Alert archive / New York / Special Weather Statements in 2014

Special Weather Statement, NWS Buffalo, NY

November 20, 2014Lewis County, Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Nov 20, 2014, 5:41 PM EST for Lewis County, Oswego County, New York. It was in force for 94 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 20, 2014, 5:41 PM EST (22:41 UTC)
Expired
Nov 20, 2014, 7:15 PM EST
In force
94 min
Issued by
NWS Buffalo, NY

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 22:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.7 hours before the alert went out and 189 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2014-11-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2014-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

623 
WWUS81 KBUF 202241
SPSBUF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
541 PM EST THU NOV 20 2014

NYZ006>008-210015-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
541 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE AREA...

* AT 535 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 2 TO 3
  INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR LESS.   
  
* THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM SANDY CREEK TO         
  LOWVILLE. THE BAND HAS STARTED A SLOW SOUTHWARD MOVEMENT AND WILL  
  BEGIN IMPACTING LOCATIONS FROM OSWEGO TO MEXICO IN OSWEGO COUNTY   
  OVER THE NEXT HOUR OR TWO.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  RODMAN...
  DENMARK AND CASTORLAND...
  ADAMS...
  OSWEGO...
  LOWVILLE...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 34 AND 43.

TRAVEL ACROSS THE AREA WILL BE EXTREMELY DIFFICULT OR EVEN IMPOSSIBLE
DUE TO THE VERY HEAVY SNOWFALL PRODUCING NEAR ZERO VISIBILITY AND
DEEP SNOW COVER ON ROADWAYS. TRAVEL IS NOT RECOMMENDED.

IF YOU MUST TRAVEL...BE PREPARED BY HAVING AN EMERGENCY KIT...EXTRA
BLANKETS AND WARM CLOTHING IN THE EVENT THAT YOUR VEHICLE HAS
MECHANICAL PROBLEMS OR GETS STUCK. MAKE SURE YOU HAVE A FULLY CHARGED
CELL PHONE.

LAT...LON 4357 7518 4345 7545 4345 7571 4348 7581
      4345 7582 4344 7657 4353 7642 4352 7629
      4354 7623 4368 7621 4383 7624 4413 7522
      4410 7516 4362 7510

$$

What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at Nov 20, 4:05 PM EST, 1 hour 36 minutes earlier.

Area forecast discussion, Nov 20, 4:05 PM EST, 1 hour 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
405 PM EST THU NOV 20 2014

.SYNOPSIS...
SIGNIFICANT LAKE EFFECT SNOWS WILL CONTINUE THROUGH TONIGHT AND
FRIDAY MORNING BEFORE STARTING TO WEAKEN LATER IN THE AFTERNOON ON
FRIDAY. THE LAKE SNOWS WILL END ALTOGETHER FRIDAY NIGHT AS HIGH
PRESSURE PASSES BY TO THE SOUTH OF THE AREA. MUCH WARMER AIR WILL
ARRIVE OVER THE WEEKEND AND INTO EARLY NEXT WEEK ALONG WITH RAIN
SHOWERS AT TIMES...POTENTIALLY BRINGING A FLOOD RISK TO AREAS WHICH
WERE BURIED BY LAKE EFFECT SNOW. TEMPERATURES WILL THEN TURN COLDER
AGAIN FOR THE SECOND HALF OF NEXT WEEK.

&&

.NEAR TERM /THROUGH FRIDAY/...
THERE IS LIGHT AT THE END OF THE LAKE EFFECT TUNNEL ONCE WE GET
THROUGH THE NEXT 18 HOURS OR SO.

OFF LAKE ERIE EXPECT STORM TOTALS OF 3 TO 4 FEET FROM THE SECOND
EVENT CENTERED ONE ROW OF TOWNS SOUTH OF WHERE THE HEAVIEST SNOW
FELL FROM THE FIRST EVENT. THIS WOULD INCLUDE LOCATIONS FROM SILVER
CREEK TO ANGOLA...BOSTON...EAST AURORA...WITH 1 TO 2 FEET COMMON
ACROSS THE HARDEST HIT TOWNS FROM THE FIRST EVENT...AND ALSO FARTHER
SOUTH THROUGH NORTHERN AND WESTERN CHAUTAUQUA COUNTY...WESTERN
CATTARAUGUS COUNTY...AND INTO PORTIONS OF SOUTHERN GENESEE AND
NORTHERN/WESTERN WYOMING COUNTY. NOTE THIS COUNTS SNOW WHICH HAS
ALREADY FALLEN SINCE LAST EVENING.

OFF LAKE ONTARIO EXPECT STORM TOTALS OF 1 TO 2 FEET FROM JUST SOUTH
AND EAST OF WATERTOWN DOWN ACROSS CENTRAL OSWEGO COUNTY...WITH LOCAL
AMOUNTS POSSIBLY GETTING OVER 2 FEET ON THE TUG HILL PLATEAU. NOTE
THIS COUNTS SNOW WHICH HAS FALLEN SINCE LAST EVENING.

OFF LAKE ERIE...
AN INTENSE BAND OF LAKE EFFECT SNOW IS IN PLACE FROM DUNKIRK
NORTHEAST ACROSS SOUTHERN ERIE COUNTY...THE IMMEDIATE BUFFALO
SOUTHTOWNS...AND EAST ALONG THE GENESEE/WYOMING COUNTY LINE.
SNOWFALL RATES OF 3 TO 5 INCHES PER HOUR CONTINUE WITHIN THIS BAND
AND A FEW RUMBLES OF THUNDER AND LIGHTNING ARE ALSO POSSIBLE.
UPSTREAM RADAR TRENDS SHOW THE START OF A SOUTHWARD DRIFT OVER THE
WESTERN BASIN OF LAKE ERIE...AND THIS FOLLOWS WELL WITH THE NAM
MODEL WHICH HAS BEEN PERFORMING VERY WELL WITH BAND MOTION THROUGH
THIS EVENT.

