Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 22, NWS Buffalo, NY

June 26, 1998Genesee County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 26, 1998, 8:01 AM EDT for Genesee County, New York. It was in force for 94 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, 8:01 AM EDT (12:01 UTC)
Expired
Jun 26, 1998, 9:35 AM EDT
In force
94 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Genesee County, NY

The radar

The Buffalo radar (KBUF), 45 km from the middle of the area, began a volume at 12:02 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, 0.0 hours before the alert went out and 42 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 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 601 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 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -87 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
601 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-87 m²/s²
0-3 km storm-relative helicity
-278 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 261202
FFWBUF
NYC037-261335-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

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

* UNTIL 935 AM EDT

* AT 755 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN OVER CORFU...MOVING EAST AT 20
  MPH.

* THESE STORMS ARE MOVING ACROSS AREAS THAT HAVE ALREADY RECEIVED
  HEAVY RAINFALL OVERNIGHT. ADDITIONAL RAIN OF AN INCH OR MORE AN
  HOUR WILL CAUSE FLOODING OF ROADS...UNDERPASSES AND BASEMENTS.

IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE
THROUGH WRATER 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, 7:33 AM EDTFlash Flood WarningBUFWyoming92 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.