Alert archive / New York / Lake Effect Snow Advisories in 2007

Lake Effect Snow Advisory 21, NWS Buffalo, NY

November 5, 20075 counties in New York

NWS Buffalo, NY issued this lake effect snow advisory at Nov 5, 2007, 3:41 PM EST for 5 counties in New York. It took effect at Nov 6, 2007, 6:00 AM EST. It was in force for 88 min.

The area

The counties it named.

The facts

Issued
Nov 5, 2007, 3:41 PM EST (20:41 UTC)
In effect from
Nov 6, 2007, 6:00 AM EST
Expired
Nov 6, 2007, 7:28 AM EST
In force
88 min
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 20:40 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, 8.7 hours before the alert went out and 53 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 2007-11-05Temperature 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 2007-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.19395878Sfc1 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
913 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
147 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 052041
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
341 PM EST MON NOV 5 2007

...FIRST LAKE EFFECT SNOW OF THE SEASON...

.A COLD FRONT WILL MOVE ACROSS THE STATE TONIGHT...USHERING THE
THE COLDEST AIRMASS OF THE SEASON. LAKE EFFECT RAIN WILL DEVELOP
BEHIND THE COLD FRONT OVERNIGHT EAST OF LAKE ERIE...WITH ACTIVITY
INTENSIFYING DURING THE DAY AND MOVING NORTH TO THE SOUTHTOWNS.
THE SNOW LEVEL WILL INITIALLY BE HIGH ENOUGH SUCH THAT ONLY THE
HIGHEST ELEVATIONS WILL SEE SNOW DURING THE MORNING.
HOWEVER...WITH A PROGRESSIVELY COLDER AIRMASS MOVING INTO WESTERN
NY...THE SNOW LEVEL WILL DROP TO ABOUT 1000 FEET BY TUESDAY
AFTERNOON OR EARLY EVENING. THIS BRINGS THE SNOW DOWN TO A LEVEL
NEAR THE SOUTHTOWNS WITH RAIN SHOWERS AND THUNDERSTORMS FOR THE
REMAINDER OF THE BUFFALO METRO AREA. THE BAND WILL THEN DROP BACK TO
THE SOUTH AND AFFECT A GOOD PORTION OF THE WESTERN SOUTHERN TIER
AGAIN TUESDAY NIGHT.

LAKE EFFECT RAIN AND SNOW ARE ALSO EXPECTED DOWNWIND OF LAKE
ONTARIO...ALTHOUGH THE MAIN BAND FROM THIS LAKE IS NOT EXPECTED TO
DEVELOP UNTIL LATER TUESDAY AFTERNOON.

NYZ012-019>021-085-060445-
/O.NEW.KBUF.LE.Y.0021.071106T1100Z-071107T1100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
341 PM EST MON NOV 5 2007

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EST
WEDNESDAY. OVERALL...THE HIGHEST ELEVATIONS SHOULD BE ABLE TO SEE
5 TO 7 INCHES OF SNOW...WITH LESS SNOW AT ELEVATIONS NEAR 1000
FEET. IF THE ATMOSPHERE TURNS OUT TO BE COOLER THAN CURRENT MODEL
FORECASTS...SIGNIFICANTLY MORE SNOW WILL BE POSSIBLE.

IF YOU WILL BE TRAVELING ACROSS THE REGION ON TUESDAY...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.

$$

NYZ006>008-060445-
/O.NEW.KBUF.LE.A.0013.071106T2300Z-071107T2300Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
341 PM EST MON NOV 5 2007

...LAKE EFFECT SNOW WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WATCH...WHICH IS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY AFTERNOON. 

A LAKE EFFECT BAND OF RAIN IS EXPECTED TO DEVELOP TUESDAY
AFTERNOON...AND CONTINUE THROUGH THE NIGHT. THERE IS THE POTENTIAL
THAT SIGNIFICANT SNOWFALL MAY DEVELOP ACROSS ELEVATIONS ABOVE
ABOUT 1000 FEET TUESDAY NIGHT...LASTING THROUGH WEDNESDAY. THIS
MEANS THAT THE PRIMARY AREA OF CONCERN WOULD BE FOR RESIDENTS AND
TRAVELERS ON THE TUG HILL.  

A LAKE EFFECT SNOW WATCH MEANS THAT SIGNIFICANT WINTER
WEATHER IS POSSIBLE IN LOCALIZED AREAS WITHIN THE NEXT 36 HOURS.
STAY TUNED TO NOAA WEATHER RADIO AND OTHER RADIO AND TV STATIONS
FOR FURTHER DETAILS OR UPDATES.

$$

ZAFF
4 follow-up statements
000 
WWUS41 KBUF 060250
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
950 PM EST MON NOV 5 2007

...FIRST LAKE EFFECT SNOW OF THE SEASON...

.A COLD FRONT WILL MOVE ACROSS THE STATE TONIGHT...USHERING THE
THE COLDEST AIRMASS OF THE SEASON. LAKE EFFECT RAIN WILL DEVELOP
BEHIND THE COLD FRONT OVERNIGHT EAST OF LAKE ERIE...WITH ACTIVITY
INTENSIFYING DURING THE DAY AND MOVING NORTH TO THE SOUTHTOWNS.
THE SNOW LEVEL WILL INITIALLY BE HIGH ENOUGH SUCH THAT ONLY THE
HIGHEST ELEVATIONS WILL SEE SNOW DURING THE MORNING. HOWEVER...
WITH A PROGRESSIVELY COLDER AIRMASS MOVING INTO WESTERN NY...THE
SNOW LEVEL WILL DROP TO ABOUT 1000 FEET BY TUESDAY AFTERNOON OR
EARLY EVENING. THIS BRINGS THE SNOW DOWN TO A LEVEL NEAR THE
SOUTHTOWNS WITH RAIN SHOWERS AND THUNDERSTORMS FOR THE REMAINDER
OF THE BUFFALO METRO AREA. THE BAND WILL THEN DROP BACK TO THE
SOUTH AND AFFECT A GOOD PORTION OF THE WESTERN SOUTHERN TIER
AGAIN TUESDAY NIGHT.