WITH THIS IN MIND...EXPECT THE BAND TO REMAIN IN PLACE THROUGH
AROUND 6PM THEN BEGIN A FAIRLY RAPID SHIFT SOUTHWARD. IT WILL LIKELY
COME BODILY ONSHORE ALONG THE CHAUTAUQUA COUNTY SHORELINE AND
DELIVER A FEW HOURS OF VERY HEAVY SNOW ALONG THE LAKE ERIE SHORE AND
CHAUTAUQUA RIDGE. OVERNIGHT BOUNDARY LAYER WINDS VEER STEADILY TO
THE NORTHWEST WHICH WILL PUSH THE INITIAL SINGLE BAND INLAND AND
WEAKEN IT...TO BE REPLACED BY MORE OF A NORTHWEST FLOW/UPSLOPE
REGIME. THIS WILL FOCUS THE HEAVIEST SNOW ACROSS THE HIGHER TERRAIN
OF THE CHAUTAUQUA RIDGE OVERNIGHT WITH LIGHTER SNOW ALONG THE LAKE
ERIE SHORE.

ON FRIDAY THE NORTHWEST FLOW/UPSLOPE REGIME WILL CONTINUE. THE BEST
SNOW SHOULD BE IN THE MORNING...BY AFTERNOON INVERSION HEIGHTS LOWER
SUBSTANTIALLY AND BACKGROUND SYNOPTIC SCALE MOISTURE DECREASES
QUICKLY...WHICH SHOULD BRING A RAPID WEAKENING. WHATEVER IS LEFT
WILL TRY TO SHIFT BACK NORTH TOWARDS BUFFALO LATE FRIDAY AND FRIDAY
EVENING...BUT THERE SHOULD NOT BE MUCH LEFT BESIDES A FEW LIGHT SNOW
SHOWERS.

OFF LAKE ONTARIO...
THE BAND HAS VARIED IN INTENSITY TODAY WITH TIMES OF 2-3 INCHES PER
HOUR AND OTHER TIMES WEAKER. THE BAND IS GETTING BETTER ORGANIZED
AGAIN AND SHOULD CONTINUE TO INTENSITY THIS EVENING AS IT DRIFTS
SOUTH TO THE TUG HILL PLATEAU. BY THIS TIME IT SHOULD REACH 3 TO 5
INCHES PER HOUR AS FETCH INCREASES DOWN THE LENGTH OF LAKE ONTARIO
AND CONVERGENCE INCREASES. THE BAND WILL CONTINUE SOUTH ACROSS
OSWEGO COUNTY DURING THE PRE-DAWN HOURS.

LATEST MODEL GUIDANCE CONTINUES TO SUGGEST A RAPID SHIFT TO
NORTHWEST WINDS WILL OCCUR...AND PUSH AN EAST/WEST BAND BODILY
ONSHORE LATE TONIGHT AND EARLY FRIDAY MORNING. THIS WILL BRING A
BURST OF SNOW TO THE ENTIRE SOUTH SHORE OF THE LAKE INCLUDING THE
ROCHESTER AREA WHERE A QUICK 1 TO 2 INCHES IS POSSIBLE. THE BAND
SHOULD STILL BE STRONGER FARTHER EAST INTO WAYNE AND NORTHERN CAYUGA
COUNTIES. ONCE THE BAND MOVES ONSHORE IT SHOULD BREAK APART...AND BE
REPLACED BY A WIDER SPRAY OF MULTIPLE BANDS IN MANY AREAS SOUTHEAST
OF THE LAKE.

ALL OF THIS COMBINED SHOULD PRODUCE ADVISORY TYPE ACCUMULATIONS IN
WAYNE AND NORTHERN CAYUGA COUNTIES FROM LATE TONIGHT THROUGH FRIDAY.
AMOUNTS SHOULD REMAIN BELOW ADVISORY CRITERIA FOR ROCHESTER.

BY FRIDAY AFTERNOON WHATEVER REMAINS OF THE LAKE EFFECT WILL BE MUCH
WEAKER...ALTHOUGH THERE IS SOME SUGGESTION IN MESOSCALE MODEL
GUIDANCE THAT THE LAKE ONTARIO BAND MAY BRIEFLY INTENSITY AGAIN
ACROSS OSWEGO COUNTY AND THE TUG HILL FRIDAY EVENING AS FLOW BACKS
AND BECOMES MORE WESTERLY...INCREASING FETCH.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH MONDAY NIGHT/...
LAKE EFFECT SNOW WILL DIMINISH TO START THIS TIME PERIOD OFF BOTH
EASTERN GREAT LAKES. ALOFT A FRONT OF WARMER AIR WILL BE ADVANCING
NORTHWARD UP LAKE ERIE AND THIS WARMING WILL GREATLY REDUCED THE
CAPPING INVERSION OFF LAKE ERIE WITH INCREASE WIND SHEAR ENDING ANY
LINGER LAKE EFFECT SNOW NEAR SKI COUNTRY THROUGH THE EVENING HOURS.

