Alert archive / New York / Winter Storm Warnings in 2009

Winter Storm Warning 1, NWS Buffalo, NY

January 6, 2009Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this winter storm warning at Jan 6, 2009, 2:48 PM EST for Jefferson County, Lewis County, New York. It took effect at Jan 6, 2009, 10:00 PM EST. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 6, 2009, 2:48 PM EST (19:48 UTC)
In effect from
Jan 6, 2009, 10:00 PM EST
Expired
Jan 7, 2009, 6:00 PM EST
In force
20 hr
Issued by
NWS Buffalo, NY

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 19:48 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

Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 205 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, Albany, NY at 12:00Z on 2009-01-06Temperature 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, Albany, NY at 12:00Z on 2009-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -85 square meters per square second.1939587897117136156175194Sfc1 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
942 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
-85 m²/s²
0-3 km storm-relative helicity
-7 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 061948
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
248 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORIES ISSUED FOR WESTERN NEW YORK AND
WINTER STORM WARNINGS ISSUED FOR AREAS EAST OF LAKE ONTARIO...

.A STORM SYSTEM ORGANIZING OVER THE MID SECTION OF THE NATION WILL
TRACK INTO THE OHIO VALLEY TONIGHT. A SECONDARY LOW IS THEN
EXPECTED TO FORM ALONG THE SOUTHERN NEW ENGLAND COAST WEDNESDAY
AFTERNOON...WITH THE DOUBLE BARRELED LOW LIFTING OUT INTO THE
CANADIAN MARITIMES BY THURSDAY.

LIGHT SNOW WILL CONTINUE TO SPREAD NORTH ACROSS THE WESTERN
PORTION OF THE STATE DURING THE EVENING AND REACH THE EASTERN LAKE
ONTARIO REGION SHORTLY AFTER MIDNIGHT.

LATER TONIGHT WARMER AIR ALOFT IS EXPECTED TO OVERSPREAD THE
REGION FROM SOUTH TO NORTH WHILE TEMPERATURES REMAIN BELOW
FREEZING AT THE SURFACE. THIS WILL ALLOW SNOW TO MIX WITH AND
CHANGE TO SLEET AND FREEZING RAIN FROM SOUTH TO NORTH. THE
CHANGEOVER IS EXPECTED TO BEGIN IN THE SOUTHERN TIER BY LATE
EVENING THEN REACH THE SOUTH SHORE OF LAKE ONTARIO BY DAYBREAK
WEDNESDAY.

EAST OF LAKE ONTARIO...PRECIPITATION IS EXPECTED TO BE STEADIER
AND HEAVIER WEDNESDAY AND WEDNESDAY EVENING. IN ADDITION...WARM
AIR ALOFT WILL BE SLOWER TO ARRIVE...WHICH WILL ALLOW FOR MORE
SIGNIFICANT SNOW AMOUNTS BEFORE MIXING WITH SLEET AND POSSIBLY
FREEZING RAIN.

NYZ007-008-070400-
/O.UPG.KBUF.WS.A.0001.090107T0500Z-090108T1200Z/
/O.NEW.KBUF.WS.W.0001.090107T0300Z-090108T0500Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
248 PM EST TUE JAN 6 2009

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT EST WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER STORM
WARNING FOR MIXED WINTRY PRECIPITATION...WHICH IS IN EFFECT FROM
10 PM THIS EVENING TO MIDNIGHT EST WEDNESDAY NIGHT. THE WINTER
STORM WARNING REPLACES THE WINTER STORM WATCH WAS PREVIOUSLY IN
EFFECT.

SNOW AND MIXED PRECIPITATION MAY PRODUCE VERY DIFFICULT TRAVEL
LATE TONIGHT THROUGH WEDNESDAY NIGHT. SNOW IS EXPECTED TO
OVERSPREAD THE EASTERN LAKE ONTARIO REGION AROUND OR AFTER
MIDNIGHT. THE SNOW WILL CONTINUE THROUGH WEDNESDAY NIGHT...AND MAY
BE HEAVY AT TIMES. SNOW IS EXPECTED TO MIX WITH SLEET AND POSSIBLY
FREEZING RAIN FOR A TIME DURING THE DAY WEDNESDAY...ESPECIALLY
ACROSS SOUTHERN SECTIONS OF THE AREA.

SNOW AND SLEET ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE WITH
SOME LIGHT ICING ALSO POSSIBLE. THERE STILL REMAINS SOME
UNCERTAINTY IN REGARDS TO PRECIPITATION TYPE. IF MORE SLEET AND
FREEZING RAIN MIXES IN...SNOWFALL AMOUNTS MAY BE LOWER THAN
CURRENTLY EXPECTED.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. IF YOU WILL BE TRAVELING IN THE WARNING AREA YOU
SHOULD CHOOSE AN ALTERNATE ROUTE IF POSSIBLE, OR YOU SHOULD USE
EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. 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>021-070400-
/O.EXT.KBUF.WW.Y.0002.090106T1943Z-090107T2200Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
248 PM EST TUE JAN 6 2009

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

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

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW WILL CONTINUE AT TIMES THIS EVENING...AND
WILL CHANGE TO SLEET AND FREEZING RAIN OVERNIGHT. OCCASIONAL
LIGHT FREEZING RAIN OR FREEZING DRIZZLE IS EXPECTED TO CONTINUE
THROUGH MUCH OF WEDNESDAY...ESPECIALLY IN THE TYPICALLY COLDER
SHELTERED VALLEYS.

SNOW ACCUMULATIONS OF UP TO AN INCH OR TWO ARE POSSIBLE BEFORE THE
CHANGEOVER. IN CHAUTAUQUA COUNTY...ICE ACCUMULATIONS OF A TENTH TO A
QUARTER INCH ARE POSSIBLE...WITH THE GREATEST AMOUNTS EXPECTED
ACROSS THE SHELTERED VALLEYS. IN CATTARAUGUS AND ALLEGANY COUNTIES...ICE
ACCUMULATIONS MAY APPROACH A HALF INCH.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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>005-010>014-085-070400-
/O.EXT.KBUF.WW.Y.0002.090106T1943Z-090107T2200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
248 PM EST TUE JAN 6 2009

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

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

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW IS EXPECTED TO OVERSPREAD THE NIAGARA
FRONTIER...GENESEE VALLEY AND NORTHERN FINGER LAKES EARLY THIS
EVENING. THE LIGHT SNOW WILL CHANGE TO SLEET AND FREEZING RAIN
FROM SOUTHWEST TO NORTHEAST AFTER MIDNIGHT. OCCASIONAL LIGHT
FREEZING RAIN OR FREEZING DRIZZLE IS EXPECTED TO CONTINUE THROUGH
WEDNESDAY. THE FREEZING RAIN MAY CHANGE TO JUST RAIN LATER
WEDNESDAY WITH TEMPERATURES RISING JUST ABOVE FREEZING.

SNOW ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE BEFORE THE
CHANGEOVER. ICE ACCUMULATIONS OF UP TO A TENTH OF AN INCH ARE
POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

NYZ006-070400-
/O.CON.KBUF.WW.Y.0002.090107T0100Z-090107T2200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
248 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 PM EST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 PM EST WEDNESDAY. 

