Alert archive / Vermont / Flash Flood Warnings in 2023
Flash Flood Warning 43, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jul 18, 2023, 12:34 PM EDT for Windsor County, Vermont. It was in force for 2 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 18, 2023, 12:34 PM EDT (16:34 UTC)
- Expired
- Jul 18, 2023, 2:42 PM EDT
- In force
- 2 hr
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Flood severity
- None
County Windsor County, VT
The radar
The Burlington radar (KCXX), 113 km from the middle of the area, began a volume at 16:36 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 12:00Z, 4.6 hours before the alert went out and 303 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
- 403 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.9
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 18, 10:11 AM EDT, 2 hours 23 minutes earlier.
Area forecast discussion, Jul 18, 10:11 AM EDT, 2 hours 23 minutes before
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</html>Hazardous weather outlook, Jul 18, 6:59 AM EDT, 5 hours 35 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Burlington VT 659 AM EDT Tue Jul 18 2023 NYZ026-027-029-030-087-191100- Northern St. Lawrence-Northern Franklin-Southeastern St. Lawrence- Southern Franklin-Southwestern St. Lawrence- 659 AM EDT Tue Jul 18 2023 This Hazardous Weather Outlook is for northern New York. .DAY ONE...Today and tonight. Showers and thunderstorms are expected today and tonight. Some of these showers and thunderstorms may produce heavy rainfall. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Heavy rainfall associated with showers and thunderstorms will once again be possible Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NYZ028-031-034-035-VTZ001>011-016>021-191100- Eastern Clinton-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- 659 AM EDT Tue Jul 18 2023 ...FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT... 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...Wednesday through Monday. Heavy rainfall associated with showers and thunderstorms will once again be possible Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. Manning
In the hours before
Special weather statement, Jul 18, 12:20 PM EDT, 14 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 18, 12:53 PM EDT | Special Weather Statement | BTV | Orange | 37 min |
| Jul 18, 2:03 PM EDT | Special Weather Statement | BTV | Chittenden | 27 min |
| Jul 18, 2:42 PM EDT | Special Weather Statement | BTV | Chittenden | 33 min |
| Jul 18, 3:07 PM EDT | Special Weather Statement | BTV | Chittenden | 68 min |
| Jul 18, 4:27 PM EDT | Special Weather Statement | BTV | Orleans | 33 min |
| Jul 18, 4:51 PM EDT | Special Weather Statement | BTV | Orleans | 54 min |
| Jul 18, 5:02 PM EDT | Special Weather Statement | BTV | Windsor | 58 min |
| Jul 18, 5:07 PM EDT | Flash Flood Warning | BTV | Rutland, Windsor | 3 hr |
| Jul 18, 5:32 PM EDT | Severe Thunderstorm Warning | BTV | Orange, Rutland, Washington, Windsor | 58 min |
| Jul 18, 1:25 AM EDT | Special Weather Statement | BTV | St. Lawrence | 65 min |
| Jul 18, 2:44 AM EDT | Special Weather Statement | BTV | Franklin | 61 min |
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.