Alert archive / New York / Lake Effect Snow Warnings in 2009

Lake Effect Snow Warning 6, NWS Buffalo, NY

February 19, 20095 counties in New York

NWS Buffalo, NY issued this lake effect snow warning at Feb 19, 2009, 3:34 AM EST for 5 counties in New York. It took effect at Feb 19, 2009, 3:00 PM EST. It was in force for 37 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
Feb 19, 2009, 3:34 AM EST (08:34 UTC)
In effect from
Feb 19, 2009, 3:00 PM EST
Expired
Feb 21, 2009, 4:00 AM EST
In force
37 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 56 km from the middle of the area, began a volume at 08:37 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, 8.6 hours before the alert went out and 207 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 2009-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2009-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 312 square meters per square second.193958Sfc1 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
518 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
312 m²/s²
0-3 km storm-relative helicity
302 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 190834
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
334 AM EST THU FEB 19 2009

...SIGNIFICANT SNOWS TO RETURN TO PORTIONS OF WESTERN AND CENTRAL
NEW YORK...

.LOW PRESSURE WILL MOVE FROM SOUTHERN ONTARIO TO NORTHERN NEW
ENGLAND TODAY WHILE WRAPAROUND SNOWS ON ITS BACKSIDE WILL
MOVE INTO WESTERN AND CENTRAL NEW YORK LATER TODAY AND
CONTINUE INTO EARLY FRIDAY. MOST AREAS WILL SEE SOME
ACCUMULATIONS...BUT HIGHER ELEVATIONS OF THE WESTERN SOUTHERN
TIER WILL SEE ADDITIONAL ACCUMULATIONS DUE TO UPSLOPE EFFECTS...
AND AREAS EAST OF LAKE ONTARIO WILL SEE THE SNOW EVOLVE INTO LAKE
EFFECT AS THE COLDER AIR DEEPENS FRIDAY AND FRIDAY NIGHT. THE
ACTIVITY OVER WESTERN NEW YORK WILL GRADUALLY DIMINISH DURING
FRIDAY BUT LINGER EAST OF LAKE ONTARIO UNTIL SATURDAY MORNING.

NYZ006>008-191645-
/O.UPG.KBUF.LE.A.0004.090219T2000Z-090221T1000Z/
/O.NEW.KBUF.LE.W.0006.090219T2000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
334 AM EST THU FEB 19 2009

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
5 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
5 AM EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN
EFFECT. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL INCREASE
THIS AFTERNOON AND TONIGHT BEFORE EVOLVING INTO HEAVY LAKE
EFFECT BANDS WHICH WILL CONTINUE THROUGH MUCH OF FRIDAY. TOTAL
SNOWFALL ACCUMULATIONS THROUGH FRIDAY NIGHT CAN EXCEED A
FOOT...ESPECIALLY ON THE TUG HILL AND OVER PARTS OF OSWEGO COUNTY.

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

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.

$$

NYZ012-191645-
/O.EXA.KBUF.WW.Y.0009.090219T1800Z-090220T2100Z/
WYOMING-
INCLUDING THE CITY OF...WARSAW
334 AM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 1 PM THIS AFTERNOON TO 4 PM EST FRIDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL INCREASE
THIS AFTERNOON AND TONIGHT BEFORE TAPERING OFF ON FRIDAY. THE
SNOW WILL BE ENHANCED BY THE UPSLOPE COMPONENT WITH HEAVIEST
AMOUNTS ON THE CHAUTAUQUA RIDGE. STRONG WESTERLY WINDS OF 20 TO 30
MPH WILL RESULT IN BLOWING AND DRIFTING...ESPECIALLY TONIGHT.
TOTAL SNOWFALL ACCUMULATIONS FROM THIS AFTERNOON THROUGH FRIDAY CAN
RANGE AS HIGH AS 6 TO 10 INCHES...WITH GREATEST AMOUNTS ON THE
CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

 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.

$$

NYZ019-020-085-191645-
/O.CON.KBUF.WW.Y.0009.090219T1800Z-090220T2100Z/
CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...ORCHARD PARK...
SPRINGVILLE
334 AM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL INCREASE
THIS AFTERNOON AND TONIGHT BEFORE TAPERING OFF ON FRIDAY. THE
SNOW WILL BE ENHANCED BY THE UPSLOPE COMPONENT WITH HEAVIEST
AMOUNTS ON THE CHAUTAUQUA RIDGE. STRONG WESTERLY WINDS OF 20 TO 30
MPH WILL RESULT IN BLOWING AND DRIFTING...ESPECIALLY TONIGHT.
TOTAL SNOWFALL ACCUMULATIONS FROM THIS AFTERNOON THROUGH FRIDAY CAN
RANGE AS HIGH AS 6 TO 10 INCHES...WITH GREATEST AMOUNTS ON THE
CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
11 follow-up statements
000 
WWUS41 KBUF 190841
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
341 AM EST THU FEB 19 2009

...SIGNIFICANT SNOWS TO RETURN TO PORTIONS OF WESTERN AND CENTRAL
NEW YORK...

.LOW PRESSURE WILL MOVE FROM SOUTHERN ONTARIO TO NORTHERN NEW
ENGLAND TODAY WHILE WRAPAROUND SNOWS ON ITS BACKSIDE WILL MOVE
INTO WESTERN AND CENTRAL NEW YORK LATER TODAY AND CONTINUE INTO
EARLY FRIDAY. MOST AREAS WILL SEE SOME ACCUMULATIONS...BUT HIGHER
ELEVATIONS OF THE WESTERN SOUTHERN TIER WILL SEE ADDITIONAL
ACCUMULATIONS DUE TO UPSLOPE EFFECTS... AND AREAS EAST OF LAKE
ONTARIO WILL SEE THE SNOW EVOLVE INTO LAKE EFFECT AS THE COLDER
AIR DEEPENS FRIDAY AND FRIDAY NIGHT. THE ACTIVITY OVER WESTERN
NEW YORK WILL GRADUALLY DIMINISH DURING FRIDAY BUT LINGER EAST OF
LAKE ONTARIO UNTIL SATURDAY MORNING.

