Alert archive / New York / Lake Effect Snow Advisories in 2005

Lake Effect Snow Advisory 8, NWS Buffalo, NY

December 11, 20055 counties in New York

NWS Buffalo, NY issued this lake effect snow advisory at Dec 11, 2005, 3:30 PM EST for 5 counties in New York. It was in force for 10 days.

The area

The counties it named.

The facts

Issued
Dec 11, 2005, 3:30 PM EST (20:30 UTC)
Expired
Dec 21, 2005, 5:00 AM EST
In force
10 days
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 20:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 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 2005-12-11Temperature 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 2005-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
695 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
225 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 112030
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
330 PM EST SUN DEC 11 2005

...LAKE SNOWS CONTINUE...

.COLD AIR MOVING THE GREAT LAKES WILL GENERATE LAKE SNOWS TONIGHT.

OFF LAKE ERIE THE SNOW SHOULD GIVE 1 TO 4 INCHES FROM CHAUTAUQUA 
COUNTY THROUGH SOUTHERN ERIE AND CATTARAUGUS COUNTIES BEFORE 
CONCENTRATING ON CHAUTAUQUA COUNTY WHERE 3 TO 6 INCHES ARE
EXPECTED, MAINLY OVER HIGHER TERRAIN. 

A LAKE EFFECT SNOW BAND HAS DEVELOPED OVER JEFFERSON COUNTY. THE
WINDS WILL HAVE A GRADUAL SHIFT WHICH SHOULD MIGRATE THE LAKE
ENHANCED SNOWS INTO OSWEGO COUNTY. 1 TO 6 INCHES SHOULD FALL IN
JEFFERSON AND LEWIS COUNTY, MAINLY THIS EVENING, AND 3 TO 5
INCHES IN OSWEGO COUNTY.

NYZ001-010-112130-
/O.CAN.KBUF.LE.Y.0007.000000T0000Z-051211T2200Z/
NIAGARA-NORTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...BUFFALO
330 PM EST SUN DEC 11 2005

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

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

THE HEAVY SNOWS HAVE MOVED SOUTH OUT OF NIAGARA AND NORTHERN ERIE
COUNTIES.

$$

NYZ019-120430-
/O.NEW.KBUF.LE.Y.0008.051211T2030Z-051212T1500Z/
CHAUTAUQUA-
INCLUDING THE CITY OF...JAMESTOWN
330 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 10 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST MONDAY. 

LAKE EFFECT SNOW WILL CONTINUE TONIGHT WITH MOST AREAS RECEIVING 1
TO 3 INCHES, BUT 3 TO 6 INCHES ARE EXPECTED IN MORE PERSISTENT
LAKE SNOWS, MAINLY OVER HIGHER TERRAIN. 

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

$$

NYZ007-008-120430-
/O.NEW.KBUF.LE.Y.0008.051211T2030Z-051212T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
330 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST MONDAY. 

LAKE EFFECT SNOW OVER JEFFERSON COUNTY. THE WINDS WILL HAVE A
GRADUAL SHIFT WHICH SHOULD MIGRATE THE LAKE ENHANCED SNOWS INTO
OSWEGO COUNTY. 1 TO 6 INCHES SHOULD FALL IN JEFFERSON AND LEWIS
COUNTY, MAINLY THIS EVENING, AND 3 TO 5 INCHES IN OSWEGO COUNTY.

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

$$

NYZ006-120430-
/O.NEW.KBUF.LE.Y.0008.051212T0000Z-051212T1500Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
330 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
10 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO
10 AM EST MONDAY. 

LAKE EFFECT SNOW WILL MOVE SOUTH INTO THE COUNTY THIS EVENING. 3
TO 5 INCHES ARE EXPECTED, MAINLY OVER THE TUG HILL.

$$

BLACKBURN
6 follow-up statements
000 
WWUS41 KBUF 112151
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
451 PM EST SUN DEC 11 2005

NYZ020-120600-
/O.EXA.KBUF.LE.Y.0008.000000T0000Z-051212T1500Z/
CATTARAUGUS-
INCLUDING THE CITY OF...OLEAN
451 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 10 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST MONDAY. 

