Alert archive / Vermont / Flash Flood Warnings in 2011
Flash Flood Warning 13, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at May 27, 2011, 4:07 AM EDT for 6 counties in Vermont. It was in force for 3 hr. 13 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
- May 27, 2011, 4:07 AM EDT (08:07 UTC)
- Expired
- May 27, 2011, 7:36 AM EDT
- In force
- 3 hr
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Caledonia County, VT, Essex County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Washington County, VT
The radar
The Burlington radar (KCXX), 98 km from the middle of the area, began a volume at 08:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 4:30 AM EDT | FLOOD | Northfield Falls, VT | ROUTE 12 CLOSED FROM NORTHFIELD FALLS TO MONTPELIER |
| May 27, 4:30 AM EDT | FLOOD | Passumpsic, VT | ROUTE 5 CLOSED |
| May 27, 4:30 AM EDT | FLOOD | Plainfield, VT | ROUTE 2 CLOSED EAST OF THE VILLAGE NEAR THE ONION RIVER |
| May 27, 4:30 AM EDT | FLOOD | St. Johnsbury, VT | ROUTE 2 CLOSED FROM ST JOHNSBURY TO LUNENBURG WITH AREAS UNDERWATER |
| May 27, 4:30 AM EDT | FLOOD | St. Johnsbury Center, VT | ROUTE 5 CLOSED FROM ST JOHNSBURY CENTER TO LYNDONVILLE |
| May 27, 4:30 AM EDT | FLOOD | Williamstown, VT | ROUTE 14 CLOSED |
| May 27, 4:30 AM EDT | FLASH FLOOD | 2 W Groton, VT | ROUTE 232 WEST OF GROTON IS CLOSED |
| May 27, 4:30 AM EDT | FLASH FLOOD | 8 Sw Groton, VT | ROUTE 302 AT ROUTE 25 |
| May 27, 4:30 AM EDT | FLASH FLOOD | Barre, VT | ROUTE 14 IN THE VICINITY OF GILLIES MARINE |
| May 27, 4:30 AM EDT | FLASH FLOOD | East Montpelier, VT | ROUTE 2 CLOSED |
| May 27, 4:30 AM EDT | FLASH FLOOD | Groton, VT | ROUTE 302 FROM ROUTE 232 TO POWDER SPRING ROAD CLOSED |
| May 27, 4:30 AM EDT | FLASH FLOOD | Middlesex, VT | ROUTE 2 CLOSED TO MONTPELIER |
| May 27, 4:30 AM EDT | FLASH FLOOD | South Barre, VT | ROUTE 14 CLOSED IN VICINITY OF HANNAFORDS TO ROUTE 63 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Gray, ME (KGYX), launched 00:00Z, 8.1 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
151
WGUS51 KBTV 270807
FFWBTV
VTC005-009-015-017-019-023-271200-
/O.NEW.KBTV.FF.W.0013.110527T0807Z-110527T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
407 AM EDT FRI MAY 27 2011
THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN ORANGE COUNTY IN CENTRAL VERMONT
WASHINGTON COUNTY IN CENTRAL VERMONT
CALEDONIA COUNTY IN NORTHEAST VERMONT
ESSEX COUNTY IN NORTHEAST VERMONT
ORLEANS COUNTY IN NORTHEAST VERMONT
EASTERN LAMOILLE COUNTY IN NORTHWEST VERMONT
* UNTIL 800 AM EDT
* AT 402 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED CONTINUED
FLASH FLOODING FROM MONTPELIER...TO BARRE...TO DANVILLE...TO ST.
JOHNSBURY. ROUTE 2 IN DANVILLE IS CLOSED. ADDITIONAL ROAD WASHOUTS
AND CLOSURES HAVE BEEN REPORTED ACROSS CENTRAL AND NORTHEASTERN
VERMONT. THIS IS A LIFE THREATENING SITUATION...USE EXTREME
CAUTION TRAVELING THIS MORNING. WASHOUTS ALONG SECONDARY ROUTES
MAY NOT YET BE MARKED BY LAW ENFORCEMENT SINCE THE FLASH FLOODING
HAS TAKEN PLACE AT NIGHT.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOLCOTT...
WESTMORE...WESTFIELD...WEST BURKE...VICTORY...STANNARD...
SHEFFIELD...ORLEANS...NORTON...NEWPORT CENTER...NEWPORT...
MORRISVILLE...MORGAN CENTER...MAIDSTONE...LYNDONVILLE...LOWELL...
ISLAND POND...HYDE PARK...GREENSBORO...GRANBY...GLOVER...EDEN...
EAST HAVEN...EAST CHARLESTON...DERBY LINE...DERBY CENTER...
CRAFTSBURY...COVENTRY...BARTON...ALBANY...EAST HARDWICK...EAST
ALBANY...WEST GLOVER...WEST CHARLESTON...TROY...SUTTON...MAIDSTONE
STATE PARK...HOLLAND...EAST BURKE AND BROWNINGTON CENTER
* RAIN IS MOVING OUT OF THE AREA...AND WATER LEVELS SHOULD BEGIN TO
RECEDE BY 8 AM. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL
REDEVELOP ACROSS CENTRAL AND NORTHEAST VERMONT DURING THE DAYLIGHT
HOURS AND ADDITIONAL FLASH FLOODING IS POSSIBLE LATER TODAY.