NYZ006>008-191645-
/O.CON.KBUF.LE.W.0006.090219T2000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
341 AM EST THU FEB 19 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM EST SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM EST SATURDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL
INCREASE THIS AFTERNOON AND TONIGHT BEFORE EVOLVING INTO HEAVY
LAKE EFFECT BANDS WHICH WILL CONTINUE THROUGH MUCH OF FRIDAY.
TOTAL SNOWFALL ACCUMULATIONS THROUGH FRIDAY NIGHT CAN EXCEED A
FOOT...ESPECIALLY ON THE TUG HILL AND OVER PARTS OF OSWEGO
COUNTY.

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.

$$

NYZ012-019-020-085-191645-
/O.CON.KBUF.WW.Y.0009.090219T1800Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
341 AM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL
INCREASE THIS AFTERNOON AND TONIGHT BEFORE TAPERING OFF ON
FRIDAY. THE SNOW WILL BE ENHANCED BY THE UPSLOPE COMPONENT WITH
HEAVIEST AMOUNTS ON THE CHAUTAUQUA RIDGE. STRONG WESTERLY WINDS
OF 20 TO 30 MPH WILL RESULT IN BLOWING AND DRIFTING...ESPECIALLY
TONIGHT. TOTAL SNOWFALL ACCUMULATIONS FROM THIS AFTERNOON THROUGH
FRIDAY CAN RANGE AS HIGH AS 6 TO 10 INCHES...WITH GREATEST
AMOUNTS ON THE CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 191454
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
954 AM EST THU FEB 19 2009

...SIGNIFICANT SNOWS TO RETURN TO PORTIONS OF WESTERN AND CENTRAL
NEW YORK...

.LOW PRESSURE OVER NORTHERN NEW ENGLAND WILL MOVE SLOWLY INTO THE
CANADIAN MARITIMES TODAY WHILE WRAPAROUND SNOWS ON ITS BACKSIDE
MOVE INTO WESTERN AND CENTRAL NEW YORK LATER TODAY AND CONTINUE
INTO EARLY FRIDAY. MOST AREAS WILL SEE SOME ACCUMULATIONS...BUT
HIGHER ELEVATIONS OF THE WESTERN SOUTHERN TIER WILL SEE ADDITIONAL
ACCUMULATIONS DUE TO UPSLOPE EFFECTS... AND AREAS EAST OF LAKE
ONTARIO WILL SEE THE SNOW EVOLVE INTO LAKE EFFECT AS THE COLDER
AIR DEEPENS FRIDAY AND FRIDAY NIGHT. THE ACTIVITY OVER WESTERN NEW
YORK WILL GRADUALLY DIMINISH DURING FRIDAY BUT LINGER EAST OF LAKE
ONTARIO UNTIL SATURDAY MORNING.

NYZ006>008-192300-
/O.CON.KBUF.LE.W.0006.090219T2000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
954 AM EST THU FEB 19 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM EST SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM EST SATURDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL
INCREASE THIS AFTERNOON AND TONIGHT BEFORE EVOLVING INTO HEAVY
LAKE EFFECT BANDS WHICH WILL CONTINUE THROUGH MUCH OF FRIDAY.
TOTAL SNOWFALL ACCUMULATIONS THROUGH FRIDAY NIGHT CAN EXCEED A
FOOT...ESPECIALLY ON THE TUG HILL AND OVER PARTS OF OSWEGO
COUNTY.

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.

$$

NYZ012-019-020-085-192300-
/O.CON.KBUF.WW.Y.0009.090219T1800Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
954 AM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM EST FRIDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR FOLLOWING DEPARTING LOW
PRESSURE WILL SET OFF SNOW SHOWERS AND PERIODS OF SNOW TODAY. AS
THE DEEPER MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL
INCREASE THIS AFTERNOON AND TONIGHT BEFORE TAPERING OFF ON
FRIDAY. THE SNOW WILL BE ENHANCED BY THE UPSLOPE COMPONENT WITH
HEAVIEST AMOUNTS ON THE CHAUTAUQUA RIDGE. STRONG WESTERLY WINDS
OF 20 TO 30 MPH WILL RESULT IN BLOWING AND DRIFTING...ESPECIALLY
TONIGHT. TOTAL SNOWFALL ACCUMULATIONS FROM THIS AFTERNOON THROUGH
FRIDAY CAN RANGE AS HIGH AS 6 TO 10 INCHES...WITH GREATEST
AMOUNTS ON THE CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 192014
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
314 PM EST THU FEB 19 2009

...SIGNIFICANT SNOWS TO RETURN TO PORTIONS OF WESTERN AND CENTRAL
NEW YORK...

.LOW PRESSURE OVER THE CANADIAN MARITIMES WILL REMAIN NEARLY
STATIONARY THROUGH FRIDAY BEFORE WEAKENING FRIDAY NIGHT AND
PULLING AWAY BY SATURDAY. A MOIST WEST TO NORTHWEST OF VERY COLD
AIR ON ITS BACKSIDE WILL CONTINUE TO PRODUCE SNOW SHOWERS THROUGH
FRIDAY WITH SOME ACTIVITY EVEN LINGERING INTO FRIDAY NIGHT. MOST
AREAS WILL SEE SOME ACCUMULATIONS...BUT HIGHER ELEVATIONS OF THE
WESTERN SOUTHERN TIER WILL SEE ADDITIONAL ACCUMULATIONS DUE TO
UPSLOPE EFFECTS... AND AREAS EAST OF LAKE ONTARIO WILL SEE THE
SNOW EVOLVE INTO LAKE EFFECT AS THE COLDER AIR DEEPENS FRIDAY AND
FRIDAY NIGHT. THE ACTIVITY OVER WESTERN NEW YORK WILL GRADUALLY
DIMINISH LATER FRIDAY BUT LINGER EAST OF LAKE ONTARIO UNTIL
SATURDAY MORNING.

