Alert archive / New York / Frost Advisories in 2007

Frost Advisory 5, NWS Buffalo, NY

May 20, 200711 counties in New York

NWS Buffalo, NY issued this frost advisory at May 20, 2007, 3:00 PM EDT for 11 counties in New York. It took effect at May 21, 2007, 3:16 AM EDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued
May 20, 2007, 3:00 PM EDT (19:00 UTC)
In effect from
May 21, 2007, 3:16 AM EDT
Expired
May 22, 2007, 5:23 AM EDT
In force
26 hr
Issued by
NWS Buffalo, NY

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

The radar

The Buffalo radar (KBUF), 119 km from the middle of the area, began a volume at 18:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.0 hours before the alert went out and 116 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2007-05-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2007-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
97 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 
WWUS71 KBUF 201900
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
300 PM EDT SUN MAY 20 2007

NYZ006>008-012>014-020-021-085-210930-
/O.NEW.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-LIVINGSTON-ONTARIO-CATTARAUGUS-
ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...
ORCHARD PARK...SPRINGVILLE
300 PM EDT SUN MAY 20 2007

...FROST ADVISORY IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO 7 AM
EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO 7 AM
EDT TUESDAY. 

CLEARING SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES
TO THE LOW TO MID 30S AWAY FROM THE GREAT LAKES MONDAY NIGHT.
AREAS OF FROST ARE EXPECTED TO DEVELOP AFTER MIDNIGHT. SOME PATCHY
FROST IS ALSO POSSIBLE TONIGHT IN THE COLDER VALLEYS OF THE
SOUTHERN TIER...BUT IT IS NOT EXPECTED TO BE WIDESPREAD ENOUGH FOR
AN ADVISORY.

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.

$$
6 follow-up statements
000 
WWUS71 KBUF 210716
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
316 AM EDT MON MAY 21 2007

NYZ004-005-211530-
/O.EXA.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
316 AM EDT MON MAY 21 2007

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EDT
TUESDAY. 

CLEARING SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES
TO THE LOW TO MID 30S AWAY FROM THE GREAT LAKES TONIGHT. AREAS OF
FROST ARE EXPECTED TO DEVELOP AFTER MIDNIGHT. 

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.

$$

NYZ006>008-012>014-020-021-085-211530-
/O.CON.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-LIVINGSTON-ONTARIO-CATTARAUGUS-
ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...
ORCHARD PARK...SPRINGVILLE
316 AM EDT MON MAY 21 2007

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY. 

CLEARING SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES
TO THE LOW TO MID 30S AWAY FROM THE GREAT LAKES TONIGHT. AREAS OF
FROST ARE EXPECTED TO DEVELOP AFTER MIDNIGHT. 

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.

$$

SFM
000 
WWUS71 KBUF 211512
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1112 AM EDT MON MAY 21 2007

NYZ007-008-212315-
/O.UPG.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
/O.NEW.KBUF.FZ.W.0001.070522T0400Z-070522T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
1112 AM EDT MON MAY 21 2007

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EDT
TUESDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT. 

CLEARING SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES
TO THE UPPER 20S TO LOW 30S AWAY FROM THE GREAT LAKES TONIGHT.
THE AREAS OF BELOW FREEZING TEMPERATURES AND FROST ARE EXPECTED TO
DEVELOP AFTER MIDNIGHT.

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.

$$

NYZ004>006-012>014-020-021-085-212315-
/O.CON.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW...
GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
1112 AM EDT MON MAY 21 2007

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY. 

CLEARING SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES
TO THE LOW TO MID 30S AWAY FROM THE GREAT LAKES TONIGHT. AREAS OF
FROST ARE EXPECTED TO DEVELOP AFTER MIDNIGHT.

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.

$$
000 
WWUS71 KBUF 211934
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
334 PM EDT MON MAY 21 2007

NYZ007-008-220345-
/O.CON.KBUF.FZ.W.0001.070522T0400Z-070522T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
334 PM EDT MON MAY 21 2007

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY. 

CLEAR SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES TO
THE UPPER 20S TO LOW 30S AWAY FROM THE GREAT LAKES TONIGHT. THE
AREAS OF BELOW FREEZING TEMPERATURES AND FROST ARE EXPECTED TO
DEVELOP AFTER MIDNIGHT.

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.

$$

NYZ004>006-012>014-020-021-085-220345-
/O.CON.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW...
GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
334 PM EDT MON MAY 21 2007

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EDT TUESDAY. 