LAKE EFFECT SNOW WILL CONTINUE TONIGHT WITH MOST AREAS RECEIVING
1 TO 3 INCHES...BUT 4 TO 8 INCHES ARE EXPECTED IN MORE PERSISTENT
LAKE SNOWS...MAINLY OVER HIGHER TERRAIN.

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

$$

NYZ019-120600-
/O.CON.KBUF.LE.Y.0008.000000T0000Z-051212T1500Z/
CHAUTAUQUA-
INCLUDING THE CITY OF...JAMESTOWN
451 PM EST SUN DEC 11 2005

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

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY. 

LAKE EFFECT SNOW WILL CONTINUE TONIGHT WITH MOST AREAS RECEIVING
1 TO 3 INCHES...BUT 4 TO 8 INCHES ARE EXPECTED IN MORE PERSISTENT
LAKE SNOWS...MAINLY OVER HIGHER TERRAIN.

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

$$

NYZ006-120600-
/O.CON.KBUF.LE.Y.0008.051212T0000Z-051212T1500Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
451 PM EST SUN DEC 11 2005

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

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY. 

LAKE EFFECT SNOW WILL MOVE SOUTH INTO THE COUNTY THIS EVENING.
3 TO 6 INCHES ARE EXPECTED...MAINLY OVER THE TUG HILL.

$$

NYZ007-008-120600-
/O.CON.KBUF.LE.Y.0008.000000T0000Z-051212T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
451 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
MONDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
MONDAY. 

BANDS OF LAKE EFFECT SNOW WILL CONTINUE TONIGHT. LOCALIZED
SNOWFALL AMOUNTS WILL BE 4 TO 8 INCHES IN THE MOST PERSISTENT
BANDS...BEFORE THE LAKE BANDS SHIFT SOUTHWARD INTO OSWEGO COUNTY.

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

$$

TMA
000 
WWUS41 KBUF 120226
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
926 PM EST SUN DEC 11 2005

NYZ019-020-121030-
/O.CON.KBUF.LE.Y.0008.000000T0000Z-051212T1500Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
926 PM EST SUN DEC 11 2005

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

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY. 

LAKE EFFECT SNOW WILL BECOME BETTER ORGANIZED OVERNIGHT WITH THE
WIND SHIFT TO THE NORTHWEST. MOST AREAS WILL RECEIVE ANOTHER 1 TO
2 INCHES...BUT ANOTHER 3 TO 6 INCHES IS POSSIBLE IN THE MORE
PERSISTENT LAKE SNOWS OVER HIGHER TERRAIN.

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

$$

NYZ006-121030-
/O.CON.KBUF.LE.Y.0008.000000T0000Z-051212T1500Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
926 PM EST SUN DEC 11 2005

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

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY. 

LAKE EFFECT SNOW WILL SETTLE SOUTH ACROSS THE AREA TONIGHT AS THE
WINDS SHIFT TO THE NORTHWEST. AN ADDITIONAL 3 TO 6 INCHES IS
POSSIBLE. THE SNOW WILL LINGER INTO MONDAY MORNING AND ACCUMULATE
ANOTHER 1 TO 2 INCHES...BEFORE WEAKENING DURING THE AFTERNOON.

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


$$

NYZ007-008-121030-
/O.CON.KBUF.LE.Y.0008.000000T0000Z-051212T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
926 PM EST SUN DEC 11 2005

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
MONDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
MONDAY. 

BANDS OF LAKE EFFECT SNOW WILL SETTLE SOUTH OF THE AREA OVERNIGHT AS
THE WINDS SHIFT TO THE NORTH. ADDITIONAL ACCUMULATIONS OF 2 TO 4
INCHES ARE POSSIBLE WELL SOUTH OF WATERTOWN AND CROGHAN.

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

$$
000 
WWUS41 KBUF 120829
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
329 AM EST MON DEC 12 2005

...ONLY MINOR LAKE SNOWS EXPECTED TODAY...

