Alert archive / New York / Tornado Warnings in 2010

Tornado Warning 3, NWS Buffalo, NY

June 23, 20104 counties in New York

NWS Buffalo, NY issued this tornado warning at Jun 23, 2010, 7:09 PM EDT for 4 counties in New York. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 23, 2010, 7:09 PM EDT (23:09 UTC)
Expired
Jun 23, 2010, 7:37 PM EDT
In force
28 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Allegany County, NY, Cattaraugus County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 60 km from the middle of the area, began a volume at 23:09 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.2 hours before the alert went out and 57 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 2010-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 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 2010-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
11 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
126 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.

502 
WFUS51 KBUF 232309
TORBUF
NYC003-009-029-121-240000-
/O.NEW.KBUF.TO.W.0003.100623T2309Z-100624T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
709 PM EDT WED JUN 23 2010

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN ALLEGANY COUNTY IN WESTERN NEW YORK...
  NORTHEASTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  SOUTHEASTERN ERIE COUNTY IN WESTERN NEW YORK...
  SOUTHERN WYOMING COUNTY IN WESTERN NEW YORK...

* UNTIL 800 PM EDT

* AT 704 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES   
  NORTHEAST OF OTTO...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
   SARDINIA
   ARCADE
   ARCADE
   HOUGHTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 4260 7805 4235 7803 4236 7881 4254 7883
TIME...MOT...LOC 2309Z 267DEG 29KT 4245 7868

$$

TJP
2 follow-up statements
593 
WWUS51 KBUF 232326
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
726 PM EDT WED JUN 23 2010

NYC029-232336-
/O.CAN.KBUF.TO.W.0003.000000T0000Z-100624T0000Z/
ERIE NY-
726 PM EDT WED JUN 23 2010

...THE TORNADO WARNING FOR SOUTHEASTERN ERIE COUNTY IS CANCELLED...

LAT...LON 4236 7864 4252 7855 4254 7847 4255 7846
      4260 7805 4235 7803
TIME...MOT...LOC 2326Z 267DEG 29KT 4246 7849

$$

NYC003-009-121-240000-
/O.CON.KBUF.TO.W.0003.000000T0000Z-100624T0000Z/
CATTARAUGUS NY-ALLEGANY NY-WYOMING NY-
726 PM EDT WED JUN 23 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR SOUTHERN
WYOMING...NORTHWESTERN ALLEGANY AND NORTHEASTERN CATTARAUGUS
COUNTIES...

AT 718 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MACHIAS...OR 21
MILES NORTH OF SALAMANCA...MOVING EAST AT 35 MPH.

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...
  CENTERVILLE
  HOUGHTON
  FILLMORE

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.

&&

LAT...LON 4236 7864 4252 7855 4254 7847 4255 7846
      4260 7805 4235 7803
TIME...MOT...LOC 2326Z 267DEG 29KT 4246 7849

$$

RSH
856 
WWUS51 KBUF 232337
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
737 PM EDT WED JUN 23 2010

NYC003-009-121-232347-
/O.CAN.KBUF.TO.W.0003.000000T0000Z-100624T0000Z/
CATTARAUGUS NY-ALLEGANY NY-WYOMING NY-
737 PM EDT WED JUN 23 2010

...THE TORNADO WARNING FOR SOUTHERN WYOMING...NORTHWESTERN ALLEGANY
AND NORTHEASTERN CATTARAUGUS COUNTIES IS CANCELLED...

AT 737 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO LONGER 
APPEARED CAPABLE OF PRODUCING TORNADOES. THUS...THE TORNADO WARNING 
HAS BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING STILL 
REMAINS IN EFFECT UNTIL 745 PM. 

LAT...LON 4236 7864 4252 7855 4254 7847 4255 7846
      4260 7805 4235 7803
TIME...MOT...LOC 2337Z 267DEG 29KT 4246 7837

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 5:51 PM EDTSpecial Marine WarningBUF39 min
Jun 23, 6:01 PM EDTSpecial Weather StatementBUFErie59 min
Jun 23, 6:31 PM EDTSpecial Weather StatementBUFCattaraugus59 min
Jun 23, 6:44 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Wyoming61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.