Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 15, NWS Buffalo, NY

May 13, 2004Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 13, 2004, 12:31 PM EDT for Lewis County, New York. It was in force for 44 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
May 13, 2004, 12:31 PM EDT (16:31 UTC)
Expired
May 13, 2004, 1:15 PM EDT
In force
44 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Lewis County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.5 hours before the alert went out and 175 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, Albany, NY at 12:00Z on 2004-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 230 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2004-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
230 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
51 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.

149 
WUUS51 KBUF 131631
SVRBUF
NYC049-131715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1231 PM EDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 115 PM EDT

* AT 1223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM INDIAN
  RIVER TO 9 MILES SOUTHEAST OF INDIAN RIVER TO 12 MILES SOUTH OF  
  INDIAN RIVER TO 13 MILES SOUTH OF INDIAN RIVER AND WERE MOVING 
  EAST AT 10 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL LEWIS COUNTY.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4401 7542 4386 7537 4381 7538 4371 7543
          4376 7515 4388 7495 4393 7494 4408 7499

$$

WCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:16 PM EDTFlash Flood WarningBUFLewis119 min
May 13, 1:18 PM EDTSevere Thunderstorm WarningBUFOntario57 min
May 13, 1:27 PM EDTFlash Flood WarningBUFOntario2 hr
May 13, 2:31 PM EDTSevere Thunderstorm WarningBUFWayne29 min
May 13, 2:34 PM EDTSpecial Marine WarningBUF41 min
May 13, 3:05 PM EDTFlash Flood WarningBUFLewis115 min

Nearby

Severe Thunderstorm Warnings in New York, 2004Every severe thunderstorm warning in 2004

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.