Alert archive / New York / Lake Effect Snow Warnings in 2013

Lake Effect Snow Warning 12, NWS Buffalo, NY

December 17, 20137 counties in New York

NWS Buffalo, NY issued this lake effect snow warning at Dec 17, 2013, 3:28 AM EST for 7 counties in New York. It took effect at Dec 18, 2013, 1:00 AM EST. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 17, 2013, 3:28 AM EST (08:28 UTC)
In effect from
Dec 18, 2013, 1:00 AM EST
Expired
Dec 18, 2013, 8:46 PM EST
In force
20 hr
Issued by
NWS Buffalo, NY

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

The radar

The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 08:30 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 00:00Z, 8.5 hours before the alert went out and 95 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 00:00Z on 2013-12-17Temperature 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 00:00Z on 2013-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1076 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
103 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.

000 
WWUS41 KBUF 170828
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
328 AM EST TUE DEC 17 2013

NYZ007-171700-
/O.NEW.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
/O.CON.KBUF.WC.Y.0005.000000T0000Z-131217T1200Z/
JEFFERSON-
INCLUDING THE CITY OF...WATERTOWN
328 AM EST TUE DEC 17 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. 

* LOCATIONS...JEFFERSON COUNTY.

* TIMING...FRIGID WIND CHILLS THROUGH 7 AM THIS MORNING. LAKE
  EFFECT SNOW OVERNIGHT TONIGHT THROUGH WEDNESDAY NIGHT.

* ACCUMULATIONS...1 TO 3 INCHES TONIGHT...3 TO 6 INCHES
  WEDNESDAY...AND UP TO 2 INCHES WEDNESDAY NIGHT....LEADING TO
  STORM TOTALS OF 6 TO 10 INCHES IN THE MOST PERSISTENT LAKE
  SNOWS.

* WIND CHILL VALUES...BETWEEN 20 AND 29 BELOW ZERO THIS MORNING.

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

* IMPACTS...SUCH WIND CHILLS WILL BRING THE RISK OF FROSTBITE ON
  EXPOSED SKIN. THE LAKE SNOWS WILL PRODUCE SIGNIFICANT
  ACCUMULATIONS ON AREA ROADWAYS ALONG WITH GREATLY REDUCED
  VISIBILITIES...LEADING TO HAZARDOUS TRAVEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. IF YOU WILL BE
OUTDOORS USE COMMON SENSE AND DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED. IF POSSIBLE...AVOID PROLONGED EXPOSURE TO
THE COLD TO PREVENT FROSTBITE AND HYPOTHERMIA.

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

&&

$$

NYZ008-171700-
/O.NEW.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
/O.EXA.KBUF.WC.Y.0005.000000T0000Z-131217T1200Z/
LEWIS-
INCLUDING THE CITY OF...LOWVILLE
328 AM EST TUE DEC 17 2013

...WIND CHILL ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
CHILL ADVISORY IS IN EFFECT UNTIL 7 AM EST THIS MORNING. 

* LOCATIONS...LEWIS COUNTY.

* TIMING...FRIGID WIND CHILLS THROUGH 7 AM THIS MORNING. LAKE
  EFFECT SNOW OVERNIGHT TONIGHT THROUGH WEDNESDAY NIGHT.

* ACCUMULATIONS...1 TO 3 INCHES TONIGHT...3 TO 6 INCHES
  WEDNESDAY...AND UP TO 2 INCHES WEDNESDAY NIGHT...LEADING TO
  STORM TOTALS OF 6 TO 10 INCHES IN THE MOST PERSISTENT LAKE
  SNOWS.

* WIND CHILL VALUES...BETWEEN 20 AND 29 BELOW ZERO THIS MORNING.

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

* IMPACTS...SUCH WIND CHILLS WILL BRING THE RISK OF FROSTBITE ON
  EXPOSED SKIN. THE LAKE SNOWS WILL PRODUCE SIGNIFICANT
  ACCUMULATIONS ON AREA ROADWAYS ALONG WITH GREATLY REDUCED
  VISIBILITIES...LEADING TO HAZARDOUS TRAVEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 15 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. IF YOU WILL
BE OUTDOORS USE COMMON SENSE AND DRESS WARMLY...MAKING SURE THAT
ALL EXPOSED SKIN IS COVERED. IF POSSIBLE...AVOID PROLONGED
EXPOSURE TO THE COLD TO PREVENT FROSTBITE AND HYPOTHERMIA.

