Alert archive / New York / Frost Advisories in 2008

Frost Advisory 8, NWS Buffalo, NY

September 18, 20084 counties in New York

NWS Buffalo, NY issued this frost advisory at Sep 18, 2008, 3:19 AM EDT for 4 counties in New York. It took effect at Sep 19, 2008, 4:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Sep 18, 2008, 3:19 AM EDT (07:19 UTC)
In effect from
Sep 19, 2008, 4:00 AM EDT
Expired
Sep 19, 2008, 3:48 AM EDT
In force
Issued by
NWS Buffalo, NY

Counties Chautauqua County, NY, Erie County, NY, Livingston County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 47 km from the middle of the area, began a volume at 07:18 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, 7.3 hours before the alert went out and 43 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 2008-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2008-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
21 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
86 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 180719
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
319 AM EDT THU SEP 18 2008

...FROST AND FREEZE FOR PARTS OF THE WESTERN SOUTHERN TIER AND
EASTERN LAKE ONTARIO REGION TONIGHT...

.CANADIAN HIGH PRESSURE OVER THE GREAT LAKES ON THURSDAY WILL
DRIFT ACROSS WESTERN AND NORTH CENTRAL NEW YORK THURSDAY NIGHT.
THE IDEAL RADIATIONAL COOLING ENCOURAGED BY THE CLEAR SKIES AND
LIGHT WINDS WILL RESULT IN WIDESPREAD FROST ACROSS A LARGE
PORTION OF THE WESTERN SOUTHERN TIER AND EASTERN LAKE ONTARIO
REGION... WITH MANY AREAS POSSIBLY EXPERIENCING SEVERAL HOURS OF
SUB FREEZING TEMPERATURES.

NYZ006>008-012-020-021-181530-
/O.UPG.KBUF.FZ.A.0001.080919T0800Z-080919T1200Z/
/O.NEW.KBUF.FZ.W.0002.080919T0800Z-080919T1200Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...OLEAN...WELLSVILLE
319 AM EDT THU SEP 18 2008

...FREEZE WARNING IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

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.

$$

NYZ013-014-019-085-181530-
/O.NEW.KBUF.FR.Y.0008.080919T0800Z-080919T1200Z/
LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA...JAMESTOWN...
ORCHARD PARK...SPRINGVILLE
319 AM EDT THU SEP 18 2008

...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

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
4 follow-up statements
000 
WWUS71 KBUF 181402
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1002 AM EDT THU SEP 18 2008

...FROST AND FREEZE FOR PARTS OF THE WESTERN SOUTHERN TIER AND
EASTERN LAKE ONTARIO REGION TONIGHT...

.CANADIAN HIGH PRESSURE SPRAWLING ACROSS THE GREAT LAKES THIS
AFTERNOON WILL SETTLE ACROSS WESTERN AND NORTH CENTRAL NEW YORK
TONIGHT. THE IDEAL RADIATIONAL COOLING ENCOURAGED BY THE CLEAR
SKIES AND LIGHT WINDS WILL RESULT IN WIDESPREAD FROST ACROSS A
LARGE PORTION OF THE WESTERN SOUTHERN TIER AND EASTERN LAKE
ONTARIO REGION... WITH MANY AREAS POSSIBLY EXPERIENCING SEVERAL
HOURS OF SUB FREEZING TEMPERATURES.

NYZ006>008-012-020-021-182215-
/O.CON.KBUF.FZ.W.0002.080919T0800Z-080919T1200Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...OLEAN...WELLSVILLE
1002 AM EDT THU SEP 18 2008

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL GENERALLY BE IN THE MID
50S...BUT THESE READINGS WILL TUMBLE INTO THE MID TO UPPER
30S BY MIDNIGHT BEFORE SETTLING INTO THE UPPER 20S AND LOWER 30S
DURING THE WEE HOURS OF THE MORNING. 

MOST SITES WILL LIKELY EXPERIENCE SUB FREEZING TEMPERATURES FOR A
3 TO 4 HOUR PERIOD.

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.

$$

NYZ013-014-019-085-182215-
/O.CON.KBUF.FR.Y.0008.080919T0800Z-080919T1200Z/
LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA...JAMESTOWN...
ORCHARD PARK...SPRINGVILLE
1002 AM EDT THU SEP 18 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL BE IN THE MID TO UPPER 
50S...BUT THESE READINGS WILL TUMBLE TO NEAR 40 BY MIDNIGHT
BEFORE SETTLING INTO THE LOW TO MID 30S DURING THE WEE HOURS OF
THE MORNING.