OFF LAKE ONTARIO A STILL HEALTHY BAND OF LAKE EFFECT SNOW WILL BE
ONGOING WITH A WNW FLOW. THIS BAND OF SNOW WILL FOCUS ON AREAS SE OF
LAKE ONTARIO WITH SEVERAL MORE INCHES OF SNOW BEFORE WARMING FROM
THE SOUTH...AND INCREASE WIND SHEAR ENDS THE LAKE EFFECT SNOW BY
SATURDAY MORNING OVER THE TUG HILL REGION.

SATURDAY WILL BE THE BEGINNING OF WARMING ACROSS WNY. A
SOUTHWESTERLY FLOW AROUND A BROAD AREA OF HIGH PRESSURE OFF THE
CAROLINA COASTLINE WILL BRING TEMPERATURES ALOFT AT 850 HPA UP ABOVE
FREEZING. MEANWHILE MOISTURE ADVECTION FROM THE MIDWEST WILL BRING
CHANCES FOR PRECIPITATION AS WARM...MOIST AIR IS LIFTED UPWARD OVER
THE COOLER AIR WITHIN THE BOUNDARY LAYER. EXPECT SOME LIGHT
PRECIPITATION TO START ACROSS WNY LATER IN THE DAY SATURDAY...AND BY
SATURDAY EVENING FOR AREAS EAST OF LAKE ONTARIO. SOME LINGER POCKETS
OF BELOW FREEZING TEMPERATURES AT THE GROUND MAY PRODUCE SOME SPOTTY
FREEZING RAIN AT THE ONSET...ESPECIALLY ACROSS THE HILLS SOUTH OF
BUFFALO AND ROCHESTER...AND ALSO VALLEYS TO THE EAST OF LAKE
ONTARIO.

LIGHT PRECIPITATION WILL CONTINUE INTO SUNDAY WITH ABUNDANT LOW
LEVEL MOISTURE LIFTED ON THE NOSE OF A 50 KNOT LLJ. WITH THE WARMING
PATTERN USUALLY WINDS ALOFT HAVE A HARD TIME MIXING DOWN DUE TO THE
POOR LAPSE RATES...AND JUST A BREEZY DAY WILL BE FOUND SATURDAY AND
SUNDAY.

SUNDAY A BREAK IN PRECIPITATION IS LIKELY AS THE OVERHEAD RIDGE
STRENGTHENS. THOUGH LIKELY STILL CLOUDY A STRONG WARM AIR ADVECTION
PATTERN WILL BRING 850 HPA TEMPERATURES UP TO 6C SUNDAY AND TO NEAR
10C BY EARLY MONDAY. THESE SOUTHERLY WINDS...ALONG WITH HEIGHT RISES
ALOFT ON SUNDAY WILL BRING OUR SURFACE HIGHS INTO THE LOWER 50S.
COUPLED WITH THE WARMING TEMPERATURES WILL ALSO BE A RISE IN SURFACE
DEWPOINTS. DEWPOINTS WILL START TO RISE INTO THE MID TO UPPER 30S
SUNDAY. THE COMBINATION OF WARMING TEMPERATURES...INCREASE SOUTHERLY
WINDS AND RISING DEWPOINTS SHOULD ALLOW FOR THE DEEP SNOWPACK EAST
OF BOTH GREAT LAKES TO COMPACT AND DIMINISH IN HEIGHT.

SUNDAY NIGHT AND INTO MONDAY IS WHEN THE BEST CHANCES FOR RAINFALL
TO OCCUR. ON THE FORCING OF A WARM FRONT BOUNDARY LIFTING NORTHWARD
FROM A LOW PRESSURE SYSTEM OVER THE WESTERN GREAT LAKES...A LIGHT
RAINFALL IS LIKELY ACROSS OUR REGION. AT THIS TIME RAINFALL DOES NOT
LOOK TO BE SIGNIFICANT WITH A SHORT PERIOD OF RAINFALL MEASURING ON
THE ORDER OF A QUARTER TO ONE HALF INCH.

THE MAJOR CONCERN THIS TIME PERIOD WILL BE THE POTENTIAL FOR
FLOODING. LIQUID STORED IN THE RECENTLY FALLEN LAKE EFFECT SNOW IS
LIKELY TO BE AT LEAST SEVERAL INCHES. SUNDAY NIGHT WILL REMAIN MILD
WITH LOWS REMAINING WELL ABOVE FREEZING. BY MONDAY SURFACE
TEMPERATURES WILL BE CLIMBING TOWARDS THE UPPER 50S TO AROUND 60F
WHICH WITH DEWPOINTS NOW IN THE MID TO UPPER 40S AND SOUTHERLY WINDS
SHOULD ALLOW FOR MUCH OF THE SNOW TO MELT. THE HIGH LIQUID IN THE
SNOWPACK COMBINED THE FALLING RAINFALL COULD LEAD TO FLOODING...BOTH
URBAN/AREAL AS WELL AS SIGNIFICANT RISES ON LOCAL STREAM/CREEKS AND
RIVERS.

THE BASE OF THE UPPER LEVEL TROUGH AND ITS COLD AIR WILL REMAIN JUST
TO OUR WEST THROUGH THE COURSE OF MONDAY NIGHT. THIS WILL ALLOW FOR
SURFACE TEMPERATURES TO REMAIN ABOVE FREEZING THROUGH THE NIGHT AND
ALLOW FOR SNOWPACK MELTING TO CONTINUE. WITH THE TROUGH NEARBY WILL
CARRY A LOW CHANCE POP FOR A PASSING SHOWER.

&&

.LONG TERM /TUESDAY THROUGH THURSDAY/...
FOR THE TUESDAY THROUGH THURSDAY TIME PERIOD COOLING TEMPERATURES
WILL END THE THREAT OF FLOODING...BUT AGAIN RENEW THE LAKE EFFECT
SNOW POTENTIAL.

