Alert archive / New York / Lake Effect Snow Warnings in 2015

Lake Effect Snow Warning 16, NWS Buffalo, NY

November 21, 20155 counties in New York

NWS Buffalo, NY issued this lake effect snow warning at Nov 21, 2015, 12:51 PM EST for 5 counties in New York. It took effect at Nov 22, 2015, 4:00 AM EST. It was in force for 11 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 21, 2015, 12:51 PM EST (17:51 UTC)
In effect from
Nov 22, 2015, 4:00 AM EST
Expired
Nov 22, 2015, 3:06 PM EST
In force
11 hr
Issued by
NWS Buffalo, NY

Counties Cattaraugus County, NY, Chautauqua County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Buffalo radar (KBUF), 130 km from the middle of the area, began a volume at 17:54 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.

What was reported inside it

TimeReportWhereRemark
Nov 22, 7:00 AM ESTSNOW 3.8Little Valley, NY24 HOUR SNOWFALL.
Nov 22, 2:00 PM ESTSNOW 4.55 Ne Gerry, NY
Nov 22, 2:00 PM ESTSNOW 4.5Ellery Center, NY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.9 hours before the alert went out and 128 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 2015-11-21Temperature 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 2015-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897117Sfc1 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
804 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
210 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.

500 
WWUS41 KBUF 211751
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1251 PM EST SAT NOV 21 2015

NYZ019-020-220200-
/O.UPG.KBUF.LE.A.0013.151122T0600Z-151123T1200Z/
/O.NEW.KBUF.LE.W.0016.151122T0900Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
1251 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 4 AM SUNDAY TO 7 AM
EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 4 AM SUNDAY TO 7 AM EST
MONDAY. THIS UPGRADES THE LAKE EFFECT SNOW WATCH WHICH WAS
PREVIOUSLY IN EFFECT.

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...2 TO 4 INCHES
  SUNDAY...3 TO 6 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS OF
  6 TO 10 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE FIRST
  SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME TO
  ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-220200-
/O.UPG.KBUF.LE.A.0013.151122T0600Z-151123T1200Z/
/O.NEW.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1251 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 7 AM SUNDAY TO 10 AM
EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 7 AM SUNDAY TO 10 AM EST
MONDAY. THIS UPGRADES THE LAKE EFFECT SNOW WATCH WHICH WAS
PREVIOUSLY IN EFFECT.

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY SUNDAY MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES SUNDAY...4 TO 8 INCHES SUNDAY
  NIGHT...AND UP TO 2 INCHES MONDAY...LEADING TO STORM TOTALS OF 6
  TO 12 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE FIRST
  SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME TO
  ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-220200-
/O.UPG.KBUF.LE.A.0013.151122T0600Z-151123T1200Z/
/O.NEW.KBUF.LE.Y.0029.151122T0900Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
1251 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 4 AM SUNDAY TO 7 AM
EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM 4 AM SUNDAY TO 7 AM EST
MONDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST AMOUNTS
  ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND WESTERN
  WYOMING COUNTY.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...1 TO 3 INCHES
  SUNDAY...3 TO 5 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS OF
  4 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE FIRST
  SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME TO
  ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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
7 follow-up statements
310 
WWUS41 KBUF 212007
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
307 PM EST SAT NOV 21 2015

NYZ019-020-220415-
/O.CON.KBUF.LE.W.0016.151122T0900Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
307 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO
7 AM EST MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...2 TO 4 INCHES 
  SUNDAY...3 TO 6 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS 
  OF 6 TO 10 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-220415-
/O.CON.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
307 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 AM SUNDAY TO
10 AM EST MONDAY...

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS 
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY SUNDAY MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES SUNDAY...4 TO 8 INCHES SUNDAY 
  NIGHT...AND UP TO 2 INCHES MONDAY...LEADING TO STORM TOTALS OF 
  6 TO 12 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-220415-
/O.CON.KBUF.LE.Y.0029.151122T0900Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
307 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY
TO 7 AM EST MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...1 TO 3 INCHES 
  SUNDAY...3 TO 5 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS 
  OF 4 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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/CHURCH
086 
WWUS41 KBUF 220016
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
716 PM EST SAT NOV 21 2015

NYZ019-020-220830-
/O.CON.KBUF.LE.W.0016.151122T0900Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
716 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO
7 AM EST MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...2 TO 4 INCHES
  SUNDAY...3 TO 6 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS
  OF 6 TO 10 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-220830-
/O.CON.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
716 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 AM SUNDAY TO
10 AM EST MONDAY...

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS 
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY SUNDAY MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES SUNDAY...4 TO 8 INCHES SUNDAY 
  NIGHT...AND UP TO 2 INCHES MONDAY...LEADING TO STORM TOTALS OF 
  6 TO 12 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-220830-
/O.CON.KBUF.LE.Y.0029.151122T0900Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
716 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY
TO 7 AM EST MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...1 TO 3 INCHES
  SUNDAY...3 TO 5 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS OF
  4 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$
826 
WWUS41 KBUF 220253
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
953 PM EST SAT NOV 21 2015

NYZ019-020-221100-
/O.CON.KBUF.LE.W.0016.151122T0900Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
953 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO
7 AM EST MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...2 TO 4 INCHES 
  SUNDAY...3 TO 6 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS 
  OF 6 TO 10 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-221100-
/O.CON.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
953 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 AM SUNDAY TO
10 AM EST MONDAY...

