Alert archive / New York / Winter Weather Advisories in 2012

Winter Weather Advisory 11, NWS Buffalo, NY

February 28, 201210 counties in New York

NWS Buffalo, NY issued this winter weather advisory at Feb 28, 2012, 3:21 PM EST for 10 counties in New York. It took effect at Feb 29, 2012, 5:00 AM EST. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Feb 28, 2012, 3:21 PM EST (20:21 UTC)
In effect from
Feb 29, 2012, 5:00 AM EST
Expired
Mar 1, 2012, 3:16 PM EST
In force
34 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Ontario County, NY, Oswego County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 20:23 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, 8.4 hours before the alert went out and 90 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 2012-02-28Temperature 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 2012-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 square meters per square second.1939587897117136Sfc1 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
950 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
89 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.

087 
WWUS41 KBUF 282021
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
321 PM EST TUE FEB 28 2012

NYZ012>014-019>021-085-290430-
/O.NEW.KBUF.WW.Y.0011.120229T1000Z-120229T1700Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
321 PM EST TUE FEB 28 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO NOON EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS
IN EFFECT FROM 5 AM TO NOON EST WEDNESDAY. 

* LOCATIONS...CHAUTAUQUA...CATTARAUGUS...ALLEGANY... SOUTHERN
  ERIE...WYOMING...LIVINGSTON AND ONTARIO COUNTIES.

* TIMING...LATE TUESDAY NIGHT THROUGH LATE WEDNESDAY MORNING.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW AND SLEET ACCUMULATING AN INCH OR LESS
  OVERNIGHT AND AN INCH OR LESS WEDNESDAY...LEADING TO STORM
  TOTALS OF AN INCH OR LESS. ICE ACCUMULATING UP TO ONE TENTH OF
  AN INCH WEDNESDAY...LEADING TO STORM TOTALS OF UP TO ONE TENTH
  OF AN INCH.

* IMPACTS...SLEET AND LIGHT FREEZING RAIN MAY RESULT IN ICE
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
10 follow-up statements
197 
WWUS41 KBUF 290316
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1016 PM EST TUE FEB 28 2012

NYZ012>014-019>021-085-291130-
/O.CON.KBUF.WW.Y.0011.120229T1000Z-120229T1700Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
1016 PM EST TUE FEB 28 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO NOON
EST WEDNESDAY...

* LOCATIONS...CHAUTAUQUA...CATTARAUGUS...ALLEGANY...SOUTHERN 
  ERIE...WYOMING...LIVINGSTON AND ONTARIO COUNTIES. 

* TIMING...LATE TONIGHT THROUGH LATE WEDNESDAY MORNING.

* HAZARDS...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATION 2 INCHES OR LESS. ICE
  ACCUMULATION A TENTH OF AN INCH OR LESS.

* IMPACTS...SNOW AND FREEZING RAIN MAY RESULT IN ICE COATED ROADS
  AND TREACHEROUS DRIVING CONDITIONS WEDNESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

APFFEL
760 
WWUS41 KBUF 290910
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
410 AM EST WED FEB 29 2012

NYZ006>008-291700-
/O.EXB.KBUF.WW.Y.0011.120229T1500Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
410 AM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
4 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS
IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EST THURSDAY. 

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...ESPECIALLY
  FROM THE TUG HILL NORTHWARD AND EASTWARD.

* TIMING...LATE THIS MORNING THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING 1 TO 2 INCHES TODAY...2 TO 4
  INCHES TONIGHT...AND 1 TO 3 INCHES THURSDAY...LEADING TO STORM
  TOTALS OF 4 TO 7 INCHES. ICE POSSIBLY ACCUMULATING UP TO ONE
  THIRD OF AN INCH TONIGHT.

* IMPACTS...SNOW AND FREEZING RAIN WILL RESULT IN SNOW AND ICE
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

NYZ013-014-291700-
/O.EXT.KBUF.WW.Y.0011.120229T1000Z-120229T2000Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
410 AM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

* LOCATIONS...CHAUTAUQUA...CATTARAUGUS...ALLEGANY...SOUTHERN 
  ERIE...WYOMING...LIVINGSTON AND ONTARIO COUNTIES. 

* TIMING...THROUGH MID AFTERNOON.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING 1 TO 3 INCHES AND UP TO ONE
  TENTH OF AN INCH TODAY.

