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3/23 - 3/24 Winter Storm


NEG NAO

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Here are my last three years:

08-09: 45"

09-10: 68"

10-11: 67"

Estimating from the town co-op before I measured, I had about 60" in 02-03, 55" in 03-04/04-05, 40" in 05-06, 18" in 06-07/07-08.

Long term average is 36" for the Dobbs Ferry co-op, my house is probably like 38"/season. But the rich have been getting richer lately.

In terms of this storm, I think the gradient is mostly going to be south of here at the Bronx border. I see most of the suburbs getting 4-8", except that there's a signal on models for a really strong band in NE PA and extreme NNJ, so some people in North Jersey might see more. Hopefully that banding makes it to you as well. I think there will be a sharp drop-off when you hit urban areas and LI South Shore, where less will fall.

Here are a few things to note in terms of gradients. It snowed here for the better part of two hours on Monday... Enough to get a slushy accumulation on the cars. I wasn't on the forum, but I know I didn't see any snow in the hourly updates from KNYC.

There was a nice little storm here in March of 04... I believe March 19? where KNYC officially received a trace (though I think it was more like an inch from the pictures). We stayed snow and got 4 inches. I know Scarsdale had 6.

Bottom line is the gradient will most likely be either 287 N or GWB N based on climo. Don't know which one it will be. I don't usually see it set up in between there. Of course, each storm is different.

From that March 19th storm thanks to a pic Don Sutherland posted of mine on his weather archive:

03192004-20.jpg

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Guest Pamela

There was a nice little storm here in March of 04... I believe March 19? where KNYC officially received a trace (though I think it was more like an inch from the pictures). We stayed snow and got 4 inches. I know Scarsdale had 6.

Classic suburbs only snow event...

PUBLIC INFORMATION STATEMENT

SNOWFALL REPORTS

NATIONAL WEATHER SERVICE UPTON NY

1115 AM EST FRI MAR 19 2004

THE FOLLOWING ARE UNOFFICIAL SNOWFALL REPORTS FROM THE MORNING OF

MARCH 19, 2004, FOR SOUTHEAST NEW YORK...NORTHEAST NEW JERSEY AND

SOUTHERN CONNECTICUT.

STORM TIME/DATE COMMENTS

LOCATION SNOWFALL OF

(INCHES) MEASUREMENT

CONNECTICUT

...FAIRFIELD...

NEW CANAAN 7.0 645 AM 3/19

WESTPORT 5.9 840 AM 3/19

DARIEN 5.3 800 AM 3/19

BRIDGEPORT 5.0 1020 AM 3/19

NORWALK 4.5 715 AM 3/19

SHELTON 4.0 945 AM 3/19

BETHEL 3.5 1000 AM 3/19

DANBURY 3.1 900 AM 3/19

...NEW HAVEN...

MADISON 5.5 1030 AM 3/19

BRANFORD 5.0 800 AM 3/19

NEW JERSEY

...BERGEN...

RIVER VALE 4.4 815 AM 3/19

FAIR LAWN 2.6 700 AM 3/19

RAMSEY 2.3 1000 AM 3/19

...ESSEX...

WEST ORANGE 3.5 900 AM 3/19

NEWARK 1.1 700 AM 3/19

...PASSAIC...

WEST MILFORD 7.5 630 AM 3/19

CHARLOTTESBURG 5.0 800 AM 3/19

LITTLE FALLS 4.8 745 AM 3/19

NEW YORK

...KINGS...

GRAVES END 0.7 820 AM 3/19

...NASSAU...

WOODBURY 4.0 1050 AM 3/19

ROCKVILLE CENTRE 2.2 1110 AM 3/19

MERRICK 2.0 1030 AM 3/19

OCEANSIDE 1.6 1000 AM 3/19

HICKSVILLE 1.3 650 AM 3/19

...NEW YORK...

CENTRAL PARK TRACE 700 AM 3/19 MELTING ON CONTACT

...ORANGE...

NEW WINDSOR 2.0 900 AM 3/19

MIDDLETOWN 1.7 930 AM 3/19

...QUEENS...

LGA AIRPORT 0.8 900 AM 3/19

RIDGEWOOD 0.7 1000 AM 3/19

...ROCKLAND...

NEW HEMPSTEAD 6.0 830 AM 3/19 650 FT ELEVATION

VALLEY COTTAGE 4.0 930 AM 3/19

NEW CITY 4.0 930 AM 3/19

SPARK HILL 3.2 930 AM 3/19

ORANGEBURG 2.9 1000 AM 3/19

...SUFFOLK...

EAST SETAUKET 5.5 1010 AM 3/19

CENTEREACH 4.4 1000 AM 3/19

UPTON (NWS) 4.0 1115 AM 3/19

WADING RIVER 4.0 1100 AM 3/19

MT. SINAI 4.0 930 AM 3/19

LAKE GROVE 4.0 930 AM 3/19

CORAM 4.0 1000 AM 3/19

ST. JAMES 3.6 1040 AM 3/19

EAST HAMPTON AIRPORT 3.2 930 AM 3/19

BAITING HOLLOW 2.3 800 AM 3/19

CENTERPORT 2.0 810 AM 3/19

HICKSVILLE 1.3 700 AM 3/19

LAKE RONKONKOMA 0.8 745 AM 3/19

...WESTCHESTER...