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS 
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY SUNDAY MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES SUNDAY...4 TO 8 INCHES SUNDAY 
  NIGHT...AND UP TO 2 INCHES MONDAY...LEADING TO STORM TOTALS OF 
  6 TO 12 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-221100-
/O.CON.KBUF.LE.Y.0029.151122T0900Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
953 PM EST SAT NOV 21 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY
TO 7 AM EST MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...FROM LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS OVERNIGHT...1 TO 3 INCHES 
  SUNDAY...3 TO 5 INCHES SUNDAY NIGHT...LEADING TO STORM TOTALS 
  OF 4 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS BEING THE 
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE 
  TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$
177 
WWUS41 KBUF 220838
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
338 AM EST SUN NOV 22 2015

NYZ019-020-221645-
/O.CON.KBUF.LE.W.0016.151122T0900Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
338 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM EARLY THIS MORNING THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS THROUGH 6 AM...3 TO 5 INCHES
  TODAY...3 TO 5 INCHES TONIGHT...LEADING TO STORM TOTALS OF 6 TO
  10 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING THE
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME
  TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-221645-
/O.CON.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
338 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 10 AM EST MONDAY...

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS 
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY THIS MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES TODAY...5 TO 9 INCHES TONIGHT...
  AND AN INCH OR LESS MONDAY...LEADING TO STORM TOTALS OF 6 TO 11
  INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING THE
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME
  TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-221645-
/O.CON.KBUF.LE.Y.0029.151122T0900Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
338 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...FROM EARLY THIS MORNING THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...AN INCH OR LESS THROUGH 6 AM...1 TO 3 INCHES
  TODAY...3 TO 5 INCHES TONIGHT...AND AN INCH OR LESS MONDAY...
  LEADING TO STORM TOTALS OF 4 TO 8 INCHES IN THE MOST PERSISTENT
  LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING THE
  FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...TAKE TIME
  TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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
760 
WWUS41 KBUF 221146
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
646 AM EST SUN NOV 22 2015

NYZ019-020-222000-
/O.CON.KBUF.LE.W.0016.000000T0000Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
646 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST 
  SNOW AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...FROM EARLY THIS MORNING THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...3 TO 5 INCHES TODAY...3 TO 5 INCHES
  TONIGHT...LEADING TO STORM TOTALS OF 6 TO 10 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING 
  THE FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...
  TAKE TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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>008-222000-
/O.CON.KBUF.LE.W.0016.151122T1200Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
646 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...

* LOCATIONS...EASTERN LAKE ONTARIO REGION. HEAVIER SNOW AMOUNTS 
  WILL BE CONFINED TO THE TUG HILL PLATEAU.

* TIMING...FROM EARLY THIS MORNING THROUGH LATE MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES TODAY...5 TO 9 INCHES TONIGHT...
  AND AN INCH OR LESS MONDAY...LEADING TO STORM TOTALS OF 6 TO 
  11 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF HEAVY SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING 
  THE FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...
  TAKE TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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

&&

$$

NYZ012-085-222000-
/O.CON.KBUF.LE.Y.0029.000000T0000Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
646 AM EST SUN NOV 22 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...FROM EARLY THIS MORNING THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...1 TO 3 INCHES TODAY...3 TO 5 INCHES
  TONIGHT...AND AN INCH OR LESS MONDAY... LEADING TO STORM TOTALS
  OF 4 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* WINDS...WEST 15 TO 25 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING 
  THE FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...
  TAKE TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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
768 
WWUS41 KBUF 221732
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1232 PM EST SUN NOV 22 2015

NYZ006>008-221845-
/O.CAN.KBUF.LE.W.0016.000000T0000Z-151123T1500Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1232 PM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING IS CANCELLED...

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

THE LATEST MODEL GUIDANCE HAS CHANGED SIGNIFICANTLY ON THE
FORECAST LOCATION AND INTENSITY OF LAKE EFFECT SNOW. HEAVY SNOW IS
NO LONGER EXPECTED EAST OF LAKE ONTARIO.

$$

NYZ019-020-230145-
/O.CON.KBUF.LE.W.0016.000000T0000Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
1232 PM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...CHAUTAUQUA AND CATTARAUGUS COUNTIES. GREATEST SNOW 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE CHAUTAUQUA RIDGE.

* TIMING...THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...ADDITIONAL 2 TO 3 INCHES THIS AFTERNOON AND 2 TO
  3 INCHES TONIGHT IN PERSISTENT BANDS. THIS WILL BRING STORM
  TOTALS INTO THE 6 TO 10 INCH RANGE IN THE MOST PERSISTENT SNOWS.

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

* WINDS...WEST 10 TO 20 MPH.

* IMPACTS...LOCALIZED BANDS OF MODERATE TO HEAVY SNOW WILL PRODUCE
  SLICK AND DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT
  BEING THE FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR
  MANY...TAKE TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER
  TRAVEL.