NYZ006>008-200415-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
314 PM EST THU FEB 19 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

AN INCREASING WESTERLY FLOW OF COLDER AIR SWINGING AROUND A
DEPARTING LOW OVER THE CANADIAN MARITIMES WILL CONTINUE TO PRODUCE
SNOW SHOWERS TONIGHT. AS THE MOISTURE DEEPENS...THE SNOWS WILL
EVOLVE INTO HEAVY LAKE EFFECT BANDS WHICH WILL CONTINUE THROUGH
MUCH OF FRIDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH FRIDAY NIGHT
CAN EXCEED A FOOT...ESPECIALLY ON THE TUG HILL AND OVER PARTS OF
OSWEGO COUNTY. STRONG WESTERLY WINDS OF 20 TO 30 MPH WILL RESULT IN
BLOWING AND DRIFTING. 

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.

$$

NYZ004-005-200415-
/O.NEW.KBUF.LE.Y.0040.090220T0500Z-090220T1700Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
314 PM EST THU FEB 19 2009

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
EST FRIDAY. 

SNOW SHOWERS WILL EVOLVE INTO BANDS OF LAKE EFFECT SNOW LATER
TONIGHT WHICH WILL CONTINUE THROUGH MIDDAY FRIDAY AS WINDS VEER A
BIT MORE NORTHWESTERLY. TOTAL SNOWFALL CAN REACH AS MUCH AS 4 TO
8 INCHES...WITH GREATEST AMOUNTS NEAR THE LAKE ONTARIO SHORE AND
NORTH OF ROUTE 104.

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.

$$

NYZ012-019-020-085-200415-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
314 PM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
FRIDAY. 

A WESTERLY FLOW OF COLD MOIST AIR FOLLOWING DEPARTING LOW PRESSURE
WILL CONTINUE THE SNOW SHOWERS THROUGH FRIDAY. AS THE DEEPER
MOISTURE SWINGS AROUND THE LOW...SNOWFALL WILL INCREASE THIS
TONIGHT BEFORE TAPERING OFF FRIDAY AFTERNOON. THE SNOW WILL BE ENHANCED BY
THE UPSLOPE COMPONENT WITH HEAVIEST AMOUNTS ON THE CHAUTAUQUA
RIDGE. STRONG WESTERLY WINDS OF 20 TO 30 MPH WILL RESULT IN
BLOWING AND DRIFTING...ESPECIALLY TONIGHT. TOTAL SNOWFALL
ACCUMULATIONS THROUGH FRIDAY CAN RANGE AS HIGH AS 6 TO 10
INCHES...WITH GREATEST AMOUNTS ON THE CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$

SFM
000 
WWUS41 KBUF 200335
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1035 PM EST THU FEB 19 2009

...SIGNIFICANT SNOWS RETURN TO WESTERN AND CENTRAL NEW YORK...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE SNOW SHOWERS THROUGH FRIDAY WITH SOME ACTIVITY LINGERING
INTO FRIDAY NIGHT. MOST AREAS WILL SEE SOME ACCUMULATIONS...BUT
HIGHER ELEVATIONS OF THE WESTERN SOUTHERN TIER WILL SEE ADDITIONAL
ACCUMULATIONS DUE TO UPSLOPE EFFECTS... AND AREAS EAST OF LAKE
ONTARIO WILL SEE LAKE EFFECT SNOW AS THE COLDER AIR DEEPENS
FRIDAY AND FRIDAY NIGHT. THE ACTIVITY OVER WESTERN NEW YORK WILL
GRADUALLY DIMINISH LATER FRIDAY, BUT LINGER EAST OF LAKE ONTARIO
UNTIL SATURDAY MORNING.

NYZ006>008-201145-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1035 PM EST THU FEB 19 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL PRODUCE HEAVY LAKE EFFECT SNOW BANDS
WHICH WILL CONTINUE THROUGH MUCH OF FRIDAY. TOTAL SNOWFALL
ACCUMULATIONS THROUGH FRIDAY NIGHT WILL BE OVER A FOOT, ESPECIALLY
ON THE TUG HILL AND OVER PARTS OF OSWEGO COUNTY. STRONG WESTERLY
WINDS OF 20 TO 30 MPH WILL RESULT IN BLOWING AND DRIFTING.

THE HEAVIEST SNOW THAT WAS OVER THE NORTHERN PART OF THE TUG HILL
THURSDAY EVENING, IS EXPECTED TO MOVE TO OSWEGO COUNTY TONIGHT,
THEN BACK NORTH OVER THE TUG HILL ON FRIDAY.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ004-005-201145-
/O.CON.KBUF.LE.Y.0040.090220T0500Z-090220T1700Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
1035 PM EST THU FEB 19 2009

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST
FRIDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST
FRIDAY. 

SNOW SHOWERS WILL EVOLVE INTO BANDS OF LAKE EFFECT SNOW LATER
TONIGHT WHICH WILL CONTINUE THROUGH MIDDAY FRIDAY AS WINDS VEER A
BIT MORE NORTHWESTERLY. TOTAL SNOWFALL CAN REACH AS MUCH AS 4 TO
8 INCHES...WITH GREATEST AMOUNTS NEAR THE LAKE ONTARIO SHORE AND
NORTH OF ROUTE 104.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ012-019-020-085-201145-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
1035 PM EST THU FEB 19 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
FRIDAY. 