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

&&

$$

NYZ006-171700-
/O.NEW.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
328 AM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST
THURSDAY. 

* LOCATIONS...OSWEGO COUNTY...MAINLY THE TUG HILL REGION.

* TIMING...OVERNIGHT TONIGHT THROUGH WEDNESDAY NIGHT.

* ACCUMULATIONS...1 TO 3 INCHES TONIGHT...3 TO 6 INCHES
  WEDNESDAY...AND UP TO 2 INCHES WEDNESDAY 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.

* IMPACTS...THE LAKE SNOWS WILL PRODUCE SIGNIFICANT ACCUMULATIONS
  ON AREA ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING
  TO HAZARDOUS 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

&&

$$

NYZ012-019-020-085-171700-
/O.NEW.KBUF.LE.Y.0029.131218T0200Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
328 AM EST TUE DEC 17 2013

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
4 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
EST WEDNESDAY. 

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND
  CATTARAUGUS COUNTIES.

* TIMING...LATE THIS EVENING THROUGH LATE WEDNESDAY AFTERNOON.

* ACCUMULATIONS...3 TO 5 INCHES OVERNIGHT AND 2 TO 3 INCHES
  WEDNESDAY...LEADING TO STORM TOTALS OF 4 TO 8 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

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

* IMPACTS...THE LAKE SNOWS WILL LEAD TO SLIPPERY SNOW COVERED
  ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING TO
  HAZARDOUS 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

&&

$$

JJR
10 follow-up statements
000 
WWUS41 KBUF 171204
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
704 AM EST TUE DEC 17 2013

NYZ007-008-172015-
/O.EXP.KBUF.WC.Y.0005.000000T0000Z-131217T1200Z/
/O.CON.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
704 AM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY
TO 1 AM EST THURSDAY...
...WIND CHILL ADVISORY HAS EXPIRED...

* LOCATIONS...JEFFERSON AND LEWIS COUNTIES...MAINLY ACROSS THE TUG
  HILL REGION.

* TIMING...OVERNIGHT TONIGHT THROUGH OVERNIGHT WEDNESDAY NIGHT.

* ACCUMULATIONS...1 TO 3 INCHES OVERNIGHT...3 TO 6 INCHES
  WEDNESDAY...AND AN INCH OR TWO WEDNESDAY 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.

* IMPACTS...THE LAKE SNOWS WILL PRODUCE SIGNIFICANT ACCUMULATIONS
  ON AREA ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING
  TO HAZARDOUS 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

&&

$$

NYZ006-172015-
/O.CON.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
704 AM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY
TO 1 AM EST THURSDAY...

* LOCATIONS...OSWEGO COUNTY...MAINLY ACROSS THE TUG HILL REGION.

* TIMING...OVERNIGHT TONIGHT THROUGH OVERNIGHT WEDNESDAY NIGHT.

* ACCUMULATIONS...1 TO 3 INCHES OVERNIGHT...3 TO 6 INCHES
  WEDNESDAY...AND AN INCH OR TWO WEDNESDAY 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.

* IMPACTS...THE LAKE SNOWS WILL PRODUCE SIGNIFICANT ACCUMULATIONS
  ON AREA ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING
  TO HAZARDOUS 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

&&

$$

NYZ012-019-020-085-172015-
/O.CON.KBUF.LE.Y.0029.131218T0200Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
704 AM EST TUE DEC 17 2013

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 4 PM EST WEDNESDAY...

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. 

* TIMING...LATE THIS EVENING THROUGH LATE WEDNESDAY AFTERNOON.

* ACCUMULATIONS...3 TO 5 INCHES OVERNIGHT AND 2 TO 3 INCHES
  WEDNESDAY...LEADING TO STORM TOTALS OF 4 TO 8 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

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

* IMPACTS...THE LAKE SNOWS WILL LEAD TO SLIPPERY SNOW COVERED 
  ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING TO 
  HAZARDOUS 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

&&

$$

JJR
000 
WWUS41 KBUF 172032
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
332 PM EST TUE DEC 17 2013

NYZ006>008-180445-
/O.CON.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
332 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY
TO 1 AM EST THURSDAY...

* LOCATIONS...JEFFERSON AND LEWIS COUNTIES...MAINLY ACROSS THE 
  TUG HILL REGION. 

* TIMING...OVERNIGHT TONIGHT THROUGH OVERNIGHT WEDNESDAY NIGHT.

