Alert archive / Vermont / Flash Flood Warnings in 2023
Flash Flood Warning 28, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jul 10, 2023, 7:20 AM EDT for 4 counties in Vermont. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 10, 2023, 7:20 AM EDT (11:20 UTC)
- Expired
- Jul 10, 2023, 1:15 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, Franklin County, VT, Lamoille County, VT
The radar
The Burlington radar (KCXX), 18 km from the middle of the area, began a volume at 11:21 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
Brookhaven, NY (KOKX), launched 00:00Z, 11.3 hours before the alert went out and 403 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
- 325 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Burlington, VT wrote its last area forecast discussion before this flash flood warning went out at Jul 10, 4:29 AM EDT, 2 hours 51 minutes earlier.
Area forecast discussion, Jul 10, 4:29 AM EDT, 2 hours 51 minutes before
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</html>Hazardous weather outlook, Jul 10, 3:12 AM EDT, 4 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Burlington VT 312 AM EDT Mon Jul 10 2023 NYZ026-029-087-110715- Northern St. Lawrence-Southeastern St. Lawrence- Southwestern St. Lawrence- 312 AM EDT Mon Jul 10 2023 This Hazardous Weather Outlook is for northern New York. .DAY ONE...Today and tonight. A few moderate to heavy showers and a few thunderstorms will be possible across St. Lawrence County. However, flooding is not expected at this time across St. Lawrence County. Still, locally heavy rain may lead to ponding on roads and poor drainage areas. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NYZ027-028-030-031-034-035-VTZ001>011-016>021-110715- Northern Franklin-Eastern Clinton-Southern Franklin-Western Clinton- Western Essex-Eastern Essex-Grand Isle-Western Franklin-Orleans- Essex-Western Chittenden-Lamoille-Caledonia-Washington- Western Addison-Orange-Western Rutland-Eastern Franklin- Eastern Chittenden-Eastern Addison-Eastern Rutland-Western Windsor- Eastern Windsor- 312 AM EDT Mon Jul 10 2023 ...FLOOD WATCH IN EFFECT THROUGH TUESDAY EVENING... This Hazardous Weather Outlook is for northern New York, central Vermont, northeast Vermont, northwest Vermont and southern Vermont. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Jul 10, 6:11 AM EDT, 1 hour 9 minutes before
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</html>Local storm report, Jul 10, 6:18 AM EDT, 1 hour 2 minutes before
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</html>Local storm report, Jul 10, 6:25 AM EDT, 55 minutes before
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</html>Local storm report, Jul 10, 6:35 AM EDT, 45 minutes before
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</html>Local storm report, Jul 10, 6:46 AM EDT, 34 minutes before
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</html>Local storm report, Jul 10, 6:57 AM EDT, 23 minutes before
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</html>The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 11:25 PM EDT | Flash Flood Warning | BTV | Caledonia, Essex, Orleans | 6 hr |
| Jul 10, 1:15 AM EDT | Flash Flood Warning | BTV | Addison, Orange, Rutland, Windsor | 15 hr |
| Jul 10, 2:24 AM EDT | Flash Flood Warning | BTV | Addison, Caledonia, Chittenden, Lamoille, Orange, Orleans and 2 more | 12 hr |
| Jul 10, 3:15 AM EDT | Areal Flood Warning | BTV | Addison, Rutland, Windsor | 3 hr |
| Jul 10, 4:19 AM EDT | Flash Flood Warning | BTV | Addison, Chittenden | 3 hr |
| Jul 10, 5:38 AM EDT | Flash Flood Warning | BTV | Caledonia, Essex, Franklin, Lamoille, Orleans | 9 hr |
| Jul 10, 6:15 AM EDT | River Flood Warning | BTV | Rutland | 68 hr |
| Jul 10, 7:03 AM EDT | Flash Flood Warning | BTV | Caledonia, Essex, Orange, Orleans, Washington, Windsor | 9 hr |
| Jul 10, 7:28 AM EDT | Flash Flood Warning | BTV | Orange, Windsor | 6 hr |
| Jul 10, 8:52 AM EDT | River Flood Warning | BTV | Lamoille | 41 hr |
| Jul 10, 9:13 AM EDT | River Flood Warning | BTV | Washington | 14 hr |
| Jul 10, 9:14 AM EDT | River Flood Warning | BTV | Washington | 42 hr |
| Jul 10, 11:26 AM EDT | River Flood Warning | BTV | Washington | 35 hr |
| Jul 10, 11:28 AM EDT | River Flood Warning | BTV | Chittenden | 58 hr |
| Jul 10, 11:37 AM EDT | River Flood Warning | BTV | Orleans | 33 hr |
| Jul 10, 12:10 PM EDT | River Flood Warning | BTV | Windsor | 15 hr |
| Jul 10, 2:25 PM EDT | Areal Flood Warning | BTV | Addison, Caledonia, Chittenden, Essex, Franklin, Lamoille and 4 more | 20 hr |
| Jul 10, 4:03 PM EDT | Areal Flood Warning | BTV | Addison, Orange, Rutland, Windsor | 6 hr |
| Jul 10, 4:42 PM EDT | River Flood Warning | BTV | Lamoille | 47 hr |
| Jul 10, 6:00 PM EDT | Flash Flood Warning | BTV | Addison, Orange, Washington | 3 hr |
| Jul 10, 6:30 PM EDT | River Flood Warning | BTV | Orleans | 21 days |
Nearby
Flash Flood Warnings in Vermont, 2023Every flash flood warning in 2023
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.