Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 57, NWS Buffalo, NY

August 25, 2016Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 25, 2016, 8:09 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 51 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
Aug 25, 2016, 8:09 PM EDT (00:09 UTC)
Expired
Aug 25, 2016, 9:00 PM EDT
In force
51 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 101 km from the middle of the area, began a volume at 00:10 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 00:00Z, 0.2 hours before the alert went out and 98 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 00:00Z on 2016-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1222 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 00:00Z on 2016-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
1222 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

322 
WUUS51 KBUF 260009
SVRBUF
NYC003-009-260100-
/O.NEW.KBUF.SV.W.0057.160826T0009Z-160826T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
809 PM EDT THU AUG 25 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  SOUTHWESTERN ALLEGANY COUNTY IN WESTERN NEW YORK...

* UNTIL 900 PM EDT

* AT 808 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ALLEGANY
  STATE PARK...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  OLEAN...SALAMANCA...ALLEGANY STATE PARK...LIMESTONE...
  ST. BONAVENTURE...WESTON MILLS...CARROLLTON AND BOLIVAR.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 18 AND 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4200 7883 4202 7890 4219 7882 4207 7817
      4200 7820
TIME...MOT...LOC 0008Z 288DEG 26KT 4208 7877 

HAIL...1.00IN
WIND...60MPH
 
$$

WOOD
2 follow-up statements
705 
WWUS51 KBUF 260037
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
837 PM EDT THU AUG 25 2016

NYC003-009-260100-
/O.CON.KBUF.SV.W.0057.000000T0000Z-160826T0100Z/
CATTARAUGUS NY-ALLEGANY NY-
837 PM EDT THU AUG 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN CATTARAUGUS AND SOUTHWESTERN ALLEGANY COUNTIES...

AT 837 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ST.
BONAVENTURE...OR NEAR OLEAN...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
OLEAN...ALLEGANY STATE PARK...ALLEGANY...ST. BONAVENTURE...
WESTON MILLS...CARROLLTON...PORTVILLE AND LIMESTONE.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 23 AND 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4200 7884 4215 7861 4204 7818 4200 7820
TIME...MOT...LOC 0037Z 288DEG 26KT 4202 7851 

HAIL...<.75IN
WIND...60MPH
 
$$

WOOD
038 
WWUS51 KBUF 260100
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
900 PM EDT THU AUG 25 2016

NYC003-009-260110-
/O.EXP.KBUF.SV.W.0057.000000T0000Z-160826T0100Z/
CATTARAUGUS NY-ALLEGANY NY-
900 PM EDT THU AUG 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CATTARAUGUS AND
SOUTHWESTERN ALLEGANY COUNTIES HAS EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAS EXITED THE WARNED AREA. THEREFORE...THE WARNING HAS
BEEN ALLOWED TO EXPIRE.

LAT...LON 4200 7884 4215 7861 4204 7818 4200 7820
TIME...MOT...LOC 0058Z 288DEG 26KT 4202 7851 

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:43 PM EDTSpecial Weather StatementBUFGenesee62 min

Nearby

Severe Thunderstorm Warnings in New York, 2016Every severe thunderstorm warning 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.