Alert archive / New York / Flash Flood Warnings in 2002

Flash Flood Warning 1, NWS Buffalo, NY

April 3, 2002Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at Apr 3, 2002, 1:52 AM EST for Chautauqua County, New York. It was in force for 4 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: Apr 3, 2002, 1:52 AM EST (06:52 UTC)
Expired: Apr 3, 2002, 6:00 AM EST
In force: 4 hr
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Chautauqua County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 6.9 hours before the alert went out and 100 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 860 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 58 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 030652
FFWBUF
NYC013-031100-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
148 AM EST WED APR 3 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 600 AM EST

* AT 150 AM EST...WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE 
  AREA OF MODERATE TO HEAVY RAIN ACROSS MUCH OF CHAUTAUQUA COUNTY.
  THE HEAVY RAIN EXTENDS BACK INTO NORTHWEST PENNSYLVANIA BUT IS
  GENERALLY MOVING NORTHEAST AT ABOUT 20 MILES AN HOUR.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT OVER 2 INCHES 
OF RAIN HAS FALLEN OVER MUCH OF THE COUNTY, WITH AN ADDITIONAL 
QUARTER TO ONE INCH OF RAIN POSSIBLE BY DAYBREAK.

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.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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

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

LAT...LON 4224 7972 4204 7970 4208 7910 4255 7910

Nearby

Flash Flood Warnings in New York, 2002 Every flash flood warning in 2002

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.