Alert archive / New York / Lake Effect Snow Advisories in 2014

Lake Effect Snow Advisory 21, NWS Buffalo, NY

November 19, 2014Niagara County, New York

NWS Buffalo, NY issued this lake effect snow advisory at Nov 19, 2014, 9:44 AM EST for Niagara County, New York. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 19, 2014, 9:44 AM EST (14:44 UTC)
Expired
Nov 19, 2014, 3:31 PM EST
In force
6 hr
Issued by
NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 14:50 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.7 hours before the alert went out and 27 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, Buffalo Intl Airport, NY at 12:00Z on 2014-11-19Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2014-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
657 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
128 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.

537 
WWUS41 KBUF 191444
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
944 AM EST WED NOV 19 2014

NYZ010-085-192245-
/O.CAN.KBUF.LE.W.0011.000000T0000Z-141119T1800Z/
/O.CON.KBUF.LE.W.0012.141120T0400Z-141121T0600Z/
NORTHERN ERIE-SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...ORCHARD PARK...SPRINGVILLE
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 1 AM EST FRIDAY...

* LOCATIONS...ERIE COUNTY INCLUDING THE BUFFALO METRO AREA.

* TIMING...LATE THIS EVENING THROUGH THURSDAY NIGHT. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND 2 FEET IN THE
  MOST PERSISTENT SNOWS. THE HEAVIEST AMOUNTS MAY AGAIN FOCUS ON
  AREAS FROM SOUTH BUFFALO TO THE NEARBY SOUTHERN AND EASTERN
  SUBURBS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. SOME ROADS THAT HAVE BEEN CLEARED
  MAY BECOME IMPASSABLE AGAIN. SNOW LOADS ON BUILDINGS MAY REACH
  CRITICAL LEVELS AND RESULT IN STRUCTURAL FAILURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ006-192245-
/O.CAN.KBUF.LE.W.0011.000000T0000Z-141119T2000Z/
/O.CON.KBUF.LE.W.0012.141120T2100Z-141121T2300Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY
TO 6 PM EST FRIDAY...

* LOCATIONS...OSWEGO COUNTY. BAND WILL MOVE SLOWLY SOUTH ACROSS
  THE COUNTY THURSDAY NIGHT AND FRIDAY. 

* TIMING...LATE THURSDAY AFTERNOON THROUGH FRIDAY. 

* ACCUMULATIONS...ACCUMULATIONS OF UP TO 2 FEET IN THE MOST
  PERSISTENT SNOWS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ007-008-192245-
/O.CON.KBUF.LE.W.0011.000000T0000Z-141119T2000Z/
/O.CON.KBUF.LE.W.0012.141120T0800Z-141121T1700Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 AM THURSDAY
TO NOON EST FRIDAY...

* LOCATIONS...JEFFERSON AND LEWIS COUNTIES. GREATEST AMOUNTS FROM
  WATERTOWN AND FORT DRUM NORTHWARD THROUGH THIS AFTERNOON.

* TIMING...FIRST WARNING CONTINUES THROUGH THIS AFTERNOON. 
  SECOND WARNING LATE TONIGHT THROUGH MIDDAY FRIDAY. 

* ACCUMULATIONS...5 TO 10 INCHES TODAY IN PERSISTENT BANDS.

  ADDITIONAL ACCUMULATIONS OF UP TO 2 FEET IN THE SECOND STORM  
  LATE TONIGHT THROUGH MIDDAY FRIDAY IN PERSISTENT BANDS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ011-012-192245-
/O.CON.KBUF.LE.W.0012.141120T0400Z-141121T0600Z/
GENESEE-WYOMING-
INCLUDING THE CITIES OF...BATAVIA...WARSAW
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 1 AM EST FRIDAY...

* LOCATIONS...GENESEE AND WYOMING COUNTIES.

* TIMING...LATE THIS EVENING THROUGH THURSDAY NIGHT.

* ACCUMULATIONS...ONE TO TWO FEET IN THE MOST PERSISTENT LAKE 
  SNOWS. 

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ019-020-192245-
/O.CON.KBUF.LE.W.0012.141120T1100Z-141121T1700Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY
TO NOON EST FRIDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES...GREATEST 
  AMOUNTS ACROSS NORTHERN PORTIONS OF THE AREA. 

* TIMING...EARLY THURSDAY MORNING THROUGH MIDDAY FRIDAY.

* ACCUMULATIONS...ONE TO TWO FEET IN THE MOST PERSISTENT LAKE 
  SNOWS. 

* WINDS...WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ001-191800-
/O.NEW.KBUF.LE.Y.0021.141119T1444Z-141119T1800Z/
NIAGARA-
INCLUDING THE CITY OF...NIAGARA FALLS
944 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON.

* LOCATIONS...NIAGARA COUNTY.

* TIMING...THROUGH MIDDAY.

* ACCUMULATIONS...A QUICK 3 TO 6 INCHES AS LAKE EFFECT SNOW DRIFTS
  NORTH.

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES.