SEVERAL HOURS OF WIDESPREAD FROST ARE EXPECTED...ESPECIALLY IN THE
VALLEYS AWAY FROM LAKE SHORES.

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.

$$

RSH
000 
WWUS71 KBUF 181942
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
342 PM EDT THU SEP 18 2008

...FROST AND FREEZE FOR PARTS OF THE WESTERN SOUTHERN TIER AND
EASTERN LAKE ONTARIO REGION TONIGHT...

.CANADIAN HIGH PRESSURE SPRAWLING ACROSS EASTERN CANADA THIS
EVENING WILL MAKE ITS WAY TO THE NEW ENGLAND STATES BY DAYBREAK. 
THE IDEAL RADIATIONAL COOLING ENCOURAGED BY THE CLEAR SKIES AND
LIGHT WINDS WILL RESULT IN WIDESPREAD FROST ACROSS A LARGE PORTION
OF THE WESTERN SOUTHERN TIER AND EASTERN LAKE ONTARIO REGION...
WITH MANY AREAS POSSIBLY EXPERIENCING SEVERAL HOURS OF SUB
FREEZING TEMPERATURES.

NYZ006>008-012-020-021-190345-
/O.CON.KBUF.FZ.W.0002.080919T0800Z-080919T1200Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...OLEAN...WELLSVILLE
342 PM EDT THU SEP 18 2008

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL GENERALLY BE IN THE MID
50S...BUT THESE READINGS WILL TUMBLE INTO THE UPPER 30S BY
MIDNIGHT BEFORE SETTLING INTO THE UPPER 20S AND LOWER 30S DURING
THE WEE HOURS OF THE MORNING.

MOST SITES WILL LIKELY EXPERIENCE SUB FREEZING TEMPERATURES FOR A
1 TO 3 HOUR PERIOD WITH UP TO 5 HOURS FOR SOME SITES EAST OF LAKE
ONTARIO.

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.

$$

NYZ013-014-019-085-190345-
/O.CON.KBUF.FR.Y.0008.080919T0800Z-080919T1200Z/
LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA...JAMESTOWN...
ORCHARD PARK...SPRINGVILLE
342 PM EDT THU SEP 18 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL BE IN THE MID TO UPPER
50S...BUT THESE READINGS WILL TUMBLE TO NEAR 40 BY MIDNIGHT
BEFORE SETTLING INTO THE LOW TO MID 30S DURING THE WEE HOURS OF
THE MORNING.

SEVERAL HOURS OF WIDESPREAD FROST ARE EXPECTED...ESPECIALLY IN
THE VALLEYS AWAY FROM LAKE SHORES.

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.

$$

RSH
000 
WWUS71 KBUF 190135
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
935 PM EDT THU SEP 18 2008

...FROST AND FREEZE FOR PARTS OF THE WESTERN SOUTHERN TIER AND
EASTERN LAKE ONTARIO REGION TONIGHT...

.CANADIAN HIGH PRESSURE SPRAWLING ACROSS EASTERN CANADA THIS
EVENING WILL MAKE ITS WAY TO THE NEW ENGLAND STATES BY DAYBREAK.
THE IDEAL RADIATIONAL COOLING ENCOURAGED BY THE CLEAR SKIES AND
LIGHT WINDS WILL RESULT IN WIDESPREAD FROST ACROSS A LARGE
PORTION OF THE WESTERN SOUTHERN TIER AND EASTERN LAKE ONTARIO
REGION... WITH MANY AREAS POSSIBLY EXPERIENCING SEVERAL HOURS OF
SUB FREEZING TEMPERATURES.

NYZ006>008-012-020-021-190945-
/O.CON.KBUF.FZ.W.0002.080919T0800Z-080919T1200Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...OLEAN...WELLSVILLE
935 PM EDT THU SEP 18 2008

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL GENERALLY BE IN THE MID
50S...BUT THESE READINGS WILL TUMBLE INTO THE UPPER 30S BY
MIDNIGHT BEFORE SETTLING INTO THE UPPER 20S AND LOWER 30S DURING
THE WEE HOURS OF THE MORNING.

