Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 36, NWS Buffalo, NY

August 14, 1998Cattaraugus County, New York

NWS Buffalo, NY issued this flash flood warning at Aug 14, 1998, 8:15 PM EDT for Cattaraugus County, New York. It was in force for 2 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
Aug 14, 1998, 8:15 PM EDT (00:15 UTC)
Expired
Aug 14, 1998, 10:15 PM EDT
In force
2 hr
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 00:15 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, 0.3 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 1998-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 989 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 00:00Z on 1998-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
989 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1078 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 150016
FFWBUF
NYC009-150215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
815 PM EDT FRI AUG 14 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CATTARAUGUS COUNTY IN WESTERN NEW YORK

* UNTIL 1015 PM EDT

* AT 810 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED PERSISTENT THUNDERSTORMS OVER THE SOUTHERN
  PORTIONS OF CATTARAUGUS COUNTY ESPECIALLY ALLEGANY STATE
  PARTK.

* THESE STORMS HAVE PRODUCED 2 TO 3 INCHES OF RAIN ALREADY
  AND COULD PRODUCE AN ADDITIONAL COUPLE OF INCHES BEFORE
  MOVING OUT OF THE AREA.

IF YOU ARE IN THESE AREAS...BE PREPARED TO TAKE ACTION NOW. MOVE TO
HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD.

IF FLOODING IS OBSERVED...ACT QUICKLY.  MOVE TO ESCAPE FLOOD
WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER
BEGINS RISING.

REMEMBER...A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING I>S
IMMINENT OR ALREADY OCCURRING. TAKE NECESSARY PRECAUTIONS TO
PROTECT LIFE AND PROPERTY IMMEDIATELY.

LEVAN

Nearby

Flash Flood Warnings in New York, 1998Every flash flood warning in 1998

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.