Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 23, NWS Buffalo, NY

June 28, 1998Wyoming County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 28, 1998, 8:22 PM EDT for Wyoming 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
Jun 28, 1998, 8:22 PM EDT (00:22 UTC)
Expired
Jun 28, 1998, 10:25 PM EDT
In force
2 hr
Issued by
NWS Buffalo, NY
Area
Whole counties

County Wyoming County, NY

The radar

The Buffalo radar (KBUF), 50 km from the middle of the area, began a volume at 00:25 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, 0.4 hours before the alert went out and 46 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 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
687 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 290023
FFWBUF
NYC121-290225-

BULLETIN - EAS ACTIVATION REQUIRED
FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
822 PM EDT SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 1025 PM EDT

* AT 800 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY
  HEAVY RAIN 10 MILES NORTHEAST OF ARCADE...   MOVING SLOWLY EAST.

* OVER 2 INCHES WAS INDICATED BY DOPPLER RADAR.

IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE
THROUGH WATER COVERING THE ROAD.

REMEMBER...A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR
ALREADY OCCURRING. TAKE NECESSARY PRECAUTIONS TO PROTECT LIFEN
AND PROPERTY.

SAGE

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 9:08 PM EDTFlash Flood WarningBUFAllegany2 hr
Jun 29, 6:27 PM EDTSevere Thunderstorm WarningBUFCattaraugus78 min

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.