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Potential widespread snow event for Wednesday Night through Thursday.


CoastalWx

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SNE could really get under a nice mid-level comma head if we see a solution close to that. We've been seeing signs on the RH field for a couple days now and the qpf is slowly starting respond. Maybe it won't come all the way as north as we want it, but there's def a bit more room to see that happen.

Even the SREFs have a nice comma head lingering and slowly rotting overhead on Thursday. I'm starting to feel pretty good about some snow, and the timing will work out pretty well I think. I still want to see some good lift for areas along the coast, so that it won't be a 34F snow that sticks to random cold spots on the ground, but I like seeing that comma head feature straddling the Pike area. Ideally, I'd like to see this really wrap up near the BM. The euro came close to that.

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okx pretty conservative, not even an advisory here, thinking this is mainly elevation accumulating snows, which I agree with during the daytime tom, tom night I believe is a different story, oh well.

We're under an advisory here.

I think the most important thing for you will be how much gets thrown back from the coastal tomorrow evening as temperatures drop with the sunset. You could definitely meet advisory criteria in that case.

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I can't wait for wiz's first severe thread that produces a marginal cell in Litchfield county and nowhere else. Also can't wait for discussing whether the high will reach 77 or 72....that is so much more fun than tracking winter storms. :sun:

Look at all the posts and excitmenet we've had over the last 4- days as compared to the previous 20 days...It was so boring until the last few days

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We're under an advisory here.

I think the most important thing for you will be how much gets thrown back from the coastal tomorrow evening as temperatures drop with the sunset. You could definitely meet advisory criteria in that case.

Its going to come down to intensity, yesterday it had no problem sticking with a warm ground and warm bl temps due to the moderate rate of snowfall.

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SW CT still gets warning criteria. Maybe an advisory up to HFD or TOL. According to the nam no one in mass gets more then 1" though. arrowheadsmiley.png

It gives Ray like 5 flakes, lol.

Its amazing how different the GFS and NAM are this close in.

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Its going to come down to intensity, yesterday it had no problem sticking with a warm ground and warm bl temps due to the moderate rate of snowfall.

Yeah, I think they should go with a warning in SE NY and SW CT. 18z NAM shows nearly 1" liquid falling as snow in some areas. That's heavy banding at 30 hours with nearly .4" QPF in one frame in the form of snow.

We managed to get over 1" snow yesterday with some BS wave and 850s of -0.5C and surface temps starting near 40F. This is going to be a lot more serious.

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URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE UPTON NY

349 PM EDT TUE MAR 22 2011

...EARLY SPRING SNOW ON THE WAY...

CTZ005-006-NJZ004-103-NYZ068>070-230400-

/O.NEW.KOKX.WW.Y.0010.110323T1000Z-110324T1400Z/

NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-EASTERN PASSAIC-

WESTERN BERGEN-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-

349 PM EDT TUE MAR 22 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 10 AM

EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER WEATHER

ADVISORY FOR MODERATE SNOW...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY

TO 10 AM EDT THURSDAY.

* LOCATIONS...PORTIONS OF NORTHEAST NEW JERSEY AND THE LOWER

HUDSON VALLEY...AND INTERIOR SOUTHWEST CONNECTICUT.

* HAZARD TYPES...MODERATE SNOW.

* ACCUMULATIONS...2 TO 5 INCHES OF SNOW. HIGHEST AMOUNTS WILL

OCCUR OVER HIGH ELEVATIONS.

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If the NAM is right.. the Upton forecast of basically no accumulations in NYC will crash and burn badly.

Yeah, I think they should go with a warning in SE NY and SW CT. 18z NAM shows nearly 1" liquid falling as snow in some areas. That's heavy banding at 30 hours with nearly .4" QPF in one frame in the form of snow.

We managed to get over 1" snow yesterday with some BS wave and 850s of -0.5C and surface temps starting near 40F. This is going to be a lot more serious.

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confluence FTL congrats SW ct.......wouldn't be suprised if E ct/ RI got skunked as well. S Ny where zucker is (and esp. 500') or so into SW CT Danbury S (elevated) looks like solid warning criteria.

i just remember seeing confluent flow and models kind of over do N extent of precip and areas East and north get much less. i wouldn't feel that comfortable outside sw ct for advisory snows right now do to confluence....(sw ri (300'+) could prob also be added but no where else at this stage.....but that's just a weenie opinion.

i mean does it concern anyone that where relying on best lift well N of low.....up into a confluent flow. seems like sharp have's have not's and my line is from danbury /torrington ESE toward exeter , RI.

so ESE windflow over cold air v. confluence .

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kev i would have done the same thing just to let people know that the chance is there for something more to happen if this does trend north its going to take alot of people off guard a watch can always be downgraded to an advisory so i dont know why they didnt do it there the pros though i just would have expected the same thing we will see though

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