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW IS EXPECTED TO OVERSPREAD OSWEGO COUNTY
LATER THIS EVENING. THE LIGHT SNOW WILL BEGIN TO MIX WITH SLEET
AND FREEZING RAIN BY LATE TONIGHT. ON WEDNESDAY A MIX OF SNOW...
SLEET...AND FREEZING RAIN WILL CHANGE MAINLY TO FREEZING RAIN...
ESPECIALLY OVER WESTERN AND SOUTHERN SECTIONS OF THE COUNTY.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED...WITH 4 TO
7 INCHES POSSIBLE ACROSS THE TUG HILL. ICE ACCUMULATIONS OF UP TO
A TENTH OF AN INCH ARE ALSO POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

ZAFF
5 follow-up statements
000 
WWUS41 KBUF 062018 CCA
WSWBUF

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE BUFFALO NY
314 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORIES ISSUED FOR WESTERN NEW YORK AND
WINTER STORM WARNINGS ISSUED FOR AREAS EAST OF LAKE ONTARIO...

.A STORM SYSTEM ORGANIZING OVER THE MID SECTION OF THE NATION WILL
TRACK INTO THE OHIO VALLEY TONIGHT. A SECONDARY LOW IS THEN
EXPECTED TO FORM ALONG THE SOUTHERN NEW ENGLAND COAST WEDNESDAY
AFTERNOON...WITH THE DOUBLE BARRELED LOW LIFTING OUT INTO THE
CANADIAN MARITIMES BY THURSDAY.

LIGHT SNOW WILL CONTINUE TO SPREAD NORTH ACROSS THE WESTERN
PORTION OF THE STATE DURING THE EVENING AND REACH THE EASTERN LAKE
ONTARIO REGION SHORTLY AFTER MIDNIGHT.

LATER TONIGHT WARMER AIR ALOFT IS EXPECTED TO OVERSPREAD THE
REGION FROM SOUTH TO NORTH WHILE TEMPERATURES REMAIN BELOW
FREEZING AT THE SURFACE. THIS WILL ALLOW SNOW TO MIX WITH AND
CHANGE TO SLEET AND FREEZING RAIN FROM SOUTH TO NORTH. THE
CHANGEOVER IS EXPECTED TO BEGIN IN THE SOUTHERN TIER BY LATE
EVENING THEN REACH THE SOUTH SHORE OF LAKE ONTARIO BY DAYBREAK
WEDNESDAY.

EAST OF LAKE ONTARIO...PRECIPITATION IS EXPECTED TO BE STEADIER
AND HEAVIER WEDNESDAY AND WEDNESDAY EVENING. IN ADDITION...WARM
AIR ALOFT WILL BE SLOWER TO ARRIVE...WHICH WILL ALLOW FOR MORE
SIGNIFICANT SNOW AMOUNTS BEFORE MIXING WITH SLEET AND POSSIBLY
FREEZING RAIN.

NYZ007-008-070430-
/O.UPG.KBUF.WS.A.0001.090107T0500Z-090108T1200Z/
/O.COR.KBUF.WS.W.0001.090107T0300Z-090108T0500Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
314 PM EST TUE JAN 6 2009

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT EST WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER STORM
WARNING FOR MIXED WINTRY PRECIPITATION...WHICH IS IN EFFECT FROM
10 PM THIS EVENING TO MIDNIGHT EST WEDNESDAY NIGHT. THE WINTER
STORM WARNING REPLACES THE WINTER STORM WATCH WHICH WAS
PREVIOUSLY IN EFFECT.

SNOW AND MIXED PRECIPITATION MAY PRODUCE VERY DIFFICULT TRAVEL
LATE TONIGHT THROUGH WEDNESDAY NIGHT. SNOW IS EXPECTED TO
OVERSPREAD THE EASTERN LAKE ONTARIO REGION AROUND OR AFTER
MIDNIGHT. THE SNOW WILL CONTINUE THROUGH WEDNESDAY NIGHT...AND MAY
BE HEAVY AT TIMES. SNOW IS EXPECTED TO MIX WITH SLEET AND POSSIBLY
FREEZING RAIN FOR A TIME DURING THE DAY WEDNESDAY...ESPECIALLY
ACROSS SOUTHERN SECTIONS OF THE AREA.

SNOW AND SLEET ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE WITH
SOME LIGHT ICING ALSO POSSIBLE. THERE STILL REMAINS SOME
UNCERTAINTY IN REGARDS TO PRECIPITATION TYPE. IF MORE SLEET AND
FREEZING RAIN MIXES IN...SNOWFALL AMOUNTS MAY BE LOWER THAN
CURRENTLY EXPECTED.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. IF YOU WILL BE TRAVELING IN THE WARNING AREA YOU
SHOULD CHOOSE AN ALTERNATE ROUTE IF POSSIBLE, OR YOU SHOULD USE
EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. 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>021-070430-
/O.EXT.KBUF.WW.Y.0002.090106T1943Z-090107T2200Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
314 PM EST TUE JAN 6 2009

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

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

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW WILL CONTINUE AT TIMES THIS EVENING...AND
WILL CHANGE TO SLEET AND FREEZING RAIN OVERNIGHT. OCCASIONAL
LIGHT FREEZING RAIN OR FREEZING DRIZZLE IS EXPECTED TO CONTINUE
THROUGH MUCH OF WEDNESDAY...ESPECIALLY IN THE TYPICALLY COLDER
SHELTERED VALLEYS.

SNOW ACCUMULATIONS OF UP TO AN INCH OR TWO ARE POSSIBLE BEFORE THE
CHANGEOVER. IN CHAUTAUQUA COUNTY...ICE ACCUMULATIONS OF A TENTH TO A
QUARTER INCH ARE POSSIBLE...WITH THE GREATEST AMOUNTS EXPECTED
ACROSS THE SHELTERED VALLEYS. IN CATTARAUGUS AND ALLEGANY COUNTIES...ICE
ACCUMULATIONS MAY APPROACH A HALF INCH.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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>005-010>014-085-070430-
/O.EXT.KBUF.WW.Y.0002.090106T1943Z-090107T2200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
314 PM EST TUE JAN 6 2009

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

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

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW IS EXPECTED TO OVERSPREAD THE NIAGARA
FRONTIER...GENESEE VALLEY AND NORTHERN FINGER LAKES EARLY THIS
EVENING. THE LIGHT SNOW WILL CHANGE TO SLEET AND FREEZING RAIN
FROM SOUTHWEST TO NORTHEAST AFTER MIDNIGHT. OCCASIONAL LIGHT
FREEZING RAIN OR FREEZING DRIZZLE IS EXPECTED TO CONTINUE THROUGH
WEDNESDAY. THE FREEZING RAIN MAY CHANGE TO JUST RAIN LATER
WEDNESDAY WITH TEMPERATURES RISING JUST ABOVE FREEZING.

SNOW ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE BEFORE THE
CHANGEOVER. ICE ACCUMULATIONS OF UP TO A TENTH OF AN INCH ARE
POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

NYZ006-070430-
/O.CON.KBUF.WW.Y.0002.090107T0100Z-090107T2200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
314 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 PM EST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 PM EST WEDNESDAY. 

