Alert archive / New York / Flash Flood Warnings in 2004

Flash Flood Warning 12, NWS Buffalo, NY

May 23, 2004Oswego County, New York

NWS Buffalo, NY issued this flash flood warning at May 23, 2004, 11:10 PM EDT for Oswego 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 23, 2004, 11:10 PM EDT (03:10 UTC)
Expired
May 24, 2004, 2:00 AM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Oswego County, NY

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 3.2 hours before the alert went out and 209 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 00:00Z on 2004-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2004-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KBUF 240314
FFWBUF
NYC075-240600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1110 PM EDT SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 200 AM EDT

* AT 1105 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING TO MOVE ACROSS       
  CENTRAL NEW YORK. RAINFALL FROM 9 TO 11 PM ACROSS OSWEGO COUNTY    
  WAS GENERALLY ONE TO TWO INCHES.

* ALTHOUGH THE HEAVIEST STORMS HAVE PASSED TO THE SOUTH AND EAST OF  
  THE COUNTY AS OF 11 PM...ADDITIONAL STORMS DEVELOPING ALONG THE   
  WARM FRONT OVER EASTERN LAKE ONTARIO WILL MOVE ACROSS OSWEGO       
  COUNTY DURING THE NEXT COUPLE OF HOURS WITH ADDITIONAL RAINFALL    
  OF OVER AN INCH. THIS MAY BE ENOUGH TO CAUSE FLASH FLOODING.

IF YOU ARE IN AN AREA PRONE TO FLOODING...TAKE NECESSARY PRECAUTIONS 
TO PROTECT LIFE AND PROPERTY. 

LAT...LON 4345 7636 4332 7619 4341 7596 4369 7603

$$

MCLAUGHLIN
2 follow-up statements
000 
WGUS71 KBUF 240540
FFSBUF
NYC075-240600-

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

...A FLASH FLOOD WARNING FOR CONTINUES UNTIL 200 AM EDT FOR OSWEGO
COUNTY.

AT 136 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED AN 
AREA OF THUNDERSTORMS EXTENDING FROM PALERMO TO SANDY CREEK...MOVING 
TO THE EAST AT 35 MILES AN HOUR. WHILE THE THUNDERSTORMS HAVE 
WEAKENED...THE ADDITIONAL RAINFALL WILL CONTINUE TO PRODUCE FLASH 
FLOODING THROUGH 2 AM EDT. 

LAT...LON 4345 7636 4332 7619 4341 7596 4369 7603

$$

TJP
000 
WGUS71 KBUF 240604
FFSBUF
NYC075-240600-

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

THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR OSWEGO COUNTY
HAS EXPIRED. 

AT 200 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR STILL SHOWED 
SCATTERED SHOWERS AND THUNDERSTORMS MOVING THROUGH THE COUNTY...BUT 
NO FLOODING HAS BEEN REPORTED. THEREFORE...THE FLASH FLOOD WARNING 
HAS BEEN ALLOWED TO EXPIRE. 

LAT...LON 4345 7636 4332 7619 4341 7596 4369 7603

$$

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 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, 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.