* IMPACTS...A BRIEF BURST OF HEAVY SNOW WILL CREATE SNOW COVERED
  ROADS AND VERY POOR VISIBILITY. MOTORISTS SHOULD BE PREPARED FOR
  RAPIDLY CHANGING ROAD AND WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

HITCHCOCK
2 follow-up statements
671 
WWUS41 KBUF 191728
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1228 PM EST WED NOV 19 2014

NYZ007-008-200130-
/O.CAN.KBUF.LE.W.0011.000000T0000Z-141119T2000Z/
/O.CON.KBUF.LE.W.0012.141120T0800Z-141121T1700Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1228 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 AM THURSDAY
TO NOON EST FRIDAY...
...LAKE EFFECT SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE LAKE
EFFECT SNOW WARNING. 

* LOCATIONS...JEFFERSON AND LEWIS COUNTIES.

* TIMING...TONIGHT THROUGH MIDDAY FRIDAY.

* ACCUMULATIONS...UP TO TWO FEET IN MOST PERSISTENT SNOW BANDS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT 
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION 
  OF THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW 
  VISIBILITY AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

&&

$$

NYZ010>012-085-200130-
/O.CON.KBUF.LE.W.0012.141120T0400Z-141121T0600Z/
NORTHERN ERIE-GENESEE-WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA...WARSAW...
ORCHARD PARK...SPRINGVILLE
1228 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 1 AM EST FRIDAY...

* LOCATIONS...ERIE COUNTY INCLUDING THE BUFFALO METRO AREA.

* TIMING...LATE THIS EVENING THROUGH THURSDAY NIGHT.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND 2 FEET IN 
  THE MOST PERSISTENT SNOWS. THE HEAVIEST AMOUNTS MAY AGAIN 
  FOCUS ON AREAS FROM SOUTH BUFFALO TO THE NEARBY SOUTHERN AND 
  EASTERN SUBURBS. 

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING 
  SIGNIFICANT BLOWING AND DRIFTING SNOW. 

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT 
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION 
  OF THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW 
  VISIBILITY AND DEEP SNOW COVER ON ROADS. SOME ROADS THAT HAVE 
  BEEN CLEARED MAY BECOME IMPASSABLE AGAIN. SNOW LOADS ON 
  BUILDINGS MAY REACH CRITICAL LEVELS AND RESULT IN STRUCTURAL 
  FAILURE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ019-020-200130-
/O.CON.KBUF.LE.W.0012.141120T1100Z-141121T1700Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
1228 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY
TO NOON EST FRIDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES...GREATEST 
  AMOUNTS ACROSS NORTHERN PORTIONS OF THE AREA. 

* TIMING...EARLY THURSDAY MORNING THROUGH MIDDAY FRIDAY.

* ACCUMULATIONS...ONE TO TWO FEET IN THE MOST PERSISTENT LAKE 
  SNOWS. 

* WINDS...WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING 
  SIGNIFICANT BLOWING AND DRIFTING SNOW. 

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT 
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION 
  OF THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW 
  VISIBILITY AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ006-200130-
/O.CON.KBUF.LE.W.0012.141120T2100Z-141121T2300Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
1228 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY
TO 6 PM EST FRIDAY...

* LOCATIONS...OSWEGO COUNTY. BAND WILL MOVE SLOWLY SOUTH ACROSS 
  THE COUNTY THURSDAY NIGHT AND FRIDAY. 

* TIMING...LATE THURSDAY AFTERNOON THROUGH FRIDAY.

* ACCUMULATIONS...ACCUMULATIONS OF UP TO 2 FEET IN THE MOST 
  PERSISTENT SNOWS. 

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH PRODUCING 
  SIGNIFICANT BLOWING AND DRIFTING SNOW. 

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT 
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION 
  OF THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW 
  VISIBILITY AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ001-192100-
/O.EXT.KBUF.LE.Y.0021.000000T0000Z-141119T2100Z/
NIAGARA-
INCLUDING THE CITY OF...NIAGARA FALLS
1228 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* LOCATIONS...NIAGARA COUNTY.

* TIMING...THROUGH LATE THIS AFTERNOON.

* ACCUMULATIONS...A QUICK 3 TO 6 INCHES OF SNOW AS LAKE EFFECT
  SNOW BAND DRIFTS NORTH.

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES.

* IMPACTS...A BRIEF BURST OF HEAVY SNOW WILL CREATE SNOW COVERED 
  ROADS AND VERY POOR VISIBILITY. MOTORISTS SHOULD BE PREPARED 
  FOR RAPIDLY CHANGING ROAD AND WEATHER CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

THOMAS
523 
WWUS41 KBUF 192031
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
331 PM EST WED NOV 19 2014

NYZ001-192145-
/O.CAN.KBUF.LE.Y.0021.000000T0000Z-141119T2100Z/
NIAGARA-
INCLUDING THE CITY OF...NIAGARA FALLS
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE LAKE
EFFECT SNOW ADVISORY. 

LAKE EFFECT SNOW HAS ENDED.

$$

NYZ010>012-085-200445-
/O.CON.KBUF.LE.W.0012.141120T0400Z-141121T0600Z/
NORTHERN ERIE-GENESEE-WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA...WARSAW...
ORCHARD PARK...SPRINGVILLE
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 1 AM EST FRIDAY...

