Alert archive / New York / Freeze Warnings in 2009

Freeze Warning 3, NWS Buffalo, NY

May 17, 200910 counties in New York

NWS Buffalo, NY issued this freeze warning at May 17, 2009, 4:48 AM EDT for 10 counties in New York. It took effect at May 18, 2009, 12:00 AM EDT. It was in force for 8 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
May 17, 2009, 4:48 AM EDT (08:48 UTC)
In effect from
May 18, 2009, 12:00 AM EDT
Expired
May 18, 2009, 7:50 AM EDT
In force
8 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 08:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.8 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 00:00Z on 2009-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2009-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -127 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
13 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
450 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-127 m²/s²
0-3 km storm-relative helicity
-66 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS71 KBUF 170848
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
448 AM EDT SUN MAY 17 2009

...FREEZE WARNINGS IN EFFECT LATE TONIGHT AND EARLY MONDAY MORNING
FOR THE SOUTHERN TIER...SOUTHERN ERIE COUNTY EAST TO ONTARIO
COUNTY IN THE FINGER LAKES AND THE EASTERN LAKE ONTARIO COUNTIES
WITH FROST ADVISORIES FOR THE COUNTIES ALONG THE SOUTH SHORE OF
LAKE ONTARIO FROM NORTHERN CAYUGA COUNTY WEST TO NIAGARA COUNTY
AND GENESEE AND NORTHERN ERIE COUNTIES...


.COLD HIGH PRESSURE IS FORECAST TO BUILD EAST OVER THE REGION
TODAY AND TONIGHT. CLEAR TO MAINLY CLEAR SKIES TONIGHT ALONG WITH
LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TONIGHT TO THE LOW TO
MID 30S ALONG THE SHORES OF LAKE ERIE AND ONTARIO. INTERIOR
SECTIONS OF THE SOUTHERN TIER ARE EXPECTED TO DROP TO THE MID 20S
WITH UPPER 20S TO LOWER 30S FROM SOUTHERN ERIE COUNTY EAST INTO
THE FINGER LAKES SOUTH OF THE THRUWAY AND UPPER 20S TO LOWER 30S
EAST OF LAKE ONTARIO.

NYZ019-085-171700-
/O.NEW.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
448 AM EDT SUN MAY 17 2009

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
UPPER 20S INLAND TO LOW TO MID 30S NEAR LAKE ERIE. INTERIOR
SECTIONS WILL HAVE A HARD FREEZE WITH AREAS NEAR THE LAKE ERIE
SHORE GETTING AREAS OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ012-020-021-171700-
/O.NEW.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE
448 AM EDT SUN MAY 17 2009

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
MID TO UPPER 20S. A HARD FREEZE IS EXPECTED OVER THE AREA TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ013-014-171700-
/O.NEW.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
448 AM EDT SUN MAY 17 2009

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
UPPER 20S OVER EXTREME SOUTHERN LIVINGSTON AND ONTARIO COUNTIES
WITH LOW TO MID 30S ELSEWHERE. WIDESPREAD FROST IS EXPECTED OVER
MUCH OF THE REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ006-171700-
/O.NEW.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
448 AM EDT SUN MAY 17 2009

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
UPPER 20S EAST OF INTERSTATE 81 WHERE A HARD FREEZE IS EXPECTED.
AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO DROP TO THE LOW TO
MID 30S WITH AREAS OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ007-008-171700-
/O.NEW.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
448 AM EDT SUN MAY 17 2009

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
UPPER 20S TO AROUND 30 EAST OF INTERSTATE 81 WHERE A HARD FREEZE
IS EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO DROP TO
THE LOWER 30S WITH WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ001>005-010-011-171700-
/O.NEW.KBUF.FR.Y.0004.090518T0400Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
448 AM EDT SUN MAY 17 2009

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO THE
LOW TO MID 30S WITH WIDESPREAD FROST INLAND AND AREAS OF FROST
NEAR THE LAKE SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO, POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

JJP
5 follow-up statements
000 
WWUS71 KBUF 171509
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNINGS IN EFFECT LATE TONIGHT AND EARLY MONDAY
MORNING FOR THE SOUTHERN TIER...SOUTHERN ERIE COUNTY EAST TO
ONTARIO COUNTY IN THE FINGER LAKES AND THE EASTERN LAKE ONTARIO
COUNTIES WITH FROST ADVISORIES FOR THE COUNTIES ALONG THE SOUTH
SHORE OF LAKE ONTARIO FROM NORTHERN CAYUGA COUNTY WEST TO NIAGARA
COUNTY AND GENESEE AND NORTHERN ERIE COUNTIES...

