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Friday Winds


bluewave

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The models are forecasting a low to rapidly intensify as it passes north of our area on Friday.

At a minimum there is a good chance at seeing fairly widespread wind gusts in the

CAA behind the storm of 40-50 mph. While it's still two days away, there is the potential for

even stronger wind gusts in the 50 to 60 mph range especially from the NYC airports

out east across Long Island. When we get CAA on a SW to WSW flow wind gust

potential goes up especially on Long Island as the wind passes over the mild

ocean waters. The water temperatures are running well above normal now in the upper 40's.

This would help steepen the low level lapse rates and help mix stronger winds down to the surface.

We'll have to watch the model trends tomorrow to see if the potential is more wind advisory

or high wind warning especially the further east that you go.

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Great post. I just briefly examined the 12Z NAM BUFKIT. Looks like the mixed layer reaches up all the way to around 850 hPa Friday afternoon, where the winds are 40-50 kts. BUFKIT is showing the momentum transfer of nearly 40 kts across the region out of the WSW. I imagine wind advisories will be issued, as you've said. The 06Z GFS also agrees on 40 kts mixing down to the surface behind the front.

post-28-0-75767100-1326301252.png

Yellow is mixed layer height, orange is momentum transfer wind direction, and green is momentum transfer speed.

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Great post. I just briefly examined the 12Z NAM BUFKIT. Looks like the mixed layer reaches up all the way to around 850 hPa Friday afternoon, where the winds are 40-50 kts. BUFKIT is showing the momentum transfer of nearly 40 kts across the region out of the WSW. I imagine wind advisories will be issued, as you've said. The 06Z GFS also agrees on 40 kts mixing down to the surface behind the front.

post-28-0-75767100-1326301252.png

Yellow is mixed layer height, orange is momentum transfer wind direction, and green is momentum transfer speed.

Thanks for posting that information. We'll have to watch the guidance that comes in tomorrow to see if

some of the higher end wind potential looks more likely.

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Wind potential from the latest NAM run on Friday afternoon - I don't remember the last time the NAM showed 10m winds this strong so far this season:

post-1753-0-88194400-1326315542.gif

The NAM as well as the rest of the models are also showing a tight pressure gradient on Friday afternoon and evening. The ingredients are there for a significant wind event, and I agree with bluewave, wind gusts could easily end up at 50+ mph out of this.

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Upton's now catching up to the full potential of the wind event... upped wind gusts to the 45-50 mph range across most of the area while adding a widespread wind advisory. They have gusts up to 49 mph in NYC:

Friday: A chance of showers, mainly before 10am. Mostly cloudy, with a high near 45. Windy, with a west wind between 23 and 29 mph, with gusts as high as 49 mph. Chance of precipitation is 40%.

At this time, it appears that NYC and Long Island will be the most likely to see wind gusts within the 50-60 mph range, and it is very possible that parts of Long Island could reach high wind watch/warning criteria in my opinion.

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I think the 51mph wind gust at Newark, was with a passing shower. Most wind gust with passage front have been under 35mph. Strongest winds, for more of the area come later this afternoon. I think they will be mostly in 40-50mph range, based on the slightly weaker LLJ 6z GFS and more so NAM Bufkit are showing. So I don't think we'll see high wind warnings.

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Nice thread, and I agree with the discussion here. The areas you highlighted - especially NYC proper and probably the EWR area as well - could definitely approach warning criteria today. I think the peak gusts will come up a bit short (maybe in the range of 55 mph at EWR/LGA/JFK), but that still makes for an impressive wind event. It's also by far the most significant wind event of the season thus far.

There are some similarities to 2/12/09, a W flow High Wind Warning event that delievered in a big away across the entire area. The gradient looks just a touch weaker this time, and the 850 mb winds are maybe 5-10 mph lower during the forecasted peak of the event. Still, though, the setup is similar and it's not a bad analog for this storm.

WSW wind events like this are a lot less common than WNW/NW events, so it'll be interesting to see if that small difference in direction means a bit more limb/tree damage than usual.

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Yeah I remember that event well. There were several people injured or killed by falling trees.

Nice thread, and I agree with the discussion here. The areas you highlighted - especially NYC proper and probably the EWR area as well - could definitely approach warning criteria today. I think the peak gusts will come up a bit short (maybe in the range of 55 mph at EWR/LGA/JFK), but that still makes for an impressive wind event. It's also by far the most significant wind event of the season thus far.

There are some similarities to 2/12/09, a W flow High Wind Warning event that delievered in a big away across the entire area. The gradient looks just a touch weaker this time, and the 850 mb winds are maybe 5-10 mph lower during the forecasted peak of the event. Still, though, the setup is similar and it's not a bad analog for this storm.

WSW wind events like this are a lot less common than WNW/NW events, so it'll be interesting to see if that small difference in direction means a bit more limb/tree damage than usual.

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Highest wind gusts are in the last few hours. LGA 46mph, Newark and JFK 52mph. The LSR has even higher gust near the shore

PRELIMINARY LOCAL STORM REPORT...SUMMARY

NATIONAL WEATHER SERVICE NEW YORK NY

458 PM EST FRI JAN 13 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...

..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....

..REMARKS..