LAKE EFFECT RAIN AND SNOW ARE ALSO EXPECTED DOWNWIND OF LAKE
ONTARIO...ALTHOUGH THE MAIN BAND FROM THIS LAKE IS NOT EXPECTED
TO DEVELOP UNTIL TUESDAY EVENING.

NYZ012-019>021-085-061100-
/O.CON.KBUF.LE.Y.0021.071106T1100Z-071107T1100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
950 PM EST MON NOV 5 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY
TO 6 AM EST WEDNESDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY
TO 6 AM EST WEDNESDAY. 

A BAND OF LAKE EFFECT PRECIPITATION WILL DEVELOP BY DAYBREAK
ACROSS THE SOUTHERN TIER. IT WILL INTENSIFY AS IT GRADUALLY LIFTS
NORTHWARD DURING TUESDAY...REACHING THE SOUTH TOWNS BY MIDDAY AND
THE BUFFALO METRO AREA BY EARLY TO MID AFTERNOON. IT WILL REMAIN IN
PLACE UNTIL A SECONDARY COLD FRONT PUSHES IT SOUTH AGAIN DURING
THE EARLY TO MID EVENING.

THE PRECIPITATION TYPE SHOULD BE MAINLY RAIN NEAR THE LAKESHORE
AND AT LOWER ELEVATIONS...BUT HEAVY WET SNOW ABOVE ABOUT 1000 TO
1500 FEET. AS MUCH AS 5 TO 9 INCHES MAY ACCUMULATE IN THE HIGHEST
ELEVATIONS...MOST LIKELY OVER SKI COUNTRY THROUGH TUESDAY NIGHT. A FEW
INCHES ARE POSSIBLE OVER THE SOUTH TOWNS...BUT THE IMMEDIATE
BUFFALO AREA SHOULD SEE LITTLE OR NO ACCUMULATION WITH PERHAPS
SOME WET SNOW MIXING WITH THE RAIN.

THUNDER AND LIGHTNING MAY ACCOMPANY THE BAND...ESPECIALLY WHEN IT
IS MOST INTENSE DURING THE AFTERNOON AND EARLY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION ON TUESDAY...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.

$$

NYZ006>008-061100-
/O.CON.KBUF.LE.A.0013.071106T2300Z-071107T2300Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
950 PM EST MON NOV 5 2007

...LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM TUESDAY EVENING
THROUGH WEDNESDAY AFTERNOON...

A LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM TUESDAY EVENING
THROUGH WEDNESDAY AFTERNOON. 

A LAKE EFFECT BAND OF RAIN IS EXPECTED TO DEVELOP TUESDAY
AFTERNOON...AND CONTINUE THROUGH THE NIGHT. THERE IS THE
POTENTIAL THAT SIGNIFICANT SNOWFALL MAY DEVELOP ACROSS ELEVATIONS
ABOVE ABOUT 1000 FEET LATE TUESDAY NIGHT...LASTING THROUGH
WEDNESDAY. THIS MEANS THAT THE PRIMARY AREA OF CONCERN WOULD BE
FOR RESIDENTS AND TRAVELERS ON THE TUG HILL.

A LAKE EFFECT SNOW WATCH MEANS THAT SIGNIFICANT WINTER WEATHER IS
POSSIBLE IN LOCALIZED AREAS WITHIN THE NEXT 36 HOURS. STAY TUNED
TO NOAA WEATHER RADIO AND OTHER RADIO AND TV STATIONS FOR FURTHER
DETAILS OR UPDATES.

$$

SFM
000 
WWUS41 KBUF 060839
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
339 AM EST TUE NOV 6 2007

...FIRST LAKE EFFECT SNOW OF THE SEASON...

.COLD AIR CROSSING THE GREAT LAKES WILL BRING BANDS OF HEAVY RAIN
AND SNOW TODAY. LAKE EFFECT PRECIPITATION EAST OF LAKE ERIE WILL
INTENSIFY TODAY AND MOVE NORTH TO THE SOUTH TOWNS. THE SNOW LEVEL
WILL INITIALLY BE HIGH ENOUGH SUCH THAT ONLY THE HIGHEST
ELEVATIONS WILL SEE SNOW DURING THE MORNING. HOWEVER... WITH
PROGRESSIVELY COLDER AIR, THE SNOW LEVEL WILL DROP TO ABOUT 1000
FEET BY TUESDAY AFTERNOON OR EARLY EVENING. THIS BRINGS THE SNOW
DOWN TO A LEVEL NEAR THE SOUTH TOWNS WITH RAIN SHOWERS AND
THUNDERSTORMS FOR THE REMAINDER OF THE BUFFALO METRO AREA. THE
BAND WILL THEN DROP BACK TO THE SOUTH AND AFFECT A GOOD PORTION OF
THE WESTERN SOUTHERN TIER AGAIN TUESDAY NIGHT.

LAKE EFFECT RAIN AND SNOW ARE ALSO EXPECTED DOWNWIND OF LAKE
ONTARIO...ALTHOUGH THE MAIN BAND FROM THIS LAKE IS NOT EXPECTED
TO DEVELOP UNTIL THIS EVENING.

