Alert archive / New York / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Buffalo, NY

July 29, 2000Cattaraugus County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 29, 2000, 9:05 PM EDT for Cattaraugus County, New York. It was in force for 85 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2000, 9:05 PM EDT (01:05 UTC)
Expired
Jul 29, 2000, 10:30 PM EDT
In force
85 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 01:06 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, 1.1 hours before the alert went out and 76 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 2000-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 108 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 2000-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
108 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
23 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 300113
FFWBUF
NYC009-300230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING FOR URBAN AND SMALL STREAMS
NATIONAL WEATHER SERVICE BUFFALO NY
905 PM EDT SAT JUL 29 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR URBAN AND SMALL STREAMS IN..
  SOUTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK. THIS INCLUDES THE 
  CITY OF SALAMANCA

* UNTIL 1030 PM EDT

* AT 845 PM EDT...WEATHER SERVICE DOPPLER RADAR SHOWED VERY HEAVY    
  RAIN THAT EXTENDED FROM ALONG THE STATE BORDER NEAR ONOVILLE TO    
  SALAMANCA. THE ACTIVITY WAS MOVING NORTHEAST AT 10 MPH.

RADAR ESTIMATES RAINFALL UP TO 3 INCHES IN THE LAST HOUR OVER THE 
CITY OF SALAMANCA. ADDITIONAL THUNDERSTORM CELSS WILL CROSS THE CITY 
DURING THE NEXT HOUR AND PRODUCE ANOTHER 1 OR TWO OF ADDITIONAL 
RAIN. LOCALIZED STREET AND BASEMENT FLOODING IS LIKELY IN THE 
VICINITY OF SALAMANCA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

NIZIOL

Nearby

Flash Flood Warnings in New York, 2000Every flash flood warning in 2000

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.