.AN ARCTIC COLD FRONT PASSED ACROSS WESTERN AND CENTRAL NEW YORK
OVERNIGHT WITH OCCASIONAL SNOW SHOWERS. THE NORTHWEST FLOW
FOLLOWING THE FRONT WILL RESULT IN SOME LAKE SNOWS TODAY...BUT
CHANGING WIND FIELDS AND DRIER AIR WILL LIMIT ANY ACCUMULATIONS TO
JUST AN INCH OR TWO IN FAVORED AREAS. 

NYZ007-008-120930-
/O.CAN.KBUF.LE.Y.0008.000000T0000Z-051212T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
329 AM EST MON DEC 12 2005

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

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

SNOW ASSOCIATED WITH THE COLD FRONTAL PASSAGE ACCUMULATED A FEW
INCHES OVERNIGHT...ESPECIALLY ON THE TUG HILL. THIS ACTIVITY
SHOULD END BY MID MORNING WITH LITTLE FURTHER ACCUMULATION. WIND
FLOW WILL NOT BE FAVORABLE FOR ANY LAKE SNOWS.

$$

NYZ006-019-020-120930-
/O.CAN.KBUF.LE.Y.0008.000000T0000Z-051212T1500Z/
OSWEGO-CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...OSWEGO...JAMESTOWN...OLEAN
329 AM EST MON DEC 12 2005

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

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

SNOW ASSOCIATED WITH THE COLD FRONTAL PASSAGE DROPPED 2 TO 4
INCHES SUNDAY EVENING...BUT THIS ACTIVITY HAD ENDED DURING THE
PREDAWN HOURS. SOME LAKE EFFECT SNOW MAY REDEVELOP FOR A TIME
TODAY...BUT IT SHOULD BE TRANSITORY AND FAIRLY LIGHT AS WIND
FIELDS ARE NOT FAVORABLE. ACCUMULATION TODAY WILL BE NO MORE THAN
1 TO 3 INCHES. THE ACTIVITY SHOULD WEAKEN LATER TODAY AND TONIGHT.

$$
SFM
000 
WWUS41 KBUF 202050
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
350 PM EST TUE DEC 20 2005

...SNOW AND BLOWING SNOW TO IMPACT WESTERN NEW YORK AND THE GENESEE 
VALLEY THROUGH THIS EVENING... 
...LAKE EFFECT SNOW TO CONTINUE EAST OF LAKE ONTARIO...
 
.A COLD FRONT DIPPING SOUTHWARD ACROSS NEW YORK WILL CONTINUE TO
PRODUCE A GENERAL SNOWFALL ACROSS MUCH OF WESTERN AND NORTHERN NEW
YORK THROUGH THIS EVENING. ADDITIONALLY, A WESTERLY FLOW OFF LAKE
ONTARIO WILL CONTINUE THE LAKE EFFECT SNOW ACROSS AREAS EAST OF
LAKE ONTARIO. SNOW WILL TAPER TO SCATTERED SNOW SHOWERS ACROSS
WESTERN SECTIONS AS THE FRONT MOVES SOUTH OF THE REGION LATER THIS
EVENING. THE LAKE SNOWS OFF LAKE ONTARIO WILL DIMINISH AS WELL
LATER THIS EVENING AS THE WINDS SHIFT TO THE NORTH...MAKING
CONDITIONS LESS FAVORABLE FOR LAKE EFFECT.

NYZ006>008-210200-
/O.CON.KBUF.LE.W.0008.000000T0000Z-051221T0200Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
350 PM EST TUE DEC 20 2005

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING. 

LAKE EFFECT SNOW WILL CONTINUE DURING THE LATE AFTERNOON AND 
ACCUMULATE AN ADDITIONAL 3 TO 5 INCHES BY THIS EVENING...MAINLY OVER 
THE TUG HILL REGION. AS THIS WINDS SHIFT TO THE NORTHWEST...THE
LAKE SNOWS WILL SHIFT TO THE SOUTH AND DIMINISH TO SCATTERED SNOW SHOWERS
AFTER 9 PM OVER JEFFERSON AND LEWIS COUNTIES. LAKE SNOWS WILL
BRING ANOTHER 3 TO 5 INCHES TO OSWEGO COUNTY...BUT WILL WEAKEN BY
MIDNIGHT.

