Alert archive / New York / Freeze Watches in 2012

Freeze Watch 3, NWS Buffalo, NY

April 12, 201211 counties in New York

NWS Buffalo, NY issued this freeze watch at Apr 12, 2012, 4:32 AM EDT for 11 counties in New York. It took effect at Apr 13, 2012, 2:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 12, 2012, 4:32 AM EDT (08:32 UTC)
In effect from
Apr 13, 2012, 2:00 AM EDT
Expired
Apr 12, 2012, 11:35 AM EDT
In force
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Chautauqua 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), 77 km from the middle of the area, began a volume at 08:35 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, 8.5 hours before the alert went out and 74 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 2012-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2012-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
46 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
148 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.

476 
WWUS71 KBUF 120832
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
432 AM EDT THU APR 12 2012

NYZ001>006-010-011-013-014-019-085-121645-
/O.NEW.KBUF.FZ.A.0003.120413T0600Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
432 AM EDT THU APR 12 2012

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING. 

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA FRONTIER
  AND GENESEE VALLEY...AND THE FINGER LAKES REGION.

* TIMING...OVERNIGHT TONIGHT THROUGH LATE FRIDAY MORNING.

* TEMPERATURES...UPPER IN THE 20S AWAY FROM THE LAKES TO THE LOWER
  30S ALONG THE LAKE SHORES.

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

TMA
1 follow-up statement
597 
WWUS71 KBUF 121535
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1135 AM EDT THU APR 12 2012

NYZ001>006-010-011-013-014-019-085-122345-
/O.UPG.KBUF.FZ.A.0003.120413T0600Z-120413T1300Z/
/O.NEW.KBUF.FZ.W.0007.120413T0400Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
1135 AM EDT THU APR 12 2012

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA FRONTIER
  AND GENESEE VALLEY...AND THE FINGER LAKES REGION.

* TIMING...GREATEST COVERAGE AREA OF FREEZING AND SUBFREEZING
  TEMPERATURES WILL OCCUR LATE TONIGHT THROUGH AN HOUR AFTER
  SUNRISE.

* TEMPERATURES...IN THE UPPER 20S AWAY FROM THE LAKES TO THE
  LOWER 30S ALONG THE LAKE SHORES.

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD 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.

&&

$$

THOMAS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 11:35 AM EDTFreeze WarningBUFCayuga, Chautauqua, Erie, Genesee, Livingston, Monroe and 5 more21 hr

Nearby

Freeze Watches in New York, 2012Every freeze watch in 2012

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.