Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 49, NWS Buffalo, NY

July 14, 2015Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 14, 2015, 3:23 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 67 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 14, 2015, 3:23 PM EDT (19:23 UTC)
Expired
Jul 14, 2015, 4:30 PM EDT
In force
67 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 75 km from the middle of the area, began a volume at 19:26 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 14, 3:26 PM EDTTSTM WND DMGFranklinville, NYTREES AND WIRES DOWN
Jul 14, 3:50 PM EDTTSTM WND DMGRushford, NYTREES AND WIRES DOWN

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, 7.4 hours before the alert went out and 72 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 2015-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 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 2015-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
63 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
862 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

975 
WUUS51 KBUF 141923
SVRBUF
NYC003-009-142030-
/O.NEW.KBUF.SV.W.0049.150714T1923Z-150714T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
323 PM EDT TUE JUL 14 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 323 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED OVER FRANKLINVILLE...OR 18 MILES NORTHEAST OF
  SALAMANCA...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FRANKLINVILLE...BELFAST...RUSHFORD...HOUGHTON...CANEADEA...
  FRIENDSHIP...BELMONT AND ANGELICA.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 30 AND 31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4228 7858 4246 7857 4251 7799 4219 7797
TIME...MOT...LOC 1923Z 270DEG 19KT 4236 7848 

$$

REYNOLDS
2 follow-up statements
479 
WWUS51 KBUF 141949
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
349 PM EDT TUE JUL 14 2015

NYC003-009-142030-
/O.CON.KBUF.SV.W.0049.000000T0000Z-150714T2030Z/
CATTARAUGUS NY-ALLEGANY NY-
349 PM EDT TUE JUL 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EAST CENTRAL CATTARAUGUS AND NORTHWESTERN ALLEGANY COUNTIES...

AT 348 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR RUSHFORD...OR 20 MILES NORTH OF OLEAN...MOVING EAST AT
20 MPH.

LOCATIONS IMPACTED INCLUDE...
BELFAST...RUSHFORD...HOUGHTON...CANEADEA...FRIENDSHIP...BELMONT...
ANGELICA AND CENTERVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4225 7838 4248 7837 4251 7799 4219 7797
TIME...MOT...LOC 1948Z 270DEG 19KT 4236 7830 

$$

REYNOLDS
702 
WWUS51 KBUF 142028
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
428 PM EDT TUE JUL 14 2015

NYC003-009-142037-
/O.EXP.KBUF.SV.W.0049.000000T0000Z-150714T2030Z/
CATTARAUGUS NY-ALLEGANY NY-
428 PM EDT TUE JUL 14 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CATTARAUGUS AND
NORTHWESTERN ALLEGANY COUNTIES WILL EXPIRE AT 430 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4225 7838 4248 7837 4251 7799 4219 7797
TIME...MOT...LOC 2026Z 270DEG 19KT 4236 7830 

$$

REYNOLDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 11:58 PM EDTSpecial Weather StatementBUFChautauqua92 min
Jul 14, 12:20 AM EDTFlash Flood WarningBUFChautauqua4 hr
Jul 14, 4:03 AM EDTAreal Flood WarningBUFChautauqua6 hr
Jul 14, 4:10 AM EDTFlash Flood WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more21 hr
Jul 14, 4:16 AM EDTSmall Craft AdvisoryBUF35 hr
Jul 14, 8:40 AM EDTSpecial Weather StatementBUFChautauqua20 min
Jul 14, 9:22 AM EDTSpecial Weather StatementBUFChautauqua23 min
Jul 14, 9:27 AM EDTSpecial Weather StatementBUFChautauqua18 min
Jul 14, 9:50 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua, Erie4 hr
Jul 14, 1:47 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua, Erie3 hr
Jul 14, 2:25 PM EDTSpecial Weather StatementBUFCattaraugus50 min
Jul 14, 2:42 PM EDTSpecial Weather StatementBUFOswego63 min
Jul 14, 3:04 PM EDTFlash Flood WarningBUFAllegany, Cattaraugus, Erie, Wyoming3 hr
Jul 14, 3:52 PM EDTFlash Flood WarningBUFAllegany, Cattaraugus, Livingston, Wyoming3 hr
Jul 14, 4:18 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Wyoming34 min
Jul 14, 4:19 PM EDTTornado WarningBUFAllegany26 min
Jul 14, 5:24 PM EDTAreal Flood WarningBUFAllegany, Cattaraugus, Chautauqua, Erie5 hr
Jul 14, 7:51 PM EDTFlash Flood WarningBUFCattaraugus3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015

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.