* LOCATIONS...ERIE...GENESEE...AND WYOMING COUNTIES. THIS INCLUDES
  THE BUFFALO METRO AREA. GREATEST ACCUMULATIONS EXPECTED FROM
  SOUTH BUFFALO TO THE NEARBY SOUTHERN AND EASTERN SUBURBS
  EXTENDING INTO THE SOUTHWEST CORNER OF GENESEE COUNTY AND THE
  NORTHWEST CORNER OF WYOMING COUNTIES.

* TIMING...LATE THIS EVENING THROUGH OVERNIGHT THURSDAY NIGHT.

* ACCUMULATIONS...STORM TOTALS OF 2 TO 3 FEET IN THE MOST
  PERSISTENT BANDS. SNOWFALL RATES OF 2 TO 4 INCHES PER HOUR IN
  THE MOST INTENSE PORTION OF THE BAND THURSDAY.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. SOME ROADS THAT HAVE BEEN CLEARED
  MAY BECOME IMPASSABLE AGAIN. DO NOT TRAVEL IN THE MOST HEAVILY
  AFFECTED AREAS! SNOW LOADS ON BUILDINGS MAY REACH CRITICAL
  LEVELS AND RESULT IN STRUCTURAL FAILURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ019-020-200445-
/O.CON.KBUF.LE.W.0012.141120T1100Z-141121T1700Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY
TO NOON EST FRIDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES...GREATEST
  AMOUNTS ACROSS NORTHERN PORTIONS OF THE AREA AND ALONG THE LAKE
  ERIE SHORE.

* TIMING...LATE TONIGHT THROUGH LATE FRIDAY MORNING.

* ACCUMULATIONS...STORM TOTALS OF AROUND 2 FEET IN THE MOST
  PERSISTENT BANDS. SNOWFALL RATES OF 2 TO 4 INCHES PER HOUR
  POSSIBLE IN THE MOST INTENSE PORTION OF THE BAND.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS TO 35 WILL PRODUCE
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT 
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION 
  OF THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW 
  VISIBILITY AND DEEP SNOW COVER ON ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ007-008-200445-
/O.CON.KBUF.LE.W.0012.141120T0800Z-141121T1700Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 AM THURSDAY
TO NOON EST FRIDAY...

* LOCATIONS...JEFFERSON AND LEWIS COUNTIES.

* TIMING...LATE TONIGHT THROUGH LATE FRIDAY MORNING.

* ACCUMULATIONS...STORM TOTALS OF 2 TO 3 FEET IN THE MOST
  PERSISTENT LAKE SNOWS. GREATEST AMOUNTS FROM NEAR WATERTOWN AND
  FORT DRUM SOUTHWARD TO THE TUG HILL PLATEAU. SNOWFALL RATES OF 2
  TO 4 INCHES POSSIBLE IN THE MOST INTENSE PORTION OF THE BAND.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. THIS INCLUDES INTERSTATE 81 FROM
  WATERTOWN TO THE OSWEGO COUNTY LINE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

&&

$$

NYZ006-200445-
/O.CON.KBUF.LE.W.0012.141120T2100Z-141121T2300Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY
TO 6 PM EST FRIDAY...

* LOCATIONS...OSWEGO COUNTY. BAND WILL MOVE SLOWLY SOUTH ACROSS 
  THE COUNTY THURSDAY NIGHT AND FRIDAY. 

* TIMING...LATE THURSDAY AFTERNOON THROUGH EARLY FRIDAY EVENING.

* ACCUMULATIONS...STORM TOTALS OF 2 TO 3 FEET ON THE TUG HILL
  PLATEAU...WITH 1 TO 2 FEET POSSIBLE IN OTHER AREAS OF CENTRAL
  AND NORTHERN OSWEGO COUNTY.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH PRODUCING
  SIGNIFICANT BLOWING AND DRIFTING SNOW.

* VISIBILITIES...NEAR ZERO AT TIMES.

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION OF
  THE BAND. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...
  EXPECT SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY
  AND DEEP SNOW COVER ON ROADS. THIS INCLUDES INTERSTATE 81
  THROUGH ALL OF OSWEGO COUNTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LOSE POWER AND PLAN ON RUNNING A GENERATOR...MAKE SURE
THAT THE GENERATOR IS LOCATED OUTDOORS AND IS PROPERLY
VENTILATED. SPACE HEATERS SHOULD ALSO BE PROPERLY VENTILATED AND
USED ONLY IF THEY ARE OPERATING PROPERLY. MAKE SURE SNOW DOES NOT
BLOCK EXHAUSTS AND FRESH AIR INTAKES FOR HIGH EFFICIENCY FURNACES
AND WATER HEATERS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ003-200445-
/O.NEW.KBUF.LE.Y.0022.141120T0500Z-141121T0000Z/
MONROE-
INCLUDING THE CITY OF...ROCHESTER
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM
EST THURSDAY. 

* LOCATIONS...MONROE COUNTY...MAINLY IN THE FAR SOUTHWEST PORTION
  OF THE COUNTY.

* TIMING...MIDNIGHT TONIGHT THROUGH EARLY THURSDAY EVENING.

* ACCUMULATIONS...STORM TOTALS OF 3 TO 6 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW.

* VISIBILITIES...AS LOW AS A QUARTER MILE AT TIMES.