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...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 4502 7149 4499 7153 4495 7151 4475 7162
4458 7153 4456 7159 4453 7157 4449 7159
4440 7172 4439 7179 4435 7182 4432 7202
4428 7206 4414 7206 4408 7219 4400 7242
4407 7264 4424 7280 4458 7268 4501 7237
$$
BANACOS1 follow-up statement
738
WGUS71 KBTV 271136
FFSBTV
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
736 AM EDT FRI MAY 27 2011
VTC005-009-015-017-019-023-271139-
/O.CAN.KBTV.FF.W.0013.000000T0000Z-110527T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALEDONIA VT-LAMOILLE VT-ORANGE VT-ORLEANS VT-WASHINGTON VT-ESSEX VT-
736 AM EDT FRI MAY 27 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WASHINGTON AND
NORTHERN ORANGE COUNTIES IN CENTRAL VERMONT...AND ESSEX...ORLEANS AND
CALEDONIA COUNTIES IN NORTHEAST VERMONT...AND EASTERN LAMOILLE COUNTY
IN NORTHWEST VERMONT...
THE IMMEDIATE THREAT OF FLASH FLOODING HAS ENDED ACROSS CENTRAL AND
NORTHEAST VERMONT. HOWEVER...A FLASH FLOOD WATCH REMAINS IN EFFECT
THROUGH 4 AM SATURDAY...WITH ADDITIONAL SHOWERS AND THUNDERSTORMS
EXPECTED TODAY.
USE CAUTION IF TRAVELING ACROSS CENTRAL AND NORTHEAST VERMONT
TODAY...AS MANY REPORTS OF FLOODING AND ROAD WASHOUTS WERE RECEIVED
OVERNIGHT.
LAT...LON 4502 7149 4499 7153 4495 7151 4475 7162
4458 7153 4456 7159 4453 7157 4449 7159
4440 7172 4439 7179 4435 7182 4432 7202
4428 7206 4414 7206 4408 7219 4400 7242
4407 7264 4424 7280 4458 7268 4501 7237
$$
BANACOSThe office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:13 PM EDT | Tornado Warning | BTV | Caledonia, Essex, Orange, Washington | 47 min |
| May 26, 8:19 PM EDT | Flash Flood Warning | BTV | Addison, Chittenden | 3 hr |
| May 26, 8:23 PM EDT | Severe Thunderstorm Warning | BTV | Orange, Washington | 36 min |
| May 26, 8:29 PM EDT | Flash Flood Warning | BTV | Addison, Caledonia, Chittenden, Essex, Lamoille, Orange and 4 more | 3 hr |
| May 26, 8:44 PM EDT | Flash Flood Warning | BTV | Addison, Rutland | 6 hr |
| May 26, 9:03 PM EDT | Special Weather Statement | BTV | Caledonia | 42 min |
| May 26, 10:15 PM EDT | Special Weather Statement | BTV | Essex | 30 min |
| May 26, 10:28 PM EDT | Flash Flood Warning | BTV | Addison, Caledonia, Chittenden, Essex, Franklin, Grand Isle and 6 more | 6 hr |
| May 26, 11:59 PM EDT | River Flood Warning | BTV | Washington | 13 hr |
| May 26, 11:59 PM EDT | River Flood Warning | BTV | Chittenden | 39 hr |
| May 27, 12:16 AM EDT | Severe Thunderstorm Warning | BTV | Rutland, Windsor | 43 min |
| May 27, 1:01 AM EDT | River Flood Warning | BTV | Caledonia | 42 hr |
| May 27, 5:02 PM EDT | Severe Thunderstorm Warning | BTV | Addison | 58 min |
| May 27, 5:11 PM EDT | Severe Thunderstorm Warning | BTV | Orange, Rutland, Windsor | 64 min |
| May 27, 5:38 PM EDT | Special Weather Statement | BTV | Caledonia | 37 min |
| May 27, 5:47 PM EDT | Severe Thunderstorm Warning | BTV | Addison | 58 min |
| May 27, 6:32 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Essex | 28 min |
| May 27, 6:35 PM EDT | Flash Flood Warning | BTV | Addison, Chittenden, Lamoille, Washington | 4 hr |
| May 27, 6:35 PM EDT | Special Weather Statement | BTV | Washington | 25 min |
| May 27, 6:42 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Lamoille, Orange, Orleans, Washington | 63 min |
| May 27, 6:46 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Essex, Lamoille, Orleans, Washington | 59 min |
| May 27, 6:49 PM EDT | Special Weather Statement | BTV | Addison | 26 min |
| May 27, 6:52 PM EDT | Severe Thunderstorm Warning | BTV | Windsor | 40 min |
| May 27, 7:05 PM EDT | Flash Flood Warning | BTV | Caledonia, Essex, Franklin, Lamoille, Orange, Orleans and 1 more | 3 hr |
| May 27, 7:27 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Essex, Orange, Washington | 63 min |
| May 27, 7:30 PM EDT | Special Weather Statement | BTV | Addison | 30 min |
| May 27, 7:31 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Essex | 34 min |
Nearby
Flash Flood Warnings in Vermont, 2011Every flash flood warning in 2011
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; radar from the NEXRAD Level II archive.