Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 18, NWS Buffalo, NY

June 8, 2007Genesee County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2007, 6:13 PM EDT for Genesee County, Wyoming County, New York. It was in force for 24 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
Jun 8, 2007, 6:13 PM EDT (22:13 UTC)
Expired
Jun 8, 2007, 6:37 PM EDT
In force
24 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Genesee County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 22:14 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
Jun 8, 6:22 PM EDTTSTM WND DMGCastile, NYPOLES/TREES/WIRES DOWN
Jun 8, 6:43 PM EDTTSTM WND DMGByron, NYTREES 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
Jun 8, 2:59 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.2 hours before the alert went out and 52 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 2007-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 648 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 2007-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 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
648 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 082214
SVRBUF
NYC037-121-082300-
/O.NEW.KBUF.SV.W.0018.070608T2213Z-070608T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
613 PM EDT FRI JUN 8 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GENESEE COUNTY IN WESTERN NEW YORK
  WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 700 PM EDT

* AT 610 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 PAVILION TO 6 MILES NORTHWEST OF PORTAGEVILLE...AND MOVING    
  EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PAVILLION BY 615 PM EDT...
  PERRY BY 620 PM EDT...

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 4313 7817 4256 7832 4255 7804 4275 7797
      4286 7796 4296 7792 4312 7793

$$

HITCHCOCK
1 follow-up statement
000 
WWUS51 KBUF 082237
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
638 PM EDT FRI JUN 8 2007

NYC037-121-082248-
/O.CAN.KBUF.SV.W.0018.000000T0000Z-070608T2300Z/
WYOMING NY-GENESEE NY-
638 PM EDT FRI JUN 8 2007

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

AT 638 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4313 7817 4256 7832 4255 7804 4275 7797
      4286 7796 4296 7792 4312 7793

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 3:46 PM EDTSpecial Marine WarningBUF119 min
Jun 8, 4:44 PM EDTSevere Thunderstorm WarningBUFErie61 min
Jun 8, 4:46 PM EDTSevere Thunderstorm WarningBUFChautauqua74 min
Jun 8, 4:50 PM EDTSpecial Marine WarningBUF115 min
Jun 8, 4:59 PM EDTSpecial Marine WarningBUF61 min
Jun 8, 5:12 PM EDTSevere Thunderstorm WarningBUFNiagara78 min
Jun 8, 5:20 PM EDTSevere Thunderstorm WarningBUFGenesee, Wyoming55 min
Jun 8, 5:36 PM EDTSevere Thunderstorm WarningBUFCattaraugus69 min
Jun 8, 5:39 PM EDTSevere Thunderstorm WarningBUFErie51 min
Jun 8, 5:47 PM EDTSevere Thunderstorm WarningBUFMonroe58 min
Jun 8, 5:48 PM EDTSevere Thunderstorm WarningBUFOrleans57 min
Jun 8, 5:53 PM EDTSevere Thunderstorm WarningBUFLivingston82 min
Jun 8, 5:59 PM EDTSevere Thunderstorm WarningBUFChautauqua18 min
Jun 8, 6:35 PM EDTSevere Thunderstorm WarningBUFOntario, Wayne55 min
Jun 8, 6:35 PM EDTTornado WarningBUFLivingston40 min
Jun 8, 6:36 PM EDTSpecial Marine WarningBUF54 min
Jun 8, 6:40 PM EDTSevere Thunderstorm WarningBUFAllegany57 min
Jun 8, 7:09 PM EDTSevere Thunderstorm WarningBUFCayuga64 min
Jun 8, 7:11 PM EDTSpecial Marine WarningBUF85 min
Jun 8, 7:27 PM EDTSevere Thunderstorm WarningBUFWayne33 min
Jun 8, 7:31 PM EDTSevere Thunderstorm WarningBUFOswego71 min
Jun 8, 7:58 PM EDTSevere Thunderstorm WarningBUFJefferson64 min

Nearby

Severe Thunderstorm Warnings in New York, 2007Every severe thunderstorm warning in 2007

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.