* IMPACTS...LOCALIZED LAKE EFFECT SNOW AND BLOWING SNOW WILL
  RESULT IN SLIPPERY ROADS AND POOR VISIBILITY AT TIMES. THIS
  INCLUDES INTERSTATE 490.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

NYZ013-200445-
/O.NEW.KBUF.LE.Y.0022.141120T0500Z-141121T0900Z/
LIVINGSTON-
INCLUDING THE CITY OF...GENESEO
331 PM EST WED NOV 19 2014

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
4 AM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 AM
EST FRIDAY. 

* LOCATIONS...LIVINGSTON COUNTY...MAINLY OVER THE NORTHERN AND
  WESTERN PORTION OF THE COUNTY.

* TIMING...MIDNIGHT TONIGHT THROUGH LATE THURSDAY NIGHT.

* ACCUMULATIONS...LOCALIZED STORM TOTALS OF 4 TO 8 INCHES IN THE
  MOST PERSISTENT LAKE SNOWS.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW.

* VISIBILITIES...AS LOW AS A QUARTER MILE AT TIMES.

* IMPACTS...LOCALIZED LAKE EFFECT SNOW AND BLOWING SNOW WILL
  RESULT IN SLIPPERY ROADS AND POOR VISIBILITY AT TIMES. THIS
  INCLUDES INTERSTATE 490.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF
WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS
CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO.

REPORT SNOW ACCUMULATION TO THE NATIONAL WEATHER SERVICE IN
BUFFALO BY SENDING AN EMAIL TO BUFSTORM.REPORT@NOAA.GOV...POSTING
TO THE NWS BUFFALO FACEBOOK PAGE...OR TWEET...USING THE HASHTAG
BUFWX

&&

$$

HITCHCOCK

What forecasters said that day

The local office's own words before this lake effect snow advisory 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 lake effect snow advisory went out at Nov 19, 7:09 AM EST, 2 hours 35 minutes earlier.

Area forecast discussion, Nov 19, 7:09 AM EST, 2 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
709 AM EST WED NOV 19 2014

.SYNOPSIS...
THE FIRST OF TWO STRONG LAKE EFFECT SNOW EVENTS WILL COME TO AN END
TODAY AS THE LAKE EFFECT BANDS DRIFT NORTHWARD AND WEAKEN. LOW
PRESSURE APPROACHING THE UPPER GREAT LAKES WILL BACK THE WINDS WHICH
WILL SHIFT THE SNOW BANDS. A SURFACE TROUGH ASSOCIATED WITH THIS LOW
WILL CROSS THE LOWER GREAT LAKES THIS EVENING WITH ALL LOCATIONS
SEEING SOME LIGHT SNOWFALL. FOLLOWING THIS...YET ANOTHER STRONG LAKE
EFFECT EVENT WILL ORGANIZE EAST OF THE LAKES THURSDAY...TAPERING OFF
THROUGH THE DAY FRIDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
WELL ORGANIZED LAKE EFFECT SNOW BANDS CONTINUE THIS MORNING TO THE
EAST OF LAKE ERIE AND ONTARIO. A CHANGE IN THE SYNOPTIC PATTERN WILL
SHIFT THE SNOW BANDS NORTHWARD AND DISRUPT THEM TODAY. THIS CHANGE
WILL COME IN THE FORM OF A SURFACE TROUGH OF LOW PRESSURE CROSSING
THE GREAT LAKES WHICH WILL BACK THE STEERING LEVEL WINDS TO
SOUTHWEST THEN SOUTH. LATER THIS AFTERNOON/EVENING THIS SURFACE
TROUGH WILL CROSS THE LOWER GREAT LAKES WITH A WIDESPREAD LIGHT
SNOWFALL EXPECTED. NOW FOR THE FINER DETAILS...

OFF ERIE...AT 12Z THE CORE OF THE SNOW BAND WHICH IS ONLY ABOUT 10
MILES WIDE EXTENDS RIGHT ACROSS METRO BUFFALO TO THE BUFFALO
AIRPORT. THE PAST FEW RADAR IMAGES SHOW THE BAND CONTINUES TO SLOWLY
BUT STEADILY SHIFT NORTHWARD. RADAR ESTIMATES HAVE SHOWN AN UPTICK
WITH NOW 1.5IN/HR ESTIMATES BUT IT IS VERY POSSIBLE THAT LOCALIZED
2IN+/HR RATES ARE PRESENT. AS THE BAND SHIFTS NORTH THIS MORNING IT
WILL LIFT ACROSS METRO BUFFALO THEN THE NORTHTOWNS AND THEN UNDER A 200
FLOW THE BAND WILL FOCUS ACROSS GRAND ISLAND AND NIAGARA COUNTY
BEFORE WEAKENING/DISSIPATING WITH THE APPROACH OF THE SYNOPTIC
TROUGH. THE BAND SHOULD STEADILY SHIFT NORTH NOT STALLING ACROSS THE
NEARLY SNOW-VACANT METRO BUFFALO AND NORTHTOWNS BUT IN ITS PASSAGE
WILL BRING A FEW INCHES OF SNOW AND FEW HOUR PERIOD OF REDUCED
VISIBILITY. THE BAND LOOKS TO LIFT ACROSS METRO BUFFALO NEAR THE
MORNING RUSH THAT WOULD BRING SOME TRAVEL ISSUES.