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW IS EXPECTED TO OVERSPREAD OSWEGO COUNTY
LATER THIS EVENING. THE LIGHT SNOW WILL BEGIN TO MIX WITH SLEET
AND FREEZING RAIN BY LATE TONIGHT. ON WEDNESDAY A MIX OF SNOW...
SLEET...AND FREEZING RAIN WILL CHANGE MAINLY TO FREEZING RAIN...
ESPECIALLY OVER WESTERN AND SOUTHERN SECTIONS OF THE COUNTY.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED...WITH 4 TO
7 INCHES POSSIBLE ACROSS THE TUG HILL. ICE ACCUMULATIONS OF UP TO
A TENTH OF AN INCH ARE ALSO POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

ZAFF
000 
WWUS41 KBUF 070320
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1020 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORIES CONTINUE FOR WESTERN NEW YORK AND
WINTER STORM WARNINGS CONTINUE FOR AREAS EAST OF LAKE ONTARIO...

.A STORM SYSTEM CENTERED OVER THE LOWER OHIO VALLEY WILL CONTINUE
TO TRACK NORTHEAST OVERNIGHT. A SECONDARY LOW IS THEN EXPECTED TO
FORM ALONG THE SOUTHERN NEW ENGLAND COAST WEDNESDAY
AFTERNOON...WITH THE DOUBLE BARRELED LOW LIFTING OUT INTO THE
CANADIAN MARITIMES BY THURSDAY.

WIDESPREAD PRECIPITATION WILL CONTINUE TO ADVANCE NORTHEAST
OVERNIGHT.

WARMER AIR ALOFT HAS ALREADY CHANGED MUCH OF THE PRECIPITATION TO
FREEZING RAIN AND SLEET FROM THE BUFFALO SOUTHWARD. 

EAST OF LAKE ONTARIO...PRECIPITATION IS EXPECTED TO BE STEADIER
HEAVIER LATE TONIGHT THROUGH WEDNESDAY EVENING. IN ADDITION...WARM
AIR ALOFT WILL BE SLOWER TO ARRIVE...WHICH WILL ALLOW FOR MORE
SIGNIFICANT SNOW AMOUNTS BEFORE MIXING WITH SLEET AND POSSIBLY
FREEZING RAIN.

NYZ007-008-071130-
/O.CON.KBUF.WS.W.0001.000000T0000Z-090108T0500Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1020 PM EST TUE JAN 6 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
WEDNESDAY NIGHT...

SNOW MAY PRODUCE VERY DIFFICULT TRAVEL OVERNIGHT. SNOW IS
EXPECTED TO OVERSPREAD THE EASTERN LAKE ONTARIO REGION AROUND OR
AFTER MIDNIGHT. THE SNOW WILL CONTINUE THROUGH WEDNESDAY
NIGHT...AND MAY BE HEAVY AT TIMES. SNOW IS EXPECTED TO MIX WITH
SLEET AND POSSIBLY FREEZING RAIN FOR A TIME DURING THE DAY
WEDNESDAY...ESPECIALLY ACROSS SOUTHERN SECTIONS OF THE AREA.

SNOW AND SLEET ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE WITH
SOME LIGHT ICING ALSO POSSIBLE. THERE STILL REMAINS SOME
UNCERTAINTY IN REGARDS TO PRECIPITATION TYPE. IF MORE SLEET AND
FREEZING RAIN MIXES IN...SNOWFALL AMOUNTS MAY BE LOWER THAN
CURRENTLY EXPECTED.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. IF YOU WILL BE TRAVELING IN THE WARNING AREA YOU
SHOULD CHOOSE AN ALTERNATE ROUTE IF POSSIBLE... OR YOU SHOULD USE
EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. 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>021-071130-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090107T2200Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
1020 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST
WEDNESDAY...

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. WE EXPECT MAINLY FREEZING RAIN AND A LITTLE SLEET
OVERNIGHT AND OCCASIONAL LIGHT FREEZING RAIN OR FREEZING DRIZZLE
THROUGH MUCH OF WEDNESDAY...EVENTUALLY CHANGING TO SNOW.

ICE ACCUMULATIONS OF A TENTH TO A QUARTER INCH ARE
POSSIBLE OVERNIGHT...WITH THE GREATEST AMOUNTS EXPECTED ACROSS THE
SHELTERED VALLEYS. IN CATTARAUGUS AND ALLEGANY COUNTIES...ICE
ACCUMULATIONS MAY APPROACH A HALF INCH.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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>005-010>014-085-071130-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090107T2200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
1020 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST
WEDNESDAY...

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. SNOW WILL MIX WITH AND CHANGE TO FREEZING RAIN AND
SLEET FROM SOUTHWEST TO NORTHEAST OVERNIGHT.

SNOW ACCUMULATIONS OF ONLY AN INCH OR TWO ARE LIKELY...MAINLY
NORTHEAST OF A BUFFALO WARSAW LINE WHERE THE CHANGE OVER TO A MIX
WILL BE LATER. ICE ACCUMULATIONS OF UP TO A TENTH OF AN INCH ARE
POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

NYZ006-071130-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090107T2200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
1020 PM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST
WEDNESDAY...

A WINTRY MIX WILL PRODUCE SLIPPERY TRAVEL TONIGHT THROUGH
WEDNESDAY. LIGHT SNOW IS EXPECTED TO CONTINUE THROUGH THE NIGHT.
IT WILL BEGIN TO MIX WITH SLEET AND FREEZING RAIN BY LATE
TONIGHT. ON WEDNESDAY A MIX OF SNOW... SLEET...AND FREEZING RAIN
WILL CHANGE MAINLY TO FREEZING RAIN... ESPECIALLY OVER WESTERN AND
SOUTHERN SECTIONS OF THE COUNTY.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED...WITH 4 TO
7 INCHES POSSIBLE ACROSS THE TUG HILL. ICE ACCUMULATIONS OF UP TO
A TENTH OF AN INCH ARE ALSO POSSIBLE.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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 070948
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
448 AM EST WED JAN 7 2009

...WINTER WEATHER ADVISORIES CONTINUE FOR WESTERN NEW YORK AND
WINTER STORM WARNINGS CONTINUE FOR AREAS EAST OF LAKE ONTARIO...

.LOW PRESSURE CENTERED OVER NORTHERN OHIO EARLY THIS MORNING WILL 
TRACK TO THE NORTHEAST AND CROSS LAKE ONTARIO THIS AFTERNOON...THEN
MERGE WITH A SECOND LOW MOVING UP THE NEW ENGLAND COAST TONIGHT.

MIXED PRECIPITATION WILL CHANGE TO RAIN LATER THIS MORNING ACROSS
WESTERN NEW YORK AND THE GENESEE VALLEY. EAST OF LAKE
ONTARIO...SNOW AND SLEET MAY MIX WITH FREEZING RAIN AT TIMES. 

AS COLDER AIR WORKS IN BEHIND THE DEPARTING STORM LATE THIS
AFTERNOON AND TONIGHT...ALL THE PRECIPITATION WILL CHANGE OVER TO
SNOW.

