Alert archive / New York / Freeze Watches in 2012

Freeze Watch 2, NWS Buffalo, NY

April 4, 201211 counties in New York

NWS Buffalo, NY issued this freeze watch at Apr 4, 2012, 3:29 AM EDT for 11 counties in New York. It took effect at Apr 5, 2012, 2:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 4, 2012, 3:29 AM EDT (07:29 UTC)
In effect from
Apr 5, 2012, 2:00 AM EDT
Expired
Apr 4, 2012, 11:23 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 07:29 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, 7.5 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 2012-04-04Temperature 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 00:00Z on 2012-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3308 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
348 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.

006 
WWUS71 KBUF 040729
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
329 AM EDT WED APR 4 2012

NYZ001>006-010-011-013-014-019-085-041530-
/O.NEW.KBUF.FZ.A.0002.120405T0600Z-120405T1300Z/
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
329 AM EDT WED APR 4 2012

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

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

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

* TIMING...OVERNIGHT WEDNESDAY NIGHT THROUGH LATE THURSDAY 
  MORNING.

* TEMPERATURES...POTENTIALLY AS COLD AS THE UPPER 20S TO LOWER
  30S...DEPENDING UPON THE AMOUNT OF CLOUD COVER THAT DEVELOPS
  TONIGHT. IF ENOUGH CLOUD COVER FORMS...READINGS COULD ACTUALLY
  REMAIN A LITTLE ABOVE FREEZING.

* 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.

&&

$$

JJR
1 follow-up statement
029 
WWUS71 KBUF 041523
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1123 AM EDT WED APR 4 2012

NYZ001>006-010-011-013-014-019-085-042330-
/O.UPG.KBUF.FZ.A.0002.120405T0600Z-120405T1300Z/
/O.NEW.KBUF.FZ.W.0002.120405T0600Z-120405T1300Z/
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
1123 AM EDT WED APR 4 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. 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...OVERNIGHT WEDNESDAY NIGHT THROUGH THURSDAY MORNING.

* TEMPERATURES...UPPER 20S AWAY FROM THE LAKES TO LOW 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 11:23 AM EDTFreeze WarningBUFCayuga, Chautauqua, Erie, Genesee, Livingston, Monroe and 5 more22 hr
Apr 4, 1:49 PM EDTSmall Craft AdvisoryBUF6 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.