Alert archive / New York / Flash Flood Warnings in 1996

Flash Flood Warning 35, NWS Buffalo, NY

September 17, 1996Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at Sep 17, 1996, 4:59 PM EDT for Chautauqua County, New York. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 17, 1996, 4:59 PM EDT (20:59 UTC)
Expired
Sep 17, 1996, 10:00 PM EDT
In force
5 hr
Issued by
NWS Buffalo, NY
Area
Whole counties

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 21:02 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 12:00Z, 9.0 hours before the alert went out and 91 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 12:00Z on 1996-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 12:00Z on 1996-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
20 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
57 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 
TTAA00 KBUF 172057
FFWBUF
NYC013-180200-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
459 PM EDT TUE SEP 17 1996

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A FLOOD WARNING
FOR URBAN AND SMALL STREAM FLOODING EFFECTIVE UNTIL 1000 PM EDT FOR
PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...CHAUTAUQUA COUNTY
 
BUFFALO RADAR CONTINUES TO SHOW A LARGE AREA OF MODERATE RAIN OVER
CHAUTAUQUA COUNTY WITH THE HEAVIEST RAIN OVER SOUTHWEST PORTIONS OF THE
COUNTY SOUTH OF CLYMER...NEAR RIPLEY...AND OVER NORTHEAST PORTIONS OF
THE COUNTY NORTHEAST OF SINCLAIRVILLE. A SPOTTER REPORTED 2.3 INCHES OF
RAIN IN RIPLEY FROM NOON TIL 430 PM.

THIS AMOUNT OF RAIN IS ENOUGH TO CAUSE URBAN...POOR DRAINAGE AND SMALL
STREAM FLOODING.

THE STEADY RAIN IS EXPECTED TO CONTINUE THROUGH THE EARLY EVENING
HOURS. RAINFALL AMOUNTS OF 2 INCHES OR MORE IN THREE HOURS IS ENOUGH TO
CAUSE POOR DRAINAGE AND SMALL STREAM FLOODING IN THIS AREA.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

Ab FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED. IF YOU
LIVE IN AN AREA PRONE TO THIS TYPE OF FLOODING YOU SHOULD TAKE THE
NECESSARY PRECAUTIONS.

PACE

Nearby

Flash Flood Warnings in New York, 1996Every flash flood warning in 1996

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.