NYZ007-008-071800-
/O.EXT.KBUF.WS.W.0001.000000T0000Z-090108T1000Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
448 AM EST WED JAN 7 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM EST THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM EST
THURSDAY. 

A WINTRY MIX OF PRECIPITATION WILL RESULT IN DIFFICULT DRIVING
CONDITIONS TODAY THROUGH TONIGHT.

SNOW AND SLEET WILL MIX WITH FREEZING RAIN AT TIMES TODAY.
ANOTHER 2 TO 5 INCHES OF SNOW AND SLEET IS POSSIBLE...WITH ICE
ACCUMULATIONS OF UP TO ONE TENTH INCH EXPECTED. ALL MIXED
PRECIPITATION WILL CHANGE TO SNOW TONIGHT. ADDITIONAL
ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY MORNING. THE SNOW
WILL ALSO BE ACCOMPANIED BY INCREASING WESTERLY WINDS TONIGHT.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. IF YOU WILL BE TRAVELING IN THE WARNING AREA YOU
SHOULD CHOOSE AN ALTERNATE ROUTE IF POSSIBLE... OR YOU SHOULD USE
EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. 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>021-071800-
/O.EXT.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
448 AM EST WED JAN 7 2009

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

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

FREEZING RAIN WILL CREATE VERY SLICK ROADS ACROSS THE AREA THIS
MORNING. SNOW AND INCREASING WINDS WILL MAKE DRIVING HAZARDOUS
TONIGHT. 

RAIN WILL OCCASIONALLY MIX WITH FREEZING RAIN AT TIMES THIS
MORNING...ESPECIALLY ACROSS THE INTERIOR VALLEYS WHERE
TEMPERATURES WILL REMAIN BELOW FREEZING THE LONGEST. ADDITIONAL
ICE ACCUMULATIONS OF UP TO ONE TENTH OF AN INCH ARE POSSIBLE.

LATER THIS AFTERNOON...THE RAIN WILL CHANGE TO SNOW AS COLDER AIR
MOVES INTO THE AREA. THE SNOW WILL CONTINUE TONIGHT AND ACCUMULATE
2 TO 5 INCHES. THE SNOW WILL ALSO BE ACCOMPANIED BY INCREASING
WESTERLY WINDS TONIGHT. 


A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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>005-010>014-085-071800-
/O.EXT.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
448 AM EST WED JAN 7 2009

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

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

FREEZING RAIN WILL PRODUCE VERY SLIPPERY CONDITIONS ACROSS THE
AREA THIS MORNING. A CHANGEOVER TO ALL SNOW AND INCREASING
WESTERLY WINDS WILL MAKE DRIVING HAZARDOUS TONIGHT.

FREEZING RAIN WILL CHANGE TO OCCASIONAL RAIN AND DRIZZLE THIS
MORNING. ADDITIONAL ICE ACCUMULATION OF LESS THAN ONE TENTH
OF AN INCH EXPECTED. EXPECT PERIODS OF SNOW TONIGHT WITH 1 TO 3
INCHES POSSIBLE BY THURSDAY MORNING. ACCUMULATIONS OF 2 TO 5
INCHES ARE LIKELY WELL SOUTH OF BUFFALO AND BATAVIA. THE SNOW
WILL ALSO BE ACCOMPANIED BY WESTERLY WINDS GUSTING UP TO 35 MPH AT
TIMES.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

NYZ006-071800-
/O.EXT.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
448 AM EST WED JAN 7 2009

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

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

WINTRY MIX OF PRECIPITATION TO CREATE VERY SLIPPERY CONDITIONS
TODAY AND TONIGHT. 

SLEET AND FREEZING RAIN WILL PRODUCE AN ADDITIONAL ICE
ACCUMULATION UP TO ONE QUARTER OF AN INCH TODAY. THE FROZEN
PRECIPITATION MAY CHANGE TO RAIN CLOSE TO LAKE ONTARIO DURING THE
AFTERNOON. ALL MIXED PRECIPITATION WILL CHANGE TO SNOW TONIGHT.
EXPECT ACCUMULATIONS OF 3 TO 5 INCHES BY THURSDAY MORNING. THE
SNOW WILL ALSO BE ACCOMPANIED BY BRISK WESTERLY WINDS TONIGHT. 

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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 071501
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1001 AM EST WED JAN 7 2009

...WINTER WEATHER ADVISORIES CONTINUE FOR WESTERN NEW YORK AND
WINTER STORM WARNINGS CONTINUE FOR AREAS EAST OF LAKE ONTARIO...

.LOW PRESSURE CENTERED OVER SOUTHERN ONTARIO AT MID MORNING WILL
TRACK TO THE NORTHEAST AND CROSS LAKE ONTARIO THIS AFTERNOON...
THEN MERGE WITH A SECOND LOW MOVING UP THE NEW ENGLAND COAST
TONIGHT.

COLDER VALLEYS OF THE SOUTHERN TIER AND THE WESTERN FINGER LAKES
WILL EXPERIENCE SOME ADDITIONAL FREEZING RAIN THROUGH THE REST OF
THE MORNING THEN WILL CHANGE OVER TO RAIN BY NOON. EAST OF LAKE
ONTARIO...SNOW AND SLEET MAY MIX WITH FREEZING RAIN AT TIMES
ESPECIALLY SOUTH AND WEST OF THE TUG HILL PLATEAU.

AS COLDER AIR WORKS IN BEHIND THE DEPARTING STORM LATE THIS
AFTERNOON AND TONIGHT...ALL THE PRECIPITATION WILL CHANGE OVER TO
SNOW.

NYZ007-008-072315-
/O.CON.KBUF.WS.W.0001.000000T0000Z-090108T1000Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1001 AM EST WED JAN 7 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST THURSDAY.

A WINTRY MIX OF PRECIPITATION WILL RESULT IN DIFFICULT DRIVING
CONDITIONS TODAY THROUGH TONIGHT.

SNOW AND SLEET WILL MIX WITH FREEZING RAIN AT TIMES TODAY.
ANOTHER 2 TO 5 INCHES OF SNOW AND SLEET IS POSSIBLE...WITH ICE
ACCUMULATIONS OF UP TO ONE TENTH INCH EXPECTED. ALL MIXED
PRECIPITATION WILL CHANGE TO SNOW TONIGHT. ADDITIONAL OVERNIGHT
ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. THE SNOW WILL ALSO
BE ACCOMPANIED BY INCREASING WESTERLY WINDS TONIGHT.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. IF YOU WILL BE TRAVELING IN THE WARNING AREA YOU
SHOULD CHOOSE AN ALTERNATE ROUTE IF POSSIBLE... OR YOU SHOULD USE
EXTREME CAUTION IF TRAVEL IS UNAVOIDABLE. 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>021-072315-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE
1001 AM EST WED JAN 7 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY. 

RAIN WILL OCCASIONALLY MIX WITH FREEZING RAIN AT TIMES THIS
MORNING...ESPECIALLY ACROSS THE INTERIOR VALLEYS WHERE
TEMPERATURES WILL REMAIN BELOW FREEZING THE LONGEST. ADDITIONAL
ICE ACCUMULATIONS OF UP TO ONE TENTH OF AN INCH ARE POSSIBLE
BEFORE THEN CHANGEOVER TO ALL RAIN.

