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November 2013 Observations & Discussions


Rtd208

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Snow or no, we are looking at a nearly ideal setup for record low temperatures, with cloud cover blocking daytime heating at the surface and what looks to be a clear, dry atmosphere for Tuesday night, to complement the cold air mass... wind will add a few degrees but overall some very impressive lows look to be on tap.  We'll see how snow cover potentially effects this.  My forecast low is an even 20 degrees.

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I'm not Ray but I do have NYC's records...

11/12...

38 in 1894.....

39 in 1887.....

40 in 1926.....

41 in 1910.....

41 in 1968.....

11/13

33 in 1911.....

39 in 1977.....

40 in 1901.....

40 in 1968.....

41 in 1995.....

 

Thank you...the mid night high will kill us for tomorrow, perhaps we can crack top 4 on wed.

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
852 PM EST MON NOV 11 2013

NJZ009-010-012>015-PAZ070-071-101>106-121000-
HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-
MERCER-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...MEDIA...
PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
852 PM EST MON NOV 11 2013

...LIGHT SNOW IS POSSIBLE FROM LATE TONIGHT INTO TUESDAY
MORNING...

A STRONG COLD FRONT FROM THE NORTHWEST IS FORECAST TO DROP
THROUGH SOUTHEASTERN PENNSYLVANIA AND CENTRAL NEW JERSEY BETWEEN
ABOUT 200 AM AND 400 AM.

THE COLD FRONT WILL BE ACCOMPANIED BY RAIN SHOWERS. AS COLD AIR
BUILDS INTO OUR REGION BEHIND THE FRONT, THE RAIN SHOWERS WILL
LIKELY MIX WITH OR CHANGE TO SNOW SHOWERS FOR LATE TONIGHT AND
TUESDAY MORNING.

SNOWFALL TOTALS ARE EXPECTED TO BE LESS THAN A HALF INCH. THE
SNOW IS FORECAST TO ACCUMULATE MAINLY ON UNPAVED SURFACES.

THE SNOW MAY REDUCE THE VISIBILITY. IF YOU WILL BE DRIVING LATE
TONIGHT OR ON TUESDAY MORNING, USE EXTRA CARE.

THE PRECIPITATION SHOULD END LATE ON TUESDAY MORNING.

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First winter weather statements 

 

 

 

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
708 PM EST MON NOV 11 2013

CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-
121000-
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
708 PM EST MON NOV 11 2013

A STRONG COLD FRONT WILL PUSH THROUGH THE TRI-STATE AREA
TONIGHT...QUICKLY DROPPING TEMPERATURES IN THE WAKE. LIGHT RAIN
SHOWERS ARE EXPECTED TO FORM AROUND MIDNIGHT TONIGHT OVER AREAS
WEST AND NORTH OF NYC METRO AREA...WITH THE PRECIPITATION PUSHING
SOUTH AND EAST THROUGH THE EARLY MORNING HOURS. AS THE COLDER
TEMPERATURES MOVE IN BEHIND THE FRONT...A TRANSITION TO A
RAIN/SNOW MIX OR EVEN ALL SNOW IS EXPECTED...GENERALLY DURING THE
PERIOD OF THE MORNING COMMUTE BETWEEN 4 AND 10 AM.

WHILE MINIMAL ACCUMULATION IS FORECASTED...MAINLY HALF AN INCH OR
LESS ACROSS THE AREA...THE PRECIPITATION MAY STILL RESULT IN
SLIPPERY ROAD CONDITIONS AND REDUCED VISIBILITIES.

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Guidance continues to forecast the potential for some meaningful or significant precip sunday night into Monday.  Both the gfs and euro are showing over an inch of liquid for the area.  This would be best shot at some real rain over the last 45 days.  Such a scenario would push 2013 down the list of driest falls but beyond next Monday the drier pattern looks to return.  We'll see how things progress over the week.

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any measurable snow in Central Park before Dec. 1st will be the third straight year NYC got measurable snow before Dec. 1st...This hasn't happened since there were four straight ending in 1938...

 

 

Somehow remembering 95-97 having some snow in each of those Novembers?

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All sites will be below normal for the month after tomorrow wit more of a back and forth pattern taking shape after this cold shot. With a little more than 2 weeks to go after tomorrow, the month looks to end out close to normal but likely a tad below.

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Not measureable in 1997.

 

BTW, new NAM seems a bit toasty in the BL.  It has the QPF but its a bit warm for snow tomorrow morning.  At least in the city.

 

Thanks Ray.  I guess it was close then. ECM and ensembles look to bring another arctic blast in by the 20th for a couple of days.  that may offer the next chance of some snow if we don't get a trace tomorrow.

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Yeah that probably wouldn't stick, even to colder surfaces.

will all be rate based.  If there are any heavier areas of snow, it would probably stick to the elevated surfaces. I always hedge on the side of caution with the model PBL schemes, sometimes they are too warm when it is snowing with good snow growth aloft and cooling temps at the surface.

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