NYZ021-060945-
/O.CAN.KBUF.LE.Y.0021.071106T1100Z-071107T1100Z/
ALLEGANY-
INCLUDING THE CITY OF...WELLSVILLE
339 AM EST TUE NOV 6 2007

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

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

THE HEAVY SNOW IS EXPECTED TO REMAIN NORTH AND WEST OF ALLEGANY
COUNTY...WITH ONLY AN INCH OR SO ACCUMULATION EXPECTED TODAY AND
ANOTHER 1 TO 2 INCHES TONIGHT.

$$

NYZ012-019-020-085-061645-
/O.CON.KBUF.LE.Y.0021.071106T1100Z-071107T1100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
339 AM EST TUE NOV 6 2007

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

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

A BAND OF LAKE EFFECT PRECIPITATION WILL DEVELOP BY DAYBREAK
ACROSS THE SOUTHERN TIER. IT WILL INTENSIFY AS IT GRADUALLY LIFTS
NORTH DURING TODAY...REACHING THE SOUTH TOWNS BY MIDDAY AND THE
BUFFALO METRO AREA BY EARLY TO MID AFTERNOON. IT WILL REMAIN IN
PLACE UNTIL SHIFTING WINDS PUSH IT SOUTH AGAIN DURING THE EARLY
TO MID EVENING.

THE PRECIPITATION TYPE SHOULD BE MAINLY RAIN NEAR THE LAKE ERIE
SHORE AND AT LOWER ELEVATIONS...BUT HEAVY WET SNOW ABOVE ABOUT
1000 TO 1500 FEET. AS MUCH AS 8 INCHES MAY ACCUMULATE IN THE
HIGHEST ELEVATIONS...MOST LIKELY OVER SKI COUNTRY AND THE
CHAUTAUQUA RIDGE THROUGH TUESDAY NIGHT. A FEW INCHES ARE POSSIBLE
OVER THE SOUTH TOWNS...BUT THE IMMEDIATE BUFFALO AREA SHOULD SEE
LITTLE OR NO ACCUMULATION WITH PERHAPS SOME WET SNOW MIXING WITH
THE RAIN.

THUNDER AND LIGHTNING MAY ACCOMPANY THE BAND...ESPECIALLY WHEN IT
IS MOST INTENSE DURING THE AFTERNOON AND EARLY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION TO DAY AND TONIGHT...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.

$$

NYZ006>008-061645-
/O.CON.KBUF.LE.A.0013.071106T2300Z-071107T2300Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
339 AM EST TUE NOV 6 2007

...LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

A LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM THIS EVENING
THROUGH WEDNESDAY AFTERNOON. 

A LAKE EFFECT BAND OF RAIN IS EXPECTED TO DEVELOP THIS
AFTERNOON...AND CONTINUE THROUGH THE NIGHT. THERE IS THE POTENTIAL
THAT SIGNIFICANT SNOWFALL MAY DEVELOP ACROSS ELEVATIONS ABOVE
ABOUT 1000 FEET TONIGHT...LASTING THROUGH WEDNESDAY. THIS MEANS
THAT THE PRIMARY AREA OF CONCERN WOULD BE FOR RESIDENTS AND
TRAVELERS ON THE TUG HILL.

A LAKE EFFECT SNOW WATCH MEANS THAT SIGNIFICANT WINTER WEATHER IS
POSSIBLE IN LOCALIZED AREAS WITHIN THE NEXT 36 HOURS. STAY TUNED
TO NOAA WEATHER RADIO AND OTHER RADIO AND TV STATIONS FOR FURTHER
DETAILS OR UPDATES.

$$
000 
WWUS41 KBUF 061224
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
724 AM EST TUE NOV 6 2007

...FIRST LAKE EFFECT SNOW OF THE SEASON...

.COLD AIR CROSSING THE GREAT LAKES WILL BRING NARROW BANDS OF
HEAVY SNOW TO THE REGION EAST OF LAKE ERIE TODAY. LAKE EFFECT
PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS NORTHERN CHAUTAUQUA
WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD AS FAR NORTH AS THE
SOUTHERN SUBURBS OF BUFFALO. 

OFF LAKE ONTARIO LAKE EFFECT PRECIPITATION WILL DEVELOP THIS
EVENING AND EFFECT THE TUG HILL PLATEAU.

NYZ012-019-020-085-062030-
/O.UPG.KBUF.LE.Y.0021.000000T0000Z-071107T1100Z/
/O.NEW.KBUF.LE.W.0012.071106T1224Z-071107T1100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
724 AM EST TUE NOV 6 2007

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 6 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT UNTIL 6 AM EST WEDNESDAY. THE
LAKE EFFECT SNOW ADVISORY IS NO LONGER IN EFFECT. 

LAKE EFFECT PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS
NORTHERN CHAUTAUQUA WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD
AS FAR NORTH AS THE SOUTHERN SUBURBS OF BUFFALO. SNOWFALL RATES OF
2 INCHES AN HOUR WILL BE ACCOMPANIED BY LIGHTNING AND THUNDER AT
TIMES. 

AS THE AFTERNOON PROGRESSES THE SNOWBAND IS FORECAST TO
MOVE TO SOUTH BUFFALO AND CONTINUE TO PRODUCE HEAVY SNOWFALL RATES
THROUGH THE EVENING. AFTER 7PM THE BAND WILL MOVE SOUTH ACROSS
CHAUTAUQUA CATTARAUGUS AND SOUTHERN WYOMING COUNTIES.

TRAVEL WILL BECOME VERY TREACHEROUS ACROSS THE REGION AS THE DAY
PROGRESSES. THE HEAVY WET SNOW COULD ALSO BRING DOWN TREE LIMBS
THAT ARE STILL LEAFED OUT. THIS COULD LEAD TO POWER OUTAGES AS
LINES ARE BROUGHT DOWN BY THE TREE LIMBS. 

