Alert archive / New York / Flash Flood Warnings in 1990

Flash Flood Warning 7, NWS Binghamton, NY

October 23, 19905 counties in New York

NWS Binghamton, NY issued this flash flood warning at Oct 23, 1990, 11:02 PM EDT for 5 counties in New York. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 1990, 11:02 PM EDT (03:02 UTC)
Expired
Oct 24, 1990, 2:00 AM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Whole counties

Counties Broome County, NY, Chemung County, NY, Cortland County, NY, 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

Albany, NY (KALB), launched 00:00Z, 3.0 hours before the alert went out and 206 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, Albany, NY at 00:00Z on 1990-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Albany, NY at 00:00Z on 1990-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
347 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 240307
FFWBGM
NYC007-015-017-097-107-109-023-240600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
1102 PM EDT TUE OCT 23 1990
 
THE NATIONAL WEATHER SERVICE IN BINGHAMTON NY HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  200 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NEW YORK
 
   ...BROOME COUNTY...CHEMUNG COUNTY...CHENANGO COUNTY...SCHUYLER COUN
   ...TIOGA COUNTY...TOMPKINS COUNTY...CORTLAND COUNTY...
 
AT 1045 PM MOST OF THE RAIN ACROSS THE CENTRAL SOUTHERN TIER COUNTIES
HAD TAPERED OFF TO LIGHT RAIN...BUT STREAMS REMAIN HIGH...AND SOME
SECONDARY ROADS REMAIN FLOODED. ACROSS TIOGA...BROOME...AND CHENANGO
COUNTIES...THE RAIN IS STILL ON THE HEAVY SIDE AT TIMES...AND LOWLAND
FLOODING HAS OCCURRED...ALONG WITH SOME FLOODED BASEMENTS. IN
ADDITION...SEVERAL ROADS WERE FLOODED IN CHENANGO COUNTY. THE RAIN
SHOULD TAPER OFF ACROSS THE REGION LATER TONIGHT...BUT TRAVEL ACROSS
THE REGION WILL REMAIN DANGEROUS.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER G@ROUND.

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, Oct 23, 8:35 PM EDT, 2 hours 27 minutes before
NYZ004-005-240400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SYRACUSE NY
830 PM EDT TUE OCT 23 1990

...FLASH FLOOD WATCHES IN EFFECT FOR CAYUGA...ONONDAGA...AND
OSWEGO COUNTIES IN CENTRAL NEW YORK...

PERSISTENT RAINS CONTINUE ACROSS CENTRAL NEW YORK TONIGHT...SOME OF
WHICH ARE LOCALLY HEAVY.  AS OF 800 PM OVER ONE INCH OF RAIN HAS FALLEN
AT HANCOCK INTL AIRPORT IN NORTH SYRACUSE(1.09).  THIS RAIN HAS SATURATED
THE GROUND AND ADDITIONAL RAINS MAY CAUSE LOWLAND AND POOR DRAINAGE FLOODING.
SOME BASEMENT FLOODING IN THE VILLAGE OF PHONEIX IN OSWEGO COUNTY HAS
ALREADY BEEN REPORTED.  ADDITINAL HEAVY RAINS MAY CAUSE SOME SMALL STREAMS
TO REACH OR EXCEED BANKFUL.

THE WATCH MEANS A FLOOD THREAT EXISTS IN THE INDICATED AREA.  CHECK
PREPAREDNESS REQUIREMENTS.  KEEP INFORMED AND BE READY FOR QUICK ACTION IF
FLOODING IS OBSERVED OR A WARNING IS ISSUED.
ELARDO
ELARDO

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 11:02 PM EDTFlash Flood WarningBGMChenango3 hr
Oct 23, 11:02 PM EDTFlash Flood WarningBGMSchuyler3 hr
Oct 24, 2:13 AM EDTFlash Flood WarningBGMBroome, Chenango, Cortland, Tioga6 hr
Oct 24, 2:13 AM EDTFlash Flood WarningBGMSchuyler6 hr

Nearby

Flash Flood Warnings in New York, 1990Every flash flood warning in 1990

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.