Alert archive / New York / Frost Advisories in 2008

Frost Advisory 2, NWS Buffalo, NY

May 19, 20087 counties in New York

NWS Buffalo, NY issued this frost advisory at May 19, 2008, 3:56 PM EDT for 7 counties in New York. It took effect at May 20, 2008, 3:00 AM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 19, 2008, 3:56 PM EDT (19:56 UTC)
In effect from
May 20, 2008, 3:00 AM EDT
Expired
May 20, 2008, 7:00 AM EDT
In force
4 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Livingston County, NY, Ontario County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 53 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 2008-05-19Temperature 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 2008-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
106 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 191956
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
356 PM EDT MON MAY 19 2008

...AREAS OF FROST OVERNIGHT...

.CLEARING SKIES AND DIMINISHING WINDS WILL ALLOW AREAS OF FROST
TO FORM OVERNIGHT.

NYZ012>014-019>021-085-200400-
/O.NEW.KBUF.FR.Y.0002.080520T0700Z-080520T1100Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
356 PM EDT MON MAY 19 2008

...FROST ADVISORY IN EFFECT FROM 3 AM TO 7 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 7 AM EDT TUESDAY. 

CLEARING SKIES AND DIMINISHING WINDS WILL ALLOW TEMPERATURES TO
FALL INTO THE MID 30S OVERNIGHT. AREAS OF FROST ARE EXPECTED 
LATE TONIGHT...ESPECIALLY IN THE NORMALLY COLDER LOCATIONS.

SOME DEEPER VALLEY LOCATIONS MAY SEE TEMPERATURES CLOSE TO THE
FREEZING MARK BY DAYBREAK TUESDAY.

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.

$$

TMA
3 follow-up statements
000 
WWUS71 KBUF 200156
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
956 PM EDT MON MAY 19 2008

...AREAS OF FROST OVERNIGHT...

.CLEARING SKIES AND DIMINISHING WINDS WILL ALLOW AREAS OF FROST
TO FORM OVERNIGHT.

NYZ012>014-019>021-085-201000-
/O.CON.KBUF.FR.Y.0002.080520T0700Z-080520T1100Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
956 PM EDT MON MAY 19 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM EDT
TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM EDT TUESDAY.

CLEARING SKIES AND DIMINISHING WINDS WILL ALLOW TEMPERATURES TO
FALL INTO THE MID 30S OVERNIGHT. AREAS OF FROST ARE EXPECTED LATE
TONIGHT...ESPECIALLY IN THE NORMALLY COLDER LOCATIONS.

SOME DEEPER VALLEY LOCATIONS MAY SEE TEMPERATURES CLOSE TO THE
FREEZING MARK BY DAYBREAK TUESDAY.

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 200812
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
412 AM EDT TUE MAY 20 2008

...AREAS OF FROST EARLY THIS MORNING ACROSS THE SOUTHERN TIER AND
WESTERN FINGER LAKES...

.CLEAR SKIES AND LIGHT WINDS COMBINED WITH AN UNSEASONABLY COLD
AIRMASS WILL CONTINUE TO LEAD TO AREAS OF FROST THROUGH EARLY THIS
MORNING. THE MOST WIDESPREAD FROST IS EXPECTED ACROSS THE MORE
SHELTERED SOUTHERN TIER VALLEYS WHERE WINDS HAVE BECOME CALM.
TEMPERATURES WILL QUICKLY RISE ABOVE FREEZING AFTER 7 AM.

NYZ012>014-019>021-085-201100-
/O.CON.KBUF.FR.Y.0002.000000T0000Z-080520T1100Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
412 AM EDT TUE MAY 20 2008

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

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

TEMPERATURES HAVE DROPPED INTO THE LOW TO MID 30S ACROSS MUCH OF
THE SOUTHERN TIER AND PORTIONS OF THE WESTERN FINGER LAKES. A FEW
OF THE MORE SHELTERED VALLEYS OF THE SOUTHERN TIER HAVE DROPPED TO
A FEW DEGREES BELOW FREEZING. AREAS OF FROST WILL CONTINUE TO
DEVELOP THROUGH DAYBREAK. TEMPERATURES ARE EXPECTED TO RISE
QUICKLY ABOVE FREEZING AFTER 7 AM ENDING THE RISK 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 HARVEST OR PROTECT TENDER
VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

$$

HITCHCOCK
000 
WWUS71 KBUF 201105
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
705 AM EDT TUE MAY 20 2008

NYZ012>014-019>021-085-201215-
/O.EXP.KBUF.FR.Y.0002.000000T0000Z-080520T1100Z/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
705 AM EDT TUE MAY 20 2008

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 

TEMPERATURES WILL RISE ABOVE FREEZING OVER THE NEXT HOUR...ENDING
THE RISK OF FROST.

$$

HITCHCOCK

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.