Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 56, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 25, 2016, 7:25 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 50 min. 1 report 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
Aug 25, 2016, 7:25 PM EDT (23:25 UTC)
Expired
Aug 25, 2016, 8:15 PM EDT
In force
50 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 23:30 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
Aug 25, 7:42 PM EDTTSTM WND DMGNew Albion, NYTREES DOWN ON LEON ROAD.

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, 11.4 hours before the alert went out and 88 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 2016-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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 2016-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
157 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

755 
WUUS51 KBUF 252325
SVRBUF
NYC009-013-260015-
/O.NEW.KBUF.SV.W.0056.160825T2325Z-160826T0015Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 815 PM EDT

* AT 725 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  FALCONER...OR 9 MILES NORTHEAST OF JAMESTOWN...MOVING EAST AT 20
  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...
  SALAMANCA...ALLEGANY STATE PARK...FREWSBURG...NEW ALBION...
  CONEWANGO...ELLINGTON...LEON AND CARROLLTON.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 14 AND 21.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4205 7914 4230 7922 4234 7866 4207 7863
TIME...MOT...LOC 2325Z 264DEG 19KT 4218 7910 

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

WOOD
1 follow-up statement
819 
WWUS51 KBUF 252356
SVSBUF

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

NYC013-260006-
/O.CAN.KBUF.SV.W.0056.000000T0000Z-160826T0015Z/
CHAUTAUQUA NY-
756 PM EDT THU AUG 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHAUTAUQUA COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4206 7899 4226 7900 4228 7865 4207 7863
TIME...MOT...LOC 2356Z 275DEG 22KT 4213 7898 

$$

NYC009-260015-
/O.CON.KBUF.SV.W.0056.000000T0000Z-160826T0015Z/
CATTARAUGUS NY-
756 PM EDT THU AUG 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHWESTERN CATTARAUGUS COUNTY...

AT 756 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTHEAST
OF FREWSBURG...OR 12 MILES NORTHWEST OF ALLEGANY STATE PARK...MOVING
EAST AT 25 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...
SALAMANCA...ALLEGANY STATE PARK...CARROLLTON...RANDOLPH...NAPOLI...
LITTLE VALLEY...EAST RANDOLPH AND ELLICOTTVILLE.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 16 AND 21.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4206 7899 4226 7900 4228 7865 4207 7863
TIME...MOT...LOC 2356Z 275DEG 22KT 4213 7898 

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

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 6:01 PM EDTSpecial Marine WarningBUF59 min
Aug 25, 6:31 PM EDTSpecial Weather StatementBUFWyoming29 min
Aug 25, 6:37 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Wyoming44 min
Aug 25, 7:33 PM EDTSpecial Weather StatementBUFErie57 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.