LATER THIS AFTERNOON...THE RAIN WILL CHANGE TO SNOW AS COLDER AIR
MOVES INTO THE AREA. THE SNOW WILL CONTINUE TONIGHT AND
ACCUMULATE 2 TO 5 INCHES. THE SNOW WILL ALSO BE ACCOMPANIED BY
INCREASING WESTERLY WINDS TONIGHT.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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>005-010>014-085-072315-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...WARSAW...GENESEO...
CANANDAIGUA...ORCHARD PARK...SPRINGVILLE
1001 AM EST WED JAN 7 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY. 

MOST AREAS WILL EXPERIENCE RAIN LATE THIS MORNING THROUGH EARLY
AFTERNOON. THE RAIN WILL CHANGE TO SNOW BY LATE AFTERNOON...THEN SNOW
AND INCREASING WESTERLY WINDS WILL MAKE DRIVING HAZARDOUS TONIGHT.
EXPECT PERIODS OF SNOW TONIGHT WITH 1 TO 3 INCHES POSSIBLE BY
THURSDAY MORNING. SOME HIGHER ACCUMULATIONS OF 2 TO 5 INCHES ARE
LIKELY WELL SOUTH OF BUFFALO AND BATAVIA. THE SNOW WILL ALSO BE
ACCOMPANIED BY WESTERLY WINDS GUSTING UP TO 35 MPH AT TIMES.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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.

$$

NYZ006-072315-
/O.CON.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
1001 AM EST WED JAN 7 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
THURSDAY. 

WINTRY MIX OF PRECIPITATION TO CREATE VERY SLIPPERY CONDITIONS
TODAY AND TONIGHT.

SLEET AND FREEZING RAIN WILL PRODUCE AN ADDITIONAL ICE
ACCUMULATION UP TO ONE QUARTER OF AN INCH TODAY. THE FROZEN
PRECIPITATION MAY CHANGE TO RAIN CLOSE TO LAKE ONTARIO DURING THE
AFTERNOON. ALL MIXED PRECIPITATION WILL CHANGE TO SNOW TONIGHT.
EXPECT ACCUMULATIONS OF 3 TO 5 INCHES BY THURSDAY MORNING. THE
SNOW WILL ALSO BE ACCOMPANIED BY BRISK WESTERLY WINDS TONIGHT.

A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF
WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...SLEET AND FREEZING
RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. ROADS WILL
BECOME SLIPPERY TONIGHT AND WEDNESDAY. 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 072048
WSWBUF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
348 PM EST WED JAN 7 2009

...SIGNIFICANT LAKE EFFECT SNOWS EAST OF BOTH LAKES TONIGHT...

.DEEPENING LOW PRESSURE OVER LAKE ONTARIO THIS EVENING WILL MOVE
ACROSS THE SAINT LAWRENCE RIVER VALLEY TONIGHT. THE COLD WESTERLY 
FLOW IN ITS WAKE WILL GENERATE SIGNIFICANT LAKE SNOWS EAST AND
SOUTHEAST OF BOTH LAKES ERIE AND ONTARIO...ESPECIALLY LATER
TONIGHT WHEN SNOWFALL RATES OF ONE TO TWO INCHES AN HOUR CAN BE
EXPECTED.

THE WINDS WILL BECOME MORE NORTHWESTERLY ON THURSDAY...AND THIS
WILL SEND THE STEADIEST LAKE SNOWS FURTHER TO THE SOUTH. 

NYZ012-085-080500-
/O.CAN.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
/O.NEW.KBUF.LE.Y.0029.090107T2300Z-090108T1100Z/
WYOMING-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...ORCHARD PARK...SPRINGVILLE
348 PM EST WED JAN 7 2009

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

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

COLD SOUTHWESTERLY WINDS IN THE WAKE OF AN EXITING STORM SYSTEM
WILL GENERATE ACCUMULATING LAKE EFFECT SNOW TONIGHT. SNOWFALL
AMOUNTS OF 3 TO 6 INCHES CAN BE EXPECTED BY THURSDAY MORNING...
WITH THE MAJORITY OF THE LAKE EFFECT SNOW FALLING BETWEEN MIDNIGHT
AND DAYBREAK. THE LAKE SNOWS ARE THEN EXPECTED TO BECOME MORE
FOCUSED ON AREAS FURTHER TO THE SOUTH DURING THE DAY THURSDAY.

THE LAKE EFFECT SNOW WILL BE ACCOMPANIED BY GUSTY WINDS. SOUTHWEST
WINDS OF 15 TO 25 MPH WILL BECOME WESTERLY OVERNIGHT WHEN GUSTS
COULD REACH 40 MPH. THIS WILL RESULT IN SOME BLOWING SNOW WITH
GREATLY REDUCED VISIBILITIES...PARTICULARLY OVER THE HIGHER
TERRAIN. 

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.

$$

NYZ001>005-010-011-013-014-021-072200-
/O.CAN.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-ALLEGANY-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA...GENESEO...CANANDAIGUA...
WELLSVILLE
348 PM EST WED JAN 7 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

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

THE ICY MIXED PRECIPITATION FROM EARLIER IN THE DAY HAS ENDED AS
DRIER AND SLIGHTLY MILDER AIR HAS TEMPORARILY OVERSPREAD THE
MAJORITY OF THE REGION.

WHILE THE THREAT FOR ICY PRECIPITATION HAS ENDED...A GENERAL 1 TO
3 INCH ACCUMULATION OF LAKE EFFECT SNOW WILL BE POSSIBLE DURING
THE COURSE OF TONIGHT. MOTORISTS SHOULD STILL BE PREPARED FOR
SLICK CONDITIONS. 

$$

NYZ007-008-080500-
/O.NEW.KBUF.LE.W.0001.090107T2300Z-090108T1100Z/
/O.EXT.KBUF.WS.W.0001.000000T0000Z-090107T2300Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
348 PM EST WED JAN 7 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...
...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 6 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT UNTIL 6 AM EST THURSDAY. THE
WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. 

LEFTOVER MIXED PRECIPITATION WILL KEEP MANY SECONDARY ROADS SLICK
THIS EVENING. COLDER AIR WRAPPING IN BEHIND AN EXITING STORM
SYSTEM TONIGHT WILL THEN CHANGE ANY LEFTOVER MIXED PRECIPITATION
TO LAKE EFFECT SNOW.

SNOWFALL AMOUNTS OF 8 TO 12 INCHES WILL BE POSSIBLE TONIGHT...WITH
THE HIGHEST SNOWFALL AMOUNTS EXPECTED OVER THE TUG HILL REGION.
THE MAJORITY OF THE LAKE EFFECT SNOW WILL FALL BETWEEN MIDNIGHT
AND DAYBREAK THURSDAY WHEN SNOWFALL RATES OF AN INCH OR TWO AN
HOUR CAN BE EXPECTED. THE LAKE SNOWS OVER THE TUG EARLY THURSDAY
MORNING ARE THEN EXPECTED TO BECOME MORE FOCUSED ON AREAS FURTHER
TO THE SOUTH DURING THE DAY THURSDAY.