THE FRESH SNOW WILL BE ACCOMPANIED BY WIND GUSTS OVER 30 MPH  
RESULTING IN SOME BLOWING AND DRIFTING SNOW WITH NEAR WHITEOUT
CONDITIONS.

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
AND OTHER RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

$$

NYZ001>005-010>014-085-210200-
/O.CON.KBUF.WW.Y.0004.000000T0000Z-051221T0200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
350 PM EST TUE DEC 20 2005

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING. 

LIGHT SNOW ASSOCIATED WITH A COLD FRONT CROSSING THE REGION WILL 
CONTINUE THROUGH THE EVENING. ADDITIONAL SNOWFALL WILL RANGE FROM
1 TO 3 INCHES ACROSS THE NIAGARA FRONTIER TO THE FINGER LAKES...AND
2 TO 4 INCHES OVER HIGHER TERRAIN OF THE WESTERN SOUTHERN TIER AND
WYOMING TO SOUTHERN ERIE COUNTIES. THE SNOW IS EXPECTED TO DIMINISH
TO SCATTERED SNOW SHOWERS AND FLURRIES AFTER MIDNIGHT AS THE FRONT
EXITS THE REGION.

THE COMBINATION OF SNOW AND WEST WINDS GUSTING OVER 30 MPH WILL
CREATE NEAR WHITEOUT CONDITIONS AT TIMES...RESULTING IN DIFFICULT
DRIVING CONDITIONS DURING THE AFTERNOON AND EVENING RUSH HOUR.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW, BLOWING SNOW, SLEET,
FREEZING RAIN AND WIND CHILLS. WHILE THE WEATHER WILL BE
SIGNIFICANT, THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER
IS NOT ANTICIPATED. STAY TUNED TO NOAA WEATHER RADIO AND OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

$$

NYZ019>021-210500-
/O.CON.KBUF.WW.Y.0004.000000T0000Z-051221T0500Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
350 PM EST TUE DEC 20 2005

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

OCCASIONAL LIGHT SNOW ASSOCIATED WITH A COLD FRONT THAT WILL CROSS 
THE REGION THIS EVENING WILL BRING AN ADDITIONAL 2 TO 4 INCHES OF 
ACCUMULATION TO THE AREA. THE SNOW WILL DIMINISH TO SCATTERED SNOW
SHOWERS AND FLURRIES AFTER MIDNIGHT AS THE FRONT MOVES SOUTH OF THE
AREA.

THE COMBINATION OF SNOW AND WEST WINDS GUSTING OVER 30 MPH WILL
CREATE NEAR WHITEOUT CONDITIONS AT TIMES...RESULTING IN DIFFICULT
DRIVING CONDITIONS DURING THE EVENING RUSH HOUR.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW, BLOWING SNOW,
SLEET, FREEZING RAIN AND WIND CHILLS. WHILE THE WEATHER WILL BE
SIGNIFICANT, THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER
IS NOT ANTICIPATED. STAY TUNED TO NOAA WEATHER RADIO AND OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

$$

MRP/WCH
000 
WWUS41 KBUF 210159
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
859 PM EST TUE DEC 20 2005

...SNOW SHOWERS TO CONTINUE IMPACTING PORTIONS OF THE AREA THROUGH
THIS EVENING...
...LAKE EFFECT SNOWS TO CONTINUE SOUTHEAST OF LAKE ONTARIO...

.A COLD FRONT DIPPING SOUTHWARD ACROSS NEW YORK WILL CONTINUE TO
PRODUCE A LIGHT GENERAL SNOWFALL ACROSS MUCH OF WESTERN AND
NORTHERN NEW YORK THROUGH MUCH OF THE NIGHT. IN ADDITION... A
WEST NORTHWEST FLOW OFF LAKE ONTARIO WILL CONTINUE THE LAKE EFFECT
SNOW ACROSS AREAS SOUTHEAST OF THE LAKE. THE SNOWS ARE EXPECTED TO
GRADUALLY TAPER TO SCATTERED SNOW SHOWERS AS THE COLD FRONT PUSHES
SOUTH OF THE AREA OVERNIGHT...AND AS WINDS BECOME UNFAVORABLE FOR
LAKE EFFECT SNOW.