CLOSER TO LAKE ERIE TEMPERATURES WILL BE A BIT WARMER AND KEEP
MOST OF THE PRECIPITATION IN THE FORM OF SNOW. HOWEVER, FOR THE
REST OF THE AREA, AS MUCH AS 6 TO 12 INCHES OF NEW SNOW COULD
ACCUMULATE BY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION TODAY AND TONIGHT...
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. IF YOU LOSE POWER AND NEED TO
USE YOUR PORTABLE GENERATOR REMEMBER TO FOLLOW ALL OF THE SAFETY
RULES TO ENSURE THAT YOU DO NOT BECOME A VICTIM OF CARBON MONOXIDE
POISONING. 

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.

$$

NYZ010-011-062030-
/O.NEW.KBUF.LE.Y.0022.071106T1224Z-071107T1100Z/
NORTHERN ERIE-GENESEE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA
724 AM EST TUE NOV 6 2007

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

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

LAKE EFFECT PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS
NORTHERN CHAUTAUQUA WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD
AS FAR NORTH AS THE SOUTHERN SUBURBS OF BUFFALO. SNOWFALL RATES OF
2 INCHES AN HOUR WILL BE ACCOMPANIED BY LIGHTNING AND THUNDER AT
TIMES.

AS THE AFTERNOON PROGRESSES THE SNOWBAND IS FORECAST TO
MOVE TO SOUTH BUFFALO AND CONTINUE TO PRODUCE HEAVY SNOWFALL RATES
THROUGH THE EVENING. AFTER 7PM THE BAND WILL MOVE SOUTH ACROSS
CHAUTAUQUA CATTARAUGUS AND SOUTHERN WYOMING COUNTIES.

CLOSER TO LAKE ERIE TEMPERATURES WILL BE A BIT WARMER AND KEEP
MOST OF THE PRECIPITATION IN THE FORM OF SNOW. HOWEVER, FOR THE
REST OF THE AREA, AS MUCH AS 5 TO 7 INCHES OF NEW SNOW COULD
ACCUMULATE BY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION TODAY AND TONIGHT...
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. 

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.

$$

NYZ006>008-062030-
/O.CON.KBUF.LE.A.0013.071106T2300Z-071107T2300Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
724 AM EST TUE NOV 6 2007

...LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM 6 PM EST THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

A LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM 6 PM EST THIS
EVENING THROUGH WEDNESDAY AFTERNOON. 

A LAKE EFFECT BAND OF RAIN IS EXPECTED TO DEVELOP THIS
AFTERNOON...AND CONTINUE THROUGH THE NIGHT. THERE IS THE
POTENTIAL THAT SIGNIFICANT SNOWFALL MAY DEVELOP ACROSS ELEVATIONS
ABOVE ABOUT 1000 FEET TONIGHT...LASTING THROUGH WEDNESDAY. THIS
MEANS THAT THE PRIMARY AREA OF CONCERN WOULD BE FOR RESIDENTS AND
TRAVELERS ON THE TUG HILL.

A LAKE EFFECT SNOW WATCH MEANS THAT SIGNIFICANT WINTER WEATHER IS
POSSIBLE IN LOCALIZED AREAS WITHIN THE NEXT 36 HOURS. STAY TUNED
TO NOAA WEATHER RADIO AND OTHER RADIO AND TV STATIONS FOR FURTHER
DETAILS OR UPDATES.

$$
000 
WWUS41 KBUF 061228 CCA
WSWBUF

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE BUFFALO NY
727 AM EST TUE NOV 6 2007

...FIRST LAKE EFFECT SNOW OF THE SEASON...

.COLD AIR CROSSING THE GREAT LAKES WILL BRING NARROW BANDS OF
HEAVY SNOW TO THE REGION EAST OF LAKE ERIE TODAY. LAKE EFFECT
PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS NORTHERN CHAUTAUQUA
WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD AS FAR NORTH AS THE
SOUTHERN SUBURBS OF BUFFALO. 

OFF LAKE ONTARIO LAKE EFFECT PRECIPITATION WILL DEVELOP THIS
EVENING AND EFFECT THE TUG HILL PLATEAU.

NYZ012-019-020-085-062045-
/O.UPG.KBUF.LE.Y.0021.000000T0000Z-071107T1100Z/
/O.COR.KBUF.LE.W.0012.071106T1227Z-071107T1100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
727 AM EST TUE NOV 6 2007

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 6 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT UNTIL 6 AM EST WEDNESDAY. THE
LAKE EFFECT SNOW ADVISORY IS NO LONGER IN EFFECT. 

LAKE EFFECT PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS
NORTHERN CHAUTAUQUA WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD
AS FAR NORTH AS THE SOUTHERN SUBURBS OF BUFFALO. SNOWFALL RATES OF
2 INCHES AN HOUR WILL BE ACCOMPANIED BY LIGHTNING AND THUNDER AT
TIMES. 

AS THE AFTERNOON PROGRESSES THE SNOWBAND IS FORECAST TO
MOVE TO SOUTH BUFFALO AND CONTINUE TO PRODUCE HEAVY SNOWFALL RATES
THROUGH THE EVENING. AFTER 7PM THE BAND WILL MOVE SOUTH ACROSS
CHAUTAUQUA CATTARAUGUS AND SOUTHERN WYOMING COUNTIES.

TRAVEL WILL BECOME VERY TREACHEROUS ACROSS THE REGION AS THE DAY
PROGRESSES. THE HEAVY WET SNOW COULD ALSO BRING DOWN TREE LIMBS
THAT ARE STILL LEAFED OUT. THIS COULD LEAD TO POWER OUTAGES AS
LINES ARE BROUGHT DOWN BY THE TREE LIMBS. 

