Alert archive / Vermont / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Burlington, VT

July 4, 20135 counties in Vermont

NWS Burlington, VT issued this flash flood warning at Jul 4, 2013, 4:19 PM EDT for 5 counties in Vermont. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 4, 2013, 4:19 PM EDT (20:19 UTC)
Expired
Jul 4, 2013, 10:15 PM EDT
In force
6 hr
Issued by
NWS Burlington, VT
Area
Storm-based polygon
Flood severity
None

Counties Addison County, VT, Chittenden County, VT, Lamoille County, VT, Orange County, VT, Washington County, VT

What was reported inside it

TimeReportWhereRemark
Jul 4, 4:33 PM EDTFLASH FLOOD2 Ssw Richmond, VTHUNTINGTON ROAD WASHED OUT
Jul 4, 6:15 PM EDTFLASH FLOODWaterbury, VTVT STATE POLICE REPORTS SEVERAL ROADS IN WATERBURY HAVE WATER COVERING THEM...INCLUDING BLUSHVILLE ROAD...STOWE ROAD...AND HUBBARD ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.3 hours before the alert went out and 187 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 2013-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 287 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, Albany, NY at 12:00Z on 2013-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
287 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

606 
WGUS51 KBTV 042019
FFWBTV
VTC001-007-015-017-023-050215-
/O.NEW.KBTV.FF.W.0021.130704T2019Z-130705T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
419 PM EDT THU JUL 4 2013

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL LAMOILLE COUNTY IN NORTHWEST VERMONT...
  WEST CENTRAL ORANGE COUNTY IN CENTRAL VERMONT...
  WESTERN WASHINGTON COUNTY IN CENTRAL VERMONT...
  SOUTHEASTERN CHITTENDEN COUNTY IN NORTHWEST VERMONT...
  NORTHEASTERN ADDISON COUNTY IN CENTRAL VERMONT...

* UNTIL 1015 PM EDT.

* AT 406 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING. THUNDERSTORMS 
  PRODUCING HEAVY DOWNPOURS WERE MOVING OVER SOUTHERN CHITTENDEN 
  COUNTY...AND ADDITIONAL THUNDERSTORMS WERE EXPECTED TO MOVE INTO 
  ADDISON COUNTY. SEVERAL LOCATIONS IN THE WARNED AREA HAVE ALREADY 
  EXPERIENCED FLASH FLOODING YESTERDAY. ADDITIONAL RAINFALL WILL 
  LIKELY TRIGGER RENEWED FLASH FLOODING. 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...
  IRASVILLE...HINESBURG...HUNTINGTON...EAST WARREN...SOUTH 
  LINCOLN...NORTHFIELD...MORETOWN.  

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 4443 7267 4414 7261 4404 7257 4402 7263
      4395 7282 4401 7313 4418 7317 4436 7316
      4438 7305 4441 7284

$$

LOCONTO
2 follow-up statements
973 
WGUS71 KBTV 042207
FFSBTV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
607 PM EDT THU JUL 4 2013

VTC001-007-015-017-023-050215-
/O.CON.KBTV.FF.W.0021.000000T0000Z-130705T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAMOILLE VT-ORANGE VT-WASHINGTON VT-CHITTENDEN VT-ADDISON VT-
607 PM EDT THU JUL 4 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR
NORTHEASTERN ADDISON...SOUTHEASTERN CHITTENDEN...WESTERN
WASHINGTON...WEST CENTRAL ORANGE AND SOUTH CENTRAL LAMOILLE
COUNTIES...

AT 602 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING. STRONG 
THUNDERSTORMS WERE PRODUCING LOCALLY HEAVY DOWNPOURS IN EASTERN 
ADDISON AND SOUTHERN WASHINGTON COUNTIES. RENEWED FLASH FLOODING 
REMAINS POSSIBLE...ESPECIALLY IN AREAS THAT EXPERIENCED FLASH 
FLOODING YESTERDAY IN PORTIONS OF SOUTHERN CHITTENDEN AND SOUTHERN 
WASHINGTON COUNTIES. 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...
HUNTINGTON...HINESBURG...SOUTH LINCOLN...WATERBURY...WEST 
BROOKFIELD...NORTHFIELD...MORETOWN.

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 4443 7267 4414 7261 4404 7257 4402 7263
      4395 7282 4401 7313 4418 7317 4436 7316
      4438 7305 4441 7284

$$

LOCONTO
821 
WGUS71 KBTV 042357
FFSBTV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
757 PM EDT THU JUL 4 2013

VTC001-007-015-017-023-050005-
/O.CAN.KBTV.FF.W.0021.000000T0000Z-130705T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAMOILLE VT-ORANGE VT-WASHINGTON VT-CHITTENDEN VT-ADDISON VT-
757 PM EDT THU JUL 4 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
ADDISON...SOUTHEASTERN CHITTENDEN...WESTERN WASHINGTON...WEST CENTRAL
ORANGE AND SOUTH CENTRAL LAMOILLE COUNTIES...

HEAVY RAINFALL AND THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING 
HAVE EXITED THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING 
WILL BE ALLOWED TO EXPIRE.

WHILE THE FLASH FLOOD THREAT HAS ENDED...THE HAZARDS CREATED BY
FLOODING WILL REMAIN. SEVERAL ROADS HAVE BEEN CLOSED OR WASHED OUT 
DUE TO FLASH FLOODING...ESPECIALLY IN THE WATERBURY AREA. STREAMS 
WILL CONTINUE TO RUN HIGH...AND 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 4443 7267 4414 7261 4404 7257 4402 7263
      4395 7282 4401 7313 4418 7317 4436 7316
      4438 7305 4441 7284

$$

LOCONTO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:44 PM EDTSpecial Weather StatementBTVAddison, Orange61 min
Jul 3, 9:21 PM EDTFlash Flood WarningBTVAddison, Washington4 hr
Jul 3, 10:32 PM EDTSpecial Weather StatementBTVOrange58 min
Jul 3, 10:50 PM EDTFlash Flood WarningBTVAddison, Orange, Washington4 hr
Jul 4, 3:25 AM EDTAreal Flood WarningBTVWashington4 hr
Jul 4, 12:31 PM EDTSpecial Weather StatementBTVGrand Isle59 min
Jul 4, 1:53 PM EDTSpecial Weather StatementBTVAddison52 min
Jul 4, 2:03 PM EDTSpecial Weather StatementBTVChittenden, Franklin, Grand Isle57 min
Jul 4, 2:21 PM EDTSpecial Weather StatementBTVCaledonia, Essex, Lamoille, Orleans84 min
Jul 4, 2:50 PM EDTSpecial Weather StatementBTVWashington55 min
Jul 4, 3:03 PM EDTFlash Flood WarningBTVChittenden, Franklin, Lamoille, Washington6 hr
Jul 4, 3:35 PM EDTSevere Thunderstorm WarningBTVCaledonia, Chittenden, Lamoille, Orleans, Washington55 min
Jul 4, 5:10 PM EDTFlash Flood WarningBTVCaledonia, Lamoille, Orange, Orleans, Washington5 hr
Jul 4, 5:43 PM EDTSpecial Weather StatementBTVOrange, Washington62 min
Jul 4, 7:24 PM EDTSpecial Weather StatementBTVWindsor66 min
Jul 4, 7:36 PM EDTSpecial Weather StatementBTVWindsor54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.