NYZ007-008-210300-
/O.CAN.KBUF.LE.W.0008.000000T0000Z-051221T0200Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
859 PM EST TUE DEC 20 2005

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

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

THE HEAVY LAKE SNOWS HAVE ENDED ACROSS THE AREA...THEREFORE THE
LAKE EFFECT SNOW WARNING HAS BEEN CANCELLED.

$$

NYZ001-010>014-210300-
/O.CAN.KBUF.WW.Y.0004.000000T0000Z-051221T0200Z/
NIAGARA-NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...BUFFALO...BATAVIA...
WARSAW...GENESEO...CANANDAIGUA
859 PM EST TUE DEC 20 2005

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

LIGHT SNOW SHOWERS WILL CONTINUE FOR MUCH OF THE REMAINDER OF THE
NIGHT...BUT ANY ADDITIONAL ACCUMULATIONS ARE EXPECTED TO BE AN
INCH OR LESS. THEREFORE...THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED.

$$

NYZ021-210300-
/O.CAN.KBUF.WW.Y.0004.000000T0000Z-051221T0500Z/
ALLEGANY-
INCLUDING THE CITY OF...WELLSVILLE
859 PM EST TUE DEC 20 2005

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

LIGHT SNOW SHOWERS WILL CONTINUE FOR MUCH OF THE REMAINDER OF THE
NIGHT...BUT ANY ADDITIONAL ACCUMULATIONS ARE EXPECTED TO BE AN
INCH OR LESS. THEREFORE...THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED.

$$

NYZ006-211000-
/O.EXT.KBUF.LE.W.0008.000000T0000Z-051221T1000Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
859 PM EST TUE DEC 20 2005

...LAKE EFFECT SNOW WARNING NOW IN EFFECT UNTIL 5 AM EST
WEDNESDAY...

THE LAKE EFFECT SNOW WARNING IS NOW IN EFFECT UNTIL 5 AM EST
WEDNESDAY. 

STEADY LAKE EFFECT SNOWS WILL CONTINUE THIS EVENING BEFORE
GRADUALLY DIMINISHING TO SCATTERED SNOW SHOWERS OVERNIGHT.
ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BEFORE THE
SNOW DIMINISHES OVERNIGHT.

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
AND OTHER RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

$$

NYZ002>005-019-020-085-211000-
/O.EXT.KBUF.WW.Y.0004.000000T0000Z-051221T1000Z/
ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-CHAUTAUQUA-CATTARAUGUS-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...MEDINA...ROCHESTER...NEWARK...
FAIR HAVEN...JAMESTOWN...OLEAN...ORCHARD PARK...SPRINGVILLE
859 PM EST TUE DEC 20 2005

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM EST
WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM EST
WEDNESDAY. 

LIGHT SNOW SHOWERS ASSOCIATED WITH A COLD FRONT CROSSING THE
REGION WILL CONTINUE FOR MUCH OF THE NIGHT...BEFORE DIMINISHING TO
SCATTERED SNOW SHOWERS OVERNIGHT. ADDITIONAL SNOWFALL AMOUNTS ARE
EXPECTED TO BE IN THE 1 TO 3 INCH RANGE BEFORE THE SNOW ENDS LATER
TONIGHT.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW... BLOWING SNOW...
SLEET... FREEZING RAIN AND WIND CHILLS. WHILE THE WEATHER WILL BE
SIGNIFICANT... THE WORD ADVISORY IMPLIES THAT SEVERE WINTER
WEATHER IS NOT ANTICIPATED. STAY TUNED TO NOAA WEATHER RADIO AND
OTHER RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

$$

JJR
000 
WWUS41 KBUF 211000
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
500 AM EST WED DEC 21 2005

NYZ006-211100-
/O.EXP.KBUF.LE.W.0008.000000T0000Z-051221T1000Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
500 AM EST WED DEC 21 2005

...LAKE EFFECT SNOW WARNING HAS EXPIRED...