CLOSER TO LAKE ERIE TEMPERATURES WILL BE A BIT WARMER AND KEEP
MOST OF THE PRECIPITATION IN THE FORM OF RAIN. HOWEVER, FOR THE
REST OF THE AREA, AS MUCH AS 6 TO 12 INCHES OF NEW SNOW COULD
ACCUMULATE BY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION TODAY AND TONIGHT...
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. IF YOU LOSE POWER AND NEED TO
USE YOUR PORTABLE GENERATOR REMEMBER TO FOLLOW ALL OF THE SAFETY
RULES TO ENSURE THAT YOU DO NOT BECOME A VICTIM OF CARBON MONOXIDE
POISONING. 

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.

$$

NYZ010-011-062045-
/O.COR.KBUF.LE.Y.0022.071106T1227Z-071107T1100Z/
NORTHERN ERIE-GENESEE-
INCLUDING THE CITIES OF...BUFFALO...BATAVIA
727 AM EST TUE NOV 6 2007

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

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

LAKE EFFECT PRECIPITATION WILL INTENSIFY THIS MORNING ACROSS
NORTHERN CHAUTAUQUA WYOMING AND SOUTHERN ERIE COUNTIES AND SPREAD
AS FAR NORTH AS THE SOUTHERN SUBURBS OF BUFFALO. SNOWFALL RATES OF
2 INCHES AN HOUR WILL BE ACCOMPANIED BY LIGHTNING AND THUNDER AT
TIMES.

AS THE AFTERNOON PROGRESSES THE SNOWBAND IS FORECAST TO
MOVE TO SOUTH BUFFALO AND CONTINUE TO PRODUCE HEAVY SNOWFALL RATES
THROUGH THE EVENING. AFTER 7PM THE BAND WILL MOVE SOUTH ACROSS
CHAUTAUQUA CATTARAUGUS AND SOUTHERN WYOMING COUNTIES.

CLOSER TO LAKE ERIE TEMPERATURES WILL BE A BIT WARMER AND KEEP
MOST OF THE PRECIPITATION IN THE FORM OF RAIN. HOWEVER, FOR THE
REST OF THE AREA, AS MUCH AS 5 TO 7 INCHES OF NEW SNOW COULD
ACCUMULATE BY EVENING.

IF YOU WILL BE TRAVELING ACROSS THE REGION TODAY AND TONIGHT...
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. 

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.

$$

NYZ006>008-062045-
/O.CON.KBUF.LE.A.0013.071106T2300Z-071107T2300Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
727 AM EST TUE NOV 6 2007

...LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM 6 PM EST THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

A LAKE EFFECT SNOW WATCH REMAINS IN EFFECT FROM 6 PM EST THIS
EVENING THROUGH WEDNESDAY AFTERNOON. 

A LAKE EFFECT BAND OF RAIN IS EXPECTED TO DEVELOP THIS
AFTERNOON...AND CONTINUE THROUGH THE NIGHT. THERE IS THE
POTENTIAL THAT SIGNIFICANT SNOWFALL MAY DEVELOP ACROSS ELEVATIONS
ABOVE ABOUT 1000 FEET TONIGHT...LASTING THROUGH WEDNESDAY. THIS
MEANS THAT THE PRIMARY AREA OF CONCERN WOULD BE FOR RESIDENTS AND
TRAVELERS ON THE TUG HILL.

A LAKE EFFECT SNOW WATCH MEANS THAT SIGNIFICANT WINTER WEATHER IS
POSSIBLE IN LOCALIZED AREAS WITHIN THE NEXT 36 HOURS. STAY TUNED
TO NOAA WEATHER RADIO AND OTHER RADIO AND TV STATIONS FOR FURTHER
DETAILS OR UPDATES.

$$

What forecasters said that day

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

NWS Buffalo, NY wrote its last area forecast discussion before this lake effect snow advisory went out at Nov 5, 3:41 PM EST, 0 minutes earlier.

Area forecast discussion, Nov 5, 3:41 PM EST, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
341 PM EST MON NOV 5 2007

.SYNOPSIS...
LOW PRESSURE WILL PASS TO THE NORTH OF THE GREAT LAKES AND SWING A
STRONG COLD FRONT ACROSS THE REGION THIS EVENING. THE COLDEST AIR OF
THE SEASON WILL FOLLOW ON TUESDAY AND PERSIST THROUGH THURSDAY,
WHICH WILL RESULT IN THE FIRST LAKE EFFECT SNOWS OF THE SEASON TO
SOME AREAS TO THE EAST OF THE GREAT LAKES.

&&

.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
STRONG COLD FRONT TO CROSS THE REGION TONIGHT BETWEEN 03Z AND 09Z
/10PM THRU 4AM/ WITH NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
BUFKIT PROFILES SHOW A DEEP OMEGA FIELD FROM THE BOUNDARY LAYER
THROUGH 400MB CUTTING THROUGH THE SNOW GROWTH REGION...THUS
SUPPORTING THE CHANCE OF THUNDERSTORMS. PROFILES ARE ALSO SATURATED
TO 25KFT WITH A NEARLY UNIFORM LAPSE RATE AROUND 6C/KM. QPF TONIGHT
WILL BE ABOUT A HALF INCH GIVE OR TAKE A COUPLE OF HUNDREDTHS. THE
COLDER AIR FOLLOWING THE FRONT WILL BE COLD ENOUGH TO ESTABLISH A
LAKE EFFECT BAND OFF LAKE ERIE EARLY TUESDAY MORNING AND THE DYNAMIC
COOLING FROM ALOFT WILL LIKELY MIX THE SNOW DOWN THE HILLTOPS OF THE
SOUTHERN TIER BEFORE DAYBREAK...WITH AN INCH OR SO POSSIBLY
OVERNIGHT. THE COLDEST AIR WILL BE SOUTHWEST OF THE FORECAST AREA
AND THE PRECIP EAST OF LAKE ONTARIO WILL REMAIN AS RAIN...ALTHOUGH
SOME WET SNOW IS NOT OUT OF THE QUESTION FOR THE TOP OF THE TUG
HILL PLATEAU.

