Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Buffalo, NY

January 17, 20124 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jan 17, 2012, 5:36 PM EST for 4 counties in New York. It was in force for 39 min. 8 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, 5:36 PM EST (22:36 UTC)
Expired
Jan 17, 2012, 6:15 PM EST
In force
39 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 62 km from the middle of the area, began a volume at 22:39 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, 5:41 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
Jan 17, 6:00 PM ESTTSTM WND DMGPerrysburg, NYTREES AND POWERLINES DOWN
Jan 17, 6:02 PM ESTTSTM WND DMG3 Ssw Eden, NYPOWERLINES DOWN ALONG US ROUTE 62
Jan 17, 6:04 PM ESTTSTM WND DMGDayton, NYTREES AND POWERLINES DOWN
Jan 17, 6:09 PM ESTTSTM WND DMGGowanda, NYTREES AND POWERLINES DOWN
Jan 17, 6:17 PM ESTNON-TSTM WND GST 601 N Dunkirk Muni Arpt, NYASOS

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, 10.6 hours before the alert went out and 61 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°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.

992 
WUUS51 KBUF 172236
SVRBUF
NYC009-013-029-121-172315-
/O.NEW.KBUF.SV.W.0002.120117T2236Z-120117T2315Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK
  SOUTHERN ERIE COUNTY IN WESTERN NEW YORK
  WESTERN WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 615 PM EST

* AT 530 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM 21 MILES NORTHWEST OF ANGOLA ON THE LAKE TO 16
  MILES SOUTHWEST OF CHAUTAUQUA INSTITUTE...OR ALONG A LINE EXTENDING
  FROM 8 MILES SOUTHWEST OF PORT COLBORNE TO 25 MILES WEST OF
  JAMESTOWN...AND MOVING EAST AT 65 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  DUNKIRK...
  SILVER CREEK...
  DERBY...
  HAMBURG...
  ATHOL SPRINGS...
  ORCHARD PARK...
  EAST AURORA...
  WALES CENTER...
  ASHFORD...

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 4200 7964 4238 7955 4242 7946 4250 7935
      4256 7916 4269 7906 4274 7892 4279 7886
      4285 7887 4279 7833 4199 7870
TIME...MOT...LOC 2235Z 279DEG 55KT 4281 7929 4206 7961

$$

WOOD
2 follow-up statements
489 
WWUS51 KBUF 172304
SVSBUF

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

NYC009-013-029-121-172315-
/O.CON.KBUF.SV.W.0002.000000T0000Z-120117T2315Z/
CATTARAUGUS NY-WYOMING NY-CHAUTAUQUA NY-ERIE NY-
604 PM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EST
FOR SOUTHERN ERIE...CHAUTAUQUA...WESTERN WYOMING AND WESTERN
CATTARAUGUS COUNTIES...

AT 600 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM HAMBURG TO 9 MILES SOUTH OF PANAMA...OR
ALONG A LINE EXTENDING FROM HAMBURG TO 18 MILES SOUTHWEST OF
JAMESTOWN...MOVING EAST AT 65 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  JAMESTOWN...
  CATTARAUGUS...
  LITTLE VALLEY...
  EAST AURORA...
  EAST CONCORD...

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 4200 7964 4238 7955 4242 7946 4250 7935
      4256 7916 4269 7906 4274 7892 4279 7886
      4285 7887 4279 7833 4199 7870
TIME...MOT...LOC 2303Z 279DEG 55KT 4271 7877 4194 7947

$$

WOOD
672 
WWUS51 KBUF 172317
SVSBUF

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

NYC009-013-029-121-172326-
/O.EXP.KBUF.SV.W.0002.000000T0000Z-120117T2315Z/
CATTARAUGUS NY-WYOMING NY-CHAUTAUQUA NY-ERIE NY-
617 PM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ERIE...CHAUTAUQUA...
NORTHWESTERN WYOMING AND WESTERN CATTARAUGUS COUNTIES HAS EXPIRED...

AT 616 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE 
THUNDERSTORM THAT PROMPTED THE WARNING HAD MOVED EAST OF THE WARNED 
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

ADDITIONAL SEVERE THUNDERSTORM WARNINGS HAVE BEEN ISSUED FOR 
PORTIONS OF CHAUTAUQUA...CATTARAUGUS...ERIE...AND WYOMING COUNTIES. 

LAT...LON 4200 7964 4238 7955 4242 7946 4250 7935
      4256 7916 4269 7906 4274 7892 4279 7886
      4285 7887 4279 7833 4199 7870
TIME...MOT...LOC 2304Z 279DEG 55KT 4270 7875 4193 7945

$$

HITCHCOCK

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, 5:08 PM ESTSevere Thunderstorm WarningBUFChautauqua37 min
Jan 17, 5:24 PM ESTSpecial Marine WarningBUF51 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.