Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 96, NWS Buffalo, NY

August 24, 2007Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 24, 2007, 4:32 AM EDT for Erie County, New York. It was in force for 43 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, 4:32 AM EDT (08:32 UTC)
Expired
Aug 24, 2007, 5:15 AM EDT
In force
43 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Erie County, NY

The radar

The Buffalo radar (KBUF), 6 km from the middle of the area, began a volume at 08:32 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.5 hours before the alert went out and 7 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 2007-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 943 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 2007-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
943 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1017 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 240832
SVRBUF
NYC029-240915-
/O.NEW.KBUF.SV.W.0096.070824T0832Z-070824T0915Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 515 AM EDT

* AT 427 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 15 MILES WEST OF BUFFALO...OR
  ABOUT 7 MILES SOUTHEAST OF PORT COLBORNE...AND MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BUFFALO BY 450 AM EDT...
  CHEEKTOWAGA BY 455 AM EDT...
  HARRIS HILL BY 500 AM EDT...
  AKRON BY 515 AM EDT...

LAT...LON 4308 7846 4288 7847 4278 7888 4285 7887
      4294 7893 4297 7899 4298 7898 4309 7873
      4310 7863 4307 7858 4310 7851
TIME...MOT...LOC 0832Z 248DEG 38KT 4284 7907

$$

APB
1 follow-up statement
000 
WWUS51 KBUF 240914
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
514 AM EDT FRI AUG 24 2007

NYC029-240924-
/O.EXP.KBUF.SV.W.0096.000000T0000Z-070824T0915Z/
ERIE NY-
514 AM EDT FRI AUG 24 2007

...THE SEVERE THUNDERSTORM WARNING FOR ERIE COUNTY EXPIRES AT 515 AM
EDT...

AT 514 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE 
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND EXITED THE 
COUNTY...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4308 7846 4288 7847 4278 7888 4285 7887
      4294 7893 4297 7899 4298 7898 4309 7873
      4310 7863 4307 7858 4310 7851
TIME...MOT...LOC 0914Z 248DEG 38KT 4301 7851

$$

APB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 4:09 AM EDTSpecial Marine WarningBUF66 min
Aug 24, 6:35 PM EDTSevere Thunderstorm WarningBUFAllegany55 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; radar from the NEXRAD Level II archive.