* IMPACTS...SNOW...SLEET...AND FREEZING RAIN WILL RESULT IN SNOW AND
  ICE COATED ROADS AND TREACHEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

NYZ012-019>021-085-291700-
/O.CON.KBUF.WW.Y.0011.120229T1000Z-120229T1700Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
410 AM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

* LOCATIONS...CHAUTAUQUA...CATTARAUGUS...ALLEGANY...SOUTHERN 
  ERIE...WYOMING...LIVINGSTON AND ONTARIO COUNTIES. 

* TIMING...THIS MORNING.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING AN INCH OR LESS...WITH UP TO
  ONE TENTH OF AN INCH OF ICE ACCUMULATION THIS MORNING.

* IMPACTS...SNOW...SLEET...AND FREEZING RAIN WILL RESULT IN SNOW AND
  ICE COATED ROADS AND TREACHEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

JJR
440 
WWUS41 KBUF 291541
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1041 AM EST WED FEB 29 2012

NYZ012-019>021-085-291700-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120229T1700Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
1041 AM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

* TIMING...THROUGH LATE THIS MORNING.

* HAZARDS...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING AN INCH OR LESS THIS 
  MORNING. ICE ACCUMULATING LESS THAN ONE TENTH OF AN INCH THIS 
  MORNING.

* IMPACTS...SNOW...SLEET...AND FREEZING RAIN WILL RESULT IN SNOW 
  AND ICE COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

NYZ013-014-292000-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120229T2000Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
1041 AM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

* LOCATIONS...LIVINGSTON AND ONTARIO COUNTIES.

* TIMING...THROUGH LATE THIS AFTERNOON.

* HAZARDS...SNOW AND SLEET.

* ACCUMULATIONS...AN INCH OR LESS TODAY.

* IMPACTS...SNOW...SLEET...AND FREEZING RAIN WILL RESULT IN SNOW 
  AND ICE COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

NYZ006>008-292345-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1041 AM EST WED FEB 29 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY FROM THE TUG HILL NORTHWARD AND EASTWARD. 

* TIMING...THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING 1 TO 2 INCHES TODAY...2 TO 4 
  INCHES TONIGHT...AND 1 TO 3 INCHES THURSDAY. ICE ACCUMULATING 
  UP TO ONE THIRD OF AN INCH TONIGHT AND LESS THAN ONE TENTH OF 
  AN INCH THURSDAY.

* IMPACTS...SNOW AND FREEZING RAIN WILL RESULT IN SNOW AND ICE 
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
888 
WWUS41 KBUF 291713
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1213 PM EST WED FEB 29 2012

NYZ012-019>021-085-291815-
/O.EXP.KBUF.WW.Y.0011.000000T0000Z-120229T1700Z/
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
1213 PM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY HAS EXPIRED...

MOST PRECIPITATION HAS CHANGED OVER TO RAIN OR A MIX OF RAIN AND
SNOW.
$$

NYZ013-014-292000-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120229T2000Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
1213 PM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

* LOCATIONS...LIVINGSTON AND ONTARIO COUNTIES.

* TIMING...THROUGH LATE THIS AFTERNOON.

* HAZARDS...SNOW...FREEZING RAIN AND SLEET.

* ACCUMULATIONS...AN INCH OR LESS OF SNOW AND SLEET WITH ICE
  ACCUMULATION OF LESS THAN A TENTH OF AN INCH.

* IMPACTS...SNOW...SLEET...AND FREEZING RAIN WILL RESULT IN SNOW 
  AND ICE COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

NYZ006>008-010115-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1213 PM EST WED FEB 29 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY FROM THE TUG HILL NORTHWARD AND EASTWARD. 

* TIMING...THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW...SLEET...AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING UP TO 2 INCHES THIS 
  AFTERNOON...2 TO 4 INCHES TONIGHT...AND 1 TO 3 INCHES 
  THURSDAY. ICE ACCUMULATING UP TO ONE THIRD OF AN INCH TONIGHT 
  AND LESS THAN ONE TENTH OF AN INCH THURSDAY.

