Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 33, NWS Buffalo, NY

July 8, 1998Monroe County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 8, 1998, 4:54 PM EDT for Monroe County, New York. It was in force for 3 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
Jul 8, 1998, 4:54 PM EDT (20:54 UTC)
Expired
Jul 8, 1998, 7:55 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Whole counties

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 20:53 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, 8.9 hours before the alert went out and 90 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 1998-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 474 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 12:00Z on 1998-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
474 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 082054
FFWBUF
NYC055-082355-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
NATIONAL WEATHER SERVICE BUFFALO NY
454 PM EDT WED JUL 8 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  MONROE COUNTY IN WESTERN NEW YORK

* UNTIL 755 PM EDT

* AT 445 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM WITH VERY HEAVY RAIN NEAR HENRIETTA...MOVING EAST
  AT 15 MPH.

* RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL CAUSE FLOODING OF
  STREETS AND POOR DRAINAGE AREAS IN HENRIETTA...FAIRPORT AND
  PITTSFORD.

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

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:26 AM EDTFlash Flood WarningBUFWyoming119 min
Jul 8, 8:56 AM EDTFlash Flood WarningBUFLivingston119 min
Jul 8, 10:52 AM EDTFlash Flood WarningBUFWyoming3 hr
Jul 8, 11:20 AM EDTFlash Flood WarningBUFLivingston3 hr
Jul 8, 12:59 PM EDTFlash Flood WarningBUFErie4 hr
Jul 8, 2:18 PM EDTFlash Flood WarningBUFErie, Genesee, Wyoming6 hr
Jul 8, 4:36 PM EDTFlash Flood WarningBUFLivingston3 hr

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.