Alert archive / Vermont / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Burlington, VT

May 10, 2000Caledonia County, Orange County, Orleans County, Vermont

NWS Burlington, VT issued this flash flood warning at May 10, 2000, 9:31 PM EDT for Caledonia County, Orange County, Orleans County, Vermont. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2000, 9:31 PM EDT (01:31 UTC)
Expired
May 10, 2000, 11:30 PM EDT
In force
119 min
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Caledonia County, VT, Orange County, VT, Orleans County, VT

The radar

The Burlington radar (KCXX), 74 km from the middle of the area, began a volume at 01:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 1.5 hours before the alert went out and 169 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 2000-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2000-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
483 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
293 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 
WGUS51 KBTV 110133
FFWBTV
VTC005-017-019-110330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
931 PM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ORLEANS COUNTY IN NORTH CENTRAL VERMONT
  CALEDONIA COUNTY IN NORTHEASTERN VERMONT
  ORANGE COUNTY IN EAST CENTRAL VERMONT

* UNTIL 1130 PM EDT

* AT 925 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN FROM ORANGE COUNTY NORTHWARD
  THROUGH CALEDONIA AND ORLEANS COUNTIES...MOVING NORTHEAST AT AROUND
  30 MPH.

* COMMUNITIES IN ORLEANS...ORANGE AND CALEDONIA COUNTIES SHOULD
  EXPERIENCE FLASH FLOODING OVER THE NEXT SEVERAL HOURS.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT ABOUT AN INCH
OF RAIN HAD FALLEN ACROSS ORLEANS...ORANGE AND CALEDONIA COUNTIES IN
VERMONT OVER THE LAST HOUR.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

MURRAY

Nearby

Flash Flood Warnings in Vermont, 2000Every flash flood warning in 2000

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; radar from the NEXRAD Level II archive.