* IMPACTS...SNOW AND FREEZING RAIN WILL RESULT IN SNOW AND ICE 
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
482 
WWUS41 KBUF 292017
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
317 PM EST WED FEB 29 2012

NYZ013-014-292130-
/O.EXP.KBUF.WW.Y.0011.000000T0000Z-120229T2000Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
317 PM EST WED FEB 29 2012

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTRY MIX OF PRECIPITATION HAS CHANGED OVER TO MAINLY RAIN.

$$

NYZ006>008-010430-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
317 PM EST WED FEB 29 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY FROM THE TUG HILL NORTHWARD AND EASTWARD. 

* TIMING...THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATING AN INCH OR LESS THIS
  AFTERNOON...1 TO 3 INCHES TONIGHT...AND UP TO 2 INCHES THURSDAY.
  THE GREATEST SNOW ACCUMULATIONS WILL BE AT THE HIGHER ELEVATIONS
  OF THE TUG HILL PLATEAU. ICE ACCUMULATING UP TO ONE QUARTER OF
  AN INCH TONIGHT AND LESS THAN ONE TENTH OF AN INCH THURSDAY.

* IMPACTS...SNOW AND FREEZING RAIN WILL RESULT IN SNOW AND ICE 
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
366 
WWUS41 KBUF 010157
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
857 PM EST WED FEB 29 2012

NYZ006>008-011100-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
857 PM EST WED FEB 29 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY NORTH OF THE TUG HILL.

* TIMING...THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW...SLEET AND FREEZING RAIN.

* ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATION TONIGHT AND
  THURSDAY UP TO 2 INCHES. ICE ACCUMULATION UP TO A QUARTER INCH.
  THE GREATEST SNOW ACCUMULATIONS WILL BE AT THE HIGHER ELEVATIONS
  OF THE TUG HILL PLATEAU...WITH THE GREATEST POTENTIAL FOR ICING
  IN FAR NORTHERN PORTIONS OF JEFFERSON COUNTY.

* IMPACTS...SNOW AND FREEZING RAIN WILL RESULT IN SNOW AND ICE 
  COATED ROADS AND TREACHEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

APFFEL
233 
WWUS41 KBUF 010359
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1059 PM EST WED FEB 29 2012

NYZ006>008-011200-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
1059 PM EST WED FEB 29 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY NORTH OF THE TUG HILL. 

* TIMING...THROUGH LATE THURSDAY AFTERNOON.

* HAZARDS...SNOW AND FREEZING RAIN.

* ACCUMULATIONS...ICE ACCUMULATION UP TO A TENTH OF AN INCH
  TONIGHT. ON THURSDAY AN ADDITIONAL 2 TO 4 INCHES NORTH OF THE
  TUG HILL...2 INCHES OR LESS SOUTH.

* IMPACTS...FOR TONIGHT...FREEZING RAIN AND DRIZZLE...WITH A
  PERIOD OF MODERATE SNOW ON THURSDAY MORNING. EXPECT THE WORST
  DRIVING CONDITIONS ON THURSDAY MORNING...WHEN STEADY SNOW MOVES
  IN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

APFFEL
791 
WWUS41 KBUF 010906
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
406 AM EST THU MAR 1 2012

NYZ006>008-011700-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
406 AM EST THU MAR 1 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY FROM THE TUG HILL NORTHWARD AND EASTWARD.

* TIMING...THROUGH LATE THIS AFTERNOON.

* HAZARDS...WET SNOW...PERHAPS MIXED WITH A LITTLE FREEZING RAIN
  OR SLEET EARLY THIS MORNING.

* ACCUMULATIONS...SNOW ACCUMULATING AS MUCH AS 3 TO 5 INCHES
  INCHES ACROSS THE HIGHER TERRAIN...WITH UP TO 2 INCHES ACROSS
  THE LOWER ELEVATIONS. ICE ACCUMULATING UP TO ONE TENTH OF AN
  INCH.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

JJR
153 
WWUS41 KBUF 011150
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
650 AM EST THU MAR 1 2012

NYZ006>008-012000-
/O.CON.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
650 AM EST THU MAR 1 2012

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

* LOCATIONS...OSWEGO...JEFFERSON...AND LEWIS COUNTIES...
  ESPECIALLY FROM THE TUG HILL NORTHWARD AND EASTWARD. 

* TIMING...THROUGH LATE THIS AFTERNOON.

* HAZARDS...SNOW.

* ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$

JJR
371 
WWUS41 KBUF 012016
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
316 PM EST THU MAR 1 2012

NYZ006>008-012130-
/O.CAN.KBUF.WW.Y.0011.000000T0000Z-120301T2100Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
316 PM EST THU MAR 1 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

MOST PRECIPITATION ACROSS THE EASTERN LAKE ONTARIO REGION HAS
CHANGED OVER TO RAIN OR A MIX OF RAIN AND LIGHT WET SNOW.
ADDITIONAL SIGNIFICANT ACCUMULATIONS OF SNOW ARE NOT EXPECTED.

$$

What forecasters said that day

The local office's own words before this winter weather 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 winter weather advisory went out at Feb 28, 12:48 PM EST, 2 hours 33 minutes earlier.

Area forecast discussion, Feb 28, 12:48 PM EST, 2 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
1248 PM EST TUE FEB 28 2012

.SYNOPSIS...
HIGH PRESSURE WILL BUILD EAST ACROSS NEW YORK STATE TODAY AND BRING
MAINLY DRY WEATHER TO WESTERN AND CENTRAL NEW YORK. AS THE HIGH
SLIDES OFF THE NEW ENGLAND COAST TONIGHT AND WEDNESDAY...A WARM
FRONT WILL LIFT NORTH TOWARD NEW YORK STATE. THIS WILL RESULT IN A
MIX OF PRECIPITATION ACROSS THE REGION ON WEDNESDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 1130 AM...A THINNING DECK OF CLOUDS FROM THE NIAGARA FRONTIER
TO THE FINGER LAKES WILL DIMINISH THROUGH THE EARLY AFTERNOON...ONLY
TO BE OVERSPREAD BY MID AND HIGH CLOUDS FROM THE WEST. A STRAY
FLURRY IS POSSIBLE EARLY THIS AFTERNOON BUT NO OTHER SENSIBLE
WEATHER IS EXPECTED TODAY.

TONIGHT...THE FOCUS WILL SHIFT TO THE LOW THAT IS CURRENTLY CENTERED
OVER THE SOUTHWEST PART OF THE COUNTRY. THIS LOW IS FORECAST TO LIFT
SLOWLY TO THE NORTHEAST TODAY AND TONIGHT AND REACH SOUTHERN
MINNESOTA BY DAYBREAK WEDNESDAY. A WARM FRONT EXTENDING EAST OF THE
LOW WILL LIFT NORTHEAST TOWARD OHIO OVERNIGHT. AT THE SAME TIME... A
50 TO 60 KNOT LOW LEVEL IS FORECAST TO TRACK EAST ACROSS THE OHIO
VALLEY...WHILE A TIGHT LOW LEVEL THETA-E GRADIENT DEVELOPS ALONG THE
NOSE OF THE JET. THE NORTHERN EDGE OF THIS MOISTURE GRADIENT IS
FORECAST TO REACH SOUTHWEST NEW YORK STATE AROUND 12Z. AS A
RESULT...EXPECT LIGHT PCPN TO BREAK OUT OVER OUR WESTERN SOUTHERN
TIER JUST BEFORE DAYBREAK WEDNESDAY. SINCE THE DEEPEST LOW LEVEL
MOISTURE IS FORECAST TO REMAIN JUST TO OUR SOUTH...WILL MAINTAIN
CHANCE POPS FOR MIXED PCPN ACROSS THE WESTERN SOUTHERN TIER.

THERE WILL BE A WIDE RANGE IN TEMPERATURES ACROSS THE AREA
TONIGHT...WITH READINGS EXPECTED TO DIP INTO THE TEENS EAST OF LAKE
ONTARIO...WHILE AREAS IN THE FAR WEST SEE STEADY OR SLOWLY RISING
TEMPERATURES.

&&

.SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/...
THE PRIMARY ATTENTION FOR THIS PERIOD WILL BE ON THE STRONG STORM
SYSTEM MOVING OUT OF THE UPPER MISSISSIPPI VALLEY THROUGH THE
NORTHERN GREAT LAKES. AT THIS STAGE...THERE STILL REMAINS
CONSIDERABLE QUESTION SURROUNDING THE AMOUNT OF SNOW AND FREEZING
PRECIPITATION THIS SYSTEM WILL BRING TO THE REGION.

