Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 36, NWS Buffalo, NY

July 26, 2012Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 2012, 2:53 AM EDT for Erie County, Niagara County, New York. It was in force for 52 min. 2 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
Jul 26, 2012, 2:53 AM EDT (06:53 UTC)
Expired
Jul 26, 2012, 3:45 AM EDT
In force
52 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 13 km from the middle of the area, began a volume at 06:53 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
Jul 26, 3:03 AM EDTTSTM WND DMGCambria, NYTREES DOWN ACROSS UPPER MOUNTAIN RD
Jul 26, 3:03 AM EDTTSTM WND DMGCambria, NYTREES DOWN ON A CAR ON UPPER MOUNTAIN RD

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 6.9 hours before the alert went out and 310 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, Pittsburgh, PA at 00:00Z on 2012-07-26Temperature 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, Pittsburgh, PA at 00:00Z on 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
2457 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
169 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.

816 
WUUS51 KBUF 260653
SVRBUF
NYC029-063-260745-
/O.NEW.KBUF.SV.W.0036.120726T0653Z-120726T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
253 AM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ERIE COUNTY IN WESTERN NEW YORK
  NIAGARA COUNTY IN WESTERN NEW YORK

* UNTIL 345 AM EDT

* AT 249 AM EDT...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 8 MILES EAST OF YOUNGSTOWN TO 25 MILES SOUTHWEST OF GRAND     
  ISLAND...AND MOVING SOUTHEAST AT 50 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  NIAGARA FALLS...
  GRAND ISLAND...
  LOCKPORT...
  NEWFANE...
  PENDLETON...
  AMHERST...
  WILLIAMSVILLE...
  BUFFALO...
  WEST SENECA...


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 4312 7908 4314 7905 4327 7907 4337 7863
      4338 7848 4287 7848 4286 7849 4272 7848
      4275 7890 4279 7886 4293 7892 4300 7903
      4306 7901 4308 7908
TIME...MOT...LOC 0652Z 293DEG 42KT 4325 7884 4285 7937

$$

HITCHCOCK
2 follow-up statements
603 
WWUS51 KBUF 260716
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
316 AM EDT THU JUL 26 2012

NYC029-063-260745-
/O.CON.KBUF.SV.W.0036.000000T0000Z-120726T0745Z/
NIAGARA NY-ERIE NY-
316 AM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM EDT
FOR NORTHERN ERIE AND NIAGARA COUNTIES...

AT 312 AM EDT...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 GASPORT TO LACKAWANNA...MOVING SOUTHEAST AT 50 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  BUFFALO...
  AMHERST...
  PENDLETON...
  WEST SENECA...
  ELMA...
  MARILLA...
  WALES CENTER...

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 4312 7908 4314 7905 4327 7907 4337 7863
      4338 7848 4287 7848 4286 7849 4272 7848
      4275 7890 4279 7886 4293 7892 4300 7903
      4306 7901 4308 7908
TIME...MOT...LOC 0715Z 293DEG 42KT 4324 7846 4281 7885

$$

HITCHCOCK
970 
WWUS51 KBUF 260746
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
346 AM EDT THU JUL 26 2012

NYC029-063-260756-
/O.EXP.KBUF.SV.W.0036.000000T0000Z-120726T0745Z/
NIAGARA NY-ERIE NY-
346 AM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ERIE AND NIAGARA
COUNTIES HAS EXPIRED...

AT 346 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED 
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEPARATE SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
SOUTHERN ERIE COUNTY...AS WELL AS PORTIONS OF CHAUTAUQUA AND 
CATTARAUGUS COUNTIES.

LAT...LON 4312 7908 4314 7905 4327 7907 4337 7863
      4338 7848 4287 7848 4286 7849 4272 7848
      4275 7890 4279 7886 4293 7892 4300 7903
      4306 7901 4308 7908
TIME...MOT...LOC 0716Z 293DEG 42KT 4323 7845 4280 7884

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 2:38 AM EDTSpecial Marine WarningBUF39 min
Jul 26, 2:59 AM EDTSpecial Marine WarningBUF61 min
Jul 26, 3:11 AM EDTSpecial Marine WarningBUF64 min
Jul 26, 3:20 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie55 min
Jul 26, 3:32 AM EDTSevere Thunderstorm WarningBUFGenesee, Wyoming43 min
Jul 26, 4:02 AM EDTSpecial Marine WarningBUF43 min
Jul 26, 4:27 AM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua63 min
Jul 26, 4:30 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua33 min
Jul 26, 1:07 PM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua68 min
Jul 26, 1:16 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua59 min
Jul 26, 1:37 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua38 min
Jul 26, 2:12 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus48 min
Jul 26, 2:18 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus42 min
Jul 26, 2:39 PM EDTSevere Thunderstorm WarningBUFAllegany51 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.