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

&&

$$

NYZ012-085-230145-
/O.CON.KBUF.LE.Y.0029.000000T0000Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
1232 PM EST SUN NOV 22 2015

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
MONDAY...

* LOCATIONS...SOUTHERN ERIE AND WYOMING COUNTIES. GREATEST 
  AMOUNTS ACROSS THE HIGHER TERRAIN OF THE BOSTON HILLS AND 
  WESTERN WYOMING COUNTY.

* TIMING...THROUGH EARLY MONDAY MORNING.

* ACCUMULATIONS...1 TO 2 INCHES THIS AFTERNOON...AND UP TO AN INCH
  TONIGHT IN PERSISTENT BANDS. THIS WILL BRING TOTALS INTO THE 3
  TO 6 INCH RANGE IN THE MOST PERSISTENT SNOWS.

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

* WINDS...WEST 10 TO 20 MPH.

* IMPACTS...LOCALIZED BANDS OF SNOW WILL PRODUCE SLICK AND 
  DIFFICULT TRAVEL CONDITIONS AT TIMES. WITH THIS EVENT BEING 
  THE FIRST SIGNIFICANT SNOW THREAT OF THE SEASON FOR MANY...
  TAKE TIME TO ENSURE YOUR VEHICLE IS PREPARED FOR WINTER TRAVEL.

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
178 
WWUS41 KBUF 222006
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
306 PM EST SUN NOV 22 2015

NYZ019-020-222115-
/O.CAN.KBUF.LE.W.0016.000000T0000Z-151123T1200Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
306 PM EST SUN NOV 22 2015

...LAKE EFFECT SNOW WARNING IS CANCELLED...

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

LAKE EFFECT SNOW HAS DIMINISHED IN INTENSITY THIS AFTERNOON.
ADDITIONAL ACCUMULATIONS WILL BE LIMITED TO AN INCH OR TWO IN
PERSISTENT BANDS TONIGHT.

$$

NYZ012-085-222115-
/O.CAN.KBUF.LE.Y.0029.000000T0000Z-151123T1200Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
306 PM EST SUN NOV 22 2015

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

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

LAKE EFFECT SNOW HAS DIMINISHED IN INTENSITY THIS AFTERNOON.
ADDITIONAL ACCUMULATIONS WILL BE LIMITED TO AN INCH OR SO IN
PERSISTENT BANDS TONIGHT.

$$

HITCHCOCK

What forecasters said that day

The local office's own words before this lake effect snow warning 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 warning went out at Nov 21, 9:59 AM EST, 2 hours 52 minutes earlier.

Area forecast discussion, Nov 21, 9:59 AM EST, 2 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
959 AM EST SAT NOV 21 2015

.SYNOPSIS...
TODAY WILL BE A MOSTLY DRY DAY WITH SEASONABLY COOL TEMPERATURES. A
STORM SYSTEM WILL MOVE TO OUR WEST...BRINGING STRONG WINDS AND A
BRIEF PERIOD OF RAIN TONIGHT...FOLLOWED BY COLD TEMPERATURES AND
LOCALIZED LAKE EFFECT SNOW EAST OF THE LAKES SUNDAY INTO MONDAY.
TEMPERATURES WILL THEN MODERATE THROUGH NEXT WEEK WITH MILD AND
BENIGN WEATHER FOR THE THANKSGIVING HOLIDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
UPGRADED TO A HIGH WIND WARNING NORTHEAST OF LAKES ERIE AND ONTARIO
AND EXPANDED THE AREA BASED ON A STRONGER TREND SEEN IN THE LATEST
06Z MODEL GUIDANCE. ALSO UPGRADED THE LAKESHORE FLOOD ADVISORY TO A
WARNING ALONG THE LAKE ERIE SHORE.

HIGH PRESSURE ACROSS THE REGION WILL GRADUALLY SLIDE INTO NEW
ENGLAND TODAY. THIS WILL PROVIDE MAINLY DRY CONDITIONS TODAY. THE
EXCEPTION WILL BE ACROSS THE NIAGARA FRONTIER WHERE AN AREA OF MID-
LEVEL WARM AIR ADVECTION WILL MOVE ACROSS THE LAND BREEZE
CONVERGENCE BOUNDARY ON LAKE ERIE. RADAR SHOWS SOME LIGHT RETURNS
ACROSS THIS AREA...WHICH MAY RESULT IN SOME LIGHT RAIN OR SNOW
SHOWERS THIS MORNING. ELSEWHERE TODAY WILL BE MOSTLY CLOUDY DUE
TO THE WARM AIR ADVECTION CLOUDS...WITH PERHAPS A FEW BREAKS OF
SUNSHINE THIS AFTERNOON WHEN THIS AXIS SHIFTS TO THE NORTH.
TEMPERATURES WILL BE SEASONABLE WITH HIGHS IN THE MID TO UPPER
40S.

