Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 25, 2016, 12:38 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 55 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
Jul 25, 2016, 12:38 PM EDT (16:38 UTC)
Expired
Jul 25, 2016, 1:33 PM EDT
In force
55 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 97 km from the middle of the area, began a volume at 16:39 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, 4.6 hours before the alert went out and 96 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 2016-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1065 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2016-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.19395878Sfc1 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
1065 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
907 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.9
Supercell composite
8.7

Open this sounding in Storm Lab

The text

As transmitted.

620 
WUUS51 KBUF 251638
SVRBUF
NYC009-013-251745-
/O.NEW.KBUF.SV.W.0040.160725T1638Z-160725T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1238 PM EDT MON JUL 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 145 PM EDT

* AT 1237 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  FALCONER...OR NEAR JAMESTOWN...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  JAMESTOWN...SALAMANCA...ALLEGANY STATE PARK...LAKEWOOD...
  FALCONER...JAMESTOWN WEST...FREWSBURG AND GERRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7897 4208 7936 4226 7931 4219 7855
      4200 7860
TIME...MOT...LOC 1637Z 281DEG 24KT 4216 7924 

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

SMITH
2 follow-up statements
394 
WWUS51 KBUF 251717
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
117 PM EDT MON JUL 25 2016

NYC009-013-251745-
/O.CON.KBUF.SV.W.0040.000000T0000Z-160725T1745Z/
CATTARAUGUS NY-CHAUTAUQUA NY-
117 PM EDT MON JUL 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR SOUTHWESTERN CATTARAUGUS AND SOUTHEASTERN CHAUTAUQUA COUNTIES...

AT 116 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES EAST OF
FREWSBURG...OR 11 MILES WEST OF ALLEGANY STATE PARK...MOVING EAST AT
20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
JAMESTOWN...SALAMANCA...ALLEGANY STATE PARK...FALCONER...
JAMESTOWN WEST...FREWSBURG...CARROLLTON AND RANDOLPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7897 4208 7936 4222 7890 4219 7855
      4200 7860
TIME...MOT...LOC 1716Z 288DEG 19KT 4211 7897 

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

SMITH
108 
WWUS51 KBUF 251733
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
133 PM EDT MON JUL 25 2016

NYC009-013-251742-
/O.CAN.KBUF.SV.W.0040.000000T0000Z-160725T1745Z/
CATTARAUGUS NY-CHAUTAUQUA NY-
133 PM EDT MON JUL 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CATTARAUGUS AND
SOUTHEASTERN CHAUTAUQUA COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THUNDERSTORMS IN THE AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
WESTERN NEW YORK.

LAT...LON 4200 7897 4208 7936 4222 7890 4219 7855
      4200 7860
TIME...MOT...LOC 1732Z 281DEG 24KT 4209 7882 

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 4:29 AM EDTBeach Hazards StatementBUFErie18 hr
Jul 25, 4:29 AM EDTSmall Craft AdvisoryBUF18 hr
Jul 25, 6:33 AM EDTSpecial Marine WarningBUF57 min
Jul 25, 7:11 AM EDTSpecial Marine WarningBUF64 min
Jul 25, 7:15 AM EDTSpecial Marine WarningBUF60 min
Jul 25, 7:21 AM EDTSpecial Weather StatementBUFMonroe54 min
Jul 25, 7:22 AM EDTSpecial Weather StatementBUFGenesee23 min
Jul 25, 7:41 AM EDTSpecial Weather StatementBUFErie64 min
Jul 25, 7:50 AM EDTSpecial Weather StatementBUFGenesee, Monroe55 min
Jul 25, 8:19 AM EDTSpecial Marine WarningBUF56 min
Jul 25, 8:22 AM EDTSpecial Weather StatementBUFNiagara, Orleans23 min
Jul 25, 8:35 AM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming55 min
Jul 25, 8:40 AM EDTSevere Thunderstorm WarningBUFLivingston, Ontario, Wyoming35 min
Jul 25, 9:10 AM EDTSpecial Marine WarningBUF35 min
Jul 25, 9:44 AM EDTSpecial Marine WarningBUF46 min
Jul 25, 9:59 AM EDTSpecial Weather StatementBUFErie46 min
Jul 25, 10:02 AM EDTSpecial Marine WarningBUF58 min
Jul 25, 10:30 AM EDTSpecial Marine WarningBUF60 min
Jul 25, 10:35 AM EDTSpecial Weather StatementBUFNiagara40 min
Jul 25, 10:47 AM EDTSpecial Weather StatementBUFGenesee, Orleans43 min
Jul 25, 10:50 AM EDTSpecial Marine WarningBUF55 min
Jul 25, 11:44 AM EDTSpecial Weather StatementBUFChautauqua46 min
Jul 25, 11:46 AM EDTSpecial Marine WarningBUF59 min
Jul 25, 12:05 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Erie, Wyoming55 min
Jul 25, 12:48 PM EDTSpecial Marine WarningBUF42 min
Jul 25, 12:56 PM EDTSpecial Weather StatementBUFWyoming34 min
Jul 25, 1:01 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus59 min
Jul 25, 1:07 PM EDTSpecial Weather StatementBUFChautauqua38 min
Jul 25, 1:24 PM EDTSpecial Weather StatementBUFLivingston, Ontario36 min
Jul 25, 4:44 PM EDTSpecial Weather StatementBUFGenesee46 min
Jul 25, 5:58 PM EDTSpecial Weather StatementBUFGenesee32 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.