Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 50, NWS Buffalo, NY

July 8, 20145 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2014, 4:10 PM EDT for 5 counties in New York. It was in force for 44 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 8, 2014, 4:10 PM EDT (20:10 UTC)
Expired
Jul 8, 2014, 4:54 PM EDT
In force
44 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Erie County, NY, Genesee County, NY, Niagara County, NY, Orleans County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 53 km from the middle of the area, began a volume at 20:11 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, 4:42 PM EDTTSTM WND DMGPavilion, NYTREE AND WIRES DOWN JUST OFF ROUTE 20.
Jul 8, 4:47 PM EDTTSTM WND DMGEagle, NYONE TREE DOWN... ONE LEANING. 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, 8.2 hours before the alert went out and 49 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.

957 
WUUS51 KBUF 082010
SVRBUF
NYC029-037-063-073-121-082115-
/O.NEW.KBUF.SV.W.0050.140708T2010Z-140708T2115Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ERIE COUNTY IN WESTERN NEW YORK
  GENESEE COUNTY IN WESTERN NEW YORK
  EASTERN NIAGARA COUNTY IN WESTERN NEW YORK   
  ORLEANS COUNTY IN WESTERN NEW YORK
  WYOMING COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 47 AND 48.

* UNTIL 515 PM EDT

* AT 408 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 6 MILES NORTHWEST OF MIDDLEPORT TO ARCADE...OR ALONG A LINE
  EXTENDING FROM 9 MILES NORTHWEST OF MEDINA TO 19 MILES SOUTH OF
  EAST AURORA...AND MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  JAVA CENTER...
  VARYSBURG...
  WATERPORT...
  MEDINA...
  ALBION...
  WARSAW...
  PORTAGEVILLE...
  BATAVIA...
  LE ROY...

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 4253 7848 4287 7850 4338 7848 4338 7800
      4336 7799 4314 7800 4313 7794 4304 7795
      4300 7792 4290 7796 4264 7797 4260 7802
      4259 7800 4257 7805 4257 7803 4254 7806
      4252 7805
TIME...MOT...LOC 2009Z 249DEG 49KT 4330 7852 4251 7849

$$

HITCHCOCK
2 follow-up statements
552 
WWUS51 KBUF 082033
SVSBUF

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

NYC029-063-082042-
/O.CAN.KBUF.SV.W.0050.000000T0000Z-140708T2115Z/
NIAGARA NY-ERIE NY-
433 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ERIE AND EASTERN 
NIAGARA COUNTIES IS CANCELLED...

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

LAT...LON 4253 7842 4338 7838 4338 7800 4336 7799
      4314 7800 4313 7794 4304 7795 4300 7792
      4290 7796 4264 7797 4260 7802 4259 7800
      4257 7805 4257 7804 4252 7805
TIME...MOT...LOC 2032Z 249DEG 49KT 4335 7813 4261 7816

$$

NYC037-073-121-082115-
/O.CON.KBUF.SV.W.0050.000000T0000Z-140708T2115Z/
GENESEE NY-WYOMING NY-ORLEANS NY-
433 PM EDT TUE JUL 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR ORLEANS...WYOMING AND GENESEE COUNTIES...

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 47 AND 48.

AT 430 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 POINT BREEZE TO BLISS...MOVING EAST AT 55 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  PAVILION...
  BERGEN...
  BATAVIA...
  LEROY...
  STAFFORD...
  WARSAW...
  ALBION...

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 4253 7842 4338 7838 4338 7800 4336 7799
      4314 7800 4313 7794 4304 7795 4300 7792
      4290 7796 4264 7797 4260 7802 4259 7800
      4257 7805 4257 7804 4252 7805
TIME...MOT...LOC 2032Z 249DEG 49KT 4335 7813 4261 7816

$$

HITCHCOCK
783 
WWUS51 KBUF 082054
SVSBUF

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

NYC037-073-121-082104-
/O.CAN.KBUF.SV.W.0050.000000T0000Z-140708T2115Z/
GENESEE NY-WYOMING NY-ORLEANS NY-
454 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR ORLEANS...WYOMING AND GENESEE 
COUNTIES IS CANCELLED...

AT 454 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4253 7842 4338 7838 4338 7800 4336 7799
      4314 7800 4313 7794 4304 7795 4300 7792
      4290 7796 4264 7797 4260 7802 4259 7800
      4257 7805 4257 7804 4252 7805
TIME...MOT...LOC 2054Z 249DEG 49KT 4346 7774 4272 7778

$$

HITCHCOCK

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, 4:21 PM EDTSpecial Marine WarningBUF84 min
Jul 8, 4:31 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Orleans, Wyoming57 min
Jul 8, 4:43 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus62 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.