THINGS GET MUCH MORE ACTIVE TONIGHT WHEN A STRENGTHENING LOW
PRESSURE SYSTEM IS FORECAST TO TRACK TO OUR WEST...ACROSS LAKE ERIE
THIS EVENING AND THEN INTO SOUTHERN ONTARIO LATER TONIGHT. ALTHOUGH
MODEL GUIDANCE IS IN GOOD AGREEMENT ON THIS...THERE IS UNUSUALLY POOR
MODEL AGREEMENT WITH RESPECT TO THE STRENGTH OF THIS LOW. THE GFS
SIGNIFICANTLY STRONGER WITH THIS SYSTEM (991MB VS. 999MB) THROUGH
DAYBREAK SUNDAY. AS A RESULT THE GFS HAS MUCH STRONGER WIND FIELDS
THAN THE NAM. THROUGH PAST EVENTS OVER THE PAST MONTH...THE GFS
SEEMS TO BE VERIFYING BETTER THAN THE NAM WITH THESE STRONG WIND
EVENTS. FURTHERMORE...THE PATTERN RECOGNITION FITS WELL WITH HIGH
WINDS CLIMATOLOGY AS A RAPIDLY DEEPENING LOW MOVES JUST TO THE NORTH
AND WEST OF LAKES ERIE AND ONTARIO.

AS THE LOW RAPIDLY DEEPENS ACROSS SOUTHERN ONTARIO...A STRONG
PRESSURE FALL/RISE COUPLET OF -10/+10MB IN 3 HOURS WILL PASS ACROSS
THE LOWER LAKES...PRODUCING A STRONG ISALLOBARIC COMPONENT TO THE
WIND. MODEL GUIDANCE CONTINUES TO SUGGEST A TROPOPAUSE FOLD WITH THE
1.5 PVU SURFACE DESCENDING TO AROUND 650MB IN THE DRY SLOT OF THE
MATURING CYCLONE. THE PV INTRUSION INTO THE TROPOSPHERE WILL RESULT
IN DEEP LAYER INSTABILITY AND STRONG MIXING IN THE DRY SLOT
IMMEDIATELY BEHIND THE COLD FRONT. FOLLOWING THE STRONGER GFS WIND
FIELDS WITH 55-60 KNOTS AT 925MB...EXPECT GUSTS OF 50-55 KNOTS TO BE
REALIZED FROM THE LAKE ERIE SHORE NORTHEAST ACROSS THE NIAGARA
FRONTIER TO ROCHESTER...AND ALSO ACROSS JEFFERSON COUNTY. THERE MAY
ALSO BE SOME 40+ KNOT GUSTS ALONG THE SOUTHEAST SHORE OF LAKE
ONTARIO BETWEEN ROCHESTER AND MEXICO BAY. WITH THIS IN MIND...HAVE
INCLUDED A WIND ADVISORY FOR WAYNE/N.CAYUGA/OSWEGO COUNTIES.

OUTSIDE OF THE WINDS SHOWERS WILL MOVE ACROSS THE REGION WITH THIS
FRONT AND PASSAGE OF THE SURFACE LOW. QPF IS FAIRLY LIGHT WITH
THIS...WITH THE SOUTHERLY FLOW AHEAD OF THE FRONT LIKELY TO RESULT
IN DOWNSLOPING WHICH WILL HELP EVAPORATE WOULD-BE PRECIPITATION.
BECAUSE OF THIS WILL HEDGE POPS AND KEEP THEM MAINLY IN THE CHANCE
TO LIKELY CATEGORIES WITH THE EXCEPTION OF LOCATIONS WHICH UPSLOPE
IN A SOUTHERLY FLOW LIKE THE TUG HILL SOUTH-FACE.

TEMPERATURES WILL DROP RAPIDLY BEHIND THE FRONT...AND WITH LINGERING
MOISTURE IT WILL NOT TAKE MUCH FOR SOME LAKE EFFECT RAIN OR SNOW
SHOWERS TO DEVELOP. THESE WILL MOSTLY BE EAST OF THE LAKES WITH A
WSW POST-FRONTAL FLOW. THROUGH DAYBREAK SUNDAY...SOME LIGHT
ACCUMULATION OF AN INCH OR TWO IS POSSIBLE EAST OF LAKE ONTARIO
ACROSS HIGHER TERRAIN WHERE UPSLOPING AND COLDER TEMPERATURES WILL
HELP GET THINGS GOING. ELSEWHERE...LINGERING RAIN SHOWERS SHOULD
GRADUALLY TRANSITION TO SNOW SHOWERS AS TEMPERATURES FALL INTO THE
30S LATE TONIGHT.

&&

.SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
THIS TIME PERIOD WILL FEATURE A LIGHT WINTRY MIX TRANSITIONING OVER
TO LAKE EFFECT SNOW ACROSS THE SNOW BELTS AS A TROUGH OF LOW
PRESSURE PASSES ACROSS THE EASTERN GREAT LAKES SUNDAY AND MONDAY.