OFF ONTARIO...KTYX RADAR SHOWING A MUCH DIFFERENT REFLECTIVITY
PATTERN IN THE SNOW BAND EAST OF LAKE ONTARIO THAN WHAT WE ARE
SEEING EAST OF LAKE ERIE. A WIDER BAND /20 MILES/ OF SNOW EXTENDS
FROM THE OSWEGO/JEFFERSON COUNTY LINE EAST ACROSS THE TUG HILL WITH
A MORE BROKEN SECONDARY NORTHERN BAND FROM ABOUT WATERTOWN EAST TO
OLD FORGE. RADAR ESTIMATED SNOWFALL RATES ARE 2 TO 3 INCHES PER HOUR
BUT AGAIN IT IS VERY POSSIBLE THAT LOCALIZED HIGHER RATES ARE
PRESENT. THE LAKE ONTARIO BAND HAS BEGUN ITS SWING NORTH NOW FIRST
AT THE WESTERN END THEN WHIPPING NORTH ON THE EASTERN END. MESOSCALE
GUIDANCE INDICATED THE CORE OF THE BAND WILL SHIFT ACROSS WATERTOWN
NEAR MIDDAY THEN SHIFT OVER THE THOUSAND ISLANDS AND BE FOCUSED DOWN
THE SAINT LAWRENCE RIVER INTO THE AFTERNOON. WITH THE HIGHER RATES
HERE EXPECT A FOOT OR MORE ADDITIONAL SNOW ACROSS THE TUG POSSIBLE
AND SEVERAL FRESH INCHES IN AREAS WITH THE PASSAGE OF THE BAND TO
THE NORTH. REDUCED VISIBILITY WILL ALSO BE A PROBLEM EAST OF THE
LAKE ESPECIALLY ALONG INTERSTATE 81.

TEMPERATURES TODAY WILL REMAIN BELOW NORMAL WITH HIGHS ONLY REACHING
INTO THE MID 20S AND WIND CHILLS MAKING IT FEEL LIKE THE TEENS TO
EVEN SINGLE DIGITS ACROSS THE HIGHER TERRAIN.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY NIGHT/...
...MORE SIGNIFICANT LAKE SNOWS EXPECTED TO IMPACT AREAS ALREADY HARD
HIT DOWNWIND OF LAKE ERIE AND LAKE ONTARIO...

ANOTHER SURGE OF FRESH ARCTIC AIR WILL REINVIGORATE LAKE EFFECT
SNOWS DOWNWIND OF THE LAKES THROUGH THE PERIOD. IT IS LIKELY THAT
THE HEAVIEST AND MOST PERSISTENT SNOWS WILL IMPACT AREAS ALREADY
HARD HIT FROM THE RECENT LAKE SNOW EVENT.

OVER-LAKE INSTABILITY WILL ONCE AGAIN BECOME EXTREME...AS 850 MB
TEMPERATURES DROP TO NEAR -14C CREATING DELTA T/S AT OR ABOVE 20C.
LAKE INDUCED CAPES LOOK TO RISE TO NEAR 1000 J/KG WITH EQUILIBRIUM
LEVELS ONCE AGAIN TOPPING 15K FEET. THESE PARAMETERS LOOK TO BE A
LITTLE MORE EXTREME OFF LAKE ONTARIO...ESPECIALLY THURSDAY NIGHT AND
EARLY FRIDAY.

WITH THE LATEST PROFILES SHOWING OMEGA MAXIMIZED ONCE AGAIN IN THE
FAVORED DENDRITIC GROWTH ZONE ALONG WITH DEEP MOISTURE...WE ARE
LIKELY TO SEE SIGNIFICANT ADDITIONAL ACCUMULATIONS.

WE ENVISION THAT FRESH AMOUNTS FROM TONIGHT THROUGH THURSDAY NIGHT
COULD NEAR OR EXCEED TWO FEET EAST OF LAKE ERIE...WITH THE MAIN
FOCAL AREA ONCE AGAIN POINTED RIGHT AT THE BUFFALO SOUTHTOWNS ON A
PROLONGED 250-260 FLOW.

SINCE LAKE PARAMETERS OFF LAKE ONTARIO APPEAR TO BE A BIT MORE
EXTREME...WE EXPECT HIGHER ADDITIONAL TOTALS FROM LATE TONIGHT
THROUGH FRIDAY...WITH THE TUG HILL REGION LIKELY TO BE NEAR OR EVEN
EXCEED THREE FEET.

TEMPERATURES WILL REMAIN WELL BELOW NORMAL THROUGH THE END OF THE
WEEK...MORE TYPICAL OF JANUARY THAN LATE NOVEMBER. IT WILL BE QUITE
WINDY AGAIN ON THURSDAY WITH PLENTY OF BLOWING AND DRIFTING SNOW AND
NEAR BLIZZARD CONDITIONS AT TIMES IN AND NEAR THE STRONGER BANDS.
SNOWFALL RATES MAY AGAIN REACH 3 PLUS INCHES PER HOUR IN THE MORE
INTENSE BANDS.