THE LAKE EFFECT SNOW WARNING IS NO LONGER IN EFFECT. 

$$

NYZ002>005-019-020-085-211100-
/O.EXP.KBUF.WW.Y.0004.000000T0000Z-051221T1000Z/
ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-CHAUTAUQUA-CATTARAUGUS-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...MEDINA...ROCHESTER...NEWARK...
FAIR HAVEN...JAMESTOWN...OLEAN...ORCHARD PARK...SPRINGVILLE
500 AM EST WED DEC 21 2005

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

$$

TMA

What forecasters said that day

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

NWS Buffalo, NY wrote its last area forecast discussion before this lake effect snow advisory went out at Dec 11, 3:08 PM EST, 22 minutes earlier.

Area forecast discussion, Dec 11, 3:08 PM EST, 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
310 PM PM EST SUN DEC 11 2005

.SHORT TERM (TONIGHT THROUGH WEDNESDAY NIGHT)...

THE MESOSCALE MODELS HAVE NOT HANDLED THE SNOW WELL TODAY, WITH THE
LAKE BANDS BEING FURTHER SOUTH AND MUCH WEAKER. THE SNOW OFF LAKE
ERIE HAS EVOLVED INTO A BROADER CONVERGENT AREA MAINLY OVER SOUTHERN
ERIE COUNTY, AND THE BAND OFF LAKE ONTARIO IS SETTING UP FURTHER
SOUTH OVER JEFFERSON COUNTY INSTEAD OF OVER CANADA. WINDS SHOULD
SHIFT LATE THIS AFTERNOON AND EVENING AND MOVE THE SNOW INTO A MORE
NORTHWEST FLOW PATTERN.

OFF LAKE ERIE THE SNOW SHOULD GIVE 1 TO 4 INCHES FROM CHAUTAUQUA
COUNTY THROUGH SOUTHERN ERIE AND CATTARAUGUS COUNTIES BEFORE
CONCENTRATING ON CHAUTAUQUA COUNTY WHERE 3 TO 5 INCHES ARE EXPECTED,
MAINLY IN OROGRAPHIC CONVERGENCE OVER HIGHER TERRAIN.  SNOW IS NOT
EXPECTED TO BE MORE INTENSE BECAUSE OF WIND SHEAR.

OFF LAKE ONTARIO THE WINDS SHOW A GRADUAL SHIFT WHICH SHOULD KEEP
THE LAKE ENHANCED SNOWS MIGRATING SLOWLY INTO OSWEGO COUNTY. 1 TO 6
INCHES SHOULD FALL IN JEFFERSON AND LEWIS COUNTY, AND 3 TO 5 INCHES
IN OSWEGO COUNTY.

LAKE SNOWS SHOULD WEAKEN MONDAY MORNING IN THE PRESENCE OF
INCREASING SHEAR AND A LOWERING INVERSION.

COLD AIR WILL BE THE STORY ON TUESDAY, WITH SUN STRUGGLING TO BE
FELT AS IT REFLECTS OFF THE SNOW COVER IN THE LOW ANGLE AS WE
APPROACH THE SOLSTICE. TEMPERATURES WILL MODERATE WEDNESDAY IN A
SOUTHERLY FLOW WITH THE NEXT LOW SPREADING A CHANCE OF SNOW IN
OVERNIGHT.

&&

.LONG TERM (THURSDAY SUNDAY)...
LOW PRESSURE WILL MOVE RELATIVELY SLOWLY FROM THE UPPER MIDWEST ON
THURSDAY ACROSS THE UPPER GREAT LAKES FRIDAY AND SATURDAY AND THEN
ON TO QUEBEC ON SUNDAY.  THE SOUTHERLY FLOW AHEAD OF THE LOW WILL
BRING ENOUGH WARM AIR THAT THERE MAY BE A MIX OF RAIN AND SNOW ON
THURSDAY AND FRIDAY.  BUT THE LINGERING UPPER LOW WILL BRING A
CHANCE OF PRECIPITATION EACH DAY.

&&

.AVIATION...

A COLD FRONT WILL MOVE THROUGH WESTERN NY THIS EVENING WITH ANY LAKE
BAND DEVELOPMENT SHIFTING SOUTH OF KBUF AND TOWARD KJHW.  EXPECT
WIDESPREAD IFR CIGS BEHIND COLD FRONT CONTINUING INTO MONDAY
MORNING.  LAKE BAND DEVELOPING OVER LAKE ONTARIO WILL LIKELY REMAIN
JUST SOUTH OF WATERTOWN AND THEN ALIGN ITSELF OVER OR NEAR FULTON
AFTER THE COLD FRONT.

