Alert archive / Vermont / Flash Flood Warnings in 2013

Flash Flood Warning 13, NWS Burlington, VT

June 29, 2013Caledonia County, Essex County, Orleans County, Vermont

NWS Burlington, VT issued this flash flood warning at Jun 29, 2013, 5:07 PM EDT for Caledonia County, Essex County, Orleans County, Vermont. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 29, 2013, 5:07 PM EDT (21:07 UTC)
Expired
Jun 29, 2013, 9:00 PM EDT
In force
4 hr
Issued by
NWS Burlington, VT
Area
Storm-based polygon
Flood severity
None

Counties Caledonia County, VT, Essex County, VT, Orleans County, VT

The radar

The Burlington radar (KCXX), 93 km from the middle of the area, began a volume at 21:11 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 12:00Z, 9.1 hours before the alert went out and 172 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 12:00Z on 2013-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2013-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897Sfc1 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
190 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
447 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

845 
WGUS51 KBTV 292107
FFWBTV
VTC005-009-019-300100-
/O.NEW.KBTV.FF.W.0013.130629T2107Z-130630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
507 PM EDT SAT JUN 29 2013

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN CALEDONIA COUNTY IN NORTHEAST VERMONT...
  EASTERN ORLEANS COUNTY IN NORTHEAST VERMONT...
  WEST CENTRAL ESSEX COUNTY IN NORTHERN VERMONT...

* UNTIL 900 PM EDT.

* AT 456 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING. DOPPLER RADAR 
  INDICATES THAT ONE TO TWO INCHES OF RAINFALL HAS FALLEN ALREADY 
  FROM PRIOR THUNDERSTORMS. ADDITIONAL THUNDERSTORMS WERE 
  DEVELOPING ACROSS NORTH-CENTRAL VERMONT AND WILL BRING ANOTHER 
  ONE TO TWO INCHES OF RAIN TO THE WARNED. SMALL CREEKS
  AND STREAMS WILL QUICKLY LEAVE THEIR BANKS. CULVERTS AND ROADSIDE
  DITCHES WILL BE OVERWHELMED BY WATER. ROAD WASHOUTS ARE POSSIBLE...
  ESPECIALLY ON BACK ROADS AND UNPAVED SURFACES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST 
  BROWNINGTON...WESTMORE...EAST CHARLESTON...SUTTON...

IF YOU ENCOUNTER FLOODING...SEEK HIGHER GROUND IMMEDIATELY. WHEN YOU
CAN DO SO SAFELY PLEASE REPORT ANY FLOODING TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1 800 8 6 3 4 2 7 9...OR BY SUBMITTING
A STORM REPORT AT WEATHER.GOV/BURLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY AWAY FROM FLOOD WATERS. MOVE TO HIGHER GROUND IF YOU ARE
THREATENED BY FLOODING OR ARE DIRECTED BY EMERGENCY OFFICIALS. DO NOT
DRIVE INTO AREAS WHERE THE WATER COVERS THE ROADWAY...THE ROAD MAY BE
WASHED AWAY BENEATH THE WATER SURFACE...AND IT ONLY TAKES A FEW
INCHES OF FLOWING WATER TO CARRY AWAY YOUR VEHICLE. MOST FLOOD DEATHS
OCCUR IN AUTOMOBILES...MAKE THE SMART CHOICE...TURN AROUND...DONT
DROWN.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING...
AND IMMEDIATE ACTION MUST BE TAKEN TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 4495 7213 4495 7185 4467 7187 4460 7202
      4458 7213 4464 7213 4477 7213

$$

LOCONTO
1 follow-up statement
566 
WGUS71 KBTV 292226
FFSBTV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
626 PM EDT SAT JUN 29 2013

VTC005-009-019-292237-
/O.CAN.KBTV.FF.W.0013.000000T0000Z-130630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALEDONIA VT-ORLEANS VT-ESSEX VT-
626 PM EDT SAT JUN 29 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN ORLEANS AND
NORTHEASTERN CALEDONIA COUNTIES IN NORTHEAST VERMONT...AND WEST
CENTRAL ESSEX COUNTY IN NORTHERN VERMONT...

WHILE THE FLASH FLOOD THREAT HAS ENDED...THE HAZARDS CREATED BY
FLOODING WILL REMAIN. STREAMS WILL CONTINUE TO RUN HIGH...AND
ROADS...BRIDGES AND CULVERTS MAY HAVE BEEN WASHED OUT. OBEY ALL ROAD
CLOSURE SIGNS...THEY ARE THERE FOR YOUR SAFETY...AND DO NOT DRIVE
THROUGH DAMAGED AREAS.

LAT...LON 4495 7213 4495 7185 4467 7187 4460 7202
      4458 7213 4464 7213 4477 7213

$$

LAHIFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 10:17 PM EDTSpecial Weather StatementBTVAddison, Lamoille58 min
Jun 28, 10:20 PM EDTSpecial Weather StatementBTVAddison, Lamoille55 min
Jun 29, 2:18 PM EDTSpecial Weather StatementBTVChittenden57 min
Jun 29, 2:34 PM EDTSpecial Weather StatementBTVEssex56 min
Jun 29, 3:18 PM EDTFlash Flood WarningBTVAddison, Chittenden, Lamoille, Washington4 hr
Jun 29, 3:47 PM EDTSpecial Weather StatementBTVOrleans73 min
Jun 29, 7:24 PM EDTSpecial Weather StatementBTVChittenden, Lamoille51 min

Nearby

Flash Flood Warnings in Vermont, 2013Every flash flood warning in 2013

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.