ON TUESDAY AN AMPLIFIED UPPER AIR PATTERN WILL CONTINUE AS A LONG
WAVE TROUGH WILL BE FOUND OVER THE GREAT LAKES REGION AND DOWN
TOWARDS THE SOUTHERN MISSISSIPPI VALLEY. THIS TROUGH WILL SPLIT THE
RIDGE TO OUR EAST (PRIOR WARM AIRMASS) AND RIDGE ACROSS THE WEST.

WITH SHORTWAVES PASSING THROUGH THIS UPPER LEVEL TROUGH...AND WITH
THIS TROUGH NOW NEARING OUR REGION WILL MAINTAIN LOW CHANCE POPS FOR
A MIX OF RAIN AND SNOW. AS THE COLD AIR DEEPENS THROUGH THE
DAY...LAKE EFFECT SNOW WILL AGAIN BECOME A CONCERN.

BY TUESDAY NIGHT TEMPERATURES ALOFT AT 850 HPA WILL HAVE DROPPED TO
NEAR -10C...AND FALLING. ALOFT THIS UPPER LEVEL LOW TO OUR WEST WILL
NOT BE AS DEEP AS THIS CURRENT WEEK OF LAKE EFFECT SNOW...COLD AIR
NOT AS DEEP AND CAPPING INVERSION HEIGHTS NOT AS TALL. THAT SAID
PARAMETERS ARE STILL LOOKING FAVORABLE FOR ANOTHER BAND OF LAKE
EFFECT SNOW STARTING TUESDAY PM ACROSS AREAS NORTHEAST OF THE
LAKES...THEN DROPPING SOUTHWARD THROUGH TUESDAY NIGHT AND WEDNESDAY.
WITH THE COLD AIR NOT AS DEEP THERE MAY EVEN BE A LITTLE RAIN MIXED
IN WITH THE BANDS OF SNOW DURING THE DAY WEDNESDAY.

A SHORTWAVE WILL CROSS THE EASTERN GREAT LAKES WEDNESDAY/WEDNESDAY
NIGHT...WHICH MAY DISRUPT THE BANDS SOME...BEFORE A WESTERLY WIND
CARRIES THE LAKE EFFECT SNOW INLAND TO AREAS EAST OF THE LAKES...AND
SOUTH OF BUFFALO/WATERTOWN FOR WEDNESDAY NIGHT.

BANDS OF LAKE EFFECT SNOW WILL FADE EARLY THURSDAY AS WE GET A
LITTLE WARM AIR ADVECTION ALOFT AHEAD OF AN APPROACHING SHORTWAVE.
THIS SHORTWAVE MAY BRING SOME LIGHT GENERAL SNOW TO WNY BY LATE IN
THE DAY THURSDAY.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
OUTSIDE OF LAKE EFFECT AREAS CONDITIONS WILL BE MAINLY VFR THROUGH
THE PERIOD WITH GUSTY WINDS TODAY AND THIS EVENING DIMINISHING
OVERNIGHT THROUGH FRIDAY.

AS FOR LAKE EFFECT...THE PLUME OFF LAKE ERIE IS JUST SOUTH OF KBUF
AND WILL CONTINUE TO EDGE SLOWLY NORTHWARD THROUGH MID AFTERNOON.
CURRENT THINKING IS IT WILL REMAIN JUST SOUTH OF THE AIRPORT...BY A
MILE OR TWO...BUT IT WILL BE EXTREMELY CLOSE AND WILL CONTINUE TO
MONITOR. WITHIN THE BAND VISIBILITY WILL BE NIL IN VERY HEAVY SNOW.
THE BAND OF SNOW WILL MOVE SOUTH AWAY FROM KBUF THIS EVENING AND
REACH THE WESTERN SOUTHERN TIER AND KJHW OVERNIGHT WITH CONDITIONS
DETERIORATING TO IFR THERE. ON FRIDAY EXPECT LAKE SNOW TO CONTINUE
ACROSS THE WESTERN SOUTHERN TIER IN A WEAKENED FORM COMPARED TO
TODAY...BUT STILL PLENTY STRONG ENOUGH TO PRODUCE LOCAL IFR.

OFF LAKE ONTARIO A PLUME OF SNOW IS JUST SOUTH OF KART. EXPECT THE
BAND TO LIFT NORTH INTO KART FOR A FEW HOURS THIS AFTERNOON BEFORE
MOVING SOUTH EARLY THIS EVENING. THIS WILL BRING SEVERAL HOURS OF
VSBY BELOW AIRFIELD MINIMUMS. TONIGHT THE BAND WILL SHIFT SOUTH
ACROSS THE TUG HILL REGION THEN TO OSWEGO COUNTY BEFORE DAYBREAK
WITH NIL VISIBILITY IN VERY HEAVY SNOW ON THE WAY. ON FRIDAY THE
BAND WILL PUSH SOUTHEAST OF LAKE ONTARIO AND BREAK APART INTO MORE
OF A WEAKER MULTIPLE BAND REGIME...WITH AREAS OF IFR FROM JUST EAST
OF KROC TO NEAR KFZY.

OUTLOOK...
SATURDAY...VFR.
SATURDAY NIGHT THROUGH MONDAY...PERIODS OF IFR/MVFR IN RAIN. LLWS
POSSIBLE SUNDAY NIGHT AND INTO MONDAY MORNING.
TUESDAY...MAINLY VFR WITH A CHANCE OF RAIN/SNOW SHOWERS.