SUNDAY MORNING THE COLD FRONT WILL BE WELL TO OUR EAST WITH A COLD
WESTERLY FLOW POURING OVER THE EASTERN GREAT LAKES. WINDS WILL STILL
REMAIN STRONG EAST OF LAKE ONTARIO EARLY IN THE DAY SUNDAY AS THE
CORE OF THE LLJ WILL STILL BE IN THE PROCESS OF EXITING THE CWA.
WILL HAVE A WIND ADVISORY FOR EAST OF LAKE ONTARIO THROUGH THE
MORNING HOURS TO ACCOUNT FOR THESE STRONG WIND GUSTS. ALSO THESE
STRONG WINDS...ESPECIALLY EAST OF LAKE ONTARIO WILL MAKE IT HARD FOR
ORGANIZED LAKE BANDS TO FORM. SCATTERED SHOWERS EARLY SUNDAY...WITH
EMBEDDED LAKE EFFECT EAST OF THE LAKES WILL LIKELY STILL BE A MIX OF
SNOW AND RAIN. WARMER AIR STILL ACROSS OUR EASTERN ZONES WILL LIKELY
FAVOR MORE RAIN THAN SNOW AT THE START OF SUNDAY...WHILE FARTHER TO
THE WEST WHERE IT WILL BE SLIGHTLY COLDER...MORE SNOW THAN RAIN WILL
LIKELY BE FALLING. AS THE COLD AIR FRESHENS OVER THE REGION SUNDAY
EXPECT A COMPLETE CHANGE OVER TO SNOW...SAVE FOR RIGHT ALONG THE
LAKESHORES WHERE THE YET WARM LAKES MAY INFLUENCE THE BOUNDARY LAYER
ENOUGH TO MAINTAIN SOME RAIN EVEN LATE INTO THE DAY ON SUNDAY.

BY SUNDAY AFTERNOON AND EVENING THE SYNOPTIC WINDS WILL ALIGN ON A
260 TO 270 FLOW...AND WITH LESS SPEED SHEAR AND INCREASE RESIDENCE
TIME OVER THE LAKE WATERS BANDS OF LAKE EFFECT SNOW WILL BECOME
BETTER DEVELOPED. LAKE PARAMETER BECOME FAVORABLE FOR SNOW WITH
TEMPERATURES AT 850 HPA FALLING TO -10 TO -12C WHICH WILL RAISE THE
LAKE EQUILIBRIUM LEVELS UPWARDS TO 10-15K FEET. IN ADDITION TO THE
INSTABILITY...FAVORABLE FOR THIS LAKE EFFECT SNOW EVENT WILL BE THE
DEEP MOISTURE WITHIN THE SNOW DENDRITIC GROWTH ZONE. WINDS WILL
REMAIN SHIFTING AS THE UPPER LEVEL TROUGH PASSES...WITH THE MOST
CONSTANT WIND DIRECTION LIKELY SUNDAY NIGHT AS THE BASE OF THE
TROUGH PASSES.

OFF LAKE ONTARIO...THE WESTERLY FLOW OVER THE LONG STRETCH OF THE
LAKE SHOULD YIELD AN ORGANIZING BAND OF LAKE EFFECT PRECIPITATION
THROUGH THE DAY SUNDAY...REACHING ITS GREATEST INTENSITY SUNDAY
EVENING AND OVERNIGHT. NORTHWESTERLY FLOW ON THE NORTHERN SHORELINE
OF THE LAKE...COMBINED WITH SOUTHWESTERLY FLOW ON THE SOUTHERN
SHORELINE OF LAKE ONTARIO SHOULD BRING AN AREA OF ENHANCED
CONVERGENT UPLIFT...WITH A BAND OF SNOW YIELDING SNOWFALL RATES OF 2
INCHES OR MORE PER HOUR ON THE TUG HILL SUNDAY EVENING AND
OVERNIGHT. AS THE UPPER LEVEL TROUGH PASSES SUNDAY NIGHT THE BAND OF
SNOW WILL SETTLE SOME SOUTHWARD TOWARD OSWEGO AND FAR SOUTHERN LEWIS
COUNTY.

SUNDAY NIGHT UPSTREAM LAKE CONNECTIONS WILL COME INTO PLAY WITH
WESTERLY FLOW SUPPORTING A LAKE HURON CONNECTION.

MONDAY MORNING BEHIND THE UPPER LEVEL TROUGH WINDS WILL BEGIN TO
BACK SOME...ALLOWING THE BAND OF SNOW TO EDGE NORTHWARD...THOUGH
WITH WARMING ALOFT AND INCREASE WIND SHEAR EXPECT THE BAND OF SNOW
TO WEAKEN THROUGH THE DAY ON MONDAY. WILL CONTINUE THE WATCH EAST OF
LAKE ONTARIO AS THERE STILL REMAINS SOME UNCERTAINTY WITH THE
SHIFTING WINDS AND HOW MUCH UPSTREAM LAKE CONNECTION WILL IMPACT THE
SNOWFALL. THE FOCUS OF THE GREATEST SNOWFALL WILL BE UPON THE
CENTRAL AND SOUTHERN REGIONS OF THE TUG HILL WHERE A FOOT OF SNOW
PLUS COULD FALL...ESPECIALLY IF THE WINDS/BAND OF SNOW REMAINS
LOCKED IN ON ONE LOCATION FOR SEVERAL HOURS SUNDAY NIGHT.