* ACCUMULATIONS...AN INCH OR TWO OVERNIGHT...3 TO 6 INCHES
  WEDNESDAY...AND UP TO 2 INCHES WEDNESDAY NIGHT...LEADING TO
  STORM TOTALS OF 5 TO 9 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* IMPACTS...THE LAKE SNOWS WILL PRODUCE SIGNIFICANT 
  ACCUMULATIONS ON AREA ROADWAYS ALONG WITH GREATLY REDUCED 
  VISIBILITIES...LEADING TO HAZARDOUS 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

&&

$$

NYZ012-019-020-085-180445-
/O.CON.KBUF.LE.Y.0029.131218T0200Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
332 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 4 PM EST WEDNESDAY...

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. 

* TIMING...LATE THIS EVENING THROUGH LATE WEDNESDAY AFTERNOON.

* ACCUMULATIONS...3 TO 5 INCHES OVERNIGHT AND 1 TO 3 INCHES
  WEDNESDAY...LEADING TO STORM TOTALS OF 4 TO 8 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

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

* IMPACTS...THE LAKE SNOWS WILL LEAD TO SLIPPERY SNOW COVERED 
  ROADWAYS ALONG WITH GREATLY REDUCED VISIBILITIES...LEADING TO 
  HAZARDOUS 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

&&

$$
000 
WWUS41 KBUF 172341
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
641 PM EST TUE DEC 17 2013

NYZ006>008-180745-
/O.CON.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
641 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY
TO 1 AM EST THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY
  ACROSS THE TUG HILL REGION.

* TIMING...LATE TONIGHT THROUGH WEDNESDAY NIGHT. THE MAJORITY OF
  THE HEAVY SNOW IS EXPECTED LATER WEDNESDAY AFTERNOON AND
  EVENING.

* ACCUMULATIONS...AROUND AN INCH OVERNIGHT...3 TO 6 INCHES
  WEDNESDAY...AND 3 TO 6 INCHES WEDNESDAY NIGHT...LEADING TO STORM
  TOTALS OF 6 TO 11 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM
  PARISH TO ADAMS. 

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

&&

$$

NYZ012-019-020-085-180745-
/O.CON.KBUF.LE.Y.0029.131218T0200Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
641 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND
  CATTARAUGUS COUNTIES. GREATEST AMOUNTS ACROSS HIGHER TERRAIN. 

* TIMING...LATE THIS EVENING THROUGH LATE WEDNESDAY AFTERNOON.

* ACCUMULATIONS...3 TO 5 INCHES OVERNIGHT AND 3 TO 5 INCHES
  WEDNESDAY...LEADING TO STORM TOTALS OF 5 TO 8 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS.

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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED
  ROADS AND POOR VISIBILITY. 

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
000 
WWUS41 KBUF 180431
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1131 PM EST TUE DEC 17 2013

NYZ006>008-181245-
/O.CON.KBUF.LE.W.0012.131218T0600Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1131 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH WEDNESDAY NIGHT. THE MAJORITY OF THE HEAVY
  SNOW IS EXPECTED LATER WEDNESDAY AFTERNOON AND EVENING.

* ACCUMULATIONS...AROUND AN INCH OVERNIGHT...3 TO 6 INCHES 
  WEDNESDAY...AND 3 TO 6 INCHES WEDNESDAY NIGHT...LEADING TO 
  STORM TOTALS OF 6 TO 11 INCHES IN THE MOST PERSISTENT LAKE 
  SNOWS. 

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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM 
  PARISH TO ADAMS. 

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

&&

$$

NYZ012-019-020-085-181245-
/O.CON.KBUF.LE.Y.0029.000000T0000Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
1131 PM EST TUE DEC 17 2013

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. GREATEST AMOUNTS ACROSS HIGHER TERRAIN. 

* TIMING...THROUGH LATE WEDNESDAY AFTERNOON.

* ACCUMULATIONS...3 TO 5 INCHES OVERNIGHT AND 3 TO 5 INCHES 
  WEDNESDAY...LEADING TO STORM TOTALS OF 5 TO 8 INCHES IN THE 
  MOST PERSISTENT LAKE SNOWS. 

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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. 

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
000 
WWUS41 KBUF 180913
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
413 AM EST WED DEC 18 2013

NYZ006>008-181715-
/O.CON.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
413 AM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH OVERNIGHT TONIGHT. THE MAJORITY OF THE HEAVY
  SNOW IS EXPECTED LATER THIS AFTERNOON AND EVENING.

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


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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM 
  PARISH TO ADAMS. 