.COLD HIGH PRESSURE IS FORECAST TO BUILD EAST OVER THE REGION
TODAY AND TONIGHT. CLEAR TO MAINLY CLEAR SKIES TONIGHT ALONG WITH
LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TONIGHT TO THE LOW TO
MID 30S ALONG THE SHORES OF LAKE ERIE AND ONTARIO. INTERIOR
SECTIONS OF THE SOUTHERN TIER ARE EXPECTED TO DROP TO THE MID 20S
WITH UPPER 20S TO LOWER 30S FROM SOUTHERN ERIE COUNTY EAST INTO
THE FINGER LAKES SOUTH OF THE THRUWAY AND UPPER 20S TO LOWER 30S
EAST OF LAKE ONTARIO.

NYZ019-085-172315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S INLAND TO LOW TO MID 30S NEAR LAKE ERIE. INTERIOR
SECTIONS WILL HAVE A HARD FREEZE WITH EVEN AREAS NEAR THE LAKE
ERIE SHORE GETTING AREAS OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ012-020-021-172315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE MID TO UPPER 20S. A HARD FREEZE IS EXPECTED OVER THE AREA
TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ013-014-172315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S OVER EXTREME SOUTHERN LIVINGSTON AND ONTARIO
COUNTIES WITH LOW TO MID 30S ELSEWHERE. WIDESPREAD FROST IS
EXPECTED OVER MOST OF THE REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ006-172315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S EAST OF INTERSTATE 81 WHERE A HARD FREEZE IS
EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO DROP TO
THE LOW TO MID 30S WITH AREAS OF FROST EVEN THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ007-008-172315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1109 AM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S TO AROUND 30 EAST OF INTERSTATE 81 WHERE A HARD
FREEZE IS EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO
DROP TO THE LOWER 30S WITH WIDESPREAD FROST EVEN THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ001>005-010-011-172315-
/O.CON.KBUF.FR.Y.0004.090518T0400Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
1109 AM EDT SUN MAY 17 2009

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE LOW TO MID 30S WITH WIDESPREAD FROST INLAND AND AREAS OF
FROST EVEN NEAR THE LAKE SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$
000 
WWUS71 KBUF 171904
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
304 PM EDT SUN MAY 17 2009

...FREEZE WARNINGS IN EFFECT LATE TONIGHT AND EARLY MONDAY
MORNING FOR THE SOUTHERN TIER...SOUTHERN ERIE COUNTY EAST TO
ONTARIO COUNTY IN THE FINGER LAKES AND THE EASTERN LAKE ONTARIO
COUNTIES WITH FROST ADVISORIES FOR THE COUNTIES ALONG THE SOUTH
SHORE OF LAKE ONTARIO FROM NORTHERN CAYUGA COUNTY WEST TO NIAGARA
COUNTY AND GENESEE AND NORTHERN ERIE COUNTIES...

.COLD HIGH PRESSURE IS FORECAST TO BUILD EAST OVER THE REGION
TODAY AND TONIGHT. CLEAR TO MAINLY CLEAR SKIES TONIGHT ALONG WITH
LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TONIGHT TO THE LOW TO
MID 30S ALONG THE SHORES OF LAKE ERIE AND ONTARIO. INTERIOR
SECTIONS OF THE SOUTHERN TIER ARE EXPECTED TO DROP TO THE MID 20S
WITH UPPER 20S TO LOWER 30S FROM SOUTHERN ERIE COUNTY EAST INTO
THE FINGER LAKES SOUTH OF THE THRUWAY AND UPPER 20S TO LOWER 30S
EAST OF LAKE ONTARIO.

