Alert archive / New York / Flash Flood Warnings in 2004

Flash Flood Warning 14, NWS Buffalo, NY

May 24, 2004Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at May 24, 2004, 1:14 AM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 3 hr. 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 24, 2004, 1:14 AM EDT (05:14 UTC)
Expired
May 24, 2004, 4:15 AM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 05:16 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, 5.2 hours before the alert went out and 89 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 2004-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 234 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 2004-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 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
234 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
812 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
368 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KBUF 240521
FFWBUF
NYC009-013-240815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
114 AM EDT MON MAY 24 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK
  CATTARAUGUS COUNTY IN WESTERN NEW YORK

* UNTIL 415 AM EDT

* AT 111 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  AN AREA OF HEAVY RAIN PRODUCING THUNDERSTORMS EXTENDING FROM 
  FINLEY LAKE TO SALAMANCA...MOVING EAST AT ABOUT 35 MILES PER HOUR. 

* THE THUNDERSTORMS PRODUCING FLASH FLOODING WILL AFFECT... 
  HINSDALE 
  FINDLEY LAKE 
  BEMUS POINT  
  JAMESTOWN
  ALLEGANY PARK 
  SALAMANCA 

THE THUNDERSTORMS WILL BE TRAINING ACROSS THE SAME AREA OVER THE
THE NEXT COUPLE OF HOURS. RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE 
POSSIBLE. THIS WILL BE ENOUGH TO CAUSE FLASH FLOODING.   
     
   
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4226 7970 4204 7969 4208 7840 4245 7843

$$

TJP
2 follow-up statements
000 
WGUS71 KBUF 240641
FFSBUF
NYC009-013-240815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
235 AM EDT MON MAY 24 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 415 AM EDT FOR CATTARAUGUS
AND CHAUTAUQUA COUNTIES...

AT 231 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODED 
BASEMENTS IN LEON AND ISCHUA...AND THERE WAS FLOODING ALONG ROUTE 
16. FLOODING WAS ALSO REPORTED IN SINCLAIRVILLE...AND ROUTE 60 HAS 
BEEN CLOSED DUE TO FLOODING. THUNDERSTORMS MOVING ACROSS THE AREA 
ARE STILL PRODUCING STEADY RAIN...ESPECIALLY OVER CATTARAUGUS COUNTY 
WHERE RAINFALL RATES UP TO ONE INCH PER HOUR ARE STILL BEING 
REPORTED. THUS...THE THREAT OF FLASH FLOODING CONTINUES. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CHAUTAUQUA INSTITUTE...ASHFORD 
HOLLOW...ASHFORD...SALAMANCA...MAYVILLE...LAKEWOOD...JAMESTOWN 
WEST...JAMESTOWN...FALCONER AND ALLEGANY.

LAT...LON 4226 7970 4204 7969 4208 7840 4245 7843

$$

TJP
000 
WGUS71 KBUF 240749
FFSBUF
NYC009-013-240815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
346 AM EDT MON MAY 24 2004

...THE FLASH FLOOD WARNING FOR CATTARAUGUS AND CHAUTAUQUA COUNTIES IS
CANCELED...

THE THUNDERSTORMS WITH HEAVY RAIN HAVE MOVED EAST OF THE AREA. THE 
RUNOFF FROM THESE STORMS HAS ALSO SUBSIDED. THEREFORE...THE FLASH 
FLOOD WARNING HAS BEEN CANCELED. 

LAT...LON 4226 7970 4204 7969 4208 7840 4245 7843

$$

TJP

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 11:02 PM EDTSpecial Marine WarningBUF88 min
May 23, 11:02 PM EDTSpecial Marine WarningBUF88 min
May 23, 11:10 PM EDTFlash Flood WarningBUFOswego3 hr
May 24, 12:03 AM EDTSevere Thunderstorm WarningBUFErie, Niagara57 min
May 24, 1:05 AM EDTFlash Flood WarningBUFMonroe, Wayne3 hr
May 24, 1:08 AM EDTSevere Thunderstorm WarningBUFMonroe37 min
May 24, 5:32 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua3 hr
May 24, 5:45 AM EDTSpecial Marine WarningBUF60 min
May 24, 6:21 AM EDTSpecial Marine WarningBUF54 min
May 24, 6:21 AM EDTSpecial Marine WarningBUF54 min
May 24, 6:21 AM EDTSpecial Marine WarningBUF54 min
May 24, 6:21 AM EDTSpecial Marine WarningBUF54 min
May 24, 6:21 AM EDTSpecial Marine WarningBUF54 min
May 24, 7:13 AM EDTSevere Thunderstorm WarningBUFGenesee47 min
May 24, 7:43 AM EDTSevere Thunderstorm WarningBUFMonroe47 min
May 24, 7:46 AM EDTSpecial Marine WarningBUF89 min
May 24, 3:33 PM EDTSevere Thunderstorm WarningBUFOswego42 min
May 24, 3:47 PM EDTSevere Thunderstorm WarningBUFLewis43 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; radar from the NEXRAD Level II archive.