Alert archive / New York / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Buffalo, NY

May 13, 2004Lewis County, New York

NWS Buffalo, NY issued this flash flood warning at May 13, 2004, 1:16 PM EDT for Lewis County, New York. It was in force for 119 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, 1:16 PM EDT (17:16 UTC)
Expired
May 13, 2004, 3:15 PM EDT
In force
119 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, 5.3 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°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.

000 
WGUS51 KBUF 131718
FFWBUF
NYC049-131915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
116 PM EDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 315 PM EDT

* AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 8
  MILES WEST OF INDIAN RIVER TO 7 MILES NORTHWEST OF LOWVILLE TO 
  10 MILES SOUTHEAST OF LOWVILLE TO 17 MILES EAST OF
  LOWVILLE...MOVING EAST AT 5 MPH.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  CASTORLAND AT 130 PM EDT.
  LOWVILLE AT 155 PM EDT.
  INDIAN RIVER AT 225 PM EDT.
  CROGHAN AT 245 PM EDT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. WASHOUTS OF DIRT ROADS ARE EXPECTED...
ESPECIALLY ALONG AND SOUTH OF NUMBER FOUR ROAD AND EAST OF ERIE 
COUNTY ROAD.

LAT...LON 4401 7550 4393 7563 4384 7570 4372 7570
          4367 7546 4369 7515 4378 7455 4376 7485
          4381 7509 4393 7509 4402 7502 4408 7519

$$

WCH
2 follow-up statements
000 
WGUS71 KBUF 131801
FFSBUF
NYC049-131915-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
200 PM EDT THU MAY 13 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 315 PM EDT FOR LEWIS
COUNTY...

AT 148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM INDIAN RIVER TO 9 MILES WEST OF 
INDIAN RIVER TO 7 MILES NORTH OF LOWVILLE TO LOWVILLE TO 17 MILES 
EAST OF LOWVILLE...MOVING EAST AT 5 MPH.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  LOWVILLE AT 155 PM EDT.
  INDIAN RIVER AT 315 PM EDT.

ADDITIONAL RAINFALL AMOUNTS OF 1 INCH TO 1.5 INCHES IN AN HOUR ARE 
POSSIBLE IN THE WARNED AREA. SOME OF THE HEAVIER RAINS WILL BE NEAR 
CASTORLAND...CROGHAN AND INDIAN RIVER...AS WELL AS SOUTH OF NUMBER 
FOUR ROAD. WATER FLOWING OVER ROADS MAY CREATE WASHOUTS...ESPECIALLY 
EAST OF ERIE CANAL ROAD AND SOUTH OF NUMBER FOUR ROAD.

LAT...LON 4401 7550 4393 7563 4384 7570 4372 7570
          4367 7546 4369 7515 4378 7455 4376 7485
          4381 7509 4393 7509 4402 7502 4408 7519

$$

WCH
000 
WGUS71 KBUF 131838
FFSBUF
NYC049-131915-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
235 PM EDT THU MAY 13 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 315 PM EDT FOR LEWIS
COUNTY...

AT 227 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM INDIAN RIVER TO 10 MILES WEST OF
INDIAN RIVER TO 14 MILES SOUTHEAST OF LOWVILLE TO 19 MILES SOUTHEAST 
OF INDIAN RIVER...MOVING EAST AT 5 MPH BUT REFORMING ALONG THE BLACK 
RIVER.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL REMAIN NEAR...
  CASTORLAND AND INDIAN RIVER THROUGH 315 PM EDT.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA. THE HEAVIER RAINS HAVE ALREADY PRODUCED 1.5 TO 2 INCHES 
ALONG THE INDEPENDENCE RIVER NEAR CHASE LAKE AND BETWEEN CROGHAN AND 
LOWVILLE.

LAT...LON 4401 7550 4393 7563 4384 7570 4372 7570
          4367 7546 4369 7515 4378 7455 4376 7485
          4381 7509 4393 7509 4402 7502 4408 7519

$$

WCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 12:31 PM EDTSevere Thunderstorm WarningBUFLewis44 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

Flash Flood Warnings in New York, 2004Every flash flood 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.