NYZ019-085-180315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
304 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S INLAND TO LOW TO MID 30S NEAR LAKE ERIE. INTERIOR
SECTIONS WILL HAVE A HARD FREEZE WITH EVEN AREAS NEAR THE LAKE
ERIE SHORE GETTING AREAS OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ012-020-021-180315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE
304 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE MID TO UPPER 20S. A HARD FREEZE IS EXPECTED OVER THE AREA
TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ013-014-180315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
304 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S OVER EXTREME SOUTHERN LIVINGSTON AND ONTARIO
COUNTIES WITH LOW TO MID 30S ELSEWHERE. WIDESPREAD FROST IS
EXPECTED OVER MOST OF THE REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ006-180315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
304 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S EAST OF INTERSTATE 81 WHERE A HARD FREEZE IS
EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO DROP TO
THE LOW TO MID 30S WITH AREAS OF FROST EVEN THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ007-008-180315-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
304 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S TO AROUND 30 EAST OF INTERSTATE 81 WHERE A HARD
FREEZE IS EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO
DROP TO THE LOWER 30S WITH WIDESPREAD FROST EVEN THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ001>005-010-011-180315-
/O.CON.KBUF.FR.Y.0004.090518T0400Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
304 PM EDT SUN MAY 17 2009

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE LOW TO MID 30S WITH WIDESPREAD FROST INLAND AND AREAS OF
FROST EVEN NEAR THE LAKE SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

SFM
000 
WWUS71 KBUF 180244
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1044 PM EDT SUN MAY 17 2009

...A WIDESPREAD FROST OR FREEZE OVERNIGHT...

.COLD CANADIAN HIGH PRESSURE CENTERED NEAR CHICAGO IS FORECAST TO
BUILD EAST OVER THE REGION TONIGHT. CLEARING SKIES ALONG WITH
LIGHT WINDS OVERNIGHT WILL ALLOW TEMPERATURES TO DROP INTO THE
LOWER TO MID 30S ACROSS MOST OF THE AREA...WITH READINGS FALLING INTO
THE MID TO UPPER 20S ACROSS INTERIOR SECTIONS OF THE SOUTHERN
TIER AND THE NORTH COUNTRY.

NYZ019-085-181000-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
1044 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP INTO
THE UPPER 20S TO LOWER 30S OVERNIGHT...WITH THE COLDEST READINGS
AWAY FROM THE LAKE ERIE SHORE. INTERIOR SECTIONS WILL EXPERIENCE
A HARD FREEZE...WHILE AREAS NEAR THE LAKE SHORE WILL RECEIVE A
WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ012-020-021-181000-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE
1044 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP 
INTO THE MID TO UPPER 20S OVERNIGHT...RESULTING IN A HARD FREEZE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ013-014-181000-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
1044 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP
INTO THE LOWER TO MID 30S OVERNIGHT...WITH THE COLDEST READINGS
ACROSS INTERIOR SECTIONS WHERE THERE WILL BE A HARD FREEZE. THE
REMAINDER OF THE AREA WILL RECEIVE A WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ006-181000-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
OSWEGO-
INCLUDING THE CITY OF...OSWEGO
1044 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE UPPER 20S OVERNIGHT EAST OF INTERSTATE 81...WHERE A HARD
FREEZE IS EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO
DROP TO THE LOWER TO MID 30S...WHICH WILL RESULT IN A WIDESPREAD
FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ007-008-181000-
/O.CON.KBUF.FZ.W.0003.090518T0400Z-090518T1200Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1044 PM EDT SUN MAY 17 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP 
TO THE UPPER 20S OVERNIGHT EAST OF INTERSTATE 81...WHERE A HARD
FREEZE IS EXPECTED. AREAS CLOSER TO LAKE ONTARIO ARE EXPECTED TO
DROP TO THE LOWER 30S...WHICH WILL RESULT IN A WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER
RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ001>005-010-011-181000-
/O.CON.KBUF.FR.Y.0004.090518T0400Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
1044 PM EDT SUN MAY 17 2009

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY. 

CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DROP TO
THE LOWER TO MID 30S OVERNIGHT...RESULTING IN A WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER
VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD
BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

JJR
000 
WWUS71 KBUF 180848
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
448 AM EDT MON MAY 18 2009

...FROSTY CONDITIONS CONTINUE THIS MORNING OVER MUCH OF THE REGION...

.COLD CANADIAN HIGH PRESSURE WILL REMAIN OVER THE OHIO VALLEY AND
LOWER LAKES REGION TODAY AND TONIGHT. AN AREA OF CLOUDS OVER THE
NORTH COUNTRY HAS KEPT TEMPERATURES FROM DROPPING TO FROSTY LEVELS
THIS MORNING SO THE FREEZE WARNING HAS BEEN CANCELLED FOR THE
EASTERN LAKE ONTARIO COUNTIES.

FURTHER TO THE WEST FROST AND FREEZE WARNINGS REMAIN IN EFFECT
THROUGH 8 AM.


NYZ006>008-181000-
/O.CAN.KBUF.FZ.W.0003.000000T0000Z-090518T1200Z/
OSWEGO-JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE
448 AM EDT MON MAY 18 2009

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE FREEZE
WARNING. 

TEMPERATURES ARE NO LONGER EXPECTED TO DROP TO FROSTY LEVELS THIS
MORNING SO THE FREEZE WARNING HAS BEEN CANCELLED. 

$$

NYZ019-085-181200-
/O.CON.KBUF.FZ.W.0003.000000T0000Z-090518T1200Z/
CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
448 AM EDT MON MAY 18 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. 

CLEAR SKIES AND LIGHT WINDS HAVE RESULTED IN TEMPERATURES DROPPING TO
THE UPPER 20S TO LOWER 30S EARLY THIS MORNING...WITH THE COLDEST
READINGS AWAY FROM THE LAKE ERIE SHORE. SOME INTERIOR SECTIONS
WILL EXPERIENCE A HARD FREEZE...WHILE AREAS NEAR THE LAKE SHORE
WILL RECEIVE A WIDESPREAD FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ012-020-021-181200-
/O.CON.KBUF.FZ.W.0003.000000T0000Z-090518T1200Z/
WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE
448 AM EDT MON MAY 18 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. 

CLEAR SKIES AND LIGHT WINDS HAS RESULTED IN TEMPERATURES DROPPING TO
THE MID TO UPPER 20S EARLY THIS MORNING...RESULTING IN A HARD
FREEZE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ013-014-181200-
/O.CON.KBUF.FZ.W.0003.000000T0000Z-090518T1200Z/
LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA
448 AM EDT MON MAY 18 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. 

MAINLY CLEAR SKIES AND LIGHT WINDS HAS RESULTED IN TEMPERATURES
DROPPING TO THE LOWER 30S OVER EXTREME SOUTHERN SECTIONS TO THE
MID TO UPPER 30S ELSEWHERE EARLY THIS MORNING. THE COLDER AREAS
WILL EXPERIENCE A HARD FREEZE WITH AREAS OF FROST ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

NYZ001>005-010-011-181200-
/O.CON.KBUF.FR.Y.0004.000000T0000Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
448 AM EDT MON MAY 18 2009

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. 

CLEAR SKIES AND LIGHT WINDS HAS RESULTED IN TEMPERATURES DROPPING
TO THE LOW TO MID 30S ACROSS THE NIAGARA FRONTIER EARLY THIS
MORNING WITH A WIDESPREAD FROST. ACROSS AREAS FROM MONROE COUNTY
EASTWARD TEMPERATURES WILL RANGE FROM THE MID TO UPPER 30S WITH
AREAS OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD.

&&

$$

JJP
000 
WWUS71 KBUF 181150
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
750 AM EDT MON MAY 18 2009

...ALL FROST ADVISORIES AND FREEZE WARNINGS HAVE BEEN CANCELLED
BUT SOME MORE MAY BE NEEDED FOR PORTIONS OF THE REGION AGAIN LATE
TONIGHT...

