Alert archive / New York / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Buffalo, NY

May 24, 2004Monroe County, Wayne County, New York

NWS Buffalo, NY issued this flash flood warning at May 24, 2004, 1:05 AM EDT for Monroe County, Wayne 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, 1:05 AM EDT (05:05 UTC)
Expired
May 24, 2004, 4:00 AM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Monroe County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 126 km from the middle of the area, began a volume at 05:06 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, 5.1 hours before the alert went out and 124 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 240509
FFWBUF
NYC055-117-240800-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN WESTERN NEW YORK
  WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 400 AM EDT

* AT 1255 AM EDT...NATIONAL WEATHER SERVICE DOPPLER SHOWED AN AREA  
  OF HEAVY RAIN PRODUCING THUNDERSTORMS EXTENDING FROM ALBION TO 
  WARSAW. THE STORMS WERE MOVING TO THE EAST AT 40 MILES PER HOUR. 
 

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE NEAR...
  SPENCERPORT AT 110 AM EDT 
  SCOTTSVILLE AT 110 AM EDT 
  PITTSFORD AT 130 AM EDT 
  WEBSTER AT 130 AM EDT 
  ONTARIO AT 200 AM EDT 
  MADISON AT 200 AM EDT 
  SODUS AT 230 AM 
  NEWARK AT 230 AM 

SOME OF THESE THUNDERSTORMS WILL PRODUCE 1 TO 2 INCHES OF RAIN AND   
WILL BE AFFECTING AREAS THAT RECEIVED OVER 2 INCHES OF RAIN LATE     
SUNDAY EVENING. THIS ADDITIONAL RAINFALL WILL PRODUCE FLASH 
FLOODING...ESPECIALLY ACROSS AN AREA EXTENDING FROM ROCHESTER TO   
PORT BAY. 


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 4338 7686 4311 7680 4305 7786 4343 7786

$$

TJP
2 follow-up statements
000 
WGUS71 KBUF 240621
FFSBUF
NYC055-117-240800-

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

...A FLASH FLOOD WARNING CONTINUES UNTIL 400 AM EDT FOR WAYNE AND
MONROE COUNTIES...

AT 211 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODED 
ROADS IN GREECE AND SOME BASEMENT FLOODING IN SODUS. THUNDERSTORMS 
WITH HEAVY RAIN WERE PUSHING THROUGH WAYNE COUNTY AND WILL CONTINUE 
TO PRODUCE FLASH FLOODING. WHILE THE STORMS HAVE CLEARED MONROE 
COUNTY...RUNOFF FROM THE PREVIOUS HEAVY RAINFALL WILL CONTINUE TO 
PRODUCE SOME FLOODING ACROSS THE COUNTY. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WILLIAMSON...ONTARIO...MARION...HENRIETTA...WEBSTER...SPENCERPORT...
ROCHESTER...IRONDEQUOIT...HILTON...GREECE...GATES...FAIRPORT...EAST 
ROCHESTER AND BRIGHTON.

LAT...LON 4338 7686 4311 7680 4305 7786 4343 7786

$$

TJP
000 
WGUS71 KBUF 240819
FFSBUF
NYC055-117-240830-

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

...THE FLASH FLOOD WARNING FOR MONROE AND WAYNE COUNTIES HAS 
EXPIRED...

LIGHT RAIN WILL CONTINUE TO FALL ACROSS THE AREA EARLY THIS MORNING. 
SOME MINOR FLOODING IS STILL POSSIBLE ACROSS POOR DRAINAGE AND OTHER 
LOW LYING AREAS...BUT THE RISK OF MORE WIDESPREAD FLASH FLOODING HAS 
ENDED NOW THAT THE HEAVIER THUNDERSTORMS HAVE MOVED EAST OF THE 
AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO 
EXPIRE. 

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, 1:08 AM EDTSevere Thunderstorm WarningBUFMonroe37 min
May 24, 1:14 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua3 hr
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.