weird feeling with this one. I certainly would feel better if it went se for that 6-8".

Yeah I'd like to see the GFS and Euro tick SE and keep things wrapped up to start talking about 6" totals there.

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