CLEAR SKIES AND LIGHT WINDS WILL COMBINE TO LOWER TEMPERATURES TO
THE LOW TO MID 30S AWAY FROM THE GREAT LAKES TONIGHT. AREAS OF
FROST ARE EXPECTED TO DEVELOP AFTER MIDNIGHT.

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.

$$
000 
WWUS71 KBUF 220143
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
943 PM EDT MON MAY 21 2007

NYZ007-008-220945-
/O.CON.KBUF.FZ.W.0001.070522T0400Z-070522T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
943 PM EDT MON MAY 21 2007

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EDT TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EDT TUESDAY. 

MAINLY CLEAR SKIES AND LIGHT WINDS WILL CAUSE TEMPERATURES TO FALL
INTO THE UPPER 20S AND LOWER 30S AWAY FROM LAKE ONTARIO TONIGHT.
THE AREAS OF BELOW FREEZING TEMPERATURES AND FROST ARE EXPECTED TO
DEVELOP AFTER MIDNIGHT.

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.

$$

NYZ004>006-012>014-020-021-085-220945-
/O.CON.KBUF.FR.Y.0005.070522T0400Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW...
GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
943 PM EDT MON MAY 21 2007

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT TUESDAY. 

CLEAR SKIES AND LIGHT WINDS WILL CAUSE TEMPERATURES TO FALL INTO
THE LOWER AND MID 30S AWAY FROM THE LAKES TONIGHT. THIS WILL
RESULT IN AREAS OF FROST AFTER MIDNIGHT.

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.

$$
000 
WWUS71 KBUF 220705
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
305 AM EDT TUE MAY 22 2007

NYZ007-008-221100-
/O.CON.KBUF.FZ.W.0001.000000T0000Z-070522T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
305 AM EDT TUE MAY 22 2007

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING. 

MAINLY CLEAR SKIES AND LIGHT WINDS WILL CAUSE TEMPERATURES TO
FALL INTO THE UPPER 20S AND LOWER 30S AWAY FROM LAKE ONTARIO
EARLY THIS MORNING.

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.

$$

NYZ004>006-012>014-020-021-085-221100-
/O.CON.KBUF.FR.Y.0005.000000T0000Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW...
GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
305 AM EDT TUE MAY 22 2007

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING. 

CLEAR SKIES AND LIGHT WINDS WILL CAUSE TEMPERATURES TO FALL INTO
THE LOWER AND MID 30S AWAY FROM THE LAKES EARLY THIS MORNING AND RESULT
IN AREAS OF FROST.

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.

$$

SFM
000 
WWUS71 KBUF 220923
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
523 AM EDT TUE MAY 22 2007

...TEMPERATURE NOT AS LOW AS EXPECTED...

.SOME CLOUDINESS HAS MOVED OVER WESTERN AND CENTRAL NEW YORK
DURING THE PREDAWN HOURS. THIS HAS LIMITED TO EXPECTED TEMPERATURE
FALL...SO FROST HAS BEEN VERY LOCALIZED AND LIMITED TO ONLY A FEW
OF THE NORMALLY COLDEST LOCATIONS. TEMPERATURES SHOULD RISE
RAPIDLY THIS MORNING.

NYZ007-008-221030-
/O.CAN.KBUF.FZ.W.0001.000000T0000Z-070522T1100Z/
JEFFERSON-LEWIS-
INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE
523 AM EDT TUE MAY 22 2007

...FREEZE WARNING IS CANCELLED...

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

.SOME CLOUDINESS HAS MOVED OVER CENTRAL NEW YORK DURING THE
PREDAWN HOURS. THIS HAS LIMITED TO EXPECTED TEMPERATURE FALL...SO
FREEZING TEMPERATURES HAVE NOT OCCURRED. TEMPERATURES SHOULD RISE
RAPIDLY THIS MORNING.


$$

NYZ004>006-012>014-020-021-085-221030-
/O.CAN.KBUF.FR.Y.0005.000000T0000Z-070522T1100Z/
WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW...
GENESEO...CANANDAIGUA...OLEAN...WELLSVILLE...ORCHARD PARK...
SPRINGVILLE
523 AM EDT TUE MAY 22 2007

...FROST ADVISORY IS CANCELLED...

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

SOME CLOUDINESS HAS MOVED OVER WESTERN AND CENTRAL NEW YORK
DURING THE PREDAWN HOURS. THIS HAS LIMITED TO EXPECTED TEMPERATURE
FALL...SO FROST HAS BEEN VERY LOCALIZED AND LIMITED TO ONLY A FEW
OF THE NORMALLY COLDEST LOCATIONS. TEMPERATURES SHOULD RISE
RAPIDLY THIS MORNING.

$$

SFM

Nearby

Frost Advisories in New York, 2007Every frost advisory in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.