.TEMPERATURES HAVE RISEN ABOVE THE MID 30S OVER MUCH OF THE REGION
SO ALL FROST ADVISORIES AND FREEZE WARNINGS HAVE BEEN CANCELLED.
ANOTHER COLD NIGHT IS EXPECTED TONIGHT WITH A THREAT OF MORE FROST
OVER PORTIONS OF THE REGION. ADDITIONAL HEADLINES MAY BE NECESSARY
FOR LATER TONIGHT.

NYZ012>014-019>021-085-181300-
/O.CAN.KBUF.FZ.W.0003.000000T0000Z-090518T1200Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
750 AM EDT MON MAY 18 2009

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE FREEZE
WARNING. 

TEMPERATURES HAVE RISEN ABOVE THE MID 30S OVER MUCH OF THE REGION
EXCEPT FOR A FEW OF THE COLDER VALLEYS AND EVEN IN THOSE AREAS
THEY SHOULD RISE ABOVE THE MID 30S BY AROUND 9 AM.

$$

NYZ001>005-010-011-181300-
/O.CAN.KBUF.FR.Y.0004.000000T0000Z-090518T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-NORTHERN ERIE-
GENESEE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...BUFFALO...BATAVIA
750 AM EDT MON MAY 18 2009

...FROST ADVISORY IS CANCELLED...

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

TEMPERATURES HAVE RISEN ABOVE THE MID 30S OVER THE REGION SO THE
FROST ADVISORY HAS BEEN CANCELLED.


$$

JJP

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at May 17, 4:13 AM EDT, 35 minutes earlier.

Area forecast discussion, May 17, 4:13 AM EDT, 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
413 AM EDT SUN MAY 17 2009

.SYNOPSIS...
A SHARP COLD FRONT THAT CROSSED WESTERN AND CENTRAL NEW YORK
SATURDAY EVENING WILL BE ACROSS EASTERN NEW ENGLAND THIS MORNING.
HIGH PRESSURE ACCOMPANIED BY DRIER AND NOTICEABLY COOLER AIR WILL BE
THE MAIN WEATHER FACTOR FOR TODAY WITH TEMPERATURES WELL BELOW
NORMAL AND A HIGH RISK OF FROST TONIGHT FOR MUCH OF THE AREA.
TEMPERATURES WILL MODERATE TO SEASONAL LEVELS ON MONDAY UNDER PLENTY
OF SUNSHINE AS HIGH PRESSURE CRESTS OVER THE REGION. A WEAK FRONT
MAY PRODUCE A FEW SHOWERS ON TUESDAY BEFORE LIFTING NORTH WEDNESDAY
AND LEADING TO WARMER WEATHER FOR THE REST OF THE WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
COLD FRONT EARLY THIS MORNING OVER THE HUDSON VALLEY WITH LINGERING
CLOUDS BEHIND THE FRONT EXTENDING WEST INTO THE FINGER LKS AND
SOUTHERN TIER SOUTH OF BUFFALO. HIGH PRESSURE CENTERED OVER THE
CENTRAL MISSISSIPPI VALLEY IS NOSING EASTWARD INTO THE LOWER LAKES
WITH DRIER AND MUCH COOLER AIR TODAY. EXPECT CLOUDS TO DECREASE FROM
WEST TO EARLY THIS MORNING WITH SKIES BECOMING SUNNY/MOSTLY SUNNY.
IT WILL BE BREEZY AND UNSEASONABLY CHILLY THOUGH. 850 MB TEMPS OF
ONLY -3 TO -4C OR SO WILL SUPPORT MAXES ONLY IN THE L-MID 50S
DESPITE PLENTY OF SUNSHINE.