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

&&

$$

NYZ012-019-020-085-181715-
/O.CON.KBUF.LE.Y.0029.000000T0000Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
413 AM EST WED DEC 18 2013

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

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. GREATEST AMOUNTS ACROSS HIGHER TERRAIN. 

* TIMING...THROUGH LATE THIS AFTERNOON.

* ACCUMULATIONS...ADDITIONAL 3 TO 5 INCHES TODAY LEADING TO STORM
  TOTALS OF 5 TO 8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

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

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. 

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
000 
WWUS41 KBUF 181446
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
946 AM EST WED DEC 18 2013

NYZ006>008-182300-
/O.CON.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
946 AM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH OVERNIGHT TONIGHT.

* ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES TODAY AND 3 TO 6 INCHES
  TONIGHT...LEADING TO STORM TOTALS OF 8 TO 14 INCHES IN THE MOST
  PERSISTENT LAKE SNOWS. 

* VISIBILITIES....DOWN TO ONE QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM 
  PARISH TO ADAMS. 

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

&&

$$

NYZ012-019-020-085-182100-
/O.CON.KBUF.LE.Y.0029.000000T0000Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
946 AM EST WED DEC 18 2013

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

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. GREATEST AMOUNTS ACROSS HIGHER TERRAIN. 

* TIMING...THROUGH LATE THIS AFTERNOON.

* ACCUMULATIONS...ADDITIONAL 2 TO 3 INCHES TODAY...LEADING TO 6 TO
  8 INCHES IN THE MOST PERSISTENT LAKE SNOWS.

* VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. 

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

&&

$$
000 
WWUS41 KBUF 181620
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1120 AM EST WED DEC 18 2013

NYZ012-019-020-085-182100-
/O.UPG.KBUF.LE.Y.0029.000000T0000Z-131218T2100Z/
/O.EXB.KBUF.LE.W.0012.000000T0000Z-131218T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
1120 AM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON.
THE LAKE EFFECT SNOW ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND
  CATTARAUGUS COUNTIES.

* TIMING...THROUGH LATE THIS AFTERNOON.

* ACCUMULATIONS...ANOTHER 3 TO 5 INCHES IN THE MOST PERSISTENT
  LAKE SNOWS TODAY...LEADING TO SNOWFALL TOTALS OF 8 TO 12 INCHES
  IN THE MOST PERSISTENT LAKE SNOWS. 

* VISIBILITIES...DOWN TO ONE QUARTER MILE. 

* IMPACTS...TRAVEL WILL BE VERY DIFFICULT AT TIMES WITH SNOW
  COVERED ROADS AND NEAR ZERO VISIBILITY. THIS INCLUDES INTERSTATE
  90 BETWEEN STURGEON POINT AND BROCTON. 

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>008-190030-
/O.CON.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1120 AM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH OVERNIGHT TONIGHT.

* ACCUMULATIONS...3 TO 5 INCHES TODAY AND 3 TO 6 INCHES
  TONIGHT...LEADING TO SNOWFALL TOTALS OF 8 TO 14 INCHES IN THE
  MOST PERSISTENT LAKE SNOWS. 

* VISIBILITIES...DOWN TO ONE QUARTER MILE. 

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM 
  PARISH TO ADAMS. 

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

&&

$$
000 
WWUS41 KBUF 182035
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
335 PM EST WED DEC 18 2013

NYZ012-019-020-085-182300-
/O.EXT.KBUF.LE.W.0012.000000T0000Z-131218T2300Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
335 PM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING NOW IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* LOCATIONS...SOUTHERN ERIE...WYOMING...CHAUTAUQUA...AND 
  CATTARAUGUS COUNTIES. 

* TIMING...THROUGH LATE THIS AFTERNOON.

* ACCUMULATIONS...ANOTHER 1 TO 2 INCHES THROUGH LATE THIS
  AFTERNOON...LEADING TO SNOWFALL TOTALS OF 8 TO 12 INCHES IN THE
  MOST PERSISTENT LAKE SNOWS.

* VISIBILITIES...DOWN TO ONE QUARTER MILE.

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED
  ROADS AND NEAR ZERO VISIBILITY. 

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>008-190445-
/O.CON.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
335 PM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH OVERNIGHT TONIGHT.

* ACCUMULATIONS...ANOTHER 3 TO 6 INCHES TONIGHT...LEADING TO
  SNOWFALL TOTALS OF 8 TO 14 INCHES IN THE MOST PERSISTENT LAKE
  SNOWS.