A WESTERLY FLOW OF COLD MOIST AIR WILL CONTINUE SNOW SHOWERS
THROUGH FRIDAY. AS THE DEEPER MOISTURE MOVES IN, SNOW INTENSITY
WILL INCREASE TONIGHT BEFORE TAPERING OFF FRIDAY AFTERNOON. STRONG
WESTERLY WINDS OF 20 TO 30 MPH WILL RESULT IN BLOWING AND
DRIFTING...ESPECIALLY TONIGHT. TOTAL SNOWFALL ACCUMULATIONS
THROUGH FRIDAY COULD RANGE AS HIGH AS 6 TO 10 INCHES...WITH
GREATEST AMOUNTS ON THE CHAUTAUQUA RIDGE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 200905
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
405 AM EST FRI FEB 20 2009

...SIGNIFICANT SNOWS RETURN TO WESTERN AND CENTRAL NEW YORK...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE SNOW SHOWERS TODAY WITH SOME ACTIVITY LINGERING INTO
TONIGHT. MOST AREAS WILL SEE SOME ACCUMULATIONS...BUT HIGHER
ELEVATIONS OF THE WESTERN SOUTHERN TIER WILL SEE ADDITIONAL
ACCUMULATIONS DUE TO UPSLOPE EFFECTS... AND AREAS EAST OF LAKE
ONTARIO WILL SEE LAKE EFFECT SNOW AS THE COLDER AIR DEEPENS TODAY
AND TONIGHT. THE ACTIVITY OVER WESTERN NEW YORK WILL GRADUALLY
DIMINISH LATER TODAY...BUT WILL LINGER EAST OF LAKE ONTARIO UNTIL
SATURDAY MORNING.

NYZ006>008-201715-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
405 AM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL PRODUCE HEAVY LAKE EFFECT SNOW BANDS
WHICH WILL CONTINUE TODAY AND TONIGHT. TOTAL SNOWFALL
ACCUMULATIONS THROUGH TONIGHT WILL BE OVER A FOOT... ESPECIALLY
ON THE TUG HILL AND OVER PARTS OF OSWEGO COUNTY. STRONG WESTERLY
WINDS OF 20 TO 30 MPH WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ004-005-201700-
/O.CON.KBUF.LE.Y.0040.000000T0000Z-090220T1700Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
405 AM EST FRI FEB 20 2009

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY. 

BANDS OF LAKE EFFECT SNOW WILL RETURN TO THE LAKESHORE AREA THROUGH
MIDDAY AS WINDS VEER A BIT MORE NORTHWESTERLY. ADDITIONAL SNOWFALL
OF 2 TO 4 INCHES IS EXPECTED THIS MORNING...WITH GREATEST AMOUNTS
NEAR THE LAKE ONTARIO SHORE AND NORTH OF ROUTE 104. MODERATE
SNOWFALL WILL BE WORSENED BY STRONG AND GUSTY WINDS WITH
CONSIDERABLE BLOWING AND DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ012-019-020-085-201715-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
405 AM EST FRI FEB 20 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

A WESTERLY FLOW OF COLD MOIST AIR WILL CONTINUE SNOW SHOWERS TODAY.
AS THE DEEPER MOISTURE MOVES IN... SNOW INTENSITY WILL INCREASE
THIS MORNING BEFORE TAPERING OFF THIS AFTERNOON. STRONG WESTERLY
WINDS OF 20 TO 30 MPH WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING. ADDITIONAL SNOWFALL ACCUMULATIONS WILL RANGE FROM 3 TO 5
INCHES.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 201626
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1126 AM EST FRI FEB 20 2009

...SIGNIFICANT SNOWS RETURN TO WESTERN AND CENTRAL NEW YORK...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE SNOW SHOWERS THIS AFTERNOON WITH SOME ACTIVITY LINGERING
INTO TONIGHT. MOST AREAS WILL SEE SOME ACCUMULATIONS...BUT HIGHER
ELEVATIONS OF THE WESTERN SOUTHERN TIER WILL SEE ADDITIONAL
ACCUMULATIONS DUE TO UPSLOPE EFFECTS... AND AREAS EAST OF LAKE
ONTARIO WILL SEE LAKE EFFECT SNOW AS THE COLDER AIR DEEPENS TODAY
AND TONIGHT. THE ACTIVITY OVER WESTERN NEW YORK WILL GRADUALLY
DIMINISH LATER THIS AFTERNOON AND EVENING...BUT WILL LINGER EAST
OF LAKE ONTARIO UNTIL SATURDAY MORNING.

NYZ004-005-201730-
/O.CAN.KBUF.LE.Y.0040.000000T0000Z-090220T1700Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
1126 AM EST FRI FEB 20 2009

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

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

LAKE SNOWS HAVE DIMINISHED AND MOVED NORTH.

$$

NYZ006>008-210030-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1126 AM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL PRODUCE HEAVY LAKE EFFECT SNOW BANDS
WHICH WILL CONTINUE THIS AFTERNOON AND TONIGHT. TOTAL SNOWFALL
ACCUMULATIONS THROUGH TONIGHT WILL BE OVER A FOOT... ESPECIALLY ON
THE TUG HILL AND OVER PARTS OF OSWEGO COUNTY. STRONG WESTERLY
WINDS OF 20 TO 30 MPH WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ012-019-020-085-202100-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-090220T2100Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
1126 AM EST FRI FEB 20 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

A WESTERLY FLOW OF COLD MOIST AIR WILL CONTINUE SNOW SHOWERS
TODAY. SNOW INTENSITY WILL TAPER OFF THIS AFTERNOON AND EVENING.
STRONG WESTERLY WINDS OF 20 TO 30 MPH WILL RESULT IN CONSIDERABLE
BLOWING AND DRIFTING. ADDITIONAL SNOWFALL ACCUMULATIONS WILL RANGE
FROM 2 TO 4 INCHES.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 202005
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
305 PM EST FRI FEB 20 2009

...SIGNIFICANT SNOWS WIND DOWN...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE SNOW SHOWERS INTO TONIGHT. HIGHER ELEVATIONS OF THE
WESTERN SOUTHERN TIER WILL SEE ADDITIONAL ACCUMULATIONS DUE TO
UPSLOPE EFFECTS...BEFORE THE SNOW INTENSITY LESSENS THIS EVENING.
EAST OF LAKE ONTARIO THE LAKE EFFECT SNOW WILL CONTINUE THROUGH
LATE TONIGHT...WITH THE HEAVIEST AMOUNTS ACROSS OSWEGO COUNTY AND
THE TUG HILL.

