Alert archive / Vermont / Special Weather Statements in 2021

Special Weather Statement, NWS Burlington, VT

June 21, 2021Rutland County, Vermont

NWS Burlington, VT issued this special weather statement at Jun 21, 2021, 7:50 PM EDT for Rutland County, Vermont. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 21, 2021, 7:50 PM EDT (23:50 UTC)
Expired: Jun 21, 2021, 8:15 PM EDT
In force: 25 min
Issued by: NWS Burlington, VT

County Rutland County, VT

The radar

The Burlington radar (KCXX), 95 km from the middle of the area, began a volume at 23:53 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

Albany, NY (KALY), launched 12:00Z, 11.8 hours before the alert went out and 117 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 524 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 990 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 21, 7:35 PM EDT, 15 minutes earlier.

Area forecast discussion, Jun 21, 7:35 PM EDT, 15 minutes before

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Hazardous weather outlook, Jun 21, 3:21 AM EDT, 16 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service Burlington VT
321 AM EDT Mon Jun 21 2021

NYZ026>031-034-035-087-VTZ001>012-016>019-220730-
Northern St. Lawrence-Northern Franklin-Eastern Clinton-
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Western Essex-Eastern Essex-Southwestern St. Lawrence-Grand Isle-
Western Franklin-Orleans-Essex-Western Chittenden-Lamoille-Caledonia-
Washington-Western Addison-Orange-Western Rutland-Windsor-
Eastern Franklin-Eastern Chittenden-Eastern Addison-Eastern Rutland-
321 AM EDT Mon Jun 21 2021

This Hazardous Weather Outlook is for northern New York, central
Vermont, northeast Vermont, northwest Vermont and southern Vermont.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are expected across much of northern
New York and Vermont this afternoon and evening. Strong wind gusts,
hail, very heavy downpours, and lightning will be the main threats
with any of the storms. Storms are expected to develop over the
Saint Lawrence Valley and northern Adirondacks of New York by early
this afternoon and move eastward across the remainder of northern
New York and Vermont during the late afternoon and evening hours. The
storms will exit to our south and east by midnight tonight.

.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.

In the hours before

Local storm report, Jun 21, 6:57 PM EDT, 53 minutes before

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Special weather statement, Jun 21, 7:04 PM EDT, 46 minutes before

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Local storm report, Jun 21, 7:06 PM EDT, 44 minutes before

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Special weather statement, Jun 21, 7:29 PM EDT, 21 minutes before

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Special weather statement, