Alert archive / New York / Tornado Warnings in 2010

Tornado Warning 6, NWS Buffalo, NY

July 24, 2010Chautauqua County, New York

NWS Buffalo, NY issued this tornado warning at Jul 24, 2010, 4:08 PM EDT for Chautauqua County, New York. It was in force for 52 min. 5 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 24, 2010, 4:08 PM EDT (20:08 UTC)
Expired
Jul 24, 2010, 5:00 PM EDT
In force
52 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 100 km from the middle of the area, began a volume at 20:08 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 24, 4:40 PM EDTTORNADO 21 S Mayville, NYPUBLIC REPORTED POSSIBLE TORNADO. AT LEAST ONE HOUSE HIT.WIRES DOWN.
Jul 24, 4:45 PM EDTTSTM WND DMG1 S Mayville, NYPUBLIC REPORTED POSSIBLE TORNADO. AT LEAST ONE HOUSE HIT.WIRES DOWN.
Jul 24, 4:45 PM EDTTSTM WND DMGMayville, NYTREE DOWN ON AMISH BUGGY. PEOPLE TRAPPED.
Jul 24, 4:48 PM EDTTORNADO1 S Mayville, NYEMERGENCY MANAGER REPORTED TORNADO ON GROUND
Jul 24, 5:03 PM EDTTSTM WND DMGMayville, NYTREE DOWN ON AMISH BUGGY. PEOPLE TRAPPED.

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, 8.1 hours before the alert went out and 101 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 2010-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 joules per kilogram.LCLEL10008507005003002001001 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 2010-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
696 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
93 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.

106 
WFUS51 KBUF 242008
TORBUF
NYC013-242100-
/O.NEW.KBUF.TO.W.0006.100724T2008Z-100724T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
408 PM EDT SAT JUL 24 2010

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* TORNADO WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 500 PM EDT

* AT 404 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES         
  SOUTHWEST OF WESTFIELD...MOVING   EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
   RIPLEY
   MAYVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4226 7977 4244 7920 4219 7916 4215 7976
TIME...MOT...LOC 2008Z 263DEG 28KT 4222 7965

$$

HITCHCOCK
3 follow-up statements
219 
WWUS51 KBUF 242027
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
427 PM EDT SAT JUL 24 2010

NYC013-242100-
/O.CON.KBUF.TO.W.0006.000000T0000Z-100724T2100Z/
CHAUTAUQUA NY-
427 PM EDT SAT JUL 24 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR 
CHAUTAUQUA COUNTY...

AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERAL SEVERE THUNDERSTORMS WITH POSSIBLE TORNADOES.  ONE 
OF THESE STORMS WAS LOCATED ABOUT 3 MILES EAST OF RIPLEY...MOVING 
EAST AT 35 MPH. ANOTHER STORM WITH STRONG ROTATION WAS NEAR 
NORTHEAST PENNSYLVANIA AND MOVING EAST AT 35 MPH.

SOME LOCATIONS IN THE TORNADO WARNING INCLUDE...  
  RIPLEY
  MAYVILLE
  CHAUTAUQUA INSTITUTE
  STOCKTON
  CASSADAGA
  SINCLAIRVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4226 7977 4244 7920 4219 7916 4215 7976
TIME...MOT...LOC 2025Z 257DEG 30KT 4226 7959

$$

HITCHCOCK
017 
WWUS51 KBUF 242044
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
444 PM EDT SAT JUL 24 2010

NYC013-242100-
/O.CON.KBUF.TO.W.0006.000000T0000Z-100724T2100Z/
CHAUTAUQUA NY-
444 PM EDT SAT JUL 24 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR 
CHAUTAUQUA COUNTY...

AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF 
PRODUCING A TORNADO.  THIS TORNADO WAS LOCATED ABOUT 2 MILES SOUTH 
OF SINCLAIRVILLE...OR 10 MILES NORTH OF JAMESTOWN...MOVING EAST AT 
35 MPH.

ANOTHER STORM WITH STRONG ROTATION WAS LOCATED ABOUT 3 MILES WEST OF 
MAYVILLE...MOVING EAST AT 40 MPH. THE PUBLIC REPORTED STRONG 
ROTATION WITH THIS STORM AS WELL.

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...  
   RURAL AREAS BETWEEN SINCLAIRVILLE AND GERRY
   ELLINGTON
   MAYVILLE
   CHAUTAUQUA LAKE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A PARTICULARLY DANGEROUS SITUATION. SEEK SHELTER INSIDE A 
STURDY SHELTER NOW! TRAINED SPOTTERS HAVE REPORTED STRONG ROTATION 
WITH THIS STORM. 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4226 7977 4244 7920 4219 7916 4215 7976
TIME...MOT...LOC 2041Z 263DEG 32KT 4224 7925

$$

HITCHCOCK
265 
WWUS51 KBUF 242052
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
452 PM EDT SAT JUL 24 2010

NYC013-242100-
/O.CON.KBUF.TO.W.0006.000000T0000Z-100724T2100Z/
CHAUTAUQUA NY-
452 PM EDT SAT JUL 24 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR CENTRAL
CHAUTAUQUA COUNTY...

AT 450 PM EDT...THE PUBLIC REPORTED A TORNADO.  THIS TORNADO WAS
LOCATED NEAR CHAUTAUQUA INSTITUTE...OR 13 MILES NORTHWEST OF
JAMESTOWN...MOVING EAST AT 35 MPH.

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...
  SINCLAIRVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE PUBLIC REPORTED A TORNADO ON THE GROUND.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SATURDAY EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4226 7977 4244 7920 4219 7916 4215 7976
TIME...MOT...LOC 2051Z 263DEG 32KT 4224 7939

$$

SAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 9:43 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua84 min
Jul 24, 3:32 PM EDTSpecial Marine WarningBUF22 min
Jul 24, 3:41 PM EDTSevere Thunderstorm WarningBUFChautauqua64 min
Jul 24, 4:40 PM EDTTornado WarningBUFCattaraugus, Chautauqua50 min
Jul 24, 5:00 PM EDTTornado WarningBUFChautauqua30 min
Jul 24, 5:05 PM EDTSevere Thunderstorm WarningBUFChautauqua55 min
Jul 24, 5:22 PM EDTTornado WarningBUFCattaraugus53 min
Jul 24, 5:59 PM EDTSevere Thunderstorm WarningBUFAllegany44 min

Nearby

Tornado Warnings in New York, 2010Every tornado warning in 2010Tornadoes in 2010

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.