MOST SITES WILL LIKELY EXPERIENCE SUB FREEZING TEMPERATURES FOR A
1 TO 3 HOUR PERIOD WITH UP TO 5 HOURS FOR SOME SITES EAST OF LAKE
ONTARIO.

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.

$$

NYZ013-014-019-085-190945-
/O.CON.KBUF.FR.Y.0008.080919T0800Z-080919T1200Z/
LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA...JAMESTOWN...
ORCHARD PARK...SPRINGVILLE
935 PM EDT THU SEP 18 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM EDT FRIDAY. 

TEMPERATURES AT SUNSET THIS EVENING WILL BE IN THE MID TO UPPER
50S...BUT THESE READINGS WILL TUMBLE TO NEAR 40 BY MIDNIGHT
BEFORE SETTLING INTO THE LOW TO MID 30S DURING THE WEE HOURS OF
THE MORNING.

SEVERAL HOURS OF WIDESPREAD FROST ARE EXPECTED...ESPECIALLY IN
THE VALLEYS AWAY FROM LAKE SHORES.

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 190748
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
348 AM EDT FRI SEP 19 2008

...WIDESPREAD FROST AND FREEZING TEMPERATURES NO LONGER EXPECTED...

.CLEAR SKIES AND LIGHT WINDS UNDER HIGH PRESSURE WILL ALLOW FOR
CHILLY TEMPERATURES EARLY THIS MORNING ACROSS THE REGION...BUT
READINGS WILL NOT BE QUITE AS COLD AS PREVIOUSLY EXPECTED. ONLY
WIDELY SCATTERED FROST WILL OCCUR IN SOUTHERN TIER VALLEYS AROUND
DAYBREAK WITH FROST MORE COMMON EAST OF LAKE ONTARIO...BUT
FREEZING TEMPERATURES ARE NO LONGER EXPECTED. THEREFORE THE
FROST/FREEZE HEADLINES HAVE BEEN DROPPED.

NYZ006>008-012-020-021-190900-
/O.CAN.KBUF.FZ.W.0002.080919T0800Z-080919T1200Z/
OSWEGO-JEFFERSON-LEWIS-WYOMING-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...OSWEGO...WATERTOWN...LOWVILLE...
WARSAW...OLEAN...WELLSVILLE
348 AM EDT FRI SEP 19 2008

...FREEZE WARNING IS CANCELLED...

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

CLEAR SKIES AND LIGHT WINDS UNDER HIGH PRESSURE WILL ALLOW FOR
CHILLY TEMPERATURES EARLY THIS MORNING ACROSS THE REGION...BUT
READINGS WILL NOT BE QUITE AS COLD AS PREVIOUSLY EXPECTED. ONLY
WIDELY SCATTERED FROST WILL OCCUR IN SOUTHERN TIER VALLEYS AROUND
DAYBREAK WITH FROST MORE COMMON EAST OF LAKE ONTARIO...BUT
FREEZING TEMPERATURES ARE NO LONGER EXPECTED. THEREFORE THE
FREEZE HEADLINE HAS BEEN DROPPED.

$$

NYZ013-014-019-085-190900-
/O.CAN.KBUF.FR.Y.0008.080919T0800Z-080919T1200Z/
LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...GENESEO...CANANDAIGUA...JAMESTOWN...
ORCHARD PARK...SPRINGVILLE
348 AM EDT FRI SEP 19 2008

...FROST ADVISORY IS CANCELLED...

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

CLEAR SKIES AND LIGHT WINDS UNDER HIGH PRESSURE WILL ALLOW FOR
CHILLY TEMPERATURES EARLY THIS MORNING ACROSS THE REGION...BUT
READINGS WILL NOT BE QUITE AS COLD AS PREVIOUSLY EXPECTED. THERE
MAY BE A FEW ISOLATED POCKETS OF FROST...BUT IT WILL NOT BE
WIDESPREAD ENOUGH TO WARRANT AN ADVISORY.

$$

TJP/SFM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 8:07 PM EDTSmall Craft AdvisoryBUF113 min
Sep 18, 3:19 AM EDTFreeze WarningBUFAllegany, Cattaraugus, Jefferson, Lewis, Oswego, Wyoming24 hr

Nearby

Frost Advisories in New York, 2008Every frost advisory in 2008

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.