OFF LAKE ERIE...LAKE EFFECT PRECIPITATION WILL LIKELY BE ONGOING AT
THE START OF SUNDAY MORNING. THE BULK OF THE PRECIPITATION WILL BE
FALLING IN THE FORM OF SNOW WITH 850 HPA TEMPERATURES SUNDAY MORNING
ALREADY DOWN TO -10C WITHIN THE COLD AIR ADVECTION. THE WESTERLY
FLOW OVER LAKE ERIE TYPICALLY SUPPORTS MORE BROAD LAKE EFFECT BANDS
OF PRECIPITATION. THERE MAY BE A UPSTREAM CONNECTION TO LAKE HURON
MIDDAY SUNDAY...WITH SUCH CONNECTION ENHANCING THE SNOWFALL RATES
EAST OF LAKE ERIE. WITHOUT SUCH CONNECTION SNOWFALL RATES WILL
GENERALLY BE AN INCH OR LESS PER HOUR EAST OF LAKE ERIE...WITH THE
HIGHER TERRAIN OF SW NYS SLOWLY EDGING THEIR WAY UPWARDS TO 6 TO 12
INCHES OF SNOW. WILL MAINTAIN THE LAKE EFFECT SNOW WATCH HERE AS
WELL AS THE BRIEF PERIOD OF FAVORABLE LAKE EFFECT SNOW CONDITIONS
COMBINED WITH THE SHIFTING WINDS MAY NOT ALLOW FOR SNOW
TO ADD UP TO WARNING CRITERIA SNOWFALL.

AN APPROACHING SHORTWAVE LATER SUNDAY NIGHT WILL BEGIN TO INCREASE
THE WIND SHEAR THROUGH THE BOUNDARY LAYER...WITH BOUNDARY LAYER
WINDS BACKING TO MORE OF A SOUTHWESTERLY DIRECTION. EXPECT THE LAKE
EFFECT SNOW TO SLOWLY EDGE NORTHWARD LATE SUNDAY NIGHT AND INTO
MONDAY...BACK TOWARDS THE BUFFALO METRO AREA. NOT EXPECTING MUCH
ACCUMULATION WITHIN THE METRO AREA AS THE BAND WILL BE WEAKENING.
HOWEVER THERE WILL BE INCREASING CHANCES FOR SOME SYNOPTIC SNOW/LAKE
EFFECT SNOW LATER MONDAY AND MONDAY EVENING WITH SOUTHWESTERLY FLOW
AHEAD OF THE NEARING SHORTWAVE TROUGH. THE COLD AIR WILL REMAIN
ALOFT MAINTAINING SNOW DENDRITIC GROWTH ZONE BETWEEN 7 AND 10K FEET
MONDAY NIGHT. WITH MOISTURE POOLING AHEAD OF THE SHORTWAVE
TROUGH...AND WITHIN THE DENDRITIC GROWTH AREA SNOWFALL WILL
BECOME LIKELY MONDAY NIGHT. THIS SWATH OF SNOW LIKELY ACROSS THE
NORTHERN NIAGARA FRONTIER COULD BRING MINOR ACCUMULATION OF SNOW
TO THE NORTHERN NIAGARA FRONTIER BEFORE THE TROUGH SPREADS THE
SNOW SOUTH AND EASTWARD OVERNIGHT MONDAY NIGHT.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
BEHIND THE DEPARTING TROUGH MONDAY NIGHT... A TROUGH WILL DIG ALONG
THE WEST COAST INTO MID-WEEK BEFORE BECOMING CUT-OFF OVER THE
INTER-MOUNTAIN WEST. THIS WILL ALLOW FOR RISING HEIGHTS AND
SOUTHWESTERLY FLOW ACROSS THE FORECAST AREA TUESDAY LEADING INTO THE
THANKSGIVING HOLIDAY. THERE MAY BE LINGERING LIGHT LAKE EFFECT
ACTIVITY OF RAIN AND SNOW EARLY TUESDAY...OTHERWISE A PERIOD OF DRY
WEATHER IS EXPECTED LEADING INTO THANKSGIVING WITH VERY MILD
TEMPERATURES AND CONTINUED DRY WEATHER THURSDAY AND FRIDAY. THE NEXT
CHANCE OF RAIN WILL WILL COME AS LOW ACROSS THE WEST DEPARTS AND
EVENTUALLY DRAGS A COLD FRONT ACROSS THE REGION BY THE WEEKEND.

&&

.AVIATION /15Z SATURDAY THROUGH WEDNESDAY/...
HIGH PRESSURE WILL GENERALLY BRING VFR CONDITIONS FOR THE VAST
MAJORITY OF TODAY. SOME LIGHT RAIN OR SNOW SHOWERS ARE POSSIBLE
AT BUF/IAG THIS MORNING WITH BRIEF VBSY/CIG RESTRICTIONS POSSIBLE.
OTHERWISE...THERE IT WILL BE MOSTLY CLOUDY TODAY FROM MID- LEVEL
CLOUDS.

A STRONG FRONT WILL CROSS THE REGION TONIGHT AND BRING A PERIOD OF
GUSTY WINDS AND SHOWERS. THE STRONGEST WINDS WILL LAST A FEW HOURS
FOLLOWING THE FRONTAL PASSAGE WITH GUSTS OF 30-40 KTS. BRIEF AND
FAIRLY LIGHT RAIN SHOWERS ALONG THE FRONT WILL BE FOLLOWED BY LAKE
EFFECT SNOW SHOWERS WHICH SHOULD DEVELOP EAST OF THE LAKES LATE
TONIGHT. THESE WILL MAINLY IMPACT THE JHW WHERE IFR CONDITIONS IN
SNOW ARE LIKELY LATE TONIGHT.

