Alert archive / New York / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Buffalo, NY

May 25, 2003Lewis County, New York

NWS Buffalo, NY issued this flash flood warning at May 25, 2003, 8:52 PM EDT for Lewis County, New York. It was in force for 83 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 25, 2003, 8:52 PM EDT (00:52 UTC)
Expired
May 25, 2003, 10:15 PM EDT
In force
83 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 00:00Z, 0.9 hours before the alert went out and 178 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 2003-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 00:00Z on 2003-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.19395878Sfc1 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
40 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
886 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
13 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 260054
FFWBUF
NYC049-260215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
852 PM EDT SUN MAY 25 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1015 PM EDT

* AT 845 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
  HEAVY RAIN 13 MILES SOUTHWEST OF HIGHMARKET....MOVING NORTHEAST 
  AT 20 MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE...  
  NEAR HIGHMARKET AT 920 PM EDT

A SERIES OF THUNDERSTORMS HAVE CROSSED THE AREA DURING THE LATE 
AFTERNOON AND EVENING HOURS. RADAR BASED ESTIMATES OF PRECIPITATION 
INDICATE SOME LOCATIONS MAY HAVE RECIEVED AS MUCH AS TWO TO TWO AND 
A HALF INCHES OF RAIN OVER THE PAST THREE HOURS. ADDITIONAL 
THUNDERSTORMS ARE EXPECTED TO CROSS THE SAME REGIONS WITHIN THE NEXT 
HOUR. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. IF
YOU LIVE ALONG A STREAM OR CREEK ACT NOW TO PROTECT LIFE AND
PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF
UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS BRIDGES
DIPS OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO
CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

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

LAT...LON 4360 7576 4347 7575 4346 7562 4365 7534
          4381 7555

$$

LEVAN
1 follow-up statement
000 
WGUS71 KBUF 260136
FFSBUF
NYC049-260215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
935 PM EDT SUN MAY 25 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CONTINUED A FLASH FLOOD
WARNING FOR...
  LEWIS COUNTY IN CENTRAL NEW YORK

UNTIL 1015 PM EDT

AT 930 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN JUST NORTH OF HIGHMARKET...MOVING NORTHEAST AT 20 MPH.

THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...  
  LOWVILLE AT 950 PM EDT

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. IF
YOU LIVE ALONG A STREAM OR CREEK ACT NOW TO PROTECT LIFE AND
PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF
UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS BRIDGES
DIPS OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO
CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

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

$$

LEVAN

Nearby

Flash Flood Warnings in New York, 2003Every flash flood warning in 2003

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.