Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 41, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 25, 2016, 1:01 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 59 min. 2 reports 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
Jul 25, 2016, 1:01 PM EDT (17:01 UTC)
Expired
Jul 25, 2016, 2:00 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 17:00 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
Jul 25, 1:18 PM EDTTSTM WND DMG1 Nnw Cuba, NYTREES AND WIRES DOWN
Jul 25, 1:28 PM EDTTSTM WND DMGOlean, NYTREES AND WIRES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 25, 12:43 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.0 hours before the alert went out and 87 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°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.

885 
WUUS51 KBUF 251701
SVRBUF
NYC003-009-251800-
/O.NEW.KBUF.SV.W.0041.160725T1701Z-160725T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
101 PM EDT MON JUL 25 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 200 PM EDT

* AT 1259 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  ALLEGANY...OR 7 MILES EAST OF SALAMANCA...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  OLEAN...SALAMANCA...WELLSVILLE...ALLEGANY STATE PARK...ALFRED...
  ALLEGANY...FRANKLINVILLE AND BELFAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7889 4252 7836 4246 7772 4200 7775
TIME...MOT...LOC 1659Z 274DEG 32KT 4215 7858 

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

SMITH
3 follow-up statements
894 
WWUS51 KBUF 251722
SVSBUF

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

NYC003-009-251800-
/O.CON.KBUF.SV.W.0041.000000T0000Z-160725T1800Z/
CATTARAUGUS NY-ALLEGANY NY-
122 PM EDT MON JUL 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR SOUTHEASTERN CATTARAUGUS AND ALLEGANY COUNTIES...

AT 119 PM EDT...A CLUSTER OF SEVERE THUNDERSTORMS WAS LOCATED NEAR
OLEAN AND EXTENDING EAST TO NEAR BELMONT...MOVING EAST AT 35 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...WELLSVILLE...ALLEGANY STATE PARK...ALFRED...ALLEGANY...
BELFAST...CUBA AND ST. BONAVENTURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7889 4249 7808 4246 7772 4200 7775
TIME...MOT...LOC 1719Z 274DEG 32KT 4214 7833 

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

SMITH
654 
WWUS51 KBUF 251739
SVSBUF

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

NYC009-251748-
/O.CAN.KBUF.SV.W.0041.000000T0000Z-160725T1800Z/
CATTARAUGUS NY-
139 PM EDT MON JUL 25 2016

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

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

LAT...LON 4200 7831 4201 7831 4247 7786 4246 7773
      4200 7775
TIME...MOT...LOC 1738Z 274DEG 32KT 4213 7810 

$$

NYC003-251800-
/O.CON.KBUF.SV.W.0041.000000T0000Z-160725T1800Z/
ALLEGANY NY-
139 PM EDT MON JUL 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR SOUTHEASTERN ALLEGANY COUNTY...

AT 138 PM EDT...A CLUSTER OF SEVERE THUNDERSTORMS WAS LOCATED 7
MILES WEST OF WELLSVILLE...MOVING EAST AT 35 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...
WELLSVILLE...ALFRED...WHITESVILLE...FRIENDSHIP...SCIO...BOLIVAR...
ANDOVER AND BELMONT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7831 4201 7831 4247 7786 4246 7773
      4200 7775
TIME...MOT...LOC 1738Z 274DEG 32KT 4213 7810 

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

SMITH
016 
WWUS51 KBUF 251758
SVSBUF

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

NYC003-251807-
/O.EXP.KBUF.SV.W.0041.000000T0000Z-160725T1800Z/
ALLEGANY NY-
158 PM EDT MON JUL 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALLEGANY COUNTY
WILL EXPIRE AT 200 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY
RAIN IS 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 7831 4201 7831 4247 7786 4246 7773
      4200 7775
TIME...MOT...LOC 1755Z 274DEG 32KT 4213 7810 

$$

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, 12:38 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua55 min
Jul 25, 12:48 PM EDTSpecial Marine WarningBUF42 min
Jul 25, 12:56 PM EDTSpecial Weather StatementBUFWyoming34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.