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March 7th 2018 Coastal Storm Observations


Rtd208

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The 500mb cutting off means now the storm is cut off from the jet stream essentially slowing it down to a crawl
The first photo is H5 (500mb level) and the second is H7 (700 mb level). To the poster who asked for the explanation, this is the visual way of presenting the info dmillz just described. The H7 has a closed contour (closed circle) and the h5 is close to closing. North and West of H7 is where the heaviest precip will be. Furthmore as the LP closes off, this will create the strongest intensity for a time before it begins to move east once more (it will crawl for a time). b0db37f61288c39b29c24c2673d998b5.jpgb509e93332076d81a0a96f0ebd66c4bf.jpg
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Just now, kat5hurricane said:

Same here in Queens. Light to moderate, run of the mill. Not even an inch on the ground, seems like west, east, north and south of my area are doing better lol.

I don't understand why NWS ups the totals so much as the storm starts. They've done this several times the past few years and ended up busting WAY high. Their original call of around 6"-8" was fine for NYC. There are less than 3 hours left. Right now I have 2" of slush.

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1 minute ago, Mitchel Volk said:

Close low not Cut off.  Cut off are seperated from the main jet,  You normally see then over the southwest.

 

Yeah I was wondering what they were talking about. Usually cut off lows are multi-contoured and they're not apart of any trough in the jet stream. This is simply just a low closing and allowing the winds to circulate completely around the area of lowest pressure at the 500mb height.

 

This is what a cutoff low looks like:

 

Screen-Shot-2013-03-25-at-6.53.00-PM.png

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2 minutes ago, Mitchel Volk said:

Close low not Cut off.  Cut off are seperated from the main jet,  You normally see then over the southwest.

Yes I apologize I meant closed low.

 

1 minute ago, weatherlogix said:

its not cutting off - its closing off and its not going to crawl

That’s what you think

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1 minute ago, alexj7 said:

I don't understand why NWS ups the totals so much as the storm starts. They've done this several times the past few years and ended up busting WAY high. Their original call of around 6"-8" was fine for NYC. There are less than 3 hours left. Right now I have 2" of slush.

Those of us closest to the city are not getting a big amount. Way it is. If i were a few miles west I'd be in a better storm. But we are approaching 4 inches now. Nice, but a far cry from a foot.

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Yeah I was wondering what they were talking about. Usually cut off lows are multi-contoured and they're not apart of any trough in the jet stream. This is simply just a low closing and allowing the winds to circulate completely around the area of lowest pressure at the 500mb height.
 
This is what a cutoff low looks like:
 
Screen-Shot-2013-03-25-at-6.53.00-PM.png&key=ee5c8fdd0b0b72feca286d5f658ec201e4e4886915424ac8084c0523e07a6c29
Funny enough, I read his explanation and didn't even realize he said cut off.
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Just now, USCG RS said:
4 minutes ago, LovingGulfLows said:
 
Yeah I was wondering what they were talking about. Usually cut off lows are multi-contoured and they're not apart of any trough in the jet stream. This is simply just a low closing and allowing the winds to circulate completely around the area of lowest pressure at the 500mb height.
 
This is what a cutoff low looks like:
 
Screen-Shot-2013-03-25-at-6.53.00-PM.png&key=ee5c8fdd0b0b72feca286d5f658ec201e4e4886915424ac8084c0523e07a6c29

Funny enough, I read his explanation and didn't even realize he said cut off.

Yeah I mean closed off for some reason my mind and fingers didn’t register the same thing lol

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000
NOUS41 KOKX 072042
PNSOKX
CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-080842-

Public Information Statement
Spotter Reports
National Weather Service New York NY
342 PM EST Wed Mar 07 2018

The following are unofficial observations taken during the past 3
hours for the storm that has been affecting our region. Appreciation
is extended to highway departments, cooperative observers, Skywarn
spotters and media for these reports. This summary also is available
on our home page at weather.gov/nyc

********************STORM TOTAL SNOWFALL********************

LOCATION          STORM TOTAL     TIME/DATE   COMMENTS
                     SNOWFALL           OF
                     /INCHES/   MEASUREMENT

CONNECTICUT

...Fairfield County...
   New Fairfield          8.0   230 PM  3/07  Trained Spotter
   Bethel                 5.0   300 PM  3/07  Emergency Manager
   Newtown                4.3   300 PM  3/07  Social Media
   Pine Hill              3.4   110 PM  3/07  Social Media
   Bridgeport Airport     0.6  1250 PM  3/07  CO-OP Observer

NEW JERSEY

...Bergen County...
   Franklin Lakes        10.3   245 PM  3/07  Public
   Mahwah                 6.4   242 PM  3/07  Trained Spotter
   Park Ridge             3.0   145 PM  3/07  Public
   Ramsey                 1.8   120 PM  3/07  Trained Spotter
   Elmwood Park           1.6   120 PM  3/07  Trained Spotter

...Essex County...
   Cedar Grove            7.2   315 PM  3/07  Trained Spotter
   North Caldwell         7.0   215 PM  3/07  Trained Spotter

...Hudson County...
   Harrison               2.5   311 PM  3/07  Trained Spotter

...Passaic County...
   West Milford          10.0   230 PM  3/07  Trained Spotter
   Wayne                  8.0   315 PM  3/07  Trained Spotter
   Wanaque                4.0   220 PM  3/07  Trained Spotter

...Union County...
   Newark Airport         0.6  1250 PM  3/07  FAA CONTRACT OBSERVER

NEW YORK

...Nassau County...
   New Hyde Park          1.0   155 PM  3/07  Trained Spotter

...New York County...
   Central Park           0.5  1250 PM  3/07  Park Conservancy

...Orange County...
   Monroe                10.5   245 PM  3/07  Trained Spotter
   Otisville              8.0   315 PM  3/07  Public
   Highland Mills         6.7   230 PM  3/07  Trained Spotter
   Greenville             5.5   100 PM  3/07  Trained Spotter
   Vails Gate             5.5   230 PM  3/07  Trained Spotter
   Mount Hope             5.5   220 PM  3/07  Trained Spotter

...Queens County...
   NYC/LaGuardia Airpor   0.7  1250 PM  3/07  FAA CONTRACT OBSERVER
   NYC/JFK Airport        0.5  1250 PM  3/07  FAA CONTRACT OBSERVER
   Little Neck            0.3   130 PM  3/07  Trained Spotter

...Rockland County...
   Stony Point            4.2   330 PM  3/07  Trained Spotter

...Suffolk County...
   Huntington Station     1.3   309 PM  3/07  Trained Spotter
   South Huntington       0.5   210 PM  3/07  Trained Spotter
   Islip Airport          0.4  1250 PM  3/07  FAA CONTRACT OBSERVER

...Westchester County...
   Shrub Oak              4.5   215 PM  3/07  Trained Spotter
   Montrose               3.0   230 PM  3/07  Trained Spotter


 

 

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3 minutes ago, alexj7 said:

I don't understand why NWS ups the totals so much as the storm starts. They've done this several times the past few years and ended up busting WAY high. Their original call of around 6"-8" was fine for NYC. There are less than 3 hours left. Right now I have 2" of slush.

You have 2" of slush?  I'm jealous. 

Barely snowing at all now.  

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1 minute ago, weatherpruf said:

It could be. Areas just miles from me have significantly more snow. I mean like a ten minute drive.

Just wait and see what happens.  Maybe the last few hours deliver.  Even if they don't, is it worth spending the rest of the storm - and possibly the last storm of winter - complaining?

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