&&

.SHORT TERM /6 AM TUESDAY MORNING THROUGH THURSDAY/...
THE SURFACE AND UPPER LOW WILL PASS TO THE NORTH OF LAKE ONTARIO ON
TUESDAY. THIS LOW SHOWS TO BE ABOUT 2-3 STANDARD DEVIATIONS BELOW
NORMAL AT BOTH 850MB AND 500MB...QUITE STRONG FOR THIS TIME OF YEAR.
COLDER AIR WRAPPING SOUTH AND THEN EAST OF THE LOW WILL BRING 850MB
TEMPS OF -5C TO -6C ACROSS LAKE ERIE EARLY IN THE DAY...SETTING UP A
WELL DEFINED LAKE EFFECT PRECIP BAND ACROSS THE WESTERN NY COUNTIES.
GOING MOSTLY WITH THE 12Z NAM...THE BAND WILL START OVER THE
CHAUTAUQUA RIDGE EAST OF THE LAKE BETWEEN 12Z AND 15Z /7AM TO 10 AM/
AND THEN REOREIENT TO THE BUFFALO SOUTHTOWNS FROM 18Z TO 21Z /1PM TO
4PM/. FORECAST PROFILES SHOW THAT THE LINE BETWEEN RAIN AND SNOW
WILL BE ELEVATION DEPENDENT. THE ELEVATIONS ABOVE 1000FT MSL WILL
LIKELY SEE THE ACCUMULATING SNOW AND LOWER ELEVATIONS WILL LIKELY
REMAIN AS RAIN. THE BUFFALO METRO AREA WILL SEE MORE IN THE WAY OF
DRIVING RAIN IN THE HEAVIER REGIONS OF THE LAKE EFFECT BAND...WITH
THE RAIN SNOW MIX QUICKLY CHANGING TO ALL SNOW AS ONE GOES FARTHER
SOUTH AND HIGHER IN ELEVATION ACROSS SOUTHERN ERIE COUNTY TOWARD THE
SOUTHERN TIER COUNTIES. THE BAND WILL SHIFT TO THE SOUTH AGAIN AFTER
00Z /7PM/ AND IMPACT THE  HIGHER TERRAIN OF WYOMING...SOUTHERN ERIE
AND THE REST OF THE SOUTHERN TIER THROUGH MIDNIGHT. A SHIFT IN WINDS
TO WEST AND THEN NORTHWEST WILL BRING THE FOCUS OF THE LAKE EFFECT
TO CHAUTAUQUA AND WESTERN CATTARAUGUS COUNTIES LATER TUESDAY NIGHT
THROUGH WEDNESDAY MORNING.

THE EASTERN LAKE ONTARIO REGION WILL BE LATER TO APPRECIATE THE LAKE
EFFECT AND THE PROXIMITY OF THE SURFACE LOW WILL INITIALLY PRODUCE
TOO MUCH LOW LEVEL SHEAR FOR A CONCENTRATED LAKE EFFECT BAND TO
BECOME ESTABLISHED. WILL HAVE A LAKE SNOW WATCH FOR THE THREE
EASTERN LAKE ONTARIO COUNTIES TUESDAY NIGHT THROUGH WEDNESDAY WITH
THE BEST ALIGNMENT OF PARAMETERS TO BE AROUND 12Z /7AM/ WED THROUGH
THE EVENING HOURS. THE LAKE BAND WILL INITIALLY IMPACT THE TUG HILL
PLATEAU...THEN WILL SETTLE TO THE SOUTH AND REACH THE SOUTHEASTERN
CORNER OF THE LAKE ON WED NIGHT AND EARLY THURSDAY.

WINDS WILL BACK TO SOUTHWESTERLY ON THURSDAY AND WILL BRING AN END
TO THE LAKE EFFECT...BUT CLOUDY SKIES AND A WEAK TROUGH ALOFT WILL
MAINTAIN THE CHANCE OF PRECIP...MAINLY IN THE FORM OF SCATTERED SNOW
SHOWERS.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
THURSDAY NIGHT WILL BEGIN WITH A LONGWAVE RIDGE FIRMLY IN PLACE
OVER MUCH OF THE WESTERN US WITH A TROUGH OVER THE EASTERN US. ONE
LAST SHORT WAVE IS EXPECTED TO MOVE THROUGH ON FRIDAY BEFORE THE
WESTERN RIDGE MOVES IN TO THE EASTERN US FOR THE WEEKEND...KEEPING
THE WEATHER OVER WESTERN NY DRY. SOUTHERLY FLOW WILL BEGIN TO PICK
UP ON MONDAY. THE GFS IS PROBABLY OVERDONE WITH THE INTENSITY AND
PLACEMENT OF THE NEXT MIDWEST LOW...WITH THE GEFS KEEPING THE
SYSTEM FURTHER WEST AND THE ECMWF MUCH FURTHER NORTH. THERE IS
ENOUGH UNCERTAINTY TO LARGE SCALE FEATURES TO KEEP A CHANCE OF
SHOWER IN THE FORECAST.