NYZ006>008-210500-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
305 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL PRODUCE HEAVY LAKE EFFECT SNOW BANDS
WHICH WILL CONTINUE THIS AFTERNOON AND TONIGHT. TOTAL SNOWFALL
ACCUMULATIONS THROUGH TONIGHT WILL BE OVER A FOOT... ESPECIALLY
OVER PARTS OF OSWEGO COUNTY AND THE TUG HILL. STRONG WESTERLY
WINDS OF 20 TO 30 MPH WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ012-019-020-085-210300-
/O.EXT.KBUF.WW.Y.0009.000000T0000Z-090221T0300Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
305 PM EST FRI FEB 20 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

A WESTERLY FLOW OF COLD MOIST AIR WILL CONTINUE SNOW SHOWERS
THIS EVENING. ANOTHER 2 TO 4 INCHES IS POSSIBLE BEFORE SNOW
INTENSITY TAPERS OFF THIS EVENING. STRONG WESTERLY WINDS OF 20 TO
30 MPH WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$
000 
WWUS41 KBUF 210018
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
718 PM EST FRI FEB 20 2009

...SIGNIFICANT SNOWS WIND DOWN...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE LAKE EFFECT SNOW TONIGHT. HIGHER ELEVATIONS OF THE
WESTERN SOUTHERN TIER WILL SEE ADDITIONAL ACCUMULATIONS DUE TO
UPSLOPE EFFECTS...BEFORE THE SNOW INTENSITY LESSENS THIS EVENING.

LAKE SNOWS WILL CONTINUE ALONG THE SOUTHERN SHORES OF LAKE ONTARIO
THROUGH THIS EVENING...THEN LIFT SLOWLY TO THE NORTH. THE HEAVIER
SNOWS LOCATED SOUTHEAST OF LAKE ONTARIO WILL LAST THROUGH THE
NIGHT...WITH THE HEAVIEST AMOUNTS EXPECTED ACROSS OSWEGO COUNTY
AND THE TUG HILL.

NYZ004-005-210830-
/O.EXA.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
718 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 5 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT UNTIL 5 AM EST SATURDAY. 

A WESTERLY FLOW OF COLD WILL PRODUCE HEAVY LAKE EFFECT SNOW 
THROUGH TONIGHT. ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED IN
THE MOST PERSISTENT SNOW BANDS. STRONG WESTERLY WINDS OF 20 TO 30
MPH WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

 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.

$$

NYZ006>008-210830-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
718 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL CONTINUE TO PRODUCE HEAVY LAKE EFFECT
SNOW THROUGH TONIGHT. TOTAL ACCUMULATIONS THROUGH TONIGHT WILL BE
OVER A FOOT... ESPECIALLY OVER PARTS OF OSWEGO COUNTY AND THE TUG
HILL. STRONG WESTERLY WINDS OF 20 TO 30 MPH WILL RESULT IN
CONSIDERABLE BLOWING AND DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ001>003-011-210500-
/O.NEW.KBUF.LE.Y.0041.090221T0018Z-090221T0500Z/
NIAGARA-ORLEANS-MONROE-GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
BATAVIA
718 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. 

LAKE EFFECT SNOW WILL CONTINUE THROUGH THIS EVENING AND ACCUMULATE
ANOTHER 3 TO 5 INCHES IN THE MOST PERSISTENT BANDS EXTENDING FROM
EASTERN NIAGARA TO MONROE COUNTIES. WESTERLY WINDS OF 15 TO 30 MPH
WILL RESULT IN VERY POOR VISIBILITY IN BLOWING AND DRIFTING SNOW. 

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.

$$

NYZ012-019-020-085-210300-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-090221T0300Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
718 PM EST FRI FEB 20 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

A WESTERLY FLOW OF COLD MOIST AIR WILL CONTINUE SNOW SHOWERS THIS
EVENING. ANOTHER 2 TO 4 INCHES IS POSSIBLE BEFORE SNOW INTENSITY
TAPERS OFF THIS EVENING. STRONG WESTERLY WINDS OF 20 TO 30 MPH
WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS SNOW AND BLOWING SNOW. WHILE
THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY IMPLIES THAT
SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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.

$$

TJP
000 
WWUS41 KBUF 210308
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1008 PM EST FRI FEB 20 2009

...SIGNIFICANT SNOWS TO CONTINUE SOUTHEAST OF LAKE ONTARIO TONIGHT...


.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE LAKE EFFECT SNOW SOUTHEAST OF LAKE ONTARIO TONIGHT. 
THE SNOW WILL TAPER OFF SATURDAY MORNING AS HIGH PRESSURE BUILDS
IN ACROSS NEW YORK STATE. 


NYZ001-002-011-210415-
/O.CAN.KBUF.LE.Y.0041.000000T0000Z-090221T0500Z/
NIAGARA-ORLEANS-GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...BATAVIA
1008 PM EST FRI FEB 20 2009

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

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

THE STEADIER LAKE SNOWS THAT IMPACTED THE AREA EARLIER THIS
EVENING HAVE DIMINISHED. ANOTHER 1 TO 2 INCHES IS STILL POSSIBLE
THROUGH THE EARLY MORNING HOURS. THEREFORE...UNTREATED ROADS WILL
STILL BE SLICK. 

$$

NYZ012-019-020-085-210415-
/O.EXP.KBUF.WW.Y.0009.000000T0000Z-090221T0300Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
ORCHARD PARK...SPRINGVILLE
1008 PM EST FRI FEB 20 2009

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM EST THIS
EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM EST THIS
EVENING. 