THIS EVENT MAY RESULT IN ADDITIONAL MAJOR TRAVEL DISRUPTIONS IN THE
BUFFALO AREA AND ALSO NEAR WATERTOWN WITH MAJOR ROAD CLOSURES
POSSIBLE.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
HIGH PRESSURE OVER THE NORTHEAST US WILL MOVE OFFSHORE
SATURDAY...GIVING WITH THOSE AFFECTED BY LAKE EFFECT A LITTLE TIME
TO CLEAN UP BEFORE THE NEXT WEATHER SYSTEM...WHICH WILL ALMOST
LITERALLY PUT A DAMPER ON THINGS.

BY LATE SATURDAY OR EARLY SUNDAY...A SYSTEM OVER TX WILL MOVE
NORTHEAST AND DEEPEN AS IT MOVES OVER THE CENTRAL GREAT LAKES
REGION...PLACING WESTERN NY ON THE WARM SIDE OF THE STORM.  AS THIS
SYSTEM CONTINUES NORTHEAST INTO ONTARIO ON MONDAY...A SLUG OF
MOISTURE ASSOCIATED WITHIN A WARM ADVECTIVE REGIME WILL LIKELY
SPREAD RAIN ACROSS THE REGION...WITH OBVIOUS CONCERNS FROM
LOCALIZED SNOWMELT FROM THIS SYSTEM ON MONDAY.  A COLD FRONT SHOULD
MOVE IN LATER MONDAY OR TUESDAY WITH ADDITIONAL BUT SHORTER DURATION
RAINFALL.

&&

.AVIATION /12Z WEDNESDAY THROUGH SUNDAY/...
LAKE EFFECT SNOW CONTINUES EAST OF THE GREAT LAKES THIS MORNING. THE
LAKE ERIE BAND IS NOW CENTERED ACROSS KBUF AT 12Z WITH LIFR VIS AND
CIGS IN HEAVY SNOW. THE BAND WILL CONTINUE TO SLOWLY SHIFT NORTH
THROUGH THE MORNING LIFTING TO THE KIAG TERMINAL BY LATE MORNING.
EXPECT IFR VIS AND A FEW INCHES OF ACCUMULATING SNOW DURING ITS
PASSAGE.

THE LAKE ONTARIO BAND IS LARGELY SOUTH OF KART BUT SOME
STREAMERS MAY OCCASIONALLY BRING REDUCED VIS TO KART. THIS BAND IS
ALSO LIFTING NORTH AND EXPECTED TO CROSS THE KART TERMINAL WITH
REDUCED VIS AND ACCUMULATING SNOW. KROC AND KJHW SHOULD REMAIN VFR
TODAY.

LATER THIS EVENING AN APPROACHING SURFACE TROUGH WILL CROSS
THE LOWER GREAT LAKES BRINGING SOME LIGHT SNOW AND REDUCED VIS/CIGS.
PAST 06Z ANOTHER ROUND OF LAKE EFFECT WILL SET UP NORTHEAST OF THE
LAKES AND IS EXPECTED TO SHIFT SOUTH CROSSING THE TERMINALS LATE
TONIGHT.

OUTLOOK...
THURSDAY...HEAVY LAKE EFFECT SNOW EAST AND NORTHEAST OF THE LAKES
WITH LOCAL VLIFR. MAINLY VFR ELSEWHERE.
FRIDAY...LAKE EFFECT SNOW LIKELY EAST AND SOUTHEAST OF THE LAKES
WITH LOCAL IFR. MAINLY VFR ELSEWHERE.
SATURDAY...VFR

&&

.MARINE...
SMALL CRAFT ADVISORIES ARE OUT ON ALL LAKE NEARSHORE ZONES. WINDS
WILL DROP OFF SOME TODAY BUT ENOUGH OF A GRADIENT WILL REMAIN TO
CONTINUE SMALL CRAFT ADVISORIES ON THE EAST ENDS OF THE LAKE. ACROSS
THE SOUTHERN LAKE ONTARIO SHORE WINDS AND WAVES LOOK TO RELAX ENOUGH
TO END ADVISORIES BY THE AFTERNOON. LAKE SNOWS WILL CONTINUE OVER
THE LAKES LIFTING NORTH THROUGH THE DAY.

ANOTHER ROUND OF ADVISORIES WILL LIKELY BE NEEDED ALONG THE SOUTHERN
LAKE ONTARIO SHORES LATER TONIGHT AS WINDS INCREASE BEHIND A PASSING
SURFACE TROUGH.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...LAKE EFFECT SNOW WARNING UNTIL 3 PM EST THIS AFTERNOON FOR
     NYZ006>008.
     LAKE EFFECT SNOW WARNING FROM 3 AM THURSDAY TO NOON EST FRIDAY
     FOR NYZ007-008.
     LAKE EFFECT SNOW WARNING FROM 4 PM THURSDAY TO 6 PM EST FRIDAY
     FOR NYZ006.
     LAKE EFFECT SNOW WARNING FROM 11 PM THIS EVENING TO 1 AM EST
     FRIDAY FOR NYZ010>012-085.
     LAKE EFFECT SNOW WARNING UNTIL 1 PM EST THIS AFTERNOON FOR
     NYZ010-085.
     LAKE EFFECT SNOW WARNING FROM 6 AM THURSDAY TO NOON EST FRIDAY
     FOR NYZ019-020.
MARINE...SMALL CRAFT ADVISORY UNTIL 7 AM EST FRIDAY FOR LEZ040-041.
         SMALL CRAFT ADVISORY UNTIL 1 PM EST THIS AFTERNOON
         FOR LOZ042-043.
         SMALL CRAFT ADVISORY UNTIL 7 AM EST FRIDAY FOR LOZ045.
         SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR
         LOZ044.