A WINTER STORM WARNING IS ISSUED WHEN SEVERE WINTER WEATHER IS
EXPECTED. HEAVY SNOW AND/OR ICE WILL CAUSE HAZARDOUS DRIVING
CONDITIONS. 

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL
BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN
ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO
OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST
UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT
WWW.WEATHER.GOV/BUFFALO.

$$

NYZ006-080500-
/O.UPG.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
/O.NEW.KBUF.LE.W.0001.090107T2300Z-090108T1100Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
348 PM EST WED JAN 7 2009

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

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

COLD WEST TO SOUTHWEST WINDS IN THE WAKE OF AN EXITING STORM
SYSTEM WILL GENERATE SIGNIFICANT AMOUNTS OF LAKE EFFECT SNOW
TONIGHT. SNOWFALL AMOUNTS OF 8 TO 12 INCHES CAN BE EXPECTED BY
THURSDAY MORNING...WITH THE MAJORITY OF THE LAKE EFFECT SNOW
FALLING OVER THE TUG HILL PLATEAU. THE STEADIEST LAKE SNOWS WILL
FALL AFTER MIDNIGHT TONIGHT WHEN SNOWFALL RATES OF AN INCH OR TWO
AN HOUR CAN BE EXPECTED. 

THE LAKE SNOWS ARE EXPECTED TO DRIFT FURTHER TO THE SOUTH ACROSS
MUCH OF THE REMAINDER OF THE COUNTY DURING THE DAY THURSDAY WHEN
ADDITIONAL ACCUMULATIONS ARE EXPECTED.

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.

$$

NYZ019-020-080500-
/O.UPG.KBUF.WW.Y.0002.000000T0000Z-090108T1000Z/
/O.NEW.KBUF.LE.W.0001.090107T2300Z-090108T1100Z/
CHAUTAUQUA-CATTARAUGUS-
INCLUDING THE CITIES OF...JAMESTOWN...OLEAN
348 PM EST WED JAN 7 2009

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

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

COLD SOUTHWESTERLY WINDS IN THE WAKE OF AN EXITING STORM SYSTEM
WILL GENERATE SIGNIFICANT AMOUNTS OF LAKE EFFECT SNOW TONIGHT.
SNOWFALL AMOUNTS OF 8 TO 10 INCHES CAN BE EXPECTED BY THURSDAY
MORNING ACROSS MUCH OF CHAUTAUQUA COUNTY AND THE NORTHWESTERN
THIRD OF CATTARAUGUS COUNTY...WITH THE MAJORITY OF THE LAKE
EFFECT SNOW FALLING BETWEEN MIDNIGHT AND DAYBREAK. SNOWFALL RATES
OF AN INCH OR TWO AN HOUR CAN BE EXPECTED OVERNIGHT. 

THE LAKE SNOWS ARE THEN EXPECTED TO BECOME MORE FOCUSED ALONG AND
JUST EAST OF THE CHAUTAUQUA RIDGE DURING THE DAY THURSDAY WHEN
ADDITIONAL ACCUMULATIONS ARE EXPECTED.

THE LAKE EFFECT SNOW WILL BE ACCOMPANIED BY GUSTY WINDS. SOUTHWEST
WINDS OF 15 TO 25 MPH WILL BECOME WESTERLY OVERNIGHT WHEN GUSTS
COULD REACH 40 MPH. THIS WILL RESULT IN SOME BLOWING SNOW WITH
GREATLY REDUCED VISIBILITIES...PARTICULARLY OVER THE HIGHER
TERRAIN. 

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.

$$

RSH

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Jan 6, 2:40 PM EST, 8 minutes earlier.

Area forecast discussion, Jan 6, 2:40 PM EST, 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
240 PM EST TUE JAN 6 2009

.SYNOPSIS...
LOW PRESSURE OVER THE TENNESSEE VALLEY WILL LIFT NORTHEAST TO
WESTERN NEW YORK ON WEDNESDAY AND SPREAD A WINTRY MIX OF
PRECIPITATION ACROSS ALL OF OUR AREA TONIGHT AND WEDNESDAY. COLDER
AIR WILL SWEEP IN BEHIND THE SYSTEM WITH SNOW SHOWERS AND ENHANCED
LAKE SNOWS SOUTHEAST OF THE LAKES THURSDAY INTO EARLY FRIDAY.
ANOTHER LOW PASSING ACROSS THE LAKES WILL PROVIDE THE NEXT GENERAL
SNOWFALL FRIDAY NIGHT INTO SATURDAY MORNING.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
THE VERY WEAK LAKE EFFECT TO THE EAST OF LAKE ONTARIO HAS DISSIPATED
AS THE WINDS HAVE BECOME MORE SOUTHERLY OVER CENTRAL NY. WARM FRONT
LOCATED ALONG THE OHIO VALLEY TO WESTERN SLOPES OF THE APPALACHIANS.
AREA OF SNOW AND MIXED PRECIP OVER OHIO AND NORTHERN INDIANA IS
SPREADING EAST AND NORTH AS PROGGED AND SHOULD REACH THE WESTERN
SOUTHERN TIER AROUND 21-22Z. EVERYTHING SEEMS TO BE GOING ALONG AS
FORECAST...NO CHANGES AT THIS TIME. PREVIOUS DISCUSSION FOLLOWS.

OUR ATTENTION THEN TURNS TO THE SYNOPTIC SCALE. MOISTURE CHANNEL
IMAGERY SHOWING A WELL DEFINED SUB-TROPICAL JET EXTENDING ACROSS
NORTHERN MEXICO UP INTO THE EASTERN HALF OF THE CONUS. A BAROCLINIC
LEAF IS JUST STARTING TO TAKE SHAPE OVER THE MID SECTION OF THE
NATION...AND WILL GROW MORE WELL DEFINED TODAY AS CYCLOGENESIS GETS
UNDERWAY OVER THE LOWER OHIO VALLEY. MODELS CONTINUE TO BE IN
REASONABLE AGREEMENT WITH THE LARGE SCALE FEATURES...ALTHOUGH STILL
DIFFER IN THE FINER SYNOPTIC SCALE DETAILS AND ESPECIALLY IN THERMAL
PROFILES. FROM A FORCING STANDPOINT...THE INITIAL WARM ADVECTION
WING OF THE SYSTEM WILL LIFT ACROSS NEW YORK TONIGHT WITH
WAA/ISENTROPIC LIFT SUPPORTING LARGE SCALE FORCING FOR ASCENT. THE
LOW LEVEL WAA WILL BE SUPPORTED ALOFT BY RIGHT ENTRANCE REGION JET
DYNAMICS FROM A POWERFUL 170+ KNOT UPPER LEVEL JET LIFTING ACROSS
NEW ENGLAND. EXPECT PRECIP TO REACH THE SOUTHERN TIER BETWEEN
22Z-00Z THEN THE SOUTH SHORE OF LAKE ONTARIO BY 01Z-03Z AND FINALLY
REACH THE NORTH COUNTRY BY 05Z-07Z.

