Alert archive / Vermont / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at May 26, 2021, 4:39 PM EDT for 4 counties in Vermont. It was in force for 51 min. 3 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 26, 2021, 4:39 PM EDT (20:39 UTC)
- Expired
- May 26, 2021, 5:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Caledonia County, VT, Essex County, VT, Orange County, VT, Washington County, VT
The radar
The Burlington radar (KCXX), 99 km from the middle of the area, began a volume at 20:43 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 26, 4:50 PM EDT | TSTM WND DMG | Groton, VT | TREES AND WIRES DOWN |
| May 26, 4:51 PM EDT | TSTM WND DMG | 3 S Danville, VT | CORRECTED TIME OF REPORT. PEACHAM ROAD |
| May 26, 5:00 PM EDT | TSTM WND DMG | Barnet, VT | TREES AND WIRES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 8.7 hours before the alert went out and 143 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
- 9 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1555 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
816
WUUS51 KBTV 262039
SVRBTV
VTC005-009-017-023-262130-
/O.NEW.KBTV.SV.W.0006.210526T2039Z-210526T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Burlington VT
439 PM EDT Wed May 26 2021
The National Weather Service in Burlington has issued a
* Severe Thunderstorm Warning for...
Southern Caledonia County in northeastern Vermont...
Northeastern Orange County in central Vermont...
South central Essex County in northeastern Vermont...
East central Washington County in central Vermont...
* Until 530 PM EDT.
* At 439 PM EDT, severe thunderstorms were located along a line
extending from North Montpelier to Orange, moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
* Locations impacted include...
St. Johnsbury, Waterford, Plainfield, Orange, Ryegate, Gilman, East
Montpelier, Marshfield Village, Barnet, Concord, Groton Village,
Ricker State Park, Peacham, Groton, Marshfield, Lower Waterford,
Barre Town, Calais, Lunenburg and Topsham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across central Vermont. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 4442 7170 4440 7175 4441 7177 4440 7179
4438 7181 4435 7182 4434 7185 4435 7191
4432 7203 4427 7207 4423 7205 4419 7207
4417 7205 4417 7210 4413 7245 4434 7254
4447 7164
TIME...MOT...LOC 2039Z 268DEG 50KT 4431 7243 4415 7237
HAIL...<.75IN
WIND...60MPH
$$
Lahiff3 follow-up statements
374
WWUS51 KBTV 262101
SVSBTV
Severe Weather Statement
National Weather Service Burlington VT
501 PM EDT Wed May 26 2021
VTC005-009-017-023-262130-
/O.CON.KBTV.SV.W.0006.000000T0000Z-210526T2130Z/
Caledonia VT-Orange VT-Essex VT-Washington VT-
501 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN CALEDONIA...NORTHEASTERN ORANGE...SOUTH CENTRAL
ESSEX AND NORTHEASTERN WASHINGTON COUNTIES...
At 501 PM EDT, severe thunderstorms were located along a line
extending from Barnet to Wells River, moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
Locations impacted include...
St. Johnsbury, Waterford, Ryegate, Gilman, Barnet, Concord, Groton
Village, Peacham, Lower Waterford, Lunenburg, Groton, Cabot,
Danville, Topsham, Newbury, Concord Corner, West Waterford, South
Ryegate, Boltonville and West Barnet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms produced widespread wind
damage across central Vermont. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4442 7170 4440 7175 4441 7177 4440 7179
4438 7181 4435 7182 4434 7185 4435 7191
4432 7203 4427 7207 4423 7205 4419 7207
4417 7205 4417 7210 4416 7222 4438 7227
4447 7164
TIME...MOT...LOC 2101Z 268DEG 50KT 4432 7208 4416 7202
HAIL...<.75IN
WIND...60MPH
$$
Lahiff468
WWUS51 KBTV 262115
SVSBTV
Severe Weather Statement
National Weather Service Burlington VT
515 PM EDT Wed May 26 2021
VTC017-023-262124-
/O.CAN.KBTV.SV.W.0006.000000T0000Z-210526T2130Z/
Orange VT-Washington VT-
515 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ORANGE AND
NORTHEASTERN WASHINGTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4442 7170 4440 7175 4441 7177 4440 7179
4438 7181 4435 7182 4434 7185 4435 7191
4434 7194 4442 7196 4447 7164
TIME...MOT...LOC 2114Z 268DEG 50KT 4432 7188 4416 7182
$$
VTC005-009-262130-
/O.CON.KBTV.SV.W.0006.000000T0000Z-210526T2130Z/
Caledonia VT-Essex VT-
515 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR EAST CENTRAL CALEDONIA AND SOUTH CENTRAL ESSEX COUNTIES...
At 514 PM EDT, severe thunderstorms were located along a line
extending from near Lower Waterford to 11 miles east of Wells River,
moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
Locations impacted include...
Gilman, Waterford, Concord, Lower Waterford, Lunenburg, Concord
Corner and East Concord.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4442 7170 4440 7175 4441 7177 4440 7179
4438 7181 4435 7182 4434 7185 4435 7191
4434 7194 4442 7196 4447 7164
TIME...MOT...LOC 2114Z 268DEG 50KT 4432 7188 4416 7182
HAIL...<.75IN
WIND...60MPH
$$
Lahiff898
WWUS51 KBTV 262127
SVSBTV
Severe Weather Statement
National Weather Service Burlington VT
527 PM EDT Wed May 26 2021
VTC005-009-262137-
/O.EXP.KBTV.SV.W.0006.000000T0000Z-210526T2130Z/
Caledonia VT-Essex VT-
527 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CALEDONIA AND
SOUTH CENTRAL ESSEX COUNTIES WILL EXPIRE AT 530 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 4442 7170 4440 7175 4441 7177 4440 7179
4438 7181 4435 7182 4434 7185 4435 7191
4434 7194 4442 7196 4447 7164
TIME...MOT...LOC 2127Z 268DEG 50KT 4432 7166 4416 7160
$$
LahiffThe office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 1:56 PM EDT | Special Weather Statement | BTV | Addison, Washington | 64 min |
| May 26, 2:46 PM EDT | Special Weather Statement | BTV | Rutland | 59 min |
| May 26, 3:15 PM EDT | Special Weather Statement | BTV | Addison | 45 min |
| May 26, 3:46 PM EDT | Special Weather Statement | BTV | Rutland | 44 min |
| May 26, 3:52 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Caledonia, Chittenden, Lamoille, Orange, Washington | 53 min |
| May 26, 4:48 PM EDT | Special Weather Statement | BTV | Windsor | 42 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 2021Every severe thunderstorm warning in 2021
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.