* VISIBILITIES...DOWN TO ONE QUARTER MILE.

* IMPACTS...TRAVEL WILL BE DIFFICULT AT TIMES WITH SNOW COVERED 
  ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81 FROM 
  PARISH TO ADAMS. 

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

&&

$$
000 
WWUS41 KBUF 182253
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
553 PM EST WED DEC 18 2013

NYZ012-019-020-085-190000-
/O.EXP.KBUF.LE.W.0012.000000T0000Z-131218T2300Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
553 PM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING WILL EXPIRE AT 6 PM EST THIS
EVENING...

LAKE EFFECT SNOW WILL CONTINUE TO RAPIDLY DIMINISH THROUGH EARLY
EVENING. ANY ADDITIONAL ACCUMULATION WILL BE LESS THAN AN INCH.

$$

NYZ006>008-190600-
/O.CON.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
553 PM EST WED DEC 18 2013

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* LOCATIONS...OSWEGO...JEFFERSON AND LEWIS COUNTIES...MAINLY 
  ACROSS THE TUG HILL REGION. 

* TIMING...THROUGH 1 AM THURSDAY.

* ACCUMULATIONS...AN ADDITIONAL 5 TO 9 INCHES THIS EVENING IN
  PERSISTENT BANDS.

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

* IMPACTS...TRAVEL WILL BE VERY DIFFICULT AT TIMES WITH SNOW
  COVERED ROADS AND POOR VISIBILITY. THIS INCLUDES INTERSTATE 81
  FROM PARISH TO ADAMS.

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

&&

$$

HITCHCOCK
000 
WWUS41 KBUF 190146
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
846 PM EST WED DEC 18 2013

NYZ006>008-190300-
/O.CAN.KBUF.LE.W.0012.000000T0000Z-131219T0600Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
846 PM EST WED DEC 18 2013

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

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

LAKE EFFECT SNOW HAS RAPIDLY DIMINISHED TO LIGHT SNOW SHOWERS THIS
EVENING. ANY ADDITIONAL ACCUMULATION WILL BE LESS THAN AN INCH.

$$

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 Dec 17, 12:08 AM EST, 3 hours 20 minutes earlier.

Area forecast discussion, Dec 17, 12:08 AM EST, 3 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
1208 AM EST TUE DEC 17 2013

.SYNOPSIS...
A NARROW REGION OF HIGH PRESSURE WILL MOVE AWAY FROM THE LAKES
OVERNIGHT. A CLIPPER SYSTEM WILL THEN BRING A GENERAL LIGHT SNOWFALL
LATER TONIGHT THROUGH TUESDAY AS IT SHIFTS ACROSS NEW YORK. ANOTHER
ROUND OF LAKE EFFECT SNOW WILL THEN FOLLOW IN ITS WAKE TUESDAY NIGHT
AND WEDNESDAY EAST OF THE LAKES. LATER IN THE WEEK...TEMPERATURES
WILL FINALLY RISE BACK ABOVE NORMAL...WITH SOME RAIN SHOWERS EVEN
BECOMING POSSIBLE ON FRIDAY IN ADVANCE OF THE NEXT STORM SYSTEM.

&&

.NEAR TERM /THROUGH TODAY/...
A COLD NIGHT IN PLACE ACROSS WESTERN AND NORTH CENTRAL NEW YORK WITH
CLEAR SKIES...LIGHT WINDS AND FRESH SNOW PACK. MANY LOCATIONS IN
WESTERN NEW YORK ARE REPORTING SINGLE DIGIT TEMPERATURES AS OF MIDNIGHT
WITH NEGATIVE TEMPERATURE READINGS IN THE NORTH COUNTY AWAY FROM THE
LAKE. FOR THE MOST PART...THE LIMITED LAKE EFFECT CLOUDS AND SNOW
SHOWERS HAVE DISSIPATED EAST OF LAKE ERIE AND WILL DISSIPATE EAST OF
LAKE ONTARIO EARLY THIS MORNING. HAVE ISSUED A WIND CHILL WARNING
FOR JEFFERSON COUNTY AS TEMPERATURES HAVE DROPPED INTO THE NEGATIVE
TEENS ACROSS INLAND PORTIONS OF THE COUNTY COMBINED WITH A LIGHT
EASTERLY DRAINAGE WIND OF 5 TO 10 MPH. WIND CHILLS AS LOW AS 30
BELOW MAY BE OBSERVED OVERNIGHT. TEMPS ACROSS LEWIS COUNTY ARE
SIMILARLY COLD BUT CALM TO LIGHT WINDS SHOULD PREVENT THE ADDITIONAL
WIND CHILL FACTOR.