THE STEADIER SNOW AND WINDS HAVE DIMINISHED ACROSS THE AREA THIS
EVENING. THEREFORE...THE WINTER WEATHER ADVISORY HAS EXPIRED.
ANOTHER 1 TO 2 INCHES IS STILL POSSIBLE THROUGH THE EARLY MORNING
HOURS. THEREFORE...UNTREATED ROADS WILL REMAIN SLICK. 

$$

NYZ006>008-211000-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1008 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD WILL CONTINUE TO PRODUCE HEAVY LAKE
EFFECT SNOW THROUGH TONIGHT. TOTAL ACCUMULATIONS THROUGH TONIGHT
WILL BE OVER A FOOT... ESPECIALLY OVER THE SOUTHERN HALF OF THE
COUNTY. WESTERLY WINDS GUSTING OVER 25 MPH WILL STILL RESULT IN
CONSIDERABLE BLOWING AND DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ004-005-211000-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
1008 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY. 

A WESTERLY FLOW OF COLD AIR WILL CONTINUE TO PRODUCE HEAVY LAKE
EFFECT SNOW THROUGH OVERNIGHT. ADDITIONAL ACCUMULATIONS OF 4 TO 7
INCHES ARE EXPECTED BEFORE THE SNOW SUBSIDES SATURDAY MORNING. 
WESTERLY WINDS GUSTING OVER 25 MPH WILL RESULT IN CONSIDERABLE
BLOWING AND DRIFTING SNOW TONIGHT. 

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

 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.

$$

NYZ003-210500-
/O.CON.KBUF.LE.Y.0041.000000T0000Z-090221T0500Z/
MONROE-
INCLUDING THE CITY OF...ROCHESTER
1008 PM EST FRI FEB 20 2009

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

LAKE EFFECT SNOWS WILL ACCUMULATE ANOTHER 1 TO 3 INCHES BEFORE
SUBSIDING AFTER MIDNIGHT. WESTERLY GUSTING OVER 25 MPH WILL STILL 
RESULT IN VERY POOR VISIBILITY IN BLOWING AND DRIFTING SNOW.

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.

$$

TJP
000 
WWUS41 KBUF 210524
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1224 AM EST SAT FEB 21 2009

...SIGNIFICANT SNOWS TO CONTINUE SOUTHEAST OF LAKE ONTARIO
TONIGHT...

.A MOIST WEST TO NORTHWEST OF VERY COLD AIR WILL CONTINUE TO
PRODUCE LAKE EFFECT SNOW SOUTHEAST OF LAKE ONTARIO TONIGHT. THE
SNOW WILL TAPER OFF SATURDAY MORNING AS HIGH PRESSURE BUILDS IN
ACROSS NEW YORK STATE.

NYZ003-210630-
/O.EXP.KBUF.LE.Y.0041.000000T0000Z-090221T0500Z/
MONROE-
INCLUDING THE CITY OF...ROCHESTER
1224 AM EST SAT FEB 21 2009

...LAKE EFFECT SNOW ADVISORY HAS EXPIRED...

THE LAKE EFFECT SNOW ADVISORY IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL CONTINUE THROUGH THE WEE HOURS OF THE
MORNING BUT IN A WEAKENED STATE. JUST ANOTHER INCH OR TWO ARE EXPECTED.

$$

NYZ006>008-211000-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1224 AM EST SAT FEB 21 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
EARLY THIS MORNING...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING. 

A WESTERLY FLOW OF COLD WILL CONTINUE TO PRODUCE HEAVY LAKE
EFFECT SNOW THROUGH TONIGHT. TOTAL ACCUMULATIONS THROUGH TONIGHT
WILL BE OVER A FOOT... ESPECIALLY OVER THE SOUTHERN HALF OF THE
COUNTY. WESTERLY WINDS GUSTING OVER 25 MPH WILL STILL RESULT IN
CONSIDERABLE BLOWING AND DRIFTING SNOW.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

$$

NYZ004-005-211000-
/O.CON.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
1224 AM EST SAT FEB 21 2009

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST
EARLY THIS MORNING...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING. 

A WESTERLY FLOW OF COLD AIR WILL CONTINUE TO PRODUCE HEAVY LAKE
EFFECT SNOW THROUGH OVERNIGHT. ADDITIONAL ACCUMULATIONS OF 4 TO
7 INCHES ARE EXPECTED BEFORE THE SNOW SUBSIDES SATURDAY MORNING.
WESTERLY WINDS GUSTING OVER 25 MPH WILL RESULT IN CONSIDERABLE
BLOWING AND DRIFTING SNOW TONIGHT.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY 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. 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.

 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.

$$

SAGE
000 
WWUS41 KBUF 210900
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
400 AM EST SAT FEB 21 2009

NYZ004>008-211000-
/O.CAN.KBUF.LE.W.0006.000000T0000Z-090221T1000Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...
WATERTOWN...LOWVILLE
400 AM EST SAT FEB 21 2009

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

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

LAKE EFFECT SNOW WILL CONTINUE INTO THE MORNING HOURS BUT IT
WILL BE IN A WEAKENED STATE...BECOMING LESS ORGANIZED. NEW
ACCUMULATIONS THIS MORNING WILL BE LIMITED TO THE 1 TO 3 INCH
RANGE.

$$

SAGE

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 Feb 19, 3:02 AM EST, 32 minutes earlier.

Area forecast discussion, Feb 19, 3:02 AM EST, 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
302 AM EST THU FEB 19 2009

.SYNOPSIS...
DEEP LOW PRESSURE CENTERED NORTH OF LAKE ONTARIO THIS MORNING WILL
CIRCULATE COLDER AIR ACROSS OUR REGION THROUGH THE END OF THE WEEK
AS IT TRACKS NORTHEASTWARD TO THE CANADIAN MARITIMES. WRAP AROUND
MOISTURE ON THE WEST SIDE OF THE LOW WILL PRODUCE SNOW SHOWERS OVER
OUR REGION WITH MORE SIGNIFICANT SNOW ACROSS THE SKI AREAS SOUTH OF
BUFFALO. THERE IS ALSO A THREAT OF HEAVY LAKE EFFECT SNOW FROM THIS
AFTERNOON INTO THROUGH FRIDAY NIGHT. ANOTHER FAST MOVING SYSTEM FROM
THE OHIO VALLEY IS EXPECTED TO BRING A GENERAL SNOWFALL TO THE
REGION SATURDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
PRECIPITATION IS CHANGING OVER TO ALL SNOW VERY EARLY THIS MORNING
ACROSS THE WESTERN COUNTIES WITH RAIN OR A RAIN/SNOW MIX FROM THE
GENESEE VALLEY TO THE NORTH COUNTRY. A PEEK AT THE TUG HILL WEBCAM
SHOWS A COUPLE INCHES OF SNOW ACCUM AT THE HIGHER ELEVATION...AND
EXPECT THAT ALL AREAS WILL HAVE CHANGED OVER TO SNOW BY DAYBREAK AS
STRONG COLD ADVECTION CONTINUES.