&&

SYNOPSIS...SMITH
NEAR TERM...SMITH
SHORT TERM...TMA
LONG TERM...ZAFF
AVIATION...SMITH
MARINE...SMITH
Hazardous weather outlook, Nov 19, 6:35 AM EST, 3 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
635 AM EST WED NOV 19 2014

NYZ007-008-201145-
JEFFERSON-LEWIS-
635 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 3 AM THURSDAY TO NOON EST
FRIDAY...

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

.DAY ONE...TODAY 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...THURSDAY THROUGH TUESDAY.

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.

.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

NYZ006-201145-
OSWEGO-
635 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 4 PM THURSDAY TO 6 PM EST
FRIDAY...

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

.DAY ONE...TODAY 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...THURSDAY THROUGH TUESDAY.

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.

.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>005-013-014-021-201145-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-LIVINGSTON-ONTARIO-
ALLEGANY-
635 AM EST WED NOV 19 2014

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

NYZ019-020-201145-
CHAUTAUQUA-CATTARAUGUS-
635 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 6 AM THURSDAY TO NOON EST
FRIDAY...

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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.

.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

NYZ010-085-201145-
NORTHERN ERIE-SOUTHERN ERIE-
635 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 11 PM THIS EVENING TO
1 AM EST FRIDAY...

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

.DAY ONE...TODAY 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...THURSDAY THROUGH TUESDAY.

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.

.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

NYZ011-012-201145-
GENESEE-WYOMING-
635 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 11 PM THIS EVENING TO
1 AM EST FRIDAY...

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

.DAY ONE...TODAY 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...THURSDAY THROUGH TUESDAY.

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.

.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-LOZ042>045-062>065-SLZ022-024-201145-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
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 THE NIAGARA RIVER TO HAMLIN BEACH-
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-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
635 AM EST WED NOV 19 2014

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

In the hours before

Special weather statement, Nov 19, 4:32 AM EST, 5 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
432 AM EST WED NOV 19 2014

NYZ010-085-191030-
ERIE NY-
432 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW STARTING TO MOVE INTO THE CITY OF BUFFALO...

* AT 422 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 1
  TO 2 INCHES PER HOUR...AND VISIBILITY OF A HALF MILE OR LESS.

THIS LAKE BAND WHICH REMAINED NEARLY STATIONARY OVER THE BUFFALO
SOUTHTOWNS TUESDAY...HAS PROGRESSED SLOWLY TO THE NORTH AND IS NOW
BEGINNING TO PUSH INTO THE CITY OF BUFFALO AND WILL BE APPROACHING
THE BUFFALO AIRPORT.

THOUGH THE SNOWFALL INTENSITY WILL NOT BE AS SIGNIFICANT AND THE
BAND WILL CONTINUE TO PUSH STEADILY TO THE NORTH...SEVERAL INCHES OF
ACCUMULATION WILL BE POSSIBLE THROUGH THE MORNING COMMUTE FOR THE
BUFFALO METRO AREA.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  THE CITY OF BUFFALO...
  ORCHARD PARK...
  SLOAN...
  SLOAN AND WEST SENECA...
  CHEEKTOWAGA...
  DEPEW AND LANCASTER...

THIS INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 52 AND 56.

DRIVING WITHIN THIS SNOW BAND WILL BE VERY DIFFICULT WITH SNOW
COVERED ROADS AND VERY POOR VISIBILITY. IF TRAVELING ACROSS THE AREA
ALLOW FOR PLENTY OF EXTRA TIME TO REACH YOUR DESTINATION.

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 4289 7890 4295 7866 4277 7858 4274 7889
      4276 7889 4279 7886 4282 7888 4284 7887
      4285 7889 4287 7890

TMA
Special weather statement, Nov 19, 4:51 AM EST, 4 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
451 AM EST WED NOV 19 2014

NYZ006>008-191045-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
451 AM EST WED NOV 19 2014

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

* AT 446 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A HEAVY 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 CENTERED FROM SANDY CREEK
  TO HIGHMARKET.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  SANDY CREEK...
  NORTH OSCEOLA...
  HIGHMARKET...
  GRIEG...
  CONSTABLEVILLE AND PORT LEYDEN...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 35 AND 40.

* ADDITIONALLY...WINDS OF 20 TO 30 MPH...AND SNOWFALL WILL CREATE
  AREAS OF BLOWING AND DRIFTING SNOW.

DRIVING WITHIN THIS SNOW BAND WILL BE VERY DIFFICULT WITH SNOW
COVERED ROADS AND VERY POOR VISIBILITY. IF TRAVELING ACROSS THE AREA
ALLOW FOR PLENTY OF EXTRA TIME TO REACH YOUR DESTINATION.

