Alert archive / Vermont / Flash Flood Warnings in 1994

Flash Flood Warning 4, NWS Burlington, VT

April 17, 1994Chittenden County, Franklin County, Lamoille County, Vermont

NWS Burlington, VT issued this flash flood warning at Apr 17, 1994, 6:01 AM EDT for Chittenden County, Franklin County, Lamoille County, Vermont. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 1994, 6:01 AM EDT (10:01 UTC)
Expired
Apr 17, 1994, 2:00 PM EDT
In force
8 hr
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Chittenden County, VT, Franklin County, VT, Lamoille County, VT

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 10.0 hours before the alert went out and 225 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, Gray, ME at 00:00Z on 1994-04-17Temperature 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, Gray, ME at 00:00Z on 1994-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -174 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
941 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-174 m²/s²
0-3 km storm-relative helicity
-32 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 KBTV 171004
FFWBTV
VTC015-019-007-011-171800-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
601 AM EDT SUN APR 17 1994
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  200 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL VERMONT
 
   ...LAMOILLE COUNTY...ORLEANS COUNTY
 
IN NORTHWEST VERMONT
 
   ...CHITTENDEN COUNTY...FRANKLIN COUNTY
 
THE FLOOD WARNING HAS BEEN EXTENDED UNTIL 2 PM. FLOOD WATERS WILL
GRADUALLY RECEDE BY THIS AFTERNOON.
 
IN CHITTENDEN COUNTY...THE WINOOSKI RIVER CONTINUES TO KEEP NORTH
WILLSITON ROAD CLOSED AND THE BROWNS RIVER STILL HAS CLOSED PART OF
ROUTE 128.
 
IN FRANKLIN COUNTY...THE MISSISQUOI RIVER AT EAST BERSHIRE WAS WELL OVER
FLOOD STAGE AT 6 AM.
 
IN ORLEANS COUNTY...DERBY STATE POLICE REPORT PARTS OF ROUTE 5 AND 111
HAD WATER OVER THE ROADS.  THE BLACK RIVER WAS STILL 2 AND 1/2 FEET
OVER FLOOD STAGE.
 
IN LAMOILLE COUNTY...ROUTE 15 AT CAMBRIDGE AS CLOSED LATE LAST NIGHT AND
VERY EARLY THIS MORNING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. PAY CLOSE ATTENTION TO ROAD SIGNS AND BARRIERS LOCAL OFFICIALS
HAVE PROVIDED FOR YOUR SAFETY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 3:56 AM EDTFlash Flood WarningBTVRutland10 hr
Apr 17, 4:45 AM EDTFlash Flood WarningBTVCaledonia9 hr
Apr 17, 6:01 AM EDTFlash Flood WarningBTVOrleans8 hr

Nearby

Flash Flood Warnings in Vermont, 1994Every flash flood warning in 1994

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.