Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 99, NWS Buffalo, NY

August 24, 2007Livingston County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 24, 2007, 9:30 PM EDT for Livingston County, New York. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 24, 2007, 9:30 PM EDT (01:30 UTC)
Expired
Aug 24, 2007, 10:05 PM EDT
In force
35 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Livingston County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.5 hours before the alert went out and 94 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 00:00Z on 2007-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 123 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 00:00Z on 2007-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
123 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1831 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 250130
SVRBUF
NYC051-250230-
/O.NEW.KBUF.SV.W.0099.070825T0130Z-070825T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
930 PM EDT FRI AUG 24 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1030 PM EDT

* AT 927 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR  
  DANSVILLE...AND MOVING EAST AT 15 MPH. THIS STORM HAS A HISTORY OF 
  PRODUCING GOLF SIZED HAIL. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPRINGWATER BY 945 PM EDT...

LAT...LON 4267 7759 4266 7749 4261 7751 4254 7771
      4267 7780 4270 7764
TIME...MOT...LOC 0130Z 272DEG 14KT 4261 7767

$$

TJP
1 follow-up statement
000 
WWUS51 KBUF 250205
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1005 PM EDT FRI AUG 24 2007

NYC051-250215-
/O.CAN.KBUF.SV.W.0099.000000T0000Z-070825T0230Z/
LIVINGSTON NY-
1005 PM EDT FRI AUG 24 2007

...THE SEVERE THUNDERSTORM WARNING FOR LIVINGSTON COUNTY IS
CANCELLED...

AT 1005 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4267 7759 4266 7749 4261 7751 4254 7771
      4267 7780 4270 7764
TIME...MOT...LOC 0205Z 272DEG 14KT 4260 7749

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 9:16 PM EDTSevere Thunderstorm WarningBUFOntario59 min
Aug 24, 11:01 PM EDTSpecial Marine WarningBUF89 min
Aug 24, 11:08 PM EDTSpecial Marine WarningBUF42 min
Aug 24, 11:13 PM EDTSpecial Marine WarningBUF64 min
Aug 24, 11:52 PM EDTSpecial Marine WarningBUF83 min
Aug 25, 2:17 PM EDTSevere Thunderstorm WarningBUFOswego58 min
Aug 25, 2:39 PM EDTSevere Thunderstorm WarningBUFLewis66 min
Aug 25, 5:39 PM EDTSevere Thunderstorm WarningBUFCattaraugus36 min
Aug 25, 5:56 PM EDTSevere Thunderstorm WarningBUFAllegany51 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; the sounding from the Mesonet's radiosonde archive.