TONIGHT, THE MAIN CONCERN IS FROST AND FREEZE CONDITIONS AS THE COLD
HIGH BUILDS EAST OVER THE REGION. EXPECT WINDS TO DECREASE WITH
CLEAR/MAINLY CLEAR SKIES. LOWS TONIGHT ARE EXPECTED TO DROP TO BELOW
30 OVER INTERIOR SECTIONS OF THE SOUTHERN TIER, SOUTHERN ERIE AND
WYOMING COUNTIES, THE SOUTHERN FINGER LAKES AND INTERIOR SECTIONS
EAST OF LAKE ONTARIO. ELSEWHERE TEMPS ARE EXPECTED TO DROP TO THE
LOW TO MID 30S. WILL ISSUE FREEZE WARNINGS LATE TONIGHT FOR SOUTHERN
ERIE COUNTY EASTWARD TO ONTARIO COUNTY IN THE FINGER LAKES, ALL OF
THE SOUTHERN TIER AND AREAS EAST OF LAKE ONTARIO. THE COUNTIES ALONG
THE SOUTH SHORE OF LAKE ONTARIO FROM NORTHERN CAYUGA COUNTY WEST TO
NIAGARA COUNTY AND NORTHERN ERIE AND GENESEE COUNTIES WILL BE UNDER
FROST ADVISORIES.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
GFS AND NAM SOLUTIONS ARE VERY CLOSE DURING THIS PERIOD. BOTH SHOW A
MID LEVEL SHORT WAVE MOVING ACROSS THE AREA EARLY MONDAY MORNING BUT
STRONG RIDGING AT THE SURFACE. THE AIR IS DRY ENOUGH THAT WE WILL
HAVE VIRTUALLY NO EFFECTS FROM THE SHORT WAVE AT ALL. TEMPERATURES
WILL START OUT AT FROSTY LEVELS BUT SHOULD RECOVER NICELY DURING THE
DAY WITH WARM ADVECTION RAISING 850 MB TEMPERATURES FROM ABOUT MINUS
4C AT 12Z TO ABOUT PLUS 3C BY 00Z. THIS WILL RESULT IN HIGHS OF 60
OR A LITTLE HIGHER IN MOST LOCATIONS...NOTICEABLY MILDER THAN SUNDAY
BUT STILL COOLER THAN NORMAL BY MORE THAN 5 DEGREES. ANOTHER COOL
NIGHT MONDAY NIGHT BUT 5 TO 8 DEGREES MILDER THAN SUNDAY NIGHT. THE
ONLY FROST ISSUES SHOULD BE LIMITED TO THE NORMALLY COLDEST AREAS OF
OUR CWA.

THE NEXT FEATURE TO WATCH WILL BE A VIGOROUS MID LEVEL TROUGH MOVING
ACROSS SOUTHERN CANADA FROM ONTARIO INTO QUEBEC TUESDAY. THIS WILL
RESULT IN A SURFACE LOW TRACKING WELL TO OUR NORTH BUT A TRAILING
COLD FRONT IS EXPECTED TO SAG SOUTHWARD INTO OUR REGION. THIS WILL
BRING MORE CLOUDINESS TO THE REGION BUT IT STILL LOOKS LIKE A
PRIMARILY DRY DAY. WE WILL KEEP 30 POPS FOR THE POSSIBILITY OF A
FEW SHOWERS ALONG THE FRONT. JET DYNAMICS WILL HAVE A NEGATIVE
AFFECT ON ANY ACTIVITY SINCE WE WILL BE IN THE RIGHT EXIT REGION.
WITH DIURNAL HEATING GONE WHILE WE REMAIN IN THE RIGHT EXIT REGION
OF THE JET...WE WILL REMOVE THE CHANCE OF SHOWERS FROM TUESDAY NIGHT.

&&

.LONG TERM /WEDNESDAY THROUGH SATURDAY/...
THE COLD FRONT MENTIONED IN THE LATTER PART OF THE SHORT TERM
DISCUSSION WILL CONTINUE TO WASHOUT WEDNESDAY ALONG WITH WARM
ADVECTION ONCE AGAIN. WE WILL KEEP AT LEAST PARTLY SUNNY SKIES IN
FROM CONTINUITY WITH TEMPERATURES RUNNING NEAR SEASONAL NORMS.