A BAND OF CLOUDS OBSERVED ON IR ACROSS OHIO AND PENNSYLVANIA IS
ASSOCIATED WITH APPROACHING MID LEVEL WARM ADVECTION. THIS WILL
SLOWLY DRIFT OVERHEAD. THE WARM ADVECTION COMBINED WITH A MID LEVEL
TROUGH AND APPROACHING CLIPPER SYSTEM DROPPING TOWARDS THE UPPER
LAKES WILL BRING SNOW BACK TO WESTERN NEW YORK EARLY THIS MORNING.
SNOW WILL BE OVERSPREADING WESTERN NEW YORK INTO THE FINGER LAKES BY
DAYBREAK THEN TAPER OFF BY EARLY AFTERNOON. FOR THE NORTH COUNTY
SNOW WILL ARRIVE THROUGH THE MORNING DAYLIGHT HOURS AND TAPER OFF BY
SUNSET TUESDAY. EXPECTING SNOW TO ACCUMULATE 2 TO 3 INCHES WITH THIS
PASSING SYSTEM.

TEMPERATURE-WISE...GUIDANCE SHOWS THE WARM ADVECTION ALOFT WILL HAVE
AN IMPACT NEAR THE SURFACE OF GRADUALLY WARMING TEMPS TOWARD
DAYBREAK. OVERNIGHT LOWS WILL OCCUR DURING THE MIDDLE OF THE
OVERNIGHT THEN SLOWLY RISE. ACROSS THE SOUTHERN TIER TEMPS WILL RISE
TO NEAR 20 BY DAYBREAK AND INTO THE TEENS ACROSS THE FINGER
LAKES...NIAGARA FRONTIER AND GENESEE VALLEY. IN THE NORTH COUNTY
TEMPS LOOK TO RISE BACK TOWARD ZERO. HIGH TEMPS ON TUESDAY WILL BE
IN THE MIDDLE 20S TO AROUND 30 FOR MUCH OF THE REGION...IN THE UPPER
TEENS THROUGH THE 20S EAST OF LAKE ONTARIO.

&&

.SHORT TERM /TONIGHT THROUGH THURSDAY NIGHT/...
A DEEP 500 MB TROF WILL MOVE ACROSS THE REGION TUESDAY NIGHT INTO
WEDNESDAY...WHICH WILL BRING ANOTHER OPPORTUNITY FOR LAKE EFFECT
SNOW. THERE IS A SUBTLE VORT MAX EMBEDDED WITHIN THIS FEATURE...WITH
DIFFERENCES IN HANDLING THIS FEATURE LEADING TO VARIABILITY IN THE
WIND AND QPF FIELDS. THIS ASIDE...DO HAVE CONFIDENCE THAT A WSW FLOW
WILL EVENTUALLY DEVELOP LATE TUESDAY NIGHT ON LAKE ERIE. WITH 850 MB
TEMPERATURES -12C...LAKE INDUCED INSTABILITY WILL BE MODEST WITH
THIS EVENT WHEN COMPARED TO LAST WEEK. DESPITE LIMITED
INSTABILITY...LIGHT WINDS AND MOISTURE ASSOCIATED WITH THE SHORTWAVE
WILL RESULT IN LAKE EFFECT SNOW SHOWERS DEVELOPING ON LAKE ERIE
TUESDAY EVENING. THE DEVELOPING WSW FLOW WILL THEN PUSH THIS EAST OF
LAKE ERIE...INTO WESTERN PORTIONS OF THE SOUTHERN TIER AND THE
BOSTON HILLS. SNOW AMOUNTS WILL MOST LIKELY BE IN THE 3 TO 5 INCH
RANGE WITH STEADIEST SNOWS LATE TUESDAY NIGHT. A SIMILAR STORY IS
LIKELY TO PLAY OUT EAST OF LAKE ONTARIO...JUST 6 TO 9 HOURS LATER.
EQUILIBRIUM LEVELS WILL DROP TO BELOW 5K FEET BEHIND THE TROF WHICH
WILL CAUSE LAKE SNOWS TO END. THE PROGRESSIVE NATURE OF THE TROF
SHOULD MAKE THIS THIS A RELATIVELY QUICK HITTING EVENT COMPARED TO
THE MARATHON OF LAKE SNOWS WE GOT LAST WEEK. CONFIDENCE IS JUST SHY
OF THE THRESHOLD. THIS CAN BE REVISITED LATER AS MODEL  GUIDANCE
GAINS A BETTER HANDLE ON VORT MAXES EMBEDDED IN THE TROF.