&&

.MARINE...
DEEP LOW PRESSURE PASSING BY TO THE NORTH OF THE LOWER GREAT LAKES
WILL GENERATE FAIRLY STRONG WINDS INTO TONIGHT...WITH GALE FORCE
WINDS EXPECTED ON LAKE ONTARIO AND HIGH END SMALL CRAFTS ON THE
NEARSHORE WATERS OF LAKE ERIE.

THE STRONG WINDS WILL START TO SUBSIDE TONIGHT AS HIGH PRESSURE WILL
BUILD ACROSS THE GREAT LAKES REGION AND WEAKEN THE INFLUENCING SFC
PRESSURE GRADIENT. WHILE THE AREA OF HIGH PRESSURE WILL PASS OVER
LAKES ERIE AND ONTARIO ON FRIDAY...WINDS WILL LIKELY REMAIN HIGH
ENOUGH TO WARRANT SMALL CRAFT ADVISORIES ON LAKE ONTARIO.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...LAKE EFFECT SNOW WARNING UNTIL 1 AM EST FRIDAY FOR NYZ010>012-
     085.
     LAKE EFFECT SNOW WARNING UNTIL NOON EST FRIDAY FOR NYZ007-008-
     019-020.
     LAKE EFFECT SNOW WARNING UNTIL 6 PM EST FRIDAY FOR NYZ006.
     LAKE EFFECT SNOW ADVISORY FROM 1 AM TO 6 PM EST FRIDAY FOR
     NYZ004-005.
     LAKE EFFECT SNOW ADVISORY UNTIL 7 PM EST THIS EVENING FOR
     NYZ003.
     LAKE EFFECT SNOW ADVISORY UNTIL NOON EST FRIDAY FOR NYZ021.
     LAKE EFFECT SNOW ADVISORY UNTIL 4 AM EST FRIDAY FOR NYZ013.
MARINE...SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR LEZ020.
         SMALL CRAFT ADVISORY UNTIL 8 PM EST FRIDAY FOR LEZ040-041.
         SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR
         LOZ030.
         GALE WARNING UNTIL 1 AM EST FRIDAY FOR LOZ043>045-063>065.
         GALE WARNING UNTIL 10 PM EST THIS EVENING FOR LOZ042-062.
         SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR
         SLZ022-024.

&&

SYNOPSIS...HITCHCOCK
NEAR TERM...HITCHCOCK
SHORT TERM...THOMAS
LONG TERM...THOMAS
AVIATION...HITCHCOCK
MARINE...HITCHCOCK
Hazardous weather outlook, Nov 20, 3:02 PM EST, 2 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
302 PM EST THU NOV 20 2014

NYZ007-008-019-020-212015-
JEFFERSON-LEWIS-CHAUTAUQUA-CATTARAUGUS-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL NOON EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH
CENTRAL NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW WARNING.

A WARM-UP AND SOME RAINFALL SUNDAY AND MONDAY WILL RESULT IN
SIGNIFICANT SNOWMELT IN AREAS WHICH RECEIVED HEAVY LAKE EFFECT
SNOW. THIS MAY RESULT IN SIGNIFICANT FLOODING OF SMALL STREAMS AND
CREEKS AS WELL AS LARGER STEM RIVERS AND URBAN AREAS WILL POOR
DRAINAGE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ006-212015-
OSWEGO-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 6 PM EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW WARNING.

A WARM-UP AND SOME RAINFALL SUNDAY AND MONDAY WILL RESULT IN
SIGNIFICANT SNOWMELT IN AREAS WHICH RECEIVED HEAVY LAKE EFFECT
SNOW. THIS MAY RESULT IN SIGNIFICANT FLOODING OF SMALL STREAMS AND
CREEKS AS WELL AS LARGER STEM RIVERS AND URBAN AREAS WILL POOR
DRAINAGE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ004-005-212015-
WAYNE-NORTHERN CAYUGA-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 1 AM TO 6 PM EST
FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH
CENTRAL NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ003-212015-
MONROE-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ001-002-014-212015-
NIAGARA-ORLEANS-ONTARIO-
302 PM EST THU NOV 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ021-212015-
ALLEGANY-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ010>012-085-212015-
NORTHERN ERIE-GENESEE-WYOMING-SOUTHERN ERIE-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 1 AM EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW WARNING.

A WARM-UP AND SOME RAINFALL SUNDAY AND MONDAY WILL RESULT IN
SIGNIFICANT SNOWMELT IN AREAS WHICH RECEIVED HEAVY LAKE EFFECT
SNOW. THIS MAY RESULT IN SIGNIFICANT FLOODING OF SMALL STREAMS
AND CREEKS AS WELL AS LARGER STEM RIVERS AND URBAN AREAS WILL POOR
DRAINAGE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

NYZ013-212015-
LIVINGSTON-
302 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE EFFECT SNOW ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

LEZ020-040-041-SLZ022-024-212015-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
302 PM EST THU NOV 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE AND
SAINT LAWRENCE RIVER.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

LOZ043>045-063>065-212015-
LAKE ONTARIO NEARSHORE WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO NEARSHORE WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO NEARSHORE WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE
RIVER-LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO OPEN WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE RIVER-
302 PM EST THU NOV 20 2014

...GALE WARNING IN EFFECT UNTIL 1 AM EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ONTARIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

LOZ042-062-212015-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
302 PM EST THU NOV 20 2014

...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ONTARIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

HITCHCOCK

In the hours before

Special weather statement, Nov 20, 2:31 PM EST, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
231 PM EST THU NOV 20 2014

NYZ010>012-019-020-085-202100-
CATTARAUGUS NY-CHAUTAUQUA NY-ERIE NY-GENESEE NY-WYOMING NY-
231 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE BUFFALO SOUTHTOWNS
AND LAKE ERIE SHORELINE EAST TO THE BOSTON HILLS AND WESTERN WYOMING
COUNTY...

