Alert archive / Vermont / Flash Flood Warnings in 2005
Flash Flood Warning 13, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jun 29, 2005, 2:20 PM EDT for Chittenden County, Vermont. It was in force for 85 min. 1 report 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
- Jun 29, 2005, 2:20 PM EDT (18:20 UTC)
- Expired
- Jun 29, 2005, 3:45 PM EDT
- In force
- 85 min
- Issued by
- NWS Burlington, VT
- Area
- Counties, with a storm outline in the text
County Chittenden County, VT
The radar
The Burlington radar (KCXX), 13 km from the middle of the area, began a volume at 18:24 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 |
|---|---|---|---|
| Jun 29, 2:40 PM EDT | FLASH FLOOD | Williston, VT | SEVERAL ROADS CLOSED DUE TO WASHOUTS |
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, 6.3 hours before the alert went out and 201 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
- 1143 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KBTV 291821 FFWBTV VTC007-291945- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 220 PM EDT WED JUN 29 2005 THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A * FLASH FLOOD WARNING FOR... CHITTENDEN COUNTY IN NORTHWEST VERMONT * UNTIL 345 PM EDT * AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER ESSEX. * LOCATIONS IN THE WARNING INCLUDE ESSEX JUNCTION...ESSEX CENTER...AND WILLISTON. ADDITIONAL RAINFALL AMOUNTS OF AN INCH IN LESS THAN AN HOUR ARE POSSIBLE. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. LAT...LON 4433 7319 4430 7292 4454 7286 4457 7321 $$ HANSON
2 follow-up statements
000 WGUS71 KBTV 291904 FFSBTV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 302 PM EDT WED JUN 29 2005 VTC007-291945- CHITTENDEN VT- 302 PM EDT WED JUN 29 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 345 PM EDT FOR CENTRAL CHITTENDEN COUNTY... AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA. RADAR ESTIMATES OF 1.5 TO 2 INCHES OF RAIN HAVE FALLEN IN THE PAST HOUR...AND AN ADDITIONAL HALF INCH IS POSSIBLE THROUGH 330 PM EDT. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ESSEX JUNCTION...ESSEX CENTER...AND WILLISTON. ROAD CLOSURES HAVE BEEN REPORTED DUE TO HIGH WATER. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. LAT...LON 4439 7314 4439 7299 4449 7297 4450 7314 $$ HANSON
000 WGUS71 KBTV 291943 FFSBTV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 341 PM EDT WED JUN 29 2005 VTC007-291951- CHITTENDEN VT- 341 PM EDT WED JUN 29 2005 ...THE FLASH FLOOD WARNING FOR CENTRAL CHITTENDEN COUNTY EXPIRES AT 345 PM EDT... THE STORM THAT PRODUCED HEAVY RAINFALL IN ESSEX AND WILLISTON HAS WEAKENED...AND ADDITIONAL FLOODING IS NOT EXPECTED. MOTORISTS ON THE EVENING COMMUTE SHOULD BE CAREFUL DRIVING THROUGH ESSEX AND WILLISTON...AND OBEY ALL ROAD CLOSURE SIGNS. ALTHOUGH FLOOD WATERS HAVE RECEDED...THE ROAD UNDERNEATH MAY HAVE BEEN DAMAGED. LAT...LON 4433 7319 4430 7292 4454 7286 4457 7321 $$ HANSON
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:20 PM EDT | Severe Thunderstorm Warning | BTV | Grand Isle | 39 min |
| Jun 29, 2:50 PM EDT | Severe Thunderstorm Warning | BTV | Chittenden | 27 min |
| Jun 29, 5:13 PM EDT | Flash Flood Warning | BTV | Lamoille | 2 hr |
Nearby
Flash Flood Warnings in Vermont, 2005Every flash flood warning in 2005
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.