OUTSIDE OF THE LAKE EFFECT...AREAS OUTSIDE OF THE LAKE EFFECT
SNOW...THE REGION SHOULD REMAIN LARGELY DRY THROUGH THE PERIOD. HIGH
PRESSURE ACROSS THE MID ATLANTIC STATES WILL RIDGE NORTHWARD INTO
OUR REGION WEDNESDAY NIGHT AND THURSDAY...AS TEMPERATURES ALOFT
GRADUALLY WARM. BY THURSDAY...HIGHS MAY ACTUALLY CLIMB ABOVE
FREEZING.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
THE FIRST PART OF THE PERIOD WILL BE RELATIVELY QUIET...BUT 12Z
GUIDANCE SHOWS THE POTENTIAL FOR SIGNIFICANT PRECIPITATION THIS
WEEKEND. A WARM FRONTAL BOUNDARY WILL CONTINUE TO LIFT ACROSS THE
REGION THURSDAY NIGHT AND MONDAY...WHICH WILL LIKELY BRING A ROUND
OF RAIN SHOWERS LATE THURSDAY NIGHT INTO FRIDAY. THIS WILL ALLOW
TEMPERATURES TO WARM INTO THE 40S ON FRIDAY AS A FRONTAL BOUNDARY
STALLS JUST TO OUR WEST. WITH THIS FRONT NEARBY...THERE IS A VERY
LOW CONFIDENCE IN TEMPERATURE FORECASTS FOR MUCH OF THE WEEKEND.

PERHAPS THE BIG STORY IS THAT 12Z RUNS OF THE GFS/GGEM/ECMWF ALL
DEVELOP LOW PRESSURE ALONG THIS FRONT...AND TRACK IT UP TOWARD OUR
REGION SATURDAY NIGHT AND SUNDAY. THIS WILL LIKELY BRING A ROUND OF
STEADY PRECIPITATION...WITH THE POSITION OF THE FRONT KEY TO
PRECIPITATION TYPE. RAIN APPEARS MORE LIKELY THAN SNOW AT THIS
POINT...BUT GIVEN THE CLOSE PROXIMITY OF THE FRONT SNOW IS STILL
POSSIBLE TOO. WITH QPFS IN THE 1-2 INCH RANGE...WARM TEMPERATURES
AND RAIN COULD POTENTIALLY CAUSE FLOODING OR ICE JAMS WHEN COMBINED
WITH SNOW MELT. FORECAST CONFIDENCE IS STILL LOW AT THIS
POINT...GIVEN THE WIDE RANGE OF MODEL SOLUTIONS WHEN CONSIDERING
PREVIOUS MODEL RUNS.

AFTER THIS...COLD AIR WILL BUILD IN BEHIND THE LOW...WITH A RETURN
TO BELOW NORMAL TEMPERATURES EARLY NEXT WEEK.

&&

.AVIATION /05Z TUESDAY THROUGH SATURDAY/...
SOME LINGERING LAKE EFFECT CLOUDS EAST OF THE LAKES WILL DISSIPATE
AND GIVE WAY TO A BRIEF PERIOD OF CLEAR SKIES BEFORE A BROAD OVERCAST
BAND OF CLOUDS LIFTS NORTHEAST FROM THE OHIO VALLEY. ALL TAF SITES
ARE VFR UNDER MAINLY CLEAR SKIES. APPROACHING MID LEVEL WARM
ADVECTION AHEAD OF AN APPROACHING CLIPPER WILL BRING THICKENING
CLOUDS AND A RETURN OF SNOW OVERNIGHT. IFR VIS AND MVFR CIGS ARE
EXPECTED AFTER 08Z AS THE SNOW BECOMES MORE STEADY AND INTENSIFIES
OVERNIGHT. THIS SYNOPTIC SNOW WILL LIFT OFF TO THE NORTHEAST DURING
THE DAY TODAY AND WILL BE REPLACED BY AREAS OF LAKE EFFECT SNOW EAST OF
THE LAKES AGAIN ON TUESDAY NIGHT AND WEDNESDAY.

