Alert archive / New York / Frost Advisories in 2014

Frost Advisory 4, NWS Buffalo, NY

May 18, 2014Allegany County, Cattaraugus County, Lewis County, New York

NWS Buffalo, NY issued this frost advisory at May 18, 2014, 2:31 PM EDT for Allegany County, Cattaraugus County, Lewis County, New York. It took effect at May 19, 2014, 2:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 18, 2014, 2:31 PM EDT (18:31 UTC)
In effect from
May 19, 2014, 2:00 AM EDT
Expired
May 19, 2014, 7:33 AM EDT
In force
6 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Lewis County, NY

The radar

The Buffalo radar (KBUF), 112 km from the middle of the area, began a volume at 18:34 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, 6.5 hours before the alert went out and 109 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 2014-05-18Temperature 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 2014-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
933 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
40 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.

717 
WWUS71 KBUF 181831
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
231 PM EDT SUN MAY 18 2014

NYZ008-020-021-190245-
/O.NEW.KBUF.FR.Y.0004.140519T0600Z-140519T1200Z/
LEWIS-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...LOWVILLE...OLEAN...WELLSVILLE
231 PM EDT SUN MAY 18 2014

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

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

* LOCATIONS...CATTARAUGUS...LEWIS...AND ALLEGANY COUNTIES. MAINLY
  SHELTERED VALLEY LOCATIONS.

* TIMING...LATE TONIGHT INTO MONDAY MORNING.

* TEMPERATURES...LOWER TO MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

APFFEL
3 follow-up statements
889 
WWUS71 KBUF 190007
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
807 PM EDT SUN MAY 18 2014

NYZ008-020-021-190815-
/O.CON.KBUF.FR.Y.0004.140519T0600Z-140519T1200Z/
LEWIS-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...LOWVILLE...OLEAN...WELLSVILLE
807 PM EDT SUN MAY 18 2014

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

* LOCATIONS...CATTARAUGUS...LEWIS...AND ALLEGANY COUNTIES. 
  MAINLY SHELTERED VALLEY LOCATIONS. 

* TIMING...OVERNIGHT TONIGHT THROUGH EARLY MONDAY MORNING.

* TEMPERATURES...IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SMITH
835 
WWUS71 KBUF 190741
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
341 AM EDT MON MAY 19 2014

NYZ008-020-021-191200-
/O.CON.KBUF.FR.Y.0004.000000T0000Z-140519T1200Z/
LEWIS-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...LOWVILLE...OLEAN...WELLSVILLE
341 AM EDT MON MAY 19 2014

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

* LOCATIONS...CATTARAUGUS...LEWIS...AND ALLEGANY COUNTIES. 
  MAINLY SHELTERED VALLEY LOCATIONS. 

* TIMING...THROUGH EARLY THIS MORNING.

* TEMPERATURES...IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
902 
WWUS71 KBUF 191133
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
733 AM EDT MON MAY 19 2014

NYZ008-020-021-191245-
/O.CAN.KBUF.FR.Y.0004.000000T0000Z-140519T1200Z/
LEWIS-CATTARAUGUS-ALLEGANY-
INCLUDING THE CITIES OF...LOWVILLE...OLEAN...WELLSVILLE
733 AM EDT MON MAY 19 2014

...FROST ADVISORY IS CANCELLED...

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

TEMPERATURES WILL CONTINUE TO WARM THROUGH THE MORNING HOURS.

$$

Nearby

Frost Advisories in New York, 2014Every frost advisory in 2014

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.