&&

.MARINE...

SMALL CRAFT ADVISORIES WILL REMAIN IN EFFECT ACROSS THE LAKE ERIE
AND LAKE ONTARIO NEARSHORES UNTIL WINDS AND WAVES SUBSIDE BELOW
CRITERIA. THIS IS EXPECTED TO OCCUR THIS EVENING AT THE EAST END OF
LAKE ONTARIO...OVERNIGHT ON LAKE ERIE...AND BY MONDAY MORNING ACROSS
WESTERN LAKE ONTARIO.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
.NY...LAKE SNOW ADVISORY NYZ019 4PM-10AM MONDAY
      LAKE SNOW ADVISORY NYZ006 7PM-10AM MONDAY.
      LAKE SNOW ADVISORY NYZ007-008 4PM-6AM MONDAY.
.MARINE....SCA LOZ044-045 THROUGH 10 PM TONIGHT.
           SCA LEZ040-041 THROUGH 4 AM MONDAY.
           SCA LOZ042-043 6 PM TONIGHT-6 AM MONDAY.

SHORT TERM...APB
LONG TERM...APB
AVIATION/MARINE...ZAFF
Hazardous weather outlook, Dec 11, 4:51 AM EST, 10 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
451 AM EST SUN DEC 11 2005

NYZ001>008-010>014-019>021-085-121000-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-
LEWIS-NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
451 AM EST SUN DEC 11 2005

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

.DAY ONE...TODAY AND TONIGHT

ALTHOUGH MOST OF THE REGION WILL JUST SEE SNOW SHOWERS TODAY AHEAD
OF AN APPROACHING COLD FRONT WITH LITTLE ACCUMULATION...THE
SOUTHWEST FLOW AHEAD OF THE FRONT WILL BE COLD ENOUGH AND MOIST
ENOUGH TO RESULT IN SOME LOCALLY HEAVY LAKE SNOWS NORTHEAST OF
LAKE ERIE ACROSS BUFFALOS NORTHERN SUBURBS AND UP INTO NIAGARA
COUNTY. LOCAL ACCUMULATIONS OF AS MUCH AS 4 TO 8 INCHES ARE
POSSIBLE IN THIS AREA. A LAKE EFFECT SNOW ADVISORY HAS BEEN
ISSUED UNTIL 5 PM FOR NORTHERN ERIE AND NIAGARA COUNTIES.

LAKE SNOWS WILL ALSO DEVELOP TONIGHT SOUTHEAST OF THE LAKES IN THE
MORE TYPICAL SNOWBELT LOCATIONS. SEVERAL INCHES ARE POSSIBLE BUT
NO HEADLINES HAVE BEEN ISSUED AS OF YET.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

.SPOTTER INFORMATION STATEMENT...

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 THE FOLLOWING (LOWER
CASE): HTTP://WWW.WEATHER.GOV/BUF

LEZ020-040-041-061-LOZ042>045-062>065-SLZ022-024-121000-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LAKE ERIE OPEN WATERS FROM RIPLEY TO BUFFALO-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN
BEACH-
LAKE ONTARIO NEARSHORE WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO NEARSHORE WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO NEARSHORE WATERS FROM MEXICO BAY TO THE SAINT
LAWRENCE RIVER-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO OPEN WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE
RIVER-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
451 AM EST SUN DEC 11 2005

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

.DAY ONE...TODAY AND TONIGHT

SMALL CRAFT ADVISORIES CONTINUE IN EFFECT TODAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

.SPOTTER INFORMATION STATEMENT...

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 THE FOLLOWING (LOWER
CASE): HTTP://WWW.WEATHER.GOV/BUF

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 4:36 AM ESTLake Effect Snow AdvisoryBUFErie, Niagara11 hr

Nearby

Lake Effect Snow Advisories in New York, 2005Every lake effect snow advisory in 2005

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.