Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 28, NWS Binghamton, NY

July 8, 1998Delaware County, New York

NWS Binghamton, NY issued this flash flood warning at Jul 8, 1998, 1:54 PM EDT for Delaware 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, 1:54 PM EDT (17:54 UTC)
Expired
Jul 8, 1998, 4:55 PM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Whole counties

County Delaware County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.9 hours before the alert went out and 108 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 12:00Z on 1998-07-08Temperature 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 12:00Z on 1998-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
475 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
31 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 081809 COR
FFWBGM
NYC025-082055-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION
NATIONAL WEATHER SERVICE BINGHAMTON NY
154 PM EDT WED JUL 8 1998

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DELAWARE COUNTY IN CENTRAL NEW YORK

* UNTIL 455 PM EDT

* AT 150 PM EDT... AREA LAW ENFORCEMENT INDICATED A THUNDERSTORM WITH
  VERY HEAVY RAIN NORTHERN DELAWARE COUNTY... MOVING SLOWLY EAST.

* SMALL STREAMS AND CREEKS ARE ON THE VERGE OF OVERFLOWING THEIR
  BANKS IN NORTHERN DELAWARE COUNTY. SEVERAL ROADS ARE FLOODED
  SUCH AS COUNTY RTE 14 NEAR TREADWELL AND FRANKLIN
  AND ROUTE 28 NEAR MARIDALE. MOVE TO HIGHER GROUND IF FLOOD WATERS
  THREATEN.

JFC

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.

NWS Binghamton, NY wrote its last area forecast discussion before this flash flood warning went out at Jul 8, 1:50 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 8, 1:50 PM EDT, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
150 PM EDT WED JUL 8 1998

BGM 88D RADAR STILL DOWN WITH MODERATE TO HEAVY RAIN FALLING ACROSS
EASTERN ZONES OF CWA. DIKE BREAK IN TIOGA COUNTY HAS ADDED ADDITIONAL
WATER TO ALREADY SATURATED SOIL CONDITIONS.

17Z STREAMLINE ANAL SHOWS SFC LOW CONTINUING TO MOVE TO THE SOUTHEAST
TOWARD THE DELMARVA PENN WITH TROF CURRENTLY OVER WESTERN NY NORTH OF
THE LOW GRADUALLY MOVING EAST ACROSS THE BGM CWA. BACK EDGE OF CLOUDS ON
1730Z VIS SAT IMAGERY NOW OVER LAKE HURON WITH A FEW BREAKS OVER WESTERN
NY.

BOTH ETA/NGM SIMILIAR IN DRYING OUT ATMOS OVERNIGHT AS 1017 HIGH MOVING
INTO THE GREAT LAKES REGION BUILDS INTO AREA. I HAVE ADDED EVENING
PERIOD TO ALL ZONES TO ACCOUNT FOR THE LAST OF SHRA LEAVING CWA. FOR
BUF ZONES I HAVE GONE 50 POP BUT I HAVE GONE CATEGORICAL POP FOR ALB
ZONES FOR THIS EVENING.

FORECAST FOR THU LOOKS GOOD...BUT A FEW LIGHT -SHRA ARE POSSIBLE DURING
THE PM WITH UPPER COLD CLOSED LOW LOCATED OVER SOUTHERN QUEBEC AND
STRONG CYCLONIC FLOW OVER NY. HAVE GONE ABOVE MOS WITH A 30 POP FOR
-SHRA FOR THU PM.

MOS TEMPS LOOK OK.

.BGM...NONE.

KUHL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 9:27 AM EDTFlash Flood WarningBGMSteuben3 hr
Jul 8, 1:11 PM EDTFlash Flood WarningBGMTioga3 hr
Jul 8, 1:38 PM EDTFlash Flood WarningBGMTompkins3 hr
Jul 8, 1:43 PM EDTFlash Flood WarningBGMBroome, Chenango3 hr
Jul 8, 4:56 PM EDTFlash Flood WarningBGMSteuben4 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.