&&

.AVIATION /21Z MONDAY THROUGH SATURDAY/...
NARROW BAND OF PRECIPITATION WILL PROGRESS EASTWARD ACROSS WESTERN
NY BETWEEN 18Z AND 22Z WITH ABOUT AN HOUR OR SO PRECIPITATION.
THEN A BREAK WITH WINDS INCREASING DURING THE REMAINDER OF THE
AFTERNOON AHEAD OF AN APPROACHING COLD FRONT. RADAR RETURNS
UPSTREAM FAIRLY QUIET AT 18Z BUT RAPIDLY COOLING CLOUD TOPS OVER
THE OH VALLEY ARE ASSOCIATED WITH A STRONG UPPER LEVEL JET. THUS
EXPECT PRECIPITATION TO DEVELOP QUICKLY AND OVERSPREAD ALL OF
WESTERN NY EARLY THIS EVENING. PRECIPITATION AND MVFR CONDITIONS
ARE EXPECTED...WITH A LONGER DURATION AND MORE PRECIPITATION
TOWARD THE EASTERN END OF LAKE ONTARIO OVERNIGHT AS THE COLD FRONT
SLOWS ITS EASTWARD PROGRESSION THROUGH THE STATE.

THEN ON TUESDAY...RAPID LAKE EFFECT DEVELOPMENT EXPECTED EAST OF
LAKE ERIE BY DAYBREAK...BECOMING MORE DEFINED AS AN INTENSE SINGLE
SOUTHWEST-NORTHEAST ORIENTED BAND HEADING NORTH TOWARD...BUT NOT
QUITE TO BUFFALO BY 18Z. LOCALLY HEAVY RAIN AND LOWERING SNOW
LEVELS WILL OCCUR WITHIN THE BAND...WITH THE SNOW LEVEL NEARING
2000FT BY THE 18Z. THUNDERSTORMS SHOULD BE ANTICIPATED WITHIN THE
BAND.

AFTER 18Z...THE SNOW LEVEL WILL CONTINUE TO DROP TO ABOUT 1000FT
BY OR AFTER NIGHTFALL...AND THE BAND WILL HEAD SOUTH AND
EVENTUALLY AFFECT PRIMARILY AREAS SOUTH OF THE SOUTHTOWNS. LIFR
CONDITIONS SHOULD BE EXPECTED WITHIN THE BAND...WITH VFR OR MVFR
CONDITIONS ELSEWHERE.

EAST OF LAKE ONTARIO...EXPECT A LAKE BAND TO DEVELOP AFTER ABOUT
18Z WITH A SIMILAR SCENARIO PLAYING OUT.

&&

.MARINE...
A COLD FRONT WILL SWEEP ACROSS THE STATE TONIGHT A COLD AIRMASS
ALOFT IN ITS WAKE. THE RELATIVELY WARM WATERS BELOW THE COLD
AIRMASS WILL ALLOW THE ATMOSPHERE TO BE WELL MIXED. THE SURFACE
LOW ASSOCIATED WITH THIS FEATURE IS OVER THE NORTHERN GREAT LAKES
THIS AFTERNOON...AND WILL EVENTUALLY HEAD SOUTHEAST TOWARD
SOUTHERN ONTARIO BY TUESDAY AFTERNOON. THE STRONG GRADIENT AND
WELL MIXED ATMOSPHERE WILL ALLOW FOR GALE FORCE WINDS TO DEVELOP
LATE TONIGHT BEHIND THE COLD FRONT...CONTINUING THROUGH TUESDAY
EVENING. WAVE HEIGHTS WILL EXCEED 10 FEET OVER PORTIONS OF BOTH
LAKE ERIE AND LAKE ONTARIO DURING THIS TIME.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...LAKE EFFECT SNOW WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
     AFTERNOON FOR NYZ006>008.
     LAKE EFFECT SNOW ADVISORY FROM 6 AM TUESDAY TO 6 AM EST
     WEDNESDAY FOR NYZ012-019>021-085.
MARINE...GALE WARNING FROM MIDNIGHT TONIGHT TO 7 PM EST TUESDAY FOR
         LEZ020-040-041.
         GALE WARNING FROM 3 AM TUESDAY TO 3 AM EST WEDNESDAY
         FOR LOZ063>065.
         GALE WARNING FROM 1 AM TO 11 PM EST TUESDAY FOR LOZ062.
         GALE WARNING FROM 3 AM TO 7 PM EST TUESDAY FOR LOZ043>045.
         GALE WARNING FROM 2 AM TO 7 PM EST TUESDAY FOR LOZ042.

&&

SYNOPSIS...WCH
NEAR TERM...WCH
SHORT TERM...WCH
LONG TERM...ZAFF
AVIATION...ZAFF
MARINE...ZAFF
Hazardous weather outlook, Nov 5, 8:38 AM EST, 7 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
838 AM EST MON NOV 5 2007

NYZ010-012-019>021-085-061345-
NORTHERN ERIE-WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
838 AM EST MON NOV 5 2007

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...TUESDAY THROUGH SUNDAY

OFF LAKE ERIE...THE LAKE EFFECT PRECIPITATION IS EXPECTED TO
MOVE FROM THE SKI COUNTRY SOUTH OF BUFFALO IN THE MORNING NORTH
TOWARD BUFFALO. AT THIS TIME...IT APPEARS TEMPERATURES WILL
REMAIN WARM ENOUGH FOR RAIN ON TUESDAY ACROSS THE BUFFALO AREA AND
LOWER ELEVATIONS. THE RAIN WILL BE A SOAKING RAIN.

TEMPERATURES ARE VERY MARGINAL. ACROSS THE HIGHER
TERRAIN...PRECIPITATION MAY CHANGE TO ALL SNOW WITH A FEW INCHES
OF SLUSHY ACCUMULATION POSSIBLE ON THE HILLS.