* AT 230 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 4
  INCHES PER HOUR OR MORE...AND VISIBILITY NEAR ZERO AT TIMES. THIS
  LAKE EFFECT SNOW BAND WAS LOCATED ALONG THE LAKE ERIE
  SHORELINE OF CHAUTAUQUA COUNTY NORTHEAST ACROSS THE BOSTON HILLS
  AND SOUTHTOWNS...INTO WESTERN WYOMING COUNTY.  THIS BAND WILL ALSO
  CLIP FAR SOUTHERN GENESEE COUNTY FOR SEVERAL HOURS THIS AFTERNOON.
  THE BAND WILL REMAIN IN PLACE THIS AFTERNOON...THEN BEGIN TO
  DRIFT BACK SOUTH AFTER DARK.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  BOSTON AND WEST FALLS...
  COLDEN...WALES...EAST AURORA...
  LACKAWANNA...ORCHARD PARK...HAMBURG...
  ELMA...WEST SENECA...ALDEN...
  BENNINGTON AND ATTICA...
  VARYSBURG...HOLLAND AND MARILLA...

THIS INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 48 AND 59.

* LIGHTNING AND A FEW RUMBLES OF THUNDER WILL BE POSSIBLE.

HERE ARE SOME IMPORTANT SAFETY REMINDERS...

* DO NOT OVEREXERT YOURSELF...SHOVELING OR EVEN WALKING IN THE
  HEAVY SNOW IS EXTREMELY TAXING. TAKE PLENTY OF BREAKS TO AVOID
  OVEREXERTING YOURSELF.

* OVERSTRESSED ROOFS CAN COLLAPSE. SNOW REMOVAL OFF STRUCTURES IS
  A DANGEROUS ACTIVITY THAT SHOULD ONLY BE DONE BY QUALIFIED
  INDIVIDUALS FOLLOWING SAFETY PROTOCOLS TO MINIMIZE RISKS. IF AT
  ANY TIME THERE IS A CONCERN THAT SNOW LOADS MAY CAUSE A
  COLLAPSE...EVACUATE THE BUILDING. SIGNS OF OVERSTRESSED ROOFS
  MAY INCLUDE SAGGING TILES OR BOARDS. POPPING...CRACKING...OR
  CREAKING SOUNDS ALSO SIGNAL SIGNIFICANT DANGER.

* TRAVEL SAFETY...MANY ROADS ARE STILL IN EXTREMELY POOR CONDITION
  OR ARE IMPASSIBLE. HEED LOCAL...REGIONAL AND OTHER EMERGENCY
  TRAVEL BANS. TAKE THE TIME NOW AND PLACE A WINTER SAFETY KIT IN
  YOUR CAR. ITEMS INCLUDE BUT ARE NOT LIMITED TO...A FULLY CHARGED
  CELL PHONE...BLANKETS...FLASHLIGHT...KNIFE...NON-PERISHABLE
  FOOD...CLOTHING...AND A SHOVEL.

LAT...LON 4246 7943 4250 7936 4256 7916 4261 7913
      4265 7907 4270 7905 4271 7899 4278 7886
      4285 7887 4287 7889 4307 7805 4258 7819
      4242 7944

ZAFF
Special weather statement, Nov 20, 2:38 PM EST, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
238 PM EST THU NOV 20 2014

NYZ006>008-202100-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
238 PM EST THU NOV 20 2014

CENTRAL JEFFERSON COUNTY
AND FAR NORTHERN LEWIS COUNTY...

* AT 236 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 2 TO 3
  INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR LESS.
  THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM ADAMS TO INDIAN
  RIVER.  THE BAND IS ONLY ABOUT 10 MILES WIDE.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  ADAMS...
  BARNES CORNERS...
  COPENHAGEN...
  CASTORLAND...
  INDIAN RIVER...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 39 AND 43.

TRAVEL ACROSS THE AREA WILL BE EXTREMELY DIFFICULT OR EVEN IMPOSSIBLE
DUE TO THE VERY HEAVY SNOWFALL PRODUCING NEAR ZERO VISIBILITY AND
DEEP SNOW COVER ON ROADWAYS. TRAVEL IS NOT RECOMMENDED.

IF YOU MUST TRAVEL...BE PREPARED BY HAVING AN EMERGENCY KIT...EXTRA
BLANKETS AND WARM CLOTHING IN THE EVENT THAT YOUR VEHICLE HAS
MECHANICAL PROBLEMS OR GETS STUCK. MAKE SURE YOU HAVE A FULLY CHARGED
CELL PHONE.

LAT...LON 4366 7621 4379 7624 4382 7623 4414 7525
      4410 7516 4384 7513

ZAFF
Special weather statement, Nov 20, 3:58 PM EST, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
358 PM EST THU NOV 20 2014

NYZ010>012-019-020-085-202230-
CATTARAUGUS NY-CHAUTAUQUA NY-ERIE NY-GENESEE NY-WYOMING NY-
358 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE AREA...

