Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 59, NWS Buffalo, NY

July 5, 2013Cayuga County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 5, 2013, 2:29 PM EDT for Cayuga County, Wayne County, New York. It was in force for 31 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
Jul 5, 2013, 2:29 PM EDT (18:29 UTC)
Expired
Jul 5, 2013, 3:00 PM EDT
In force
31 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cayuga County, NY, Wayne County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.5 hours before the alert went out and 171 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 2013-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 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 2013-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
379 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

085 
WUUS51 KBUF 051829
SVRBUF
NYC011-117-051900-
/O.NEW.KBUF.SV.W.0059.130705T1829Z-130705T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
229 PM EDT FRI JUL 5 2013

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CAYUGA COUNTY IN CENTRAL NEW YORK
  SOUTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 300 PM EDT

* AT 225 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CLYDE...OR 7 MILES NORTHWEST OF MONTEZUMA...AND MOVING EAST AT 25
  MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CONQUEST...
  WEEDSPORT...

LAT...LON 4310 7649 4303 7648 4302 7655 4303 7671
      4301 7677 4301 7691 4317 7693 4321 7647
      4320 7647 4311 7647
TIME...MOT...LOC 1829Z 266DEG 23KT 4308 7679

$$

HIBBERT
2 follow-up statements
309 
WWUS51 KBUF 051849
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
249 PM EDT FRI JUL 5 2013

NYC117-051859-
/O.CAN.KBUF.SV.W.0059.000000T0000Z-130705T1900Z/
WAYNE NY-
249 PM EDT FRI JUL 5 2013

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE COUNTY IS
CANCELLED...

LAT...LON 4310 7649 4303 7648 4302 7655 4303 7671
      4319 7670 4321 7647 4311 7647
TIME...MOT...LOC 1849Z 266DEG 23KT 4309 7662

$$

NYC011-051900-
/O.CON.KBUF.SV.W.0059.000000T0000Z-130705T1900Z/
CAYUGA NY-
249 PM EDT FRI JUL 5 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTH CENTRAL CAYUGA COUNTY...

AT 248 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CONQUEST...OR 7 MILES NORTHEAST OF MONTEZUMA...MOVING
EAST AT 25 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WEEDSPORT...
  MERIDIAN...

LAT...LON 4310 7649 4303 7648 4302 7655 4303 7671
      4319 7670 4321 7647 4311 7647
TIME...MOT...LOC 1849Z 266DEG 23KT 4309 7662

$$

HIBBERT
379 
WWUS51 KBUF 051858
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
258 PM EDT FRI JUL 5 2013

NYC011-051908-
/O.EXP.KBUF.SV.W.0059.000000T0000Z-130705T1900Z/
CAYUGA NY-
258 PM EDT FRI JUL 5 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CAYUGA COUNTY
WILL EXPIRE AT 300 PM EDT...

AT 258 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED 
AREA...THUS THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4310 7649 4303 7648 4302 7655 4303 7671
      4319 7670 4321 7647 4311 7647
TIME...MOT...LOC 1858Z 266DEG 23KT 4309 7654

$$

HIBBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 12:59 PM EDTSpecial Marine WarningBUF31 min
Jul 5, 1:50 PM EDTSpecial Marine WarningBUF40 min
Jul 5, 2:11 PM EDTSpecial Weather StatementBUFOswego64 min
Jul 5, 2:55 PM EDTSpecial Weather StatementBUFLewis35 min
Jul 5, 2:59 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego61 min
Jul 5, 6:35 PM EDTSpecial Weather StatementBUFWayne25 min

Nearby

Severe Thunderstorm Warnings in New York, 2013Every severe thunderstorm warning in 2013

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.