OUTLOOK...
TUESDAY...MVFR/IFR IN LIGHT SNOW.
TUESDAY NIGHT AND WEDNESDAY...MAINLY VFR WITH A CHANCE OF SNOW
SHOWERS...EXCEPT IFR IN LAKE EFFECT SNOW SHOWERS EAST OF THE LAKES.
THURSDAY...MAINLY VFR.
FRIDAY...VFR/MVFR WITH RAIN SHOWERS BECOMING LIKELY.
SATURDAY...VFR/MVFR CHANCE RAIN/SNOW.

&&

.MARINE...
LIGHT WINDS AND MINIMAL WAVES ACROSS THE LAKES WITH HIGH PRESSURE
OVERHEAD. HIGH PRESSURE SHIFTS TO THE EAST THROUGH THE MORNING
WITH A DEVELOPING SOUTHEASTERLY FLOW. A CLIPPER SYSTEM WILL PUSH
ACROSS THE LAKES LATER THIS MORNING TROUGH TODAY. BEHIND THIS
SYSTEM...WESTERLY WINDS AND WAVES WILL INCREASE AGAIN TUESDAY NIGHT
INTO WEDNESDAY. EXPECT SMALL CRAFT ADVISORIES AGAIN ON WEDNESDAY.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...WIND CHILL ADVISORY UNTIL 7 AM EST THIS MORNING FOR NYZ007.
MARINE...NONE.

&&

SYNOPSIS...SMITH
NEAR TERM...SMITH
SHORT TERM...APFFEL
LONG TERM...APFFEL
AVIATION...SMITH
MARINE...SMITH
Hazardous weather outlook, Dec 16, 3:58 PM EST, 11 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
358 PM EST MON DEC 16 2013

NYZ001>005-010-011-013-014-021-172100-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-GENESEE-
LIVINGSTON-ONTARIO-ALLEGANY-
358 PM EST MON DEC 16 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

LOW PRESSURE WILL BRING SIGNIFICANT PRECIPITATION TO THIS WEEKEND. THE
FORECAST TRACK IS STILL VERY UNCERTAIN...AND DEPENDING ON THE
TRACK OF THE LOW...THE SYSTEM MAY BRING A SOAKING RAINFALL TO THE
REGION. IF THIS OCCURS...THIS COULD POTENTIALLY RESULT IN RIVER
OR ICE JAM FLOODING.

.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

NYZ012-019-020-085-172100-
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
358 PM EST MON DEC 16 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ANOTHER ROUND OF POTENTIALLY SIGNIFICANT LAKE EFFECT SNOW WILL BE
POSSIBLE TUESDAY NIGHT AND WEDNESDAY.

LOW PRESSURE WILL BRING SIGNIFICANT PRECIPITATION TO THIS WEEKEND. THE
FORECAST TRACK IS STILL VERY UNCERTAIN...AND DEPENDING ON THE
TRACK OF THE LOW...THE SYSTEM MAY BRING A SOAKING RAINFALL TO THE
REGION. IF THIS OCCURS...THIS COULD POTENTIALLY RESULT IN RIVER
OR ICE JAM FLOODING.

.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>008-172100-
OSWEGO-JEFFERSON-LEWIS-
358 PM EST MON DEC 16 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ANOTHER ROUND OF POTENTIALLY SIGNIFICANT LAKE EFFECT SNOW WILL BE
POSSIBLE TUESDAY NIGHT AND WEDNESDAY.

LOW PRESSURE WILL BRING SIGNIFICANT PRECIPITATION TO THIS WEEKEND. THE
FORECAST TRACK IS STILL VERY UNCERTAIN...AND DEPENDING ON THE
TRACK OF THE LOW...THE SYSTEM MAY BRING A SOAKING RAINFALL TO THE
REGION. IF THIS OCCURS...THIS COULD POTENTIALLY RESULT IN RIVER
OR ICE JAM FLOODING.

.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-LOZ030-042>045-062>065-SLZ022-024-172100-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LOWER NIAGARA RIVER-
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-
358 PM EST MON DEC 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEW YORK WATERS OF LAKE
ERIE...LAKE ONTARIO...AND THE SAINT LAWRENCE RIVER.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 9:33 PM ESTWind Chill AdvisoryBUFJefferson, Lewis9 hr
Dec 17, 3:28 AM ESTLake Effect Snow AdvisoryBUFCattaraugus, Chautauqua, Erie, Wyoming32 hr
Dec 17, 4:14 AM ESTSmall Craft AdvisoryBUF63 hr

Nearby

Lake Effect Snow Warnings in New York, 2013Every lake effect snow warning in 2013

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.