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 4342 7552 4342 7557 4348 7580 4345 7582
      4352 7623 4356 7623 4358 7621 4373 7622
      4381 7513 4362 7510

TMA
Special weather statement, Nov 19, 6:51 AM EST, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
651 AM EST WED NOV 19 2014

NYZ010-191245-
ERIE NY-
651 AM EST WED NOV 19 2014

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

* AT 645 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 1
  TO 2 INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR
  LESS. THIS 10 MILE WIDE LAKE EFFECT SNOW BAND...WITH THE NORTHERN
  EDGE EXTENDING FROM THE CITY OF BUFFALO TO CLARENCE AND THE
  SOUTHERN EDGE EXTENDING FROM LACKAWANNA TO ALDEN WILL CONTINUE TO
  SLOWLY DRIFT TO THE NORTH THROUGH THE MORNING COMMUTE.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  THE CITY OF BUFFALO...
  CHEEKTOWAGA...

THIS INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 55.

DRIVING WITHIN THIS SNOW BAND WILL BE VERY DIFFICULT WITH SNOW
COVERED ROADS AND VERY POOR VISIBILITY. IF TRAVELING ACROSS THE AREA
ALLOW FOR PLENTY OF EXTRA TIME TO REACH YOUR DESTINATION.

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 4300 7855 4290 7846 4280 7885 4291 7892

TMA
Special weather statement, Nov 19, 7:39 AM EST, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
739 AM EST WED NOV 19 2014

NYZ001-010-191330-
ERIE NY-NIAGARA NY-
739 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW BAND LIFTING NORTH ACROSS THE BUFFALO NORTHTOWNS
TO NIAGARA COUNTY THIS MORNING...

* AT 732 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 1 TO 2
  INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR LESS.
THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM NORTH BUFFALO TO
CLARENCE.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  KENMORE AND WILLIAMSVILLE...
  TONAWANDA AND HARRIS HILL...
  NORTH TONAWANDA AND GRAND ISLAND...
  NIAGARA FALLS AND LOCKPORT...

THIS INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 52.

DRIVING WITHIN THIS SNOW BAND WILL BE DIFFICULT AT TIMES WITH SNOW
COVERED AND SLIPPERY ROADWAYS. IF TRAVELING ACROSS THE AREA SLOW DOWN
AND BE PREPARED FOR RAPIDLY CHANGING ROAD AND WEATHER CONDITIONS.

LAT...LON 4310 7907 4313 7908 4315 7905 4321 7851
      4296 7848 4285 7888 4287 7891 4294 7892
      4296 7899 4300 7903 4306 7901 4308 7908

SMITH
Special weather statement, Nov 19, 7:47 AM EST, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
747 AM EST WED NOV 19 2014

NYZ006>008-191345-
JEFFERSON NY-LEWIS NY-OSWEGO NY-
747 AM EST WED NOV 19 2014

...LAKE EFFECT SNOW BAND SHIFTING NORTH ACROSS THE EASTERN LAKE
ONTARIO REGION THIS MORNING...

* AT 738 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LAKE EFFECT SNOW BAND CAPABLE OF PRODUCING SNOWFALL RATES OF 1 TO 2
  INCHES PER HOUR...AND VISIBILITY OF A QUARTER OF A MILE OR LESS.
THIS LAKE EFFECT SNOW BAND WAS LOCATED FROM MANNSVILLE TO LOWVILLE.

* SOME LOCATIONS AFFECTED BY THE LAKE EFFECT SNOW BAND INCLUDE...
  STONY POINT...
  HENDERSON HARBOR...
  ADAMS CENTER...
  WATERTOWN AND CARTHAGE...
  BARNES CORNERS AND LOWVILLE
  CAPE VINCENT AND ALEXANDRIA BAY...

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 37 AND 52.

DRIVING WITHIN THIS SNOW BAND WILL BE DIFFICULT AT TIMES WITH SNOW
COVERED AND SLIPPERY ROADWAYS. IF TRAVELING ACROSS THE AREA SLOW DOWN
AND BE PREPARED FOR RAPIDLY CHANGING ROAD AND WEATHER CONDITIONS.

LAT...LON 4352 7530 4359 7621 4380 7624 4392 7636
      4388 7645 4391 7645 4393 7637 4390 7620
      4387 7621 4392 7614 4398 7622 4396 7630
      4411 7638 4420 7629 4424 7612 4426 7617
      4430 7614 4440 7584 4410 7516 4362 7510

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 12:31 AM ESTSpecial Weather StatementBUFLewis59 min
Nov 19, 1:36 AM ESTSpecial Weather StatementBUFErie54 min
Nov 19, 4:32 AM ESTSpecial Weather StatementBUFErie58 min
Nov 19, 4:51 AM ESTSpecial Weather StatementBUFLewis54 min
Nov 19, 6:51 AM ESTSpecial Weather StatementBUFErie54 min
Nov 19, 7:39 AM ESTSpecial Weather StatementBUFNiagara51 min
Nov 19, 7:47 AM ESTSpecial Weather StatementBUFJefferson, Lewis58 min
Nov 19, 3:31 PM ESTLake Effect Snow AdvisoryBUFAllegany, Cayuga, Livingston, Monroe, Ontario, Wayne48 hr
Nov 19, 3:39 PM ESTGale WarningBUF27 hr

Nearby

Lake Effect Snow Advisories in New York, 2014Every lake effect snow advisory 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.