A DEEP CYCLONE LOCATED OVER SOUTHERN MINNESOTA AT THE START OF THE
PERIOD WILL LIFT AN ELEVATED WARM FRONTAL BOUNDARY INTO THE REGION
IN RESPONSE TO A LARGE AREA OF HEIGHT FALLS...IN ADVANCE OF A LARGE
UPPER LEVEL JET STRUCTURE. WIDESPREAD PRECIPITATION WILL BE
GENERATED ALONG THIS FRONTAL ZONE...AS IT MOVES NORTHEASTWARD WITH
THE HELP OF IMPRESSIVE ISENTROPIC ASCENT. THE BETTER THETA E RIDGE
AND WARM FRONTAL SUPPORT LOOKS TO WORK ACROSS THE AREA BETWEEN 15Z
AND 21Z WEDNESDAY...SUGGESTING THIS TIME FRAME AS THE BETTER
POTENTIAL FOR HEAVIER PRECIPITATION. MODEL SOLUTIONS NOT TOTALLY
ON BOARD AS FAR AS THERMAL STRUCTURE...WHICH WILL BE CRITICAL IN
DETERMINING DETAILS TO THIS RATHER MESSY FORECAST. WARM NOSE ALOFT
MAY BE AGGRESSIVE ENOUGH TO ALLOW THE SURFACE BASED WARM LAYER TO
BECOME DEEP ENOUGH TO CHANGE OVER ANY MIXED PRECIPITATION IN THE
WEST TO ALL RAIN FAIRLY QUICKLY...WITH THE BEST POTENTIAL FOR MORE
PROLONGED ACCUMULATING SNOWFALL TO BE FROM THE FINGER LAKES
EASTWARD. WOULD NOT RULE OUT A FEW THUNDERSTORMS IN THE WARM
SECTOR AIR MASS ACROSS THE FAR WEST BY AFTERNOON AS INSTABILITY
INCREASES.

THE WARM NOSE DOES LOOK TO LIFT INTO EASTERN AREAS BY WEDNESDAY
NIGHT WITH THE LIKELIHOOD FOR SNOW TO CHANGE TO A PERIOD OF
FREEZING RAIN OR EVEN RAIN.

THE WARM NOSE DOES NOT LAST LONG INTO THURSDAY AS COLD AIR
ADVECTION TAKES OVER AND A CHANGEOVER TO SNOW OCCURS. BEST
POTENTIAL FOR ACCUMULATING SNOWS LIKELY CONFINED TO EASTERN
SECTIONS WITHIN DEEPER MOISTURE AND WEAK CONVERGENCE WITH PASSAGE
OF LOW DIRECTLY OVERHEAD.

AIR MASS BEGINS TO DRY OUT THURSDAY NIGHT AS RIDGING OVER THE LOWER
GREAT LAKES BRINGS AN END TO THE PRECIPITATION.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
AFTER A MILD START TO THIS PERIOD...IT WILL BECOME SEASONABLY CHILLY
ACROSS OUR REGION AS A LONGWAVE TROUGH BASED OVER THE ROCKIES WILL
PUSH EAST TO THE GREAT LAKES AND OHIO VALLEY. THIS TRANSITION WILL
BE HIGHLIGHTED BY YET ANOTHER GREAT LAKES 'CUTTER LOW'...ONE THAT
COULD PRODUCE AN ALL TOO FAMILIAR WIND EVENT FOR WESTERN NEW YORK.

A SUB 1000MB LOW OVER THE CENTRAL PLAINS WILL LIFT NORTHEAST ON
FRIDAY WHILE A BROAD SOUTHERLY FLOW WILL BECOME ESTABLISHED OVER OUR
FORECAST AREA. WHILE THE VARIOUS GUIDANCE PACKAGES DIFFER ON THE
PLACEMENT OF THE DEEPENING SFC LOW BY THE END OF THE DAY...THEY
GENERALLY AGREE THAT ONLY MID AND UPPER LEVEL MOISTURE WILL MAKE IT
TO OUR REGION BY NIGHTFALL. THIS SHOULD ENABLE THE VAST MAJORITY OF
OUR FORECAST AREA TO HAVE A DRY UNEVENTFUL DAY WITH SFC TEMPS
MODERATING TO ABV NORMAL LEVELS.

