Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 1, NWS Buffalo, NY

January 17, 2012Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jan 17, 2012, 5:08 PM EST for Chautauqua County, New York. It was in force for 37 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 17, 2012, 5:08 PM EST (22:08 UTC)
Expired
Jan 17, 2012, 5:45 PM EST
In force
37 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 22:09 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.

What was reported inside it

TimeReportWhereRemark
Jan 17, 5:33 PM ESTTSTM WND DMGWestfield, NYTREES AND POWERLINES DOWN
Jan 17, 5:34 PM ESTTSTM WND DMGPortland, NYTREES AND POWERLINES DOWN
Jan 17, 5:40 PM ESTTSTM WND GST 59Barcelona, NYBARCELONA HARBOR
Jan 17, 5:40 PM ESTTSTM WND GST 68Barcelona, NYBARCELONA HARBOR
Jan 17, 5:41 PM ESTTSTM WND GST 71Dunkirk, NYLIGHTHOUSE
Jan 17, 5:43 PM ESTTSTM WND DMGFredonia, NYTREES AND POWERLINES DOWN
Jan 17, 5:45 PM ESTTSTM WND DMGSheridan, NYTREES AND POWERLINES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.1 hours before the alert went out and 94 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 2012-01-17Temperature 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°0°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 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.1939587897117Sfc1 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
479 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
321 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.

605 
WUUS51 KBUF 172208
SVRBUF
NYC013-172245-
/O.NEW.KBUF.SV.W.0001.120117T2208Z-120117T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
508 PM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 545 PM EST

* AT 505 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 25 MILES NORTHWEST OF WESTFIELD TO 31 MILES WEST OF FINDLEY
  LAKE...OR ALONG A LINE EXTENDING FROM 33 MILES WEST OF DUNKIRK TO
  54 MILES WEST OF JAMESTOWN...AND MOVING EAST AT 65 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  JAMESTOWN...
  DUNKIRK...
  FINDLEY LAKE...
  WESTFIELD...
  FREDONIA...
  SILVER CREEK...
  LAKEWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THESE STORMS WILL OCCUR WELL AHEAD OF ANY RAIN OR 
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER. 
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4227 7977 4242 7946 4250 7935 4257 7914
      4256 7910 4219 7906 4200 7906 4199 7976
      4200 7977
TIME...MOT...LOC 2207Z 279DEG 55KT 4250 7995 4197 8024

$$

WOOD
2 follow-up statements
945 
WWUS51 KBUF 172229
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
529 PM EST TUE JAN 17 2012

NYC013-172245-
/O.CON.KBUF.SV.W.0001.000000T0000Z-120117T2245Z/
CHAUTAUQUA NY-
529 PM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EST
FOR CHAUTAUQUA COUNTY...

AT 526 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHWEST OF BROCTON TO 13 MILES SOUTHWEST OF
FRENCH CREEK...OR ALONG A LINE EXTENDING FROM 12 MILES WEST OF
DUNKIRK TO 34 MILES WEST OF JAMESTOWN...MOVING EAST AT 65 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  DUNKIRK...
  JAMESTOWN...
  FREDONIA...
  STOCKTON...
  LAKEWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THESE STORMS WILL OCCUR AHEAD OF ANY RAIN OR 
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER. 
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4227 7977 4242 7946 4250 7935 4257 7914
      4256 7910 4219 7906 4200 7906 4199 7976
      4200 7977
TIME...MOT...LOC 2229Z 279DEG 55KT 4244 7950 4191 7980

$$

WOOD
131 
WWUS51 KBUF 172247
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
547 PM EST TUE JAN 17 2012

NYC013-172256-
/O.EXP.KBUF.SV.W.0001.000000T0000Z-120117T2245Z/
CHAUTAUQUA NY-
547 PM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR CHAUTAUQUA COUNTY HAS
EXPIRED...

THE LINE OF SEVERE THUNDERSTORMS IS EXITING WESTERN CHAUTAUQUA 
COUNTY...HOWEVER A NEW SEVERE THUNDERSTORM WARNING COVERING CENTRAL 
AND EASTERN CHAUTAUQUA COUNTIES HAS BEEN ISSUED.

LAT...LON 4227 7977 4242 7946 4250 7935 4257 7914
      4256 7910 4219 7906 4200 7906 4199 7976
      4200 7977
TIME...MOT...LOC 2229Z 279DEG 55KT 4243 7950 4190 7980

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 4:02 AM ESTLake Effect Snow WatchBUFCattaraugus, Chautauqua, Erie, Lewis, Oswego, Wyoming11 hr
Jan 17, 4:05 AM ESTGale WarningBUF30 hr
Jan 17, 4:05 AM ESTSmall Craft AdvisoryBUF6 hr
Jan 17, 4:15 AM ESTWind AdvisoryBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more6 hr
Jan 17, 9:57 AM ESTHigh Wind WarningBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more16 hr
Jan 17, 3:06 PM ESTLake Effect Snow AdvisoryBUFCattaraugus, Cayuga, Chautauqua, Erie, Lewis, Oswego and 2 more19 hr
Jan 17, 5:04 PM ESTSpecial Marine WarningBUF41 min
Jan 17, 5:24 PM ESTSpecial Marine WarningBUF51 min
Jan 17, 5:36 PM ESTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie, Wyoming39 min
Jan 17, 5:42 PM ESTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans, Wyoming33 min
Jan 17, 6:11 PM ESTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more34 min
Jan 17, 6:15 PM ESTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Erie, Livingston, Wyoming30 min
Jan 17, 6:43 PM ESTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Wyoming47 min
Jan 17, 6:45 PM ESTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming45 min

Nearby

Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.