Alert archive / Vermont / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 16, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jul 9, 2023, 3:46 PM EDT for 4 counties in Vermont. It was in force for 44 min. 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 9, 2023, 3:46 PM EDT (19:46 UTC)
- Expired
- Jul 9, 2023, 4:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Addison County, VT, Orange County, VT, Washington County, VT, Windsor County, VT
The radar
The Burlington radar (KCXX), 71 km from the middle of the area, began a volume at 19:45 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
Gray, ME (KGYX), launched 12:00Z, 7.8 hours before the alert went out and 194 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
- 209 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 9, 2:15 PM EDT, 1 hour 31 minutes earlier.
Area forecast discussion, Jul 9, 2:15 PM EDT, 1 hour 31 minutes before
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</html>Hazardous weather outlook, Jul 9, 3:27 AM EDT, 12 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Burlington VT 327 AM EDT Sun Jul 9 2023 NYZ026-029-087-100730- Northern St. Lawrence-Southeastern St. Lawrence- Southwestern St. Lawrence- 327 AM EDT Sun Jul 9 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. .DAYS TWO THROUGH SEVEN...Monday through Saturday. 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>021-100730- 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- 327 AM EDT Sun Jul 9 2023 ...FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY 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. Scattered showers and thunderstorms are likely to develop this afternoon. These storms could produce heavy rainfall, frequent lightning, and gusty winds. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jul 9, 2:08 PM EDT, 1 hour 38 minutes before
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</html>Special weather statement, Jul 9, 3:40 PM EDT, 6 minutes before
Special Weather Statement
National Weather Service Burlington VT
340 PM EDT Sun Jul 9 2023
VTZ003-006>008-092030-
Caledonia VT-Washington VT-Orleans VT-Lamoille VT-
340 PM EDT Sun Jul 9 2023
...A strong thunderstorm will impact portions of southeastern
Lamoille, west central Caledonia, southern Orleans and northeastern
Washington Counties through 430 PM EDT...
At 339 PM EDT, Doppler radar was tracking a strong thunderstorm near
Woodbury, moving north at 15 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Morrisville, Calais, Morrisville Village, Woodbury, Hardwick,
Wolcott, Greensboro Bend, Worcester, Hyde Park Village, Elmore,
Greensboro, Hyde Park, Stannard, Morristown, Walden, Cabot,
Marshfield, Wheelock, Garfield, and East Greensboro.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4434 7240 4436 7258 4461 7262 4458 7220
TIME...MOT...LOC 1939Z 187DEG 14KT 4442 7247
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
ClayThe office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 8:32 PM EDT | Special Weather Statement | BTV | Caledonia, Essex | 58 min |
| Jul 9, 2:08 PM EDT | Special Weather Statement | BTV | Chittenden | 52 min |
| Jul 9, 2:23 PM EDT | Severe Thunderstorm Warning | BTV | Chittenden, Franklin, Grand Isle, Lamoille | 52 min |
| Jul 9, 3:11 PM EDT | Special Weather Statement | BTV | Franklin | 49 min |
| Jul 9, 3:13 PM EDT | Flash Flood Warning | BTV | Essex | 3 hr |
| Jul 9, 3:40 PM EDT | Special Weather Statement | BTV | Lamoille | 50 min |
| Jul 9, 4:17 PM EDT | Flash Flood Warning | BTV | Caledonia, Lamoille, Washington | 3 hr |
| Jul 9, 4:23 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Lamoille, Orange, Washington | 37 min |
| Jul 9, 5:00 PM EDT | Special Weather Statement | BTV | Caledonia | 45 min |
| Jul 9, 5:08 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Rutland, Windsor | 67 min |
| Jul 9, 6:16 PM EDT | Areal Flood Warning | BTV | Caledonia, Essex | 3 hr |
| Jul 9, 4:33 PM EDT | Special Weather Statement | BTV | Clinton | 57 min |
| Jul 9, 4:42 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Franklin | 48 min |
| Jul 9, 5:24 PM EDT | Flash Flood Warning | BTV | Clinton, Franklin | 3 hr |
| Jul 9, 5:28 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Franklin | 62 min |
| Jul 9, 7:27 PM EDT | Special Weather Statement | BTV | Clinton | 48 min |
| Jul 9, 7:33 PM EDT | Flash Flood Warning | BTV | Clinton, Franklin | 3 hr |
Nearby
Severe Thunderstorm Warnings in Vermont, 2023Every severe thunderstorm 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.