UPSLOPE SNOWS WILL CONTINUE ACROSS THE SOUTHERN TIER AND NORTH
COUNTRY DURING THE MORNING...WHILE MUCH OF THE REMAINDER OF THE AREA
JUST EXPERIENCES SOME SCATTERED SNOW SHOWERS AS A BRIEF PERIOD OF
DRY SLOTTING WORKS IN BEHIND THE DEPARTING COLD FRONT. THEN A
SECONDARY AREA OF WRAPAROUND PRECIPITATION/MOISTURE WILL BEGIN
SPREADING ACROSS THE AREA FROM THE CENTRAL GREAT LAKES DURING
THE MORNING OVER THE WEST AND BY MID DAY FARTHER EAST. IN
CONJUNCTION WITH 850 MB TEMPERATURES COOLING TO THE -12C TO -14C
RANGE...THIS WILL HELP ENHANCE THE UPSLOPE SNOWS EAST OF LAKE
ERIE...AND WILL ALSO LEAD TO A GRADUAL TRANSITION TO MORE OF A PURE
LAKE EFFECT EVENT EAST OF LAKE ONTARIO...THOUGH THE ACTIVITY THERE
WILL LIKELY NOT CONSOLIDATE INTO A SINGLE LAKE BAND UNTIL LATER IN
THE AFTERNOON. AT THIS POINT... GENERALLY EXPECT ACCUMULATIONS OF AN
INCH OR LESS ACROSS MOST OF THE AREA...WITH 1-3/3-4 IN THE FAVORED
AREAS OF UPSLOPE/LAKE ENHANCED PRECIPITATION TO THE LEE OF THE LOWER
LAKES.

ALL OF THIS WILL ALSO BE ACCOMPANIED BY FALLING TEMPS THROUGHOUT THE
DAY AND TONIGHT IN THE COLD ADVECTION REGIME IN THE WAKE OF THE COLD
FRONT...AND BRISK WEST WINDS THAT WILL INCREASE TO THE 20-30 MPH
RANGE BY MIDDAY. WITHIN ANY AREAS OF STEADIER SNOW...THIS WILL LEAD
TO  REDUCED VISIBILITIES IN AREAS OF BLOWING SNOW. GIVEN THIS AND
THE LIKELIHOOD OF SUCH CONDITIONS CONTINUING INTO THURSDAY
NIGHT...WINTER WEATHER ADVISORIES HAVE BEEN POSTED FOR AREAS
DOWNWIND OF LAKE ERIE BEGINNING THURSDAY AFTERNOON. GIVEN THE
EXPECTED DEVELOPMENT OF LAKE EFFECT EAST OF LAKE ONTARIO AND ITS
EXPECTED PERSISTENCE THROUGH THURSDAY NIGHT AND INTO FRIDAY...A LAKE
EFFECT SNOW WARNING HAS ALSO BEEN HOISTED FOR AREAS EAST OF LAKE
ONTARIO. PROLONGED LAKE EFFECT SNOW ACCUMULATING 9+ INCHES OVER THE
24+ HOURS OF LAKE SNOW ACCOMPANIED BY STRONG WEST WINDS OFF LAKE
ONTARIO.

&&

.SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/...
A DURING THE BEGINNING OF THIS PERIOD WE WILL STILL BE UNDER THE
INFLUENCE OF A DEEP...WELL STACKED LOW CENTERED OVER NORTHERN NEW
ENGLAND...SLOW WITHDRAWING TOWARD THE CANADIAN MARITIMES. WRAP
AROUND MOISTURE COUPLED WITH SHORT WAVES CROSSING THE AREA IN THE
CYCLONIC FLOW ON THE BACK SIDE OF THE LOW WILL KEEP POPS FAIRLY HIGH
FOR FRIDAY. WE WILL CONTINUE THE LIKELY FOR MOST AREAS BUT
CATEGORICAL IN THE UPSLOPE AREAS SOUTH AND SOUTHEAST OF BUFFALO.
ALTHOUGH LAKE EFFECT INSTABILITIES ARE NOT IMPRESSIVE SOUTHEAST AND
EAST OF LAKE ONTARIO THE FLOW IS STRONG AND WELL ALIGNED. A
COMBINATION OF UPSLOPE AND LAKE ENHANCEMENT SHOULD PROVIDE ENOUGH
LIFT FOR A CONTINUING LAKE EFFECT EVENT SO CATEGORICAL POPS THERE AS
WELL. IT WILL ALSO BE QUITE WINDY AS WELL WITH BLOWING AND DRIFTING
SNOW CONSIDERING TEMPERATURES MAINLY IN THE 20S. THE SOUTHERN EXTENT
OF LAKE ENHANCEMENT IS SOMEWHAT IN QUESTION DEPENDING ON THE
STEERING FLOW. NORTHERN CAYUGA AND NORTHEASTERN WAYNE WILL HAVE TO
BE MONITORED FOR POSSIBLE ADVISORIES.

LAKE EFFECT WILL CONTINUE FRIDAY NIGHT SOUTHEAST OF LAKE ONTARIO BUT
THE FLOW WILL WEAKEN AS A RIDGE MOVES IN FROM THE WEST. MOST OF THE
ACTIVITY SHOULD BE DONE BY SATURDAY MORNING.

