Alert archive / New York / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Binghamton, NY

May 10, 1989Tioga County, Tompkins County, New York

NWS Binghamton, NY issued this flash flood warning at May 10, 1989, 10:30 PM EDT for Tioga County, Tompkins County, New York. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 10, 1989, 10:30 PM EDT (02:30 UTC)
Expired: May 11, 1989, 4:30 AM EDT
In force: 6 hr
Issued by: NWS Binghamton, NY
Area: Whole counties

Counties Tioga County, NY, Tompkins County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.5 hours before the alert went out and 201 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 663 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -52 m²/s²
0-3 km storm-relative helicity: 54 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 KBGM 110235 RRA
FFWBGM
NYC107-111000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
1030 PM EDT WED MAY 10 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR SMALL
STREAMS FOR PERSONS IN THE FOLLOWING COUNTIES OF
NEW YORK...
            ...TIOGA

HEAVY RAINS THIS EVENING WILL CAUSE FLOODING OF SMALL STREAMS IN THE
AFFECTED AREA DURING THE NIGHT. RADAR RAINFALL ESTIMATES INDICATE THAT
NEARLY TWO INCHES OF RAIN HAS ALREADY FALLEN IN TIOGA COUNTY THIS
EVENING. RAINFALL MAY EXCEED ANOTHER INCH BEFORE TAPERING OFF LATER
TONIGHT.

A FLOOD WARNING MEANS THAT FLOODING IS ALREADY OCCURRING OR IMMINENT.

IF YOU LIVE OR WORK ALONG SMALL STREAMS IN THE AFFECTED COUNTIES
...TAKE THE NECESSARY PRECAUTIONS...NOW.  TRAVELERS SHOULD AVOID
LOW LYING AREAS ALONG STREAMS AND SEEK ALTERNATE ROUTES.

LETRO

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 10, 10:04 PM EDT, 26 minutes before

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BINGHAMTON NY
1005 PM   EDT  WED  MAY  10 1989

HEAVY RAIN WAS FALLING...MAINLY OVER TOMPKINS COUNTY...BETWEEN
DRYDEN...DANBY AND RICHFORD.

URBAN AND POOR DRAINAGE FLOODING IS LIKELY IN THIS AREA OF HEAVY RAIN.

AT 930 PM EDT...RADAR SHOWED THIS AS THE MAIN FEATURE OF A LARGE AREA
OF RAIN...MOSTLY LIGHT...THAT COVERED MOST OF CENTRAL NEW YORK AND THE
NORTHEAST QUARTER OF PENNSYLVANIA.

HEAVIER RAIN PATCHES WERE ON THE INCREASE DURING THE LAST HOUR AND RANGED
ACROSS MUCH OF TOMPKINS...AND PARTS OF CHENANGO AND OTSEGO COUNTIES.

THE AREA WAS NEARLY STATIONARY WHILE INDIVIDUAL ELEMENTS WERE MOVING
NORTH AT 25 MPH.

A FL~OOD WATCH FOR SMALL STREAMS REMAINS IN EFFECT TONIGHT FOR THE
CENTRAL SOUTHERN TIER...SUSQUEHANNA AND CATSKILL REGIONS OF NEW YORK.

ENDRES

Nearby

Flash Flood Warnings in New York, 1989 Every flash flood warning in 1989

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.