1045 AM NON-TSTM WND GST 2 NW SANDS POINT 40.88N 73.73W

01/13/2012 M60 MPH ANZ335 NY BUOY

MESONET

0253 PM NON-TSTM WND GST 4 ENE PLUM ISLAND 41.20N 72.12W

01/13/2012 M58 MPH SUFFOLK NY COAST GUARD

COASTGUARD

0329 PM NON-TSTM WND GST BAYVILLE 40.91N 73.56W

01/13/2012 M58 MPH NASSAU NY COAST GUARD

COASTGUARD

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PUBLIC INFORMATION STATEMENT
SPOTTER REPORTS
NATIONAL WEATHER SERVICE NEW YORK NY
520 PM EST FRI JAN 13 2012
THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN DURING THE PAST 12
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 IS ALSO AVAILABLE
ON OUR HOME PAGE AT WEATHER.GOV/NYC
***********************PEAK WIND GUST***********************
LOCATION			 MAX WIND	 TIME/DATE   COMMENTS
					GUST			OF
					 MPH	MEASUREMENT
CONNECTICUT
...ANZ330...
  1 ESE NEPTUNE PARK	  62   255 PM  1/13  MESONET-ELEVATION 67 FT
...FAIRFIELD COUNTY...
  BRIDGEPORT AIRPORT	  45   204 PM  1/13  ASOS
  DANBURY AIRPORT		 41   110 PM  1/13  ASOS
...NEW HAVEN COUNTY...
  EAST HAVEN			  56   957 AM  1/13  TRAINED SPOTTER
  SOUTH END			   47   129 PM  1/13  COASTGUARD
  NEW HAVEN			   39   113 PM  1/13  ASOS
  MERIDEN				 33   217 PM  1/13  ASOS
...NEW LONDON COUNTY...
  GROTON				  55   246 PM  1/13  ASOS
NEW JERSEY
...BERGEN COUNTY...
  TETERBORO			   43  1226 PM  1/13  ASOS
...ESSEX COUNTY...
  NEWARK AIRPORT		  52   351 PM  1/13  ASOS
  CALDWELL AIRPORT		36   258 PM  1/13  ASOS
...HUDSON COUNTY...
  JERSEY CITY			 53   645 AM  1/13  TRAINED SPOTTER
  BAYONNE				 42   643 AM  1/13  TRAINED SPOTTER
NEW YORK
...ANZ330...
  BUOY 44039			  56   945 AM  1/13  MESONET
  BUOY 44060			  50   300 PM  1/13  MESONET
...ANZ335...
  2 NW SANDS POINT		60  1045 AM  1/13  MESONET
  BUOY 44040			  45   119 PM  1/13  MESONET
...ANZ355...
  BUOY 44065			  47  1250 PM  1/13  MESONET
...ANZ370...
  BUOY 44025			  52   950 AM  1/13  MESONET
...NASSAU COUNTY...
  BAYVILLE				58   329 PM  1/13  COASTGUARD
  OYSTER BAY			  49   145 PM  1/13  SKYWARN SPOTTER
  1 E POINT LOOKOUT	   48   200 PM  1/13  COASTGUARD
  KINGS POINT			 43  1230 PM  1/13  COASTGUARD
...NEW YORK COUNTY...
  CENTRAL PARK			36   111 PM  1/13  ASOS
...ORANGE COUNTY...
  MONTGOMERY			  39   307 PM  1/13  ASOS
...QUEENS COUNTY...
  KENNEDY AIRPORT		 52   259 PM  1/13  ASOS
  BREEZY POINT			45   305 PM  1/13  COASTGUARD
  NYC/LA GUARDIA		  44   158 PM  1/13  ASOS
...SUFFOLK COUNTY...
  4 ENE PLUM ISLAND	   58   253 PM  1/13  COASTGUARD
  FIRE ISLAND			 52   245 PM  1/13  COASTGUARD
  MECOX				   51  1135 AM  1/13  COASTGUARD
  PATCHOGUE			   50   150 PM  1/13  SKYWARN SPOTTER
  EATONS NECK			 50   120 PM  1/13  COASTGUARD
  EAST MORICHES		   49  1100 AM  1/13  MESONET
  NORTH BABYLON		   48  1245 PM  1/13  SKYWARN SPOTTER
  AMITY HARBOR			48   736 AM  1/13  COASTGUARD
  ISLIP AIRPORT		   48   152 PM  1/13  ASOS
  EAST HAMPTON			48   425 PM  1/13  ASOS
  SHIRLEY AIRPORT		 46   141 PM  1/13  ASOS
  WESTHAMPTON			 45   244 PM  1/13  ASOS
  MONTAUK				 44  1123 AM  1/13  ASOS
  EAST FARMINGDALE		44   139 PM  1/13  ASOS
  MONTAUK POINT		   44  1123 AM  1/13  ASOS
  BLUE POINT			  44   244 PM  1/13  COASTGUARD
  NAPEAGUE				43  1054 AM  1/13  COASTGUARD
...WESTCHESTER COUNTY...
  WHITE PLAINS			45   117 PM  1/13  ASOS

***********************SUSTAINED WIND***********************
LOCATION				 WIND	 TIME/DATE   COMMENTS
					SPEED		   OF
					 MPH	MEASUREMENT
CONNECTICUT
...FAIRFIELD COUNTY...
  BRIDGEPORT AIRPORT	  32  1237 PM  1/13  ASOS
...NEW LONDON COUNTY...
  GROTON				  38   240 PM  1/13  ASOS
NEW JERSEY
...BERGEN COUNTY...
  TETERBORO			   32  1227 PM  1/13  ASOS
...ESSEX COUNTY...
  NEWARK AIRPORT		  41   352 PM  1/13  ASOS
NEW YORK
...QUEENS COUNTY...
  KENNEDY AIRPORT		 40   300 PM  1/13  ASOS
  NYC/LA GUARDIA		  32   157 PM  1/13  ASOS
...SUFFOLK COUNTY...
  ISLIP AIRPORT		   36   148 PM  1/13  ASOS
  WESTHAMPTON			 35   110 PM  1/13  ASOS
  EAST FARMINGDALE		32   218 PM  1/13  ASOS
  SHIRLEY AIRPORT		 32   142 PM  1/13  ASOS
$$
ML

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