Alert archive / New York / Frost Advisories in 2008

Frost Advisory 1, NWS Buffalo, NY

April 30, 200810 counties in New York

NWS Buffalo, NY issued this frost advisory at Apr 30, 2008, 3:05 AM EDT for 10 counties in New York. It took effect at May 1, 2008, 2:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2008, 3:05 AM EDT (07:05 UTC)
In effect from
May 1, 2008, 2:00 AM EDT
Expired
May 1, 2008, 8:00 AM EDT
In force
6 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 07:11 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, 7.1 hours before the alert went out and 88 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 2008-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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 2008-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939587897Sfc1 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
38 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
26 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 300705
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
305 AM EDT WED APR 30 2008

...FROST TONIGHT...

.CLEARING SKIES WILL ALLOW FROST TO FORM TONIGHT AT THE BEGINNING
OF THE GROWING SEASON. 

NYZ001>006-010-011-013-014-301515-
/O.NEW.KBUF.FR.Y.0001.080501T0600Z-080501T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA
305 AM EDT WED APR 30 2008

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY. 

CLEARING SKIES AND LIGHT SOUTHEAST WINDS WILL ALLOW FROST TO FORM
LATER TONIGHT AT THE BEGINNING OF THE GROWING SEASON. CLOUDS
MOVING IN FROM THE SOUTH AHEAD OF A WARM FRONT COULD INHIBIT THE
FROST IF THEY MOVE FURTHER NORTH. 

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. YOU SHOULD PROTECT TENDER VEGETATION.
ALSO, POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR
BROUGHT INSIDE AWAY FROM THE COLD.

$$
3 follow-up statements
000 
WWUS71 KBUF 301910
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
310 PM EDT WED APR 30 2008

...FROST TONIGHT...

.CLEARING SKIES WILL ALLOW FROST TO FORM TONIGHT AT THE BEGINNING
OF THE GROWING SEASON.

NYZ001>006-010-011-013-014-010315-
/O.CON.KBUF.FR.Y.0001.080501T0600Z-080501T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA
310 PM EDT WED APR 30 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
THURSDAY. 

CLEARING SKIES AND LIGHT SOUTHEAST WINDS WILL ALLOW FROST TO FORM
LATER TONIGHT AT THE BEGINNING OF THE GROWING SEASON. CLOUDS
MOVING IN FROM THE SOUTH AHEAD OF A WARM FRONT COULD INHIBIT THE
FROST IF THEY MOVE FURTHER NORTH.

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. YOU SHOULD PROTECT TENDER VEGETATION.
ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR
BROUGHT INSIDE AWAY FROM THE COLD.

$$
000 
WWUS71 KBUF 010202
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EDT WED APR 30 2008

...FROST OVERNIGHT...

.CLEARING SKIES WILL ALLOW FROST TO FORM OVERNIGHT AT THE
BEGINNING OF THE GROWING SEASON.

NYZ001>006-010-011-013-014-011015-
/O.CON.KBUF.FR.Y.0001.080501T0600Z-080501T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA
1002 PM EDT WED APR 30 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
THURSDAY. 

MAINLY CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO
FALL INTO THE LOWER 30S BY EARLY THURSDAY MORNING. THIS WILL 
ALLOW FROST TO FORM AT THE BEGINNING OF THE GROWING SEASON.

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. YOU SHOULD PROTECT TENDER VEGETATION.
ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR
BROUGHT INSIDE AWAY FROM THE COLD.

$$

TMA
000 
WWUS71 KBUF 010716
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
316 AM EDT THU MAY 1 2008

...FROST OVERNIGHT...

.CLEAR SKIES AND LIGHT WINDS HAVE ALLOWED FROST TO FORM EARLY THIS
MORNING AT THE BEGINNING OF THE GROWING SEASON.

NYZ001>006-010-011-013-014-011200-
/O.CON.KBUF.FR.Y.0001.000000T0000Z-080501T1200Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA
316 AM EDT THU MAY 1 2008

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

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

MAINLY CLEAR SKIES AND LIGHT WINDS ALLOWED TEMPERATURES TO FALL
INTO THE LOWER 30S EARLY THIS MORNING. THIS HAS ALLOWED FROST TO
FORM AT THE BEGINNING OF THE GROWING SEASON.

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. YOU SHOULD PROTECT TENDER VEGETATION.
ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR
BROUGHT INSIDE AWAY FROM THE COLD.

$$

SFM

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.