OUTLOOK...
SUNDAY...DIMINISHING WINDS WITH AREAS OF IFR/LIFR IN LAKE
EFFECT SNOW EAST OF THE LAKES...AND MAINLY VFR CONDITIONS
ELSEWHERE.
MONDAY...VFR...EXCEPT MVFR/IFR POSSIBLE EAST OF THE LAKES IN
LINGERING LAKE EFFECT SNOW SHOWERS.
TUESDAY AND WEDNESDAY...VFR.

&&

.MARINE...
HIGH PRESSURE WILL BRIEFLY RIDGE INTO THE LOWER LAKES TODAY WHICH
WILL ALLOW THE LAST OF THE SMALL CRAFT HEADLINES TO BE DROPPED.
AFTER THIS A DEEPENING LOW PRESSURE SYSTEM WILL LIFT ACROSS LAKE
ERIE THIS EVENING AND THEN INTO SOUTHERN ONTARIO LATER TONIGHT. THIS
WILL PUSH A STRONG OCCLUDED/COLD FRONT ACROSS THE WATERS TONIGHT
WHICH WILL RESULT IN A PERIOD OF GALES ON THE LAKES AND PORTIONS OF
THE NIAGARA AND ST LAWRENCE RIVERS. MODEL GUIDANCE SUGGESTS GALES ON
LAKES ERIE AND ONTARIO WILL BECOME HIGH END FOR A FEW HOURS
FOLLOWING THE COLD FRONTAL PASSAGE...WITH GALES TO 45 KNOTS.

WINDS WILL GRADUALLY DIMINISH LATE SUNDAY WITH THE DEPARTURE OF THE
LOW. THEN A HIGH PRESSURE RIDGE SHOULD BRING A PERIOD OF RELATIVELY
QUIET CONDITIONS ON THE LAKES EARLY NEXT WEEK.

&&

.TIDES/COASTAL FLOODING...
A STRONG COLD FRONT WILL CROSS LAKE ERIE AROUND MIDNIGHT WITH
WINDS RAPIDLY SHIFTING FROM SOUTHEAST TO SOUTHWEST AND
DRAMATICALLY INCREASING IN VELOCITY RIGHT BEHIND THE FRONT. THE
LOW TRACK ACROSS CENTRAL LAKE ERIE AND RAPID INCREASE IN WINDS
BEHIND THE FRONT ARE A CLASSIC SEICHE PATTERN FOR THE NORTHEAST
END OF LAKE ERIE...AS WATER IS INITIALLY PUSHED BACK TO THE
SOUTHWEST END OF THE LAKE AHEAD OF THE SYSTEM...THEN SLOSHES AND
ACCELERATES TO THE NORTHEAST END BEHIND THE FRONT.

EXPECT A RAPID WATER LEVEL RISE AT THE NORTHEAST END OF LAKE ERIE
BETWEEN MIDNIGHT AND DAWN SUNDAY WITH WATER PEAKING BETWEEN 8 AND
9 FEET ABOVE LOW WATER DATUM AT BUFFALO. WATER LEVELS OF THIS
HEIGHT WILL RESULT IN FLOODING IN HARBORS AND BAYS. EXPECT
SIGNIFICANT OVERWASH ON ROUTE 5 IN ATHOL SPRINGS...POSSIBLY ENOUGH
TO RESULT IN A ROAD CLOSURE. WATER WILL ALSO INUNDATE THE
CANALSIDE AREA IN DOWNTOWN BUFFALO.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...HIGH WIND WARNING FROM 7 PM THIS EVENING TO 7 AM EST SUNDAY
     FOR NYZ019-085.
     LAKESHORE FLOOD WARNING FROM 10 PM THIS EVENING TO 7 AM EST
     SUNDAY FOR NYZ010-019-085.
     LAKE EFFECT SNOW WATCH FROM LATE TONIGHT THROUGH MONDAY
     MORNING FOR NYZ006>008-012-019-020-085.
     HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO 10 AM EST SUNDAY
     FOR NYZ007.
     WIND ADVISORY FROM 1 AM TO 10 AM EST SUNDAY FOR NYZ004>006.
     HIGH WIND WARNING FROM 10 PM THIS EVENING TO 7 AM EST SUNDAY
     FOR NYZ001>003-010>012.
MARINE...GALE WARNING FROM 10 PM THIS EVENING TO 7 AM EST SUNDAY FOR
         LEZ020.
         GALE WARNING FROM 10 PM THIS EVENING TO 1 PM EST SUNDAY
         FOR LEZ040-041.
         GALE WARNING FROM 10 PM THIS EVENING TO 7 AM EST
         SUNDAY FOR LOZ030.
         GALE WARNING FROM 1 AM TO 4 PM EST SUNDAY FOR LOZ042>045-
         062>065.
         GALE WARNING FROM 1 AM TO 1 PM EST SUNDAY FOR SLZ022.
         SMALL CRAFT ADVISORY FROM 1 AM TO 4 PM EST SUNDAY FOR
         SLZ024.