* AT 351 PM EST...THE NATIONAL WEATHER SERVICE IN BUFFALO WAS
  TRACKING A LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL
  RATES OF 4 INCHES PER HOUR OR MORE...AND VISIBILITY NEAR ZERO AT
  TIMES. THIS LAKE EFFECT SNOW BAND WAS LOCATED ALONG THE
  LAKE ERIE SHORELINE OF CHAUTAUQUA COUNTY NORTHEAST ACROSS THE
  BOSTON HILLS AND SOUTHTOWNS...INTO WESTERN WYOMING COUNTY.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  BOSTON AND WEST FALLS...
  COLDEN...WALES...EAST AURORA...
  LACKAWANNA...ORCHARD PARK...HAMBURG...
  ELMA...WEST SENECA...ALDEN...
  BENNINGTON AND ATTICA...
  VARYSBURG...HOLLAND AND MARILLA...DERBY AND LAKE VIEW...

* LIGHTNING AND A FEW RUMBLES OF THUNDER WILL BE POSSIBLE.

HERE ARE SOME IMPORTANT SAFETY REMINDERS...

* DO NOT OVEREXERT YOURSELF...SHOVELING OR EVEN WALKING IN THE
  HEAVY SNOW IS EXTREMELY TAXING. TAKE PLENTY OF BREAKS TO AVOID
  OVEREXERTING YOURSELF.

* OVERSTRESSED ROOFS CAN COLLAPSE. SNOW REMOVAL OFF STRUCTURES IS
  A DANGEROUS ACTIVITY THAT SHOULD ONLY BE DONE BY QUALIFIED
  INDIVIDUALS FOLLOWING SAFETY PROTOCOLS TO MINIMIZE RISKS. IF AT
  ANY TIME THERE IS A CONCERN THAT SNOW LOADS MAY CAUSE A
  COLLAPSE...EVACUATE THE BUILDING. SIGNS OF OVERSTRESSED ROOFS
  MAY INCLUDE SAGGING TILES OR BOARDS. POPPING...CRACKING...OR
  CREAKING SOUNDS ALSO SIGNAL SIGNIFICANT DANGER.

* TRAVEL SAFETY...MANY ROADS ARE STILL IN EXTREMELY POOR CONDITION
  OR ARE IMPASSIBLE. HEED LOCAL...REGIONAL AND OTHER EMERGENCY
  TRAVEL BANS. TAKE THE TIME NOW AND PLACE A WINTER SAFETY KIT IN
  YOUR CAR. ITEMS INCLUDE BUT ARE NOT LIMITED TO...A FULLY CHARGED
  CELL PHONE...BLANKETS...FLASHLIGHT...KNIFE...NON-PERISHABLE
  FOOD...CLOTHING...AND A SHOVEL.

LAT...LON 4228 7976 4242 7946 4250 7936 4256 7915
      4270 7905 4271 7899 4278 7886 4287 7889
      4312 7792 4304 7795 4304 7790 4295 7791
      4290 7796 4267 7796 4261 7800 4220 7974
Special weather statement, Nov 20, 4:03 PM EST, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
403 PM EST THU NOV 20 2014

NYZ006>008-202215-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
403 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE AREA...

* AT 359 PM EST...THE NATIONAL WEATHER SERVICE IN BUFFALO WAS
  TRACKING A LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL
  RATES OF 2 TO 3 INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A
  MILE OR LESS. THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM ADAMS TO
  LOWVILLE.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  ADAMS...
  BARNES CORNERS...
  COPENHAGEN...
  CASTORLAND...
  INDIAN RIVER...
  WEST CARTHAGE...
  LOWVILLE...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 37 AND 43.

TRAVEL ACROSS THE AREA WILL BE EXTREMELY DIFFICULT OR EVEN IMPOSSIBLE
DUE TO THE VERY HEAVY SNOWFALL PRODUCING NEAR ZERO VISIBILITY AND
DEEP SNOW COVER ON ROADWAYS. TRAVEL IS NOT RECOMMENDED.

IF YOU MUST TRAVEL...BE PREPARED BY HAVING AN EMERGENCY KIT...EXTRA
BLANKETS AND WARM CLOTHING IN THE EVENT THAT YOUR VEHICLE HAS
MECHANICAL PROBLEMS OR GETS STUCK. MAKE SURE YOU HAVE A FULLY CHARGED
CELL PHONE.

LAT...LON 4357 7621 4382 7623 4414 7525 4410 7516
      4363 7511
Special weather statement, Nov 20, 5:36 PM EST, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
536 PM EST THU NOV 20 2014

NYZ010>012-019-020-085-210000-
CATTARAUGUS NY-CHAUTAUQUA NY-ERIE NY-GENESEE NY-WYOMING NY-
536 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE AREA...

* AT 525 PM EST...THE NATIONAL WEATHER SERVICE IN BUFFALO IS
  TRACKING A LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL
  RATES OF 4 INCHES PER HOUR OR MORE...AND VISIBILITY NEAR ZERO
  AT TIMES.

* THIS LAKE EFFECT SNOW BAND WAS LOCATED ALONG THE SHORELINE OF
  CHAUTAUQUA COUNTY NORTHEAST ACROSS THE BOSTON HILLS INTO WESTERN
  WYOMING COUNTY. THIS BAND HAS STARTED A SLOW SOUTHWARD MOVEMENT
  AND SHOULD PUSH SOUTH OF LOCATIONS FROM HAMBURG...ORCHARD PARK...
  EAST AURORA TO ATTICA OVER THE NEXT HOUR OR TWO.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  DUNKIRK AND FREDONIA...
  ORCHARD PARK AND EAST AURORA...
  NORTH BOSTON AND BOSTON...

* LIGHTNING AND A FEW RUMBLES OF THUNDER WILL BE POSSIBLE.

HERE ARE SOME IMPORTANT SAFETY REMINDERS...