NOT MUCH TURN AROUND TIME AS ANOTHER DIGGING UPPER TROUGH OVER THE
MISSISSIPPI VALLEY SPAWNS A SURFACE LOW OVER THE OHIO VALLEY
SATURDAY. THIS SYSTEM WILL BRING A GENERAL SNOWFALL THE OUR FORECAST
AREA SATURDAY AFTERNOON AND NIGHT. PROJECTED SOUNDINGS HIGHLY FAVOR
SNOW AS PRECIP TYPE.I

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
THE GFS AND ECMWF ARE VERY CLOSE FOR SUNDAY AS THE OHIO VALLEY LOW
MENTIONED IN THE SHORT TERM TRACKS TO NORTHERN NEW ENGLAND AND
EVENTUALLY THE CANADIAN MARITIMES BY MONDAY. THE NORTHWEST FLOW ON
THE BACK SIDE OF THIS SYSTEM WILL BRING A FRESH SUPPLY OF COLD AIR
AND A RENEWED THREAT OF LAKE EFFECT SNOW FOR SUNDAY NIGHT AND MONDAY
ON A NORTHWEST FLOW.

THE UPPER PATTERN SHIFTS TO MORE ZONAL FOR TUESDAY AND WEDNESDAY
WITH A SURFACE HIGH FORECAST TO MOVE ACROSS THE AREA. THIS WILL
LIKELY BRING BENIGN WEATHER BACK INTO OUR REGION WITH TEMPERATURES
BACK TO A LITTLE ABOVE NORMAL.

&&

.AVIATION /08Z THURSDAY THROUGH MONDAY/...
MIXED RAIN AND SNOW WILL CHANGE TO ALL SNOW AFTER MIDNIGHT,
LOWERING CEILINGS AND VISIBILITY TO IFR...THEN TAPER OFF OVERNIGHT
WITH IFR CEILINGS AND MVFR TO VFR VISIBILITY IN LIGHT SNOW. EXPECT
GENERAL MVFR CEILINGS ON THURSDAY WITH OCCASIONAL IFR CONDITIONS
IN SNOW SHOWERS, EXCEPT THE WESTERN SOUTHERN TIER AND AREAS EAST
OF LAKE ONTARIO...WHERE UPSLOPE PROCESSES WILL BRING OCCASIONAL
IFR IN SNOW GOING THROUGH THURSDAY.

OUTLOOK...
THURSDAY NIGHT AND FRIDAY...OCCASIONAL IFR IN SNOW/SNOW SHOWERS.
SATURDAY...MVFR/IFR IN LIGHT SNOW.
SUNDAY...MVFR/VFR IN SCATTERED SNOW SHOWERS.
MONDAY...VFR.

&&

.MARINE...
A STRONG WESTERLY FLOW ON THE BACK SIDE OF LOW PRESSURE MOVING
TOWARD NORTHERN NEW ENGLAND WILL BRING GALE FORCE WINDS TO LAKE
ONTARIO TODAY THROUGH MUCH OF FRIDAY. GALE WARNINGS WILL REMAIN IN
EFFECT.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...LAKE EFFECT SNOW WARNING FROM 3 PM THIS AFTERNOON TO 5 AM EST
     SATURDAY FOR NYZ006>008.
     WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 4 PM EST
     FRIDAY FOR NYZ012-019-020-085.
MARINE...GALE WARNING FROM 7 AM THIS MORNING TO 3 PM EST FRIDAY FOR
         LOZ042>045-062>065.

&&

SYNOPSIS...SAGE
NEAR TERM...WCH
SHORT TERM...SAGE
LONG TERM...SAGE
AVIATION...APB/JJR/SFM
MARINE...SAGE
Hazardous weather outlook, Feb 18, 10:46 PM EST, 4 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
1046 PM EST WED FEB 18 2009

NYZ001>005-010>014-021-200400-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-GENESEE-
WYOMING-LIVINGSTON-ONTARIO-ALLEGANY-
1046 PM EST WED FEB 18 2009

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

A GENERAL SNOWFALL IS EXPECTED THURSDAY THROUGH FRIDAY MORNING
ACROSS ALL OF WESTERN NEW YORK. 1 TO 3 INCHES OF ACCUMULATION IS
EXPECTED ACROSS LOWER ELEVATIONS...WITH HIGHER AMOUNTS POSSIBLE ON
THE HILLS TO THE SOUTH OF THE THRUWAY.

ANOTHER GENERAL SNOWFALL EXPECTED SATURDAY. ADDITIONAL MINOR
ACCUMULATIONS ARE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

NYZ019-020-085-200400-
CHAUTAUQUA-CATTARAUGUS-SOUTHERN ERIE-
1046 PM EST WED FEB 18 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THURSDAY TO 4 PM EST
FRIDAY...

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

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

   WINTER WEATHER ADVISORY.

ANOTHER GENERAL SNOWFALL EXPECTED SATURDAY. ADDITIONAL MINOR
ACCUMULATIONS ARE POSSIBLE.

.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>008-200400-
OSWEGO-JEFFERSON-LEWIS-
1046 PM EST WED FEB 18 2009

...LAKE EFFECT SNOW WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

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

   LAKE EFFECT SNOW WATCH.

ANOTHER GENERAL SNOWFALL EXPECTED SATURDAY. ADDITIONAL MINOR
ACCUMULATIONS ARE POSSIBLE.

.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-SLZ022-024-200400-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
1046 PM EST WED FEB 18 2009

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

WESTERLY GALES ARE POSSIBLE THURSDAY AFTERNOON AND THURSDAY
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

LOZ042>045-062>065-200400-
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-
1046 PM EST WED FEB 18 2009

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

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEW YORK WATERS OF LAKE
ONTARIO.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

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

   GALE WARNING.

GALE WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 7:33 PM ESTWinter Weather AdvisoryBUFAllegany, Cattaraugus3 hr
Feb 19, 3:14 PM ESTLake Effect Snow AdvisoryBUFCayuga, Wayne20 hr

Nearby

Lake Effect Snow Warnings in New York, 2009Every lake effect snow warning in 2009

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.