Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 52, NWS Buffalo, NY

July 8, 2014Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2014, 4:43 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 62 min. 7 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 8, 2014, 4:43 PM EDT (20:43 UTC)
Expired
Jul 8, 2014, 5:45 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

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 20:45 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 8, 4:45 PM EDTTSTM WND DMGHinsdale, NYTREE LIMBS DOWN
Jul 8, 4:47 PM EDTTSTM WND DMGAllegany, NYA COUPLE OF TREES DOWN IN TOWN
Jul 8, 5:01 PM EDTTSTM WND DMGFriendship, NYTREES DOWN IN TOWN
Jul 8, 5:22 PM EDTTSTM WND DMGWellsville, NYTREES DOWN
Jul 8, 5:29 PM EDTTSTM WND DMGAndover, NYTREES DOWN
Jul 8, 5:34 PM EDTTSTM WND DMG3 S Almond, NYTREES DOWN
Jul 8, 5:41 PM EDTTSTM WND DMGIndependence, 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 8, 1:04 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.7 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 12:00Z on 2014-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 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 2014-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
232 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

579 
WUUS51 KBUF 082043
SVRBUF
NYC003-009-082145-
/O.NEW.KBUF.SV.W.0052.140708T2043Z-140708T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
443 PM EDT TUE JUL 8 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 24 AND 33.

* UNTIL 545 PM EDT

* AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM HINSDALE TO 13 MILES SOUTHWEST OF ST. BONAVENTURE...AND       
  MOVING EAST AT 60 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  OLEAN...
  PORTVILLE...
  BOLIVAR...
  CUBA...
  WELLSVILLE...
  ALFRED...
  WHITESVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4200 7859 4200 7860 4223 7844 4240 7773
      4199 7775
TIME...MOT...LOC 2042Z 253DEG 54KT 4215 7838 4193 7854

$$

HITCHCOCK
2 follow-up statements
007 
WWUS51 KBUF 082115
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
515 PM EDT TUE JUL 8 2014

NYC009-082125-
/O.CAN.KBUF.SV.W.0052.000000T0000Z-140708T2145Z/
CATTARAUGUS NY-
515 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CATTARAUGUS 
COUNTY IS CANCELLED...

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

LAT...LON 4201 7831 4203 7831 4224 7818 4240 7773
      4199 7775
TIME...MOT...LOC 2115Z 256DEG 51KT 4215 7799 4200 7809

$$

NYC003-082145-
/O.CON.KBUF.SV.W.0052.000000T0000Z-140708T2145Z/
ALLEGANY NY-
515 PM EDT TUE JUL 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHERN ALLEGANY COUNTY...

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 29 AND 33.

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM SCIO TO 6 MILES SOUTH OF BOLIVAR...MOVING EAST AT 60 
MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WELLSVILLE...
  ALFRED...
  ALMOND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4201 7831 4203 7831 4224 7818 4240 7773
      4199 7775
TIME...MOT...LOC 2115Z 256DEG 51KT 4215 7799 4200 7809

$$

HITCHCOCK
961 
WWUS51 KBUF 082145
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
545 PM EDT TUE JUL 8 2014

NYC003-082155-
/O.EXP.KBUF.SV.W.0052.000000T0000Z-140708T2145Z/
ALLEGANY NY-
545 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ALLEGANY COUNTY HAS
EXPIRED...

AT 545 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORMS THAT PROMPTED THE WARNING HAVE EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

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

LAT...LON 4201 7831 4203 7831 4224 7818 4240 7773
      4199 7775
TIME...MOT...LOC 2115Z 256DEG 51KT 4215 7799 4200 7809

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:12 PM EDTSpecial Marine WarningBUF63 min
Jul 7, 9:02 PM EDTSpecial Marine WarningBUF58 min
Jul 7, 10:20 PM EDTSpecial Marine WarningBUF25 min
Jul 7, 10:25 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Orleans, Wyoming65 min
Jul 8, 2:03 AM EDTSmall Craft AdvisoryBUF33 hr
Jul 8, 1:01 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua59 min
Jul 8, 1:56 PM EDTSevere Thunderstorm WarningBUFErie, Wyoming49 min
Jul 8, 2:43 PM EDTSpecial Marine WarningBUF92 min
Jul 8, 2:45 PM EDTSevere Thunderstorm WarningBUFChautauqua60 min
Jul 8, 3:06 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie54 min
Jul 8, 3:08 PM EDTSpecial Marine WarningBUF82 min
Jul 8, 3:28 PM EDTSpecial Marine WarningBUF92 min
Jul 8, 3:35 PM EDTSevere Thunderstorm WarningBUFErie, Niagara55 min
Jul 8, 3:46 PM EDTSpecial Weather StatementBUFLewis44 min
Jul 8, 4:00 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie45 min
Jul 8, 4:10 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans, Wyoming44 min
Jul 8, 4:21 PM EDTSpecial Marine WarningBUF84 min
Jul 8, 4:31 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Orleans, Wyoming57 min
Jul 8, 4:51 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Oswego, Wayne54 min
Jul 8, 4:57 PM EDTSpecial Marine WarningBUF63 min
Jul 8, 4:58 PM EDTAreal Flood AdvisoryBUFGenesee, Livingston, Monroe, Ontario, Orleans, Wyoming3 hr
Jul 8, 5:02 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne58 min
Jul 8, 5:16 PM EDTSpecial Marine WarningBUF89 min
Jul 8, 5:41 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne79 min
Jul 8, 5:56 PM EDTSpecial Marine WarningBUF64 min
Jul 8, 6:03 PM EDTSevere Thunderstorm WarningBUFJefferson, Oswego57 min
Jul 8, 6:12 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis78 min
Jul 8, 6:54 PM EDTAreal Flood AdvisoryBUFJefferson, Lewis3 hr
Jul 8, 7:30 PM EDTSpecial Marine WarningBUF60 min

Nearby

Severe Thunderstorm Warnings in New York, 2014Every severe thunderstorm warning in 2014

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.