Alert archive / New York / Tornado Warnings in 2016

Tornado Warning 3, NWS Buffalo, NY

September 17, 2016Cattaraugus County, New York

NWS Buffalo, NY issued this tornado warning at Sep 17, 2016, 6:36 PM EDT for Cattaraugus County, New York. It was in force for 24 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
Sep 17, 2016, 6:36 PM EDT (22:36 UTC)
Expired
Sep 17, 2016, 7:00 PM EDT
In force
24 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 101 km from the middle of the area, began a volume at 22:37 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, 10.6 hours before the alert went out and 99 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 2016-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 2016-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 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
48 J/kg
Mixed-layer CIN
-304 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

735 
WFUS51 KBUF 172236
TORBUF
NYC009-172300-
/O.NEW.KBUF.TO.W.0003.160917T2236Z-160917T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
636 PM EDT SAT SEP 17 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CATTARAUGUS COUNTY IN WESTERN NEW YORK...

* UNTIL 700 PM EDT.

* AT 635 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR SCANDIA...OR 11 MILES SOUTHWEST OF
  ALLEGANY STATE PARK...MOVING NORTHEAST AT 30 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  ALLEGANY STATE PARK...CARROLLTON...VANDALIA AND LIMESTONE. 

THIS INCLUDES INTERSTATE 86 NEAR EXIT 23.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4200 7900 4218 7861 4203 7851 4200 7861
TIME...MOT...LOC 2235Z 240DEG 28KT 4195 7895 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HIBBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 10:21 PM EDTBeach Hazards StatementBUFJefferson25 hr
Sep 17, 4:48 AM EDTSmall Craft AdvisoryBUF26 hr
Sep 17, 11:30 AM EDTSpecial Weather StatementBUFChautauqua45 min
Sep 17, 4:36 PM EDTSpecial Marine WarningBUF54 min
Sep 17, 5:22 PM EDTSevere Thunderstorm WarningBUFChautauqua38 min
Sep 17, 5:28 PM EDTSpecial Marine WarningBUF62 min
Sep 17, 6:00 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie45 min
Sep 17, 6:13 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans47 min
Sep 17, 6:37 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Orleans53 min
Sep 17, 6:42 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Wyoming48 min
Sep 17, 6:56 PM EDTSpecial Marine WarningBUF94 min
Sep 17, 7:00 PM EDTTornado WarningBUFCattaraugus30 min
Sep 17, 7:30 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wayne60 min
Sep 17, 7:50 PM EDTSpecial Marine WarningBUF55 min

Nearby

Tornado Warnings in New York, 2016Every tornado warning in 2016Tornadoes in 2016

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.