THURSDAY LOOKS LIKE THE WARMEST DAY SINCE LATE APRIL AS A BERMUDA
HIGH CONTINUES TO PRODUCE WARM ADVECTION. THE 00Z GFS RUN
AND THE LATEST AVAILABLE ECMWF RUN (12Z SATURDAY) BOTH ARE
INDICATING 850 MB TEMPERATURES OF PLUS 16C. THIS WOULD EASILY
RESULT IN HIGHS IN THE 80S. IN LIGHT OF THE FACT THAT THE EVENING
SHIFT HAS ALREADY RAISED THURSDAYS HIGHS FROM CONTINUITY...I THINK
WE WILL GO EVEN A LITTLE FURTHER.

THE MEDIUM RANGE GUIDANCE PACKAGES DEPICT A SHORTWAVE RACING ACROSS
EASTERN CANADA THURSDAY NIGHT AND FRIDAY. BOTH THE ECMWF AND GFS ARE
ARE TIMING OF THE CORRESPONDING COLD FRONTAL PASSAGE AROUND 12Z
FRIDAY. WE WILL KEEP CHANCE POPS IN FOR FRIDAY. HIGH PRESSURE AND
DRIER AIR IS EXPECTED TO BUILD INTO OUR REGION FROM THE UPPER GREAT
LAKES REGION SATURDAY.

&&

.AVIATION /08Z SUNDAY THROUGH THURSDAY/...
VFR CONDITIONS ARE EXPECTED ACROSS THE REGION THROUGH THE TAF PERIOD
AS HIGH PRESSURE OVER THE NATIONS MID SECTION BUILDS EASTWARD. THE
ONLY EXCEPTION WILL BE FOR THE FIRST FEW HRS OF THE TAF PERIOD
ACROSS PORTIONS OF THE SOUTHERN TIER AND SOUTHERN FINGER LKS WHERE
THERE WILL BE SOME OCNL MVFR CIGS WITH EVEN SOME BORDERLINE IFR CIGS
ESPECIALLY TOWARD ELZ.

OUTLOOK...
MONDAY...VFR.
TUESDAY...VFR/MVFR IN AFTERNOON SHOWERS.
WEDNESDAY AND THURSDAY...VFR.

&&

.MARINE...
BRISK WESTERLY WINDS IN THE WAKE OF SATURDAYS COLD FRONTAL PASSAGE
WILL RESULT IN SMALL CRAFT ADVISORY CRITERIA MUCH OF TODAY. SMALL
CRAFT ADVISORIES REMAIN IN EFFECT FOR ALL NEARSHORE WATERS THROUGH 4
PM TODAY...AND UNTIL 8 PM FOR THE EASTERN TWO THIRDS OF LAKE ONTARIO
DUE TO LINGERING HIGHER WAVES.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...FREEZE WARNING FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY FOR
     NYZ006>008-012>014-019>021-085.
     FROST ADVISORY FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY FOR
     NYZ001>005-010-011.
MARINE...SMALL CRAFT ADVISORY UNTIL 4 PM EDT THIS AFTERNOON FOR LEZ040-
         041.
         SMALL CRAFT ADVISORY UNTIL 4 PM EDT THIS AFTERNOON
         FOR LOZ042.
         SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR
         LOZ043>045.
         SMALL CRAFT ADVISORY UNTIL 4 PM EDT THIS AFTERNOON
         FOR SLZ022-024.

&&

SYNOPSIS...SAGE
NEAR TERM...JJP
SHORT TERM...SAGE
LONG TERM...RSH/SAGE
AVIATION...JJP
MARINE...SAGE
Hazardous weather outlook, May 16, 8:40 PM EDT, 8 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
840 PM EDT SAT MAY 16 2009

NYZ001>008-010>014-019>021-085-180045-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS-
NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
840 PM EDT SAT MAY 16 2009

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

LEZ020-040-041-LOZ042>045-062>065-SLZ022-024-180045-
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-
840 PM EDT SAT MAY 16 2009

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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
May 17, 4:48 AM EDTFrost AdvisoryBUFCayuga, Erie, Genesee, Monroe, Niagara, Orleans and 1 more27 hr

Nearby

Freeze Warnings in New York, 2009Every freeze 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.