* DO NOT OVEREXERT YOURSELF...SHOVELING OR EVEN WALKING IN THE
  HEAVY SNOW IS EXTREMELY TAXING. TAKE PLENTY OF BREAKS TO AVOID
  OVEREXERTING YOURSELF.

* OVERSTRESSED ROOFS CAN COLLAPSE. SNOW REMOVAL OFF STRUCTURES IS
  A DANGEROUS ACTIVITY THAT SHOULD ONLY BE DONE BY QUALIFIED
  INDIVIDUALS FOLLOWING SAFETY PROTOCOLS TO MINIMIZE RISKS. IF AT
  ANY TIME THERE IS A CONCERN THAT SNOW LOADS MAY CAUSE A
  COLLAPSE...EVACUATE THE BUILDING. SIGNS OF OVERSTRESSED ROOFS
  MAY INCLUDE SAGGING TILES OR BOARDS. POPPING...CRACKING...OR
  CREAKING SOUNDS ALSO SIGNAL SIGNIFICANT DANGER.

* TRAVEL SAFETY...MANY ROADS ARE STILL IN EXTREMELY POOR CONDITION
  OR ARE IMPASSIBLE. HEED LOCAL...REGIONAL AND OTHER EMERGENCY
  TRAVEL BANS. TAKE THE TIME NOW AND PLACE A WINTER SAFETY KIT IN
  YOUR CAR. ITEMS INCLUDE BUT ARE NOT LIMITED TO...A FULLY CHARGED
  CELL PHONE...BLANKETS...FLASHLIGHT...KNIFE...NON-PERISHABLE
  FOOD...CLOTHING...AND A SHOVEL.

LAT...LON 4228 7976 4242 7946 4250 7936 4256 7915
      4270 7905 4301 7791 4295 7791 4290 7796
      4267 7796 4260 7803 4259 7801 4257 7805
      4252 7804 4252 7831 4239 7832 4208 7977
Special weather statement, Nov 20, 5:41 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
541 PM EST THU NOV 20 2014

NYZ006>008-210015-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
541 PM EST THU NOV 20 2014

...LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE AREA...

* AT 535 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 2 TO 3
  INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR LESS.

* THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM SANDY CREEK TO
  LOWVILLE. THE BAND HAS STARTED A SLOW SOUTHWARD MOVEMENT AND WILL
  BEGIN IMPACTING LOCATIONS FROM OSWEGO TO MEXICO IN OSWEGO COUNTY
  OVER THE NEXT HOUR OR TWO.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  RODMAN...
  DENMARK AND CASTORLAND...
  ADAMS...
  OSWEGO...
  LOWVILLE...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 34 AND 43.

TRAVEL ACROSS THE AREA WILL BE EXTREMELY DIFFICULT OR EVEN IMPOSSIBLE
DUE TO THE VERY HEAVY SNOWFALL PRODUCING NEAR ZERO VISIBILITY AND
DEEP SNOW COVER ON ROADWAYS. TRAVEL IS NOT RECOMMENDED.

IF YOU MUST TRAVEL...BE PREPARED BY HAVING AN EMERGENCY KIT...EXTRA
BLANKETS AND WARM CLOTHING IN THE EVENT THAT YOUR VEHICLE HAS
MECHANICAL PROBLEMS OR GETS STUCK. MAKE SURE YOU HAVE A FULLY CHARGED
CELL PHONE.

LAT...LON 4357 7518 4345 7545 4345 7571 4348 7581
      4345 7582 4344 7657 4353 7642 4352 7629
      4354 7623 4368 7621 4383 7624 4413 7522
      4410 7516 4362 7510

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 20, 3:54 AM ESTSpecial Weather StatementBUFGenesee51 min
Nov 20, 5:28 AM ESTSpecial Weather StatementBUFErie, Genesee, Wyoming77 min
Nov 20, 7:04 AM ESTSpecial Weather StatementBUFChautauqua, Erie, Wyoming86 min
Nov 20, 7:12 AM ESTSpecial Weather StatementBUFJefferson78 min
Nov 20, 9:18 AM ESTSpecial Weather StatementBUFChautauqua, Erie, Wyoming87 min
Nov 20, 9:24 AM ESTSpecial Weather StatementBUFJefferson81 min
Nov 20, 11:21 AM ESTSpecial Weather StatementBUFErie, Genesee, Wyoming84 min
Nov 20, 11:27 AM ESTSpecial Weather StatementBUFJefferson63 min
Nov 20, 11:28 AM ESTSpecial Weather StatementBUFJefferson92 min
Nov 20, 12:51 PM ESTSpecial Weather StatementBUFErie, Genesee, Wyoming84 min
Nov 20, 12:56 PM ESTSpecial Weather StatementBUFJefferson94 min
Nov 20, 1:02 PM ESTSpecial Weather StatementBUFJefferson88 min
Nov 20, 1:05 PM ESTSpecial Weather StatementBUFJefferson55 min
Nov 20, 2:31 PM ESTSpecial Weather StatementBUFErie, Genesee, Wyoming89 min
Nov 20, 2:38 PM ESTSpecial Weather StatementBUFLewis82 min
Nov 20, 3:58 PM ESTSpecial Weather StatementBUFChautauqua, Erie, Genesee, Wyoming92 min
Nov 20, 4:03 PM ESTSpecial Weather StatementBUFLewis72 min
Nov 20, 5:36 PM ESTSpecial Weather StatementBUFChautauqua, Erie, Wyoming84 min

Nearby

Special Weather Statements in New York, 2014Every special weather statement in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.