&&

SYNOPSIS...APFFEL/HITCHCOCK
NEAR TERM...APFFEL/HITCHCOCK
SHORT TERM...THOMAS
LONG TERM...CHURCH/THOMAS
AVIATION...APFFEL/HITCHCOCK
MARINE...APFFEL/HITCHCOCK
TIDES/COASTAL FLOODING...HITCHCOCK
Hazardous weather outlook, Nov 21, 10:04 AM EST, 2 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
1004 AM EST SAT NOV 21 2015

NYZ021-221515-
ALLEGANY-
1004 AM EST SAT NOV 21 2015

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...SUNDAY THROUGH FRIDAY.

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

NYZ019-085-221515-
CHAUTAUQUA-SOUTHERN ERIE-
1004 AM EST SAT NOV 21 2015

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
SUNDAY...
...LAKESHORE FLOOD WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
EST SUNDAY...
...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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.

   HIGH WIND WARNING.
   LAKESHORE FLOOD WARNING.
   LAKE EFFECT SNOW WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   HIGH WIND WARNING.
   LAKESHORE FLOOD WARNING.
   LAKE EFFECT SNOW WATCH.

.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

NYZ012-221515-
WYOMING-
1004 AM EST SAT NOV 21 2015

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...
...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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.

   HIGH WIND WARNING.
   LAKE EFFECT SNOW WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   HIGH WIND WARNING.
   LAKE EFFECT SNOW WATCH.

.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

NYZ020-221515-
CATTARAUGUS-
1004 AM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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 WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   LAKE EFFECT SNOW WATCH.

.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>003-011-221515-
NIAGARA-ORLEANS-MONROE-GENESEE-
1004 AM EST SAT NOV 21 2015

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...

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.

   HIGH WIND WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   HIGH WIND WARNING.

.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

NYZ004-005-221515-
WAYNE-NORTHERN CAYUGA-
1004 AM EST SAT NOV 21 2015

...WIND ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST SUNDAY...

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

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   WIND 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

NYZ010-221515-
NORTHERN ERIE-
1004 AM EST SAT NOV 21 2015

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...
...LAKESHORE FLOOD WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
EST SUNDAY...

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.

   HIGH WIND WARNING.
   LAKESHORE FLOOD WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   HIGH WIND WARNING.
   LAKESHORE FLOOD WARNING.

.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

NYZ013-014-221515-
LIVINGSTON-ONTARIO-
1004 AM EST SAT NOV 21 2015

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...SUNDAY THROUGH FRIDAY.

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>045-062>065-221515-
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-
1004 AM EST SAT NOV 21 2015

...GALE WARNING IN EFFECT FROM 1 AM TO 4 PM EST SUNDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ONTARIO.

.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.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WARNING.

.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-LOZ030-221515-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-LOWER NIAGARA RIVER-
1004 AM EST SAT NOV 21 2015

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...

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

.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.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WARNING.

.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

SLZ024-221515-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
1004 AM EST SAT NOV 21 2015

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

LEZ040-041-221515-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
1004 AM EST SAT NOV 21 2015

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 1 PM EST
SUNDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE.

.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.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WARNING.

.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

SLZ022-221515-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
1004 AM EST SAT NOV 21 2015

...GALE WARNING IN EFFECT FROM 1 AM TO 1 PM EST SUNDAY...

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

.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.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   GALE WARNING.

.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

NYZ007-221515-
JEFFERSON-
1004 AM EST SAT NOV 21 2015

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST
SUNDAY...
...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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.

   HIGH WIND WARNING.
   LAKE EFFECT SNOW WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   HIGH WIND WARNING.
   LAKE EFFECT SNOW WATCH.

.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

NYZ008-221515-
LEWIS-
1004 AM EST SAT NOV 21 2015

...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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 WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   LAKE EFFECT SNOW WATCH.

.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

NYZ006-221515-
OSWEGO-
1004 AM EST SAT NOV 21 2015

...WIND ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST SUNDAY...
...LAKE EFFECT SNOW WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

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 WATCH.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

   LAKE EFFECT SNOW WATCH.
   WIND 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

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 21, 3:41 AM ESTLakeshore Flood AdvisoryBUFChautauqua, Erie6 hr
Nov 21, 3:43 AM ESTGale WarningBUF30 hr
Nov 21, 3:43 AM ESTSmall Craft AdvisoryBUF44 hr
Nov 21, 3:45 AM ESTWind AdvisoryBUFChautauqua, Erie, Jefferson, Niagara6 hr
Nov 21, 9:25 AM ESTHigh Wind WarningBUFChautauqua, Erie, Genesee, Jefferson, Monroe, Niagara and 2 more14 hr
Nov 21, 9:25 AM ESTWind AdvisoryBUFAllegany, Cayuga, Chautauqua, Erie, Genesee, Jefferson and 9 more21 hr
Nov 21, 9:30 AM ESTLakeshore Flood WarningBUFChautauqua, Erie18 hr
Nov 21, 12:51 PM ESTLake Effect Snow AdvisoryBUFErie, Wyoming26 hr

Nearby

Lake Effect Snow Warnings in New York, 2015Every lake effect snow warning in 2015

Sources

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