Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 68, NWS Buffalo, NY

July 8, 2007Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2007, 5:31 PM EDT for Ontario County, 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, 2007, 5:31 PM EDT (21:31 UTC)
Expired
Jul 8, 2007, 6:15 PM EDT
In force
44 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Ontario County, NY

The radar

The Binghamton radar (KBGM), 118 km from the middle of the area, began a volume at 21:31 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, 5:55 PM EDTTSTM WND DMGNaples, NYTREE AND WIRES DOWN IN ROAD
Jul 8, 6:05 PM EDTHAIL 0.75Prattsburg, NY

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, 9.5 hours before the alert went out and 119 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 2007-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1824 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
184 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 082132
SVRBUF
NYC069-082215-
/O.NEW.KBUF.SV.W.0068.070708T2131Z-070708T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
531 PM EDT SUN JUL 8 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONTARIO COUNTY IN WESTERN NEW YORK

* UNTIL 615 PM EDT

* AT 529 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES SOUTH OF
  HONEOYE...OR ABOUT 12 MILES NORTHEAST OF DANSVILLE...AND MOVING
  SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NAPLES BY 545 PM EDT...

LAT...LON 4282 7751 4268 7754 4232 7705 4253 7687

$$

SFM
2 follow-up statements
000 
WWUS51 KBUF 082147
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
547 PM EDT SUN JUL 8 2007

NYC069-082215-
/O.CON.KBUF.SV.W.0068.000000T0000Z-070708T2215Z/
ONTARIO NY-
547 PM EDT SUN JUL 8 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR ONTARIO COUNTY...

AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
NAPLES...OR ABOUT 10 MILES WEST OF MIDDLESEX...MOVING SOUTHEAST AT 30
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NAPLES THROUGH 600 PM EDT...

LAT...LON 4282 7751 4268 7754 4232 7705 4253 7687

$$

SFM
000 
WWUS51 KBUF 082217
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
617 PM EDT SUN JUL 8 2007

NYC069-082227-
/O.EXP.KBUF.SV.W.0068.000000T0000Z-070708T2215Z/
ONTARIO NY-
617 PM EDT SUN JUL 8 2007

...THE SEVERE THUNDERSTORM WARNING FOR ONTARIO COUNTY EXPIRED AT 615
PM EDT...

AT 617 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 ALLOWED TO EXPIRE.

THE STORM DID PRODUCE SOME DAMAGE IN NAPLES...WHERE AT LEAST ONE 
TREE WAS KNOCKED OVER AND SOME POWER LINES WERE BROUGHT DOWN.

LAT...LON 4282 7751 4268 7754 4232 7705 4253 7687

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 10:57 AM EDTSpecial Marine WarningBUF48 min
Jul 8, 11:46 AM EDTSevere Thunderstorm WarningBUFWayne29 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.