A SECONDARY COLD FRONT WILL CROSS THE REGION TUESDAY EVENING...
PUSHING LAKE EFFECT INTO THE SOUTHERN TIER. COLDER AIR WILL ALLOW
FOR GREATER CHANCES OF ACCUMULATING SNOW TUESDAY NIGHT THROUGH
WEDNESDAY ON THE HILLS OF THE WESTERN SOUTHERN TIER. ON TUESDAY
NIGHT UP TO 1 TO 3 INCHES IS POSSIBLE ON THE HILLTOPS.

.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>008-061345-
OSWEGO-JEFFERSON-LEWIS-
838 AM EST MON NOV 5 2007

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

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

OFF LAKE ONTARIO...A PLUME OF LAKE EFFECT PRECIPITATION IS
EXPECTED TO DEVELOP ON TUESDAY ACROSS THE SAINT LAWRENCE VALLEY.
TEMPERATURES SHOULD REMAIN WARM ENOUGH TO KEEP THIS ACTIVITY
MAINLY RAIN. WINDS WILL SHIFT TO THE NORTHWEST TUESDAY NIGHT...
PUSHING LAKE EFFECT TO AREAS SOUTHEAST OF LAKE ONTARIO. COLD AIR
WILL DEEPEN AND ALLOW FOR PRECIPITATION TO CHANGE TO MAINLY SNOW
INLAND FROM THE LAKESHORE LATE TUESDAY NIGHT. ACCUMULATING LAKE
EFFECT SNOW IS POSSIBLE LATE TUESDAY NIGHT THROUGH WEDNESDAY
NIGHT...ESPECIALLY FOR AREAS INLAND FROM THE LAKESHORE BETWEEN
ROCHESTER AND OSWEGO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

NYZ001>005-011-013-014-061345-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-GENESEE-LIVINGSTON-
ONTARIO-
838 AM EST MON NOV 5 2007

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

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...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

SLZ022-024-061345-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
838 AM EST MON NOV 5 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEW YORK WATERS OF THE
SAINT LAWRENCE RIVER.

.DAY ONE...TODAY 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

LEZ020-040-041-061345-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
838 AM EST MON NOV 5 2007

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM EST
TUESDAY...

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...TUESDAY THROUGH SUNDAY

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

   GALE WARNING.

A GALE WARNING IS IN EFFECT. A STRONG COLD FRONT WILL CROSS LAKE
ERIE EARLY MONDAY NIGHT. SOUTHWEST WINDS WILL INCREASE TO GALE
FORCE MONDAY EVENING AND CONTINUE THROUGH TUESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

LOZ043>045-061345-
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-
838 AM EST MON NOV 5 2007

...GALE WARNING IN EFFECT FROM 3 AM TO 7 PM EST TUESDAY...

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...TUESDAY THROUGH SUNDAY

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

   GALE WARNING.

A GALE WARNING IS IN EFFECT. A STRONG COLD FRONT WILL CROSS
LAKE ONTARIO MONDAY NIGHT. SOUTHWEST WINDS WILL INCREASE TO GALE
FORCE LATE MONDAY NIGHT AND CONTINUE THROUGH TUESDAY EVENING.

.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

LOZ042-061345-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
838 AM EST MON NOV 5 2007

...GALE WARNING IN EFFECT FROM 2 AM TO 7 PM EST TUESDAY...

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...TUESDAY THROUGH SUNDAY

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

   GALE WARNING.

A GALE WARNING IS IN EFFECT. A STRONG COLD FRONT WILL CROSS
LAKE ONTARIO MONDAY NIGHT. SOUTHWEST WINDS WILL INCREASE TO GALE
FORCE LATE MONDAY EVENING AND CONTINUE THROUGH TUESDAY EVENING.

.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

LOZ062-061345-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
838 AM EST MON NOV 5 2007

...GALE WARNING IN EFFECT FROM 1 AM TO 11 PM EST TUESDAY...

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...TUESDAY THROUGH SUNDAY

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

   GALE WARNING.

A GALE WARNING IS IN EFFECT. A STRONG COLD FRONT WILL CROSS LAKE
ONTARIO MONDAY NIGHT. SOUTHWEST WINDS WILL INCREASE TO GALE FORCE
LATE MONDAY EVENING AND CONTINUE THROUGH TUESDAY EVENING.

.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

LOZ063>065-061345-
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-
838 AM EST MON NOV 5 2007

...GALE WARNING IN EFFECT FROM 3 AM TUESDAY TO 3 AM EST WEDNESDAY...

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...TUESDAY THROUGH SUNDAY

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

   GALE WARNING.

A GALE WARNING IS IN EFFECT. A STRONG COLD FRONT WILL CROSS LAKE
ONTARIO TONIGHT. SOUTHWEST WINDS WILL INCREASE TO GALE FORCE LATE
TONIGHT AND CONTINUE THROUGH LATE TUESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

In the hours before

Special weather statement, Nov 5, 2:39 PM EST, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
239 PM EST MON NOV 5 2007

NYZ019-052030-
CHAUTAUQUA NY-
239 PM EST MON NOV 5 2007

...STRONG THUNDERSTORM MOVING ACROSS THE SOUTHERN TIER...

* AT 230 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM.  THIS STORM WAS LOCATED NEAR CHAUTAUQUA
  INSTITUTE...AND MOVING NORTHEAST AT 50 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  ELLINGTON AT 250 PM EST...

THE PUBLIC REPORTED MARBLE SIZE HAIL WITH THIS STORM NEAR SHERMAN AT
230PM.

THIS STORM HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL
AND/OR DAMAGING WINDS.

NIZIOL

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 3:41 PM ESTLake Effect Snow WatchBUFJefferson, Lewis, Oswego24 hr

Nearby

Lake Effect Snow Advisories in New York, 2007Every lake effect snow advisory in 2007

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.