THE DEEPENING LOW IS FORECAST BY ALL MEDIUM RANGE PACKAGES TO LIFT
TO THE WEST OF BUFFALO FRIDAY NIGHT...ALTHOUGH THE STRENGTH AND
EXACT TRACK IS STILL SOMEWHAT IN QUESTION. IN ANY CASE...THE PASSING
STORM SYSTEM WILL SLING ITS ASSOCIATED COLD FRONT ACROSS OUR
FORECAST AREA FRIDAY NIGHT AND EARLY SATURDAY. THIS IS EXPECTED
FAIRLY WIDESPREAD SHOWER ACTIVITY...WITH SOARING H85 TEMPS (+4 TO
+6C) SUPPORTING RAIN SHOWERS OVER THE BULK OF THE REGION.

DEPENDING ON THE EXACT TRACK OF THE SFC LOW...WE COULD ONCE AGAIN BE
SUBJECTED TO STRONG GUSTY WINDS IN THE WAKE OF THE FRONTAL PASSAGE.
THIS SCENARIO WILL HAVE TO BE REVISITED AS THE GUIDANCE PACKAGES
COME MORE INTO LINE WITH EACH OTHER.

SFC BASED RIDGING...PLENTY OF MID LEVEL DRYING AND SUBSIDENCE AS A
RESULT OF BOTH SHOULD THEN LEAD TO AT LEAST PARTIAL CLEARING IN THE
AFTERNOON. THIS SHOULD ESPECIALLY BE THE CASE OVER THE WESTERN
COUNTIES.

IN THE WAKE OF THIS DEEP STORM SYSTEM...A LONG WAVE TROUGH WILL
SETTLE OVER THE REGION FOR THE SECOND HALF OF THE WEEKEND INTO EARLY
NEXT WEEK. WILL THUS CONTINUE TO CARRY LOW CHC POPS FOR POSSIBLE
LAKE INDUCED SNOW SHOWERS SUNDAY AND SUNDAY NIGHT...THEN WILL BE
OPTIMISTIC FOR MONDAY AS THE START OF SOME RIDGING IS SUGGESTED BY
THE ENSEMBLE OF PACKAGES.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
UPSLOPE CLOUDINESS ACROSS THE REGION WILL CONTINUE TO THIN AND
DISSIPATE THROUGH THE AFTERNOON...THEN BE REPLACED BY AN ENCROACHING
LAYER OF HIGH AND MID LEVEL CLOUDINESS. EXPECT ANOTHER COUPLE OF
HOURS OF MVFR CIGS AT KBUF/KIAG...THEN VFR ACROSS THE BOARD UNTIL
THE LATE NIGHT HOURS.

WARM ADVECTION WILL BRING LOWERING CLOUDINESS AND THE RISK OF A
MIXED PRECIP EVENT TOWARD DAYBREAK IN THE WESTERN PART OF THE
FORECAST AREA...TOWARD MID MORNING FARTHER TO THE EAST. EXPECT MVFR
LOWERING TO IFR BY MID MORNING AND CONTINUING AS SUCH INTO THE
AFTERNOON.

OUTLOOK...
WEDNESDAY...GRADUAL DETERIORATION TO MFR/IFR IN MIXED PCPN.
THURSDAY...MVFR RAIN AND SNOW SHOWERS LIKELY.
FRIDAY...GENERALLY VFR.
SATURDAY...MVFR IN CHC OF SHOWERS.
SUNDAY...VFR/MVFR SCTD SNOW SHOWERS.

&&

.MARINE...
THE BRISK NORTHWEST FLOW BETWEEN LOW PRESSURE OVER SOUTHERN MAINE
AND HIGH PRESSURE OVER OHIO WILL DIMINISH TODAY AS THE HIGH CRESTS
OVER NEW YORK STATE THIS AFTERNOON.

EASTERLY WINDS WILL PICK UP ON THE LAKES LATER TONIGHT INTO
WEDNESDAY MORNING AS A WARM FRONT LIFTS NORTH ACROSS OHIO. WINDS
WILL VEER TO THE SOUTH AND DIMINISH DURING THE AFTERNOON ON LAKE
ERIE...WHILE A MORE PERSISTENT EAST SOUTHEAST FLOW REMAINS IN PLACE
ON LAKE ONTARIO.