AS FAR AS AMOUNTS GO...THIS INITIAL WAA PRECIP IS NOT LOOKING
IMPRESSIVE AT ALL. BOTH THE NAM/GFS TAKE THE DEEPEST PLUME OF
MOISTURE THROUGH CENTRAL AND EASTERN PA INTO SOUTHEAST NY...WITH
WEAKER LIFT AND MOISTURE EXTENDING BACK TO THE WEST ACROSS OUR CWA.
OVERALL QPF LOOKS TO BE ON THE ORDER OF A TENTH TO A THIRD OF AN
INCH FOR THE TUESDAY NIGHT PERIOD. PRECIP TYPE FORECAST REMAINS
TRICKY. MUCH PREFER THE WARMER GFS SOLUTION WITH RESPECT TO
TEMPERATURES ALOFT. LAST YEAR WE SAW A NUMBER OF SYSTEMS ALONG THIS
SIMILAR TRACK...AND EACH AND EVERY ONE SPREAD WARM AIR ALOFT FARTHER
NORTH THAN FORECAST BY MODEL GUIDANCE. HAVE THUS BROUGHT THE
CHANGEOVER FARTHER NORTH AND FASTER THAN EVEN THE GFS...WITH A
WINTRY MIX REACHING THE SOUTH SHORE OF LAKE ONTARIO AFTER MIDNIGHT.
THE MIX AND OVERALL LIGHT QPF WILL KEEP SNOW AMOUNTS LOW...WITH AN
INCH OR LESS IN THE SOUTHERN TIER AND 1-2 ACROSS THE REST OF THE
CWA. MAY SEE UP TO A TENTH OF AN INCH OF ICE WITH THE EXPECTED
EARLIER CHANGEOVER...MAYBE A LITTLE MORE ACROSS THE INTERIOR
SOUTHERN TIER AND FINGER LAKES WHICH MAY CATCH A PIECE OF THE
ENHANCED QPF LIFTING THROUGH PA INTO EASTERN NY LATER TUESDAY NIGHT.

ON WEDNESDAY MUCH OF THE STEADIER PRECIP WILL PUSH INTO EASTERN AND
NORTHERN NY...WITH NOTABLE MID LEVEL DRY SLOTTING WORKING ACROSS
WESTERN NY. THIS WILL LEAVE LITTLE IN THE WAY OF ORGANIZED FORCING
FOR ASCENT...AND PLENTY OF LOW LEVEL MOISTURE AROUND. HEIGHT FALLS
AND LOW LEVEL CONVERGENCE SHOULD REMAIN STRONG ENOUGH TO SUPPORT
OCCASIONAL LIGHT PRECIP THROUGH THE DAY. THE FORECAST THERMAL
PROFILES ARE ALSO VERY SUPPORTIVE OF DRIZZLE/FREEZING DRIZZLE
DEPENDING ON SURFACE TEMPS. SPEAKING OF SURFACE TEMPS...EXPECT MUCH
OF THE CWA TO STILL BE BELOW FREEZING WEDNESDAY MORNING. DURING THE
DAY EXPECT MUCH OF THE AREA TO EVENTUALLY RISE ABOVE FREEZING...
FIRST ALONG THE LAKE ERIE SHORE...THEN SPREADING NORTHEAST FROM
THERE. THIS WOULD CHANGE PRECIP OVER TO JUST A LITTLE LIGHT RAIN OR
DRIZZLE. FROM ABOUT WAYNE COUNTY EASTWARD...SURFACE TEMPS ARE LIKELY
TO REMAIN BELOW FREEZING THROUGHOUT THE DAY. OVERALL AMOUNTS FOR
MUCH OF THE AREA WILL BE LIGHT...WITH ICING OF LESS THAN A TENTH OF
AN INCH IN MOST AREAS. GFS LOOKS WAY OVERDONE WITH QPF WEDNESDAY
MORNING FROM ROCHESTER WEST.

THE ONE PLACE THAT WILL NOT BECOME DRY SLOTTED MAY BE THE NORTH
COUNTRY. AS THE SYSTEM OCCLUDES AND GIVES WAY TO SECONDARY COASTAL
CYCLOGENESIS...THE NORTH COUNTRY MAY REMAIN PARKED JUST NORTH OF THE
OCCLUSION AND NEAR THE WARM/MOIST CONVEYOR ALOFT. THIS WOULD KEEP
STEADY PRECIP GOING MUCH OF THE DAY. THE GFS PRINTS OUT IMPRESSIVE
QPF ACROSS THE NORTH COUNTRY...AND WHILE THIS MAY BE OVERDONE...THE
IDEA OF STEADIER PRECIP IS REASONABLE. STILL EXPECT ENOUGH WARM AIR
TO GET NORTH TO SUPPORT AT LEAST A MIX WITH SLEET AND MAYBE EVEN
FREEZING RAIN FOR AWHILE DURING THE DAY WEDNESDAY. HAVE PLAYED UP
SNOW/SLEET AMOUNTS A LITTLE FROM THE PREVIOUS FORECAST...WITH A
SOLID 4-8 POSSIBLE ACROSS JEFF/LEWIS DURING THE DAY WEDNESDAY.

WITH ALL THIS IN MIND...WE WILL ISSUE WINTER WEATHER ADVISORIES FOR
A WINTRY MIX ACROSS ALL OF THE CWA EXCEPT FOR JEFFERSON/LEWIS
COUNTIES. THERE...GIVEN THE EXPECTED HIGHER QPF AND LATER START
TIME...WILL GO WITH A WINTER STORM WATCH. SEE BUFWSWBUF FOR DETAILS.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
COLD ADVECTION WILL BE UNDERWAY WEDNESDAY EVENING WITH A BRISK TO
STRONG WESTERLY FLOW AS THE PRIMARY LOW NEAR THE SAINT LAWRENCE
VALLEY GETS ABSORBED BY COASTAL LOW OFF MAINE. THE FIRST ROUND OF
SYNOPTIC SNOW SHOULD PULL EAST OF THE THE NORTH COUNTRY BY LATE
EVENING WITH ANY MIX ENDING EARLY...BUT WILL HOLD LIKELY POPS FOR
SNOW SHOWERS ALL NIGHT AND INTO THURSDAY. THESE WILL BECOME
INCREASINGLY ENHANCED SOUTHEAST OF THE LAKES ON THURSDAY WITH
PASSAGE OF ANOTHER TROF, AND THE WRAPAROUND FROM THE EXITING STORM
MOVES BACK IN FROM THE WEST AFTER MIDNIGHT. ALL AREAS SHOULD SEE AT
LEAST A BIT OF ACCUMULATION...WITH SEVERAL INCHES IN THE FAVORED
UPSLOPE AREAS LIKE THE CHAUTAUQUA RIDGE AND THE TUG HILL AS UPSLOPE
CONDITIONS LOOK MAXIMIZED...PLENTY OF LOW LEVEL MOISTURE...GOOD SNOW
GROWTH PARAMETERS...COLD ADVECTION AND FLOW PERPENDICULAR TO THE
LAKES.

