Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 21, NWS Buffalo, NY

June 26, 1998Wyoming County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 26, 1998, 7:33 AM EDT for Wyoming County, New York. It was in force for 92 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
Jun 26, 1998, 7:33 AM EDT (11:33 UTC)
Expired
Jun 26, 1998, 9:05 AM EDT
In force
92 min
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 11:52 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, 11.6 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 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1359 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 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1359 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 261134
FFWBUF
NYC121-261305-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
733 AM EDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

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

* UNTIL 905 AM EDT

* AT 715 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED NUMEROUS STRONG THUNDERSTORMS PRODUCING
  TORRENTIAL DOWNPOURS ACROSS WYOMING COUNTY.

* ADDITIONAL STORMS OVER ERIE COUNTY ARE EXPECTED TO MOVE EAST AND
  CROSS WYOMING COUNTY THROUGH MID MORNING. RAINFALL RATES OF UP TO
  2 INCHES AN HOUR WILL PRODUCE RAPID FLOODING OF ROADS...BASEMENTS
  AND LOW LYING AREAS.

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

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

TAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:40 AM EDTSevere Thunderstorm WarningBUFJefferson65 min
Jun 26, 2:00 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 2:04 AM EDTSevere Thunderstorm WarningBUFLewis61 min
Jun 26, 2:19 AM EDTSevere Thunderstorm WarningBUFOswego66 min
Jun 26, 2:54 AM EDTSevere Thunderstorm WarningBUFNiagara61 min
Jun 26, 3:14 AM EDTSevere Thunderstorm WarningBUFOrleans61 min
Jun 26, 3:31 AM EDTSevere Thunderstorm WarningBUFErie59 min
Jun 26, 3:42 AM EDTSevere Thunderstorm WarningBUFGenesee63 min
Jun 26, 3:50 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 4:23 AM EDTFlash Flood WarningBUFErie, Genesee2 hr
Jun 26, 4:53 AM EDTSevere Thunderstorm WarningBUFWyoming62 min
Jun 26, 5:59 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua61 min
Jun 26, 6:43 AM EDTSevere Thunderstorm WarningBUFErie87 min
Jun 26, 8:01 AM EDTFlash Flood WarningBUFGenesee94 min
Jun 26, 8:30 AM EDTSevere Thunderstorm WarningBUFLivingston, Monroe50 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.