WEST HARRISON 6.8 1000 AM 3/19

THORNWOOD 6.5 645 AM 3/19

WHITE PLAINS 6.2 1100 AM 3/19

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I thought his thoughts were fine with the 7-14, on the high side, but within reason. The ribbing he took was unwarranted and foolish. My own prediction was 6-10 and I have been sticking with it. I do think though that some isolated locations in higher elevations may see up to 14 inches. For some reason many people think you can't get big snow around here in late March. That simply is not the case, period.

Same here he shouldn't have changed his thoughts and he very well may be correct.. 7+" is easily doable with over an inch QPF.

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Dewpoints continue to drop. Temp at 9pm is 40 at HPN DP 24. I think people are going to be surprised but what do i knowSnowman.gif

We are in great shape with the dewpoints being in the mid 20s and most models keeping the 850 line WELL south of this area. I think we stay all snow and get crushed. Don't want to jinx it though.

41.1/28 here, mostly cloudy now, north wind continuing to advect in drier air to the region. This is about as good as it gets in late March.

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We are in great shape with the dewpoints being in the mid 20s and most models keeping the 850 line WELL south of this area. I think we stay all snow and get crushed. Don't want to jinx it though.

41.1/28 here, mostly cloudy now, north wind continuing to advect in drier air to the region. This is about as good as it gets in late March.

I was about to put the snowblower away last weekend. Good move to keep it around a bit more. Think we'll have a Crocus crusher with this event.

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now that we got the whos getting what and how elevated your location is and how great it is for snow, its time for the "radar looks awful" weenies to come out and that discrepancy shall begin in a few hrs.

00z NAM soon, if it stays as cold as 18z its likely going to be the correct model, its very consistent

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Um, I had to make sure I had the right location. Now, I don't think the city will see 6"+, but 3-6" seems rather likely to me at this point (or perhaps 2-4"); this forecast from Upton certainly... er... doesn't corroborate with any of the models today.

http://forecast.weather.gov/MapClick.php?CityName=New+York&state=NY&site=OKX&lat=40.7198&lon=-73.993

All rain until Thursday with no accumulations. :whistle:

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Dewpoints continue to drop. Temp at 9pm is 40 at HPN DP 24. I think people are going to be surprised but what do i knowSnowman.gif

The HPN observation is somewhat encouraging, but I'm worried about surface temps. And I don't mean boundary layer temps, rather, the surface temperature below 500ft or so. Cold and or dry air is not advecting southward fast enough for my liking. I'd like to see some low 20s dewpoints to compensate for temps currently in the low 40s across most of the area. We've seen this scenario many times, especially in March, where the antecedent airmass is marginal and an elevation snowstorm results.

I have little doubt that it will snow, probably even at low elevations and many coastal spots, but if we don't cool off several more degrees in the next several hours, the first half of the storm will be very spring-like. It would be a shame to spoil what could otherwise be a pleasantly wintry storm. Sufficiently cold air will arrive Wed night to transition whatever remains to snow, but if we're lucky enough to start as accumulating snow tomorrow morning, we could enjoy the rare duration snows.

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Um, I had to make sure I had the right location. Now, I don't think the city will see 6"+, but 3-6" seems rather likely to me at this point (or perhaps 2-4"); this forecast from Upton certainly... er... doesn't corroborate with any of the models today.

http://forecast.weat...198&lon=-73.993

All rain until Thursday with no accumulations. :whistle:

They keep trending warmer even though models are trending colder.

KNYC is at 43/27 with a stiff north wind.

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We are in great shape with the dewpoints being in the mid 20s and most models keeping the 850 line WELL south of this area. I think we stay all snow and get crushed. Don't want to jinx it though.

41.1/28 here, mostly cloudy now, north wind continuing to advect in drier air to the region. This is about as good as it gets in late March.

NAM MOS says we drop off steadily from here, reaching near freezing by around daybreak. I hope that's right. I'll be watching Albany and Glens Falls to see if they fall into the middle 20s overnight. IMO, 41/28 is pretty unimpressive with only gradual CAA expected. I'm about 30 miles north of you but at a lower elevation. Roughly 43/24 here. I'd like to see the wet bulb fall to about 34F by daybreak to feel hopeful. Still need 3 or 4 more degrees cooling/drying.

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a general .75 to 1 inch total liquid.

0C 850 line gets just up to nyc before dropping south when the coastal and 850 start to crank

not as robust as 18z but 18z was probably over done.

Still looks nothing like the gfs.

This is almost exactly the same as 18z only a little drier and a hair warmer at one 3 hour time interval, but still good enough for people away from the south shores. NOTHING like the GFS.

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Nam was southern outlier.

This run just bought it in line with euro, UKIE and Ggem.

Srefs at 15z were too north and they too came south and in line.

I expect GFS to bump south and also the rgem.

Decent snowfall for NYC and very good for north and west.

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