Alert archive / New York / Flash Flood Warnings in 1999

Flash Flood Warning 3, NWS Burlington, VT

January 24, 1999Clinton County, Essex County, New York

NWS Burlington, VT issued this flash flood warning at Jan 24, 1999, 10:50 AM EST for Clinton County, Essex County, New York. It was in force for 8 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
Jan 24, 1999, 10:50 AM EST (15:50 UTC)
Expired
Jan 24, 1999, 6:50 PM EST
In force
8 hr
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Clinton County, NY, Essex County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 3.8 hours before the alert went out and 194 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 1999-01-24Temperature 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 12:00Z on 1999-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897117Sfc1 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
448 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Burlington, VT wrote its last area forecast discussion before this flash flood warning went out at Jan 24, 10:00 AM EST, 50 minutes earlier.

Area forecast discussion, Jan 24, 10:00 AM EST, 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
1000 AM EST SUN JAN 24 1999

ENHANCED CONVECTION ON RADAR IDENTIFIES FRONT WELL. POSITION ALONG A
LINE FROM EFK TO RUT. FRONT SHOULD CLEAR BY 17Z. REPORTS OF
STREET/FIELD FLOODING...BUT NO RIVER FLOODING YET. COLDER AIR WILL
SLOW RUNOFF REMAINDER OF TODAY...BUT MANY AREAS HAVE LOST ALL/MOST
OF THEIR SNOWPACK AND RIVERS ARE RESPONDING AND BEING MONITORED
CLOSELY. STEADY RAIN CUTTING OFF SHARPLY WITH FRONTAL PASSAGE AND
TEMPERATURES FALLING BACK INTO THE 40S. JUST A FEW SHOWERS BACK
ACROSS NORTHWEST VERMONT AND NORTHERN NEW YORK.

FFW JUST ISSUED.

DIGIORGI

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 24, 9:50 AM ESTFlash Flood WarningBTVAddison, Chittenden, Washington9 hr
Jan 24, 9:50 AM ESTFlash Flood WarningBTVRutland9 hr
Jan 24, 11:24 AM ESTFlash Flood WarningBTVFranklin, Lamoille, Orleans7 hr
Jan 24, 12:47 PM ESTFlash Flood WarningBTVOrange, Windsor6 hr
Jan 24, 5:53 PM ESTFlash Flood WarningBTVClinton, Essex5 hr

Nearby

Flash Flood Warnings in New York, 1999Every flash flood warning in 1999

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.