&&

.CLIMATE...
FEBRUARY 2012 HAS BEEN A PERSISTENTLY WARM MONTH...THOUGH NOT DAILY RECORD
WARMTH...THERE HAVE BEEN QUITE A NUMBER OF DAYS THIS MONTH THAT
HAVE REACHED OR EXCEEDED THE FREEZING MARK OF 32F. INCLUDING
TODAY'S MAXIMUM TEMPERATURE...BOTH BUFFALO AND ROCHESTER ARE
NEARING A RECORD NUMBER OF DAYS WITH 32F OR ABOVE MAXIMUM
TEMPERATURES THIS MONTH. WITH 2 DAYS REMAINING THIS FEBRUARY BOTH
CITIES MAY CLIMB HIGHER UP THE LIST. BELOW IS A LIST OF THE YEARS
WITH THE MOST AMOUNT OF FEBRUARY DAYS WITH FREEZING OR HIGHER
TEMPERATURES.

BUFFALO

RANK    YEAR    NUMBER OF DAYS AT
 		OR ABOVE FREEZING IN FEBRUARY

1       1998    25
2       2012    23
        1884    23
4       1877    22
        1890    22

AVG (1871-2012) 14.5

ROCHESTER

RANK 	YEAR 	NUMBER OF DAYS AT
		OR ABOVE FREEZING IN FEBRUARY

1       1952    24
        1998    24
3       2012    23
        1931    23
        1932    23

AVG (1871-2012) 15.0

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...NONE.
MARINE...NONE.

&&

SYNOPSIS...TJP
NEAR TERM...TJP/WCH
SHORT TERM...TMA
LONG TERM...RSH
AVIATION...WCH
MARINE...TJP
CLIMATE...THOMAS
Hazardous weather outlook, Feb 28, 5:53 AM EST, 9 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
553 AM EST TUE FEB 28 2012

NYZ001>005-010-011-291100-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-GENESEE-
553 AM EST TUE FEB 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PRECIPITATION WILL MOVE INTO THE REGION ON WEDNESDAY. THERE
WILL LIKELY BE A MINOR ACCUMULATION OF SNOW...AND POSSIBLY A
BRIEF PERIOD OF SLEET BEFORE THE PRECIPITATION CHANGES TO JUST
RAIN. THOUGH SNOW AND ICE ACCUMULATION ARE EXPECTED TO BE
LIGHT...TRAVEL COULD BE IMPACTED WEDNESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

NYZ012>014-019>021-085-291100-
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
553 AM EST TUE FEB 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PRECIPITATION WILL MOVE INTO THE REGION LATE TONIGHT AND WEDNESDAY.
THERE WILL LIKELY BE A MINOR ACCUMULATION OF SNOW...AND POSSIBLY
A BRIEF PERIOD OF SLEET OR FREEZING RAIN BEFORE THE PRECIPITATION
CHANGES TO JUST RAIN. THIS COULD IMPACT TRAVEL DURING THIS TIME
FRAME.

.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

NYZ006-007-291100-
OSWEGO-JEFFERSON-
553 AM EST TUE FEB 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SNOW WILL MOVE INTO THE REGION WEDNESDAY...POSSIBLY MIXING WITH
SLEET AND FREEZING RAIN LATE WEDNESDAY AND WEDNESDAY NIGHT.
THERE WILL LIKELY BE SOME SNOW ACCUMULATION...WITH A LIGHT ICING
POSSIBLE. THIS WILL LIKELY IMPACT TRAVEL WEDNESDAY AND WEDNESDAY
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

NYZ008-291100-
LEWIS-
553 AM EST TUE FEB 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ACCUMULATING SNOW WILL MOVE INTO THE REGION WEDNESDAY AND CONTINUE
THROUGH THURSDAY...POSSIBLY MIXING FOR A PERIOD WITH SLEET AND
FREEZING RAIN LATE WEDNESDAY AND WEDNESDAY NIGHT. THOUGH
UNCERTAINTY EXISTS FOR PRECIPITATION TYPES AND AMOUNTS...
CONFIDENCE IS GROWING THAT TRAVEL WILL BE IMPACTED DURING THIS
TIME FRAME.

.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-LOZ042>045-062>065-SLZ022-024-291100-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO NEARSHORE WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO NEARSHORE WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO NEARSHORE WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE
RIVER-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO OPEN WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE RIVER-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
553 AM EST TUE FEB 28 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 3:55 PM ESTSmall Craft AdvisoryBUF36 hr

Nearby

Winter Weather Advisories in New York, 2012Every winter weather advisory in 2012

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.