THE WRAPAROUND RETREATS TO THE NORTHEAST THURSDAY EVENING, AND WE
GET A BIT OF SUBSIDENCE BEHIND THE EXITING TROUGH...WITH LAKE SNOWS
CONTINUING SOUTHEAST OF THE LAKES. RIDGING TRIES TO BUILDS IN ON
FRIDAY WITH LOWERED POPS...BUT STILL HELD HIGH CHANCE POPS SOUTHEAST
OF THE LAKES. 850 MB TEMPS WILL AROUND -15C...SUPPORTING ONLY MID
20S...SOME 5 TO 10 DEG BELOW NORMAL FOR BOTH THURSDAY AND FRIDAY. A
WARM FRONT APPROACHES AHEAD OF THE NEXT LOW WITH A CHANCE OF SNOW
LATE IN THE DAY IN THE WEST.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
WINTRY PATTERN CONTINUES THROUGH THIS PERIOD WITH ANOTHER CLIPPER
SCOOTING ACROSS THE LAKES ON SATURDAY BRINGING A GENERAL LIGHT
SNOWFALL FRIDAY NIGHT AND SATURDAY.

COLD ADVECTION BEHIND THE LOW BRINGS ANOTHER ROUND OF LAKE SNOWS
SATURDAY NIGHT AND SUNDAY WITH BRISK WINDS, THEN ANOTHER CLIPPER
APPROACHES MONDAY AND PASSES BY ON TUESDAY WITH A GOOD CHANCE OF
GENERAL LIGHT BY LATE MONDAY AND ON TUESDAY.

&&

.AVIATION /20Z TUESDAY THROUGH SUNDAY/...
EXPECT SNOW TO OVERSPREAD THE TAF SITES FROM SOUTHWEST TO
NORTHEAST...REACHING KJHW FIRST BETWEEN 21Z-23Z THEN KBUF-KIAG-KROC
BY 23Z-01Z...THEN FINALLY KART IN THE 05Z-07Z TIME FRAME. THE SNOW
WILL QUICKLY REDUCE VSBY TO IFR OVERNIGHT. LATER TONIGHT EXPECT
SLEET AND FREEZING RAIN TO BEGIN TO MIX IN AS A WARM LAYER ALOFT
PUSHES NORTH AND LOW LEVEL TEMPERATURES REMAIN AT OR BELOW FREEZING.
THIS WILL RAISE CIGS AND VSBY BACK INTO MVFR...BUT CONDITIONS MAY
DETERIORATE AGAIN TO IFR AS THE LOW LEVELS BECOME SATURATED AND
ESPECIALLY LATE IN THE DAY AS PRECIP CHANGES BACK TO SNOW AFTER 21Z.

OUTLOOK...
THURSDAY...MVFR/IFR IN SNOW SHOWERS.
FRIDAY...MAINLY VFR
SATURDAY...IFR IN SNOW.
SUNDAY...MVFR WITH AREAS IFR IN LAKE EFFECT SNOW.

&&

.MARINE...
WINDS WILL FRESHEN UP FROM THE EAST TONIGHT AND MUCH OF WEDNESDAY
BEFORE BRIEFLY TURNING LIGHT SOUTH WEDNESDAY AS LOW PRESSURE MOVES
BY JUST TO OUR WEST.

THE NEXT PERIOD OF CONCERN WILL BE LATE WED INTO THURS MORNING AS A
BRISK TO STRONG WESTERLIES SWEEP IN BEHIND THE EXITING STORM.
WINDS MAY APPROACH GALE FORCE FOR A TIME BUT PROBABLY STAY JUST
BELOW. THEY WILL REMAIN BRISK AND VEER TO NORTHWEST FOR
THURSDAY...LIGHTENING UP WITH A RIDGE ON FRIDAY. ANOTHER PERIOD OF
STRONG WINDS WILL FOLLOW THE NEXT STORM SYSTEM LATER SATURDAY AND
SUNDAY.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...WINTER STORM WARNING FROM 10 PM THIS EVENING TO MIDNIGHT EST
     WEDNESDAY NIGHT FOR NYZ007-008.
     WINTER WEATHER ADVISORY FROM 8 PM THIS EVENING TO 5 PM EST
     WEDNESDAY FOR NYZ001>006-010>014-085.
     WINTER WEATHER ADVISORY UNTIL 5 PM EST WEDNESDAY FOR
     NYZ019>021.
MARINE...NONE.

&&

SYNOPSIS...APB
NEAR TERM...HITCHCOCK/WCH
SHORT TERM...APB/SFM
LONG TERM...APB/SFM
AVIATION...HITCHCOCK/WCH
MARINE...APB/SFM
Hazardous weather outlook, Jan 6, 5:04 AM EST, 9 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
504 AM EST TUE JAN 6 2009

NYZ007-008-071015-
JEFFERSON-LEWIS-
504 AM EST TUE JAN 6 2009

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING...

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

.DAY ONE...TODAY AND TONIGHT.

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

   WINTER STORM WATCH.

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

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

   WINTER STORM WATCH.

A STRONG STORM IS EXPECTED TO MOVE INTO THE REGION TUESDAY NIGHT
THROUGH WEDNESDAY NIGHT. IT WILL PRODUCE A WINTRY MIX OF
PRECIPITATION...INCLUDING FREEZING RAIN AND LAKE EFFECT SNOW. STAY
TUNED TO NOAA WEATHER RADIO OR ANOTHER SOURCE OF WEATHER INFORMATION
FOR UPDATES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

NYZ001>006-010>014-085-071015-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE-
504 AM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
EST WEDNESDAY...

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

.DAY ONE...TODAY AND TONIGHT.

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

   WINTER WEATHER ADVISORY.

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

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

   WINTER WEATHER ADVISORY.

A STRONG STORM IS EXPECTED TO MOVE INTO THE REGION TUESDAY NIGHT
THROUGH WEDNESDAY NIGHT. IT WILL PRODUCE A WINTRY MIX OF
PRECIPITATION...INCLUDING FREEZING RAIN AND LAKE EFFECT SNOW. STAY
TUNED TO NOAA WEATHER RADIO OR ANOTHER SOURCE OF WEATHER INFORMATION
FOR UPDATES.

.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>021-071015-
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
504 AM EST TUE JAN 6 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM EST WEDNESDAY...

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

.DAY ONE...TODAY AND TONIGHT.

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

   WINTER WEATHER ADVISORY.

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

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

   WINTER WEATHER ADVISORY.

A STRONG STORM IS EXPECTED TO MOVE INTO THE REGION TUESDAY NIGHT
THROUGH WEDNESDAY NIGHT. IT WILL PRODUCE A WINTRY MIX OF
PRECIPITATION...INCLUDING FREEZING RAIN AND LAKE EFFECT SNOW. STAY
TUNED TO NOAA WEATHER RADIO OR ANOTHER SOURCE OF WEATHER INFORMATION
FOR UPDATES.

.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-SLZ022-024-071015-
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-
504 AM EST TUE JAN 6 2009

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.

CLOSE TO GALE FORCE WINDS ARE POSSIBLE WEDNESDAY NIGHT AND THURSDAY
AS A STRONG AREA OF LOW PRESSURE MOVES FROM THE LOWER GREAT LAKES
INTO THE CANADIAN MARITIMES.

.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
Jan 6, 3:53 AM ESTWinter Storm WatchBUFJefferson, Lewis11 hr
Jan 6, 3:53 AM ESTWinter Weather AdvisoryBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 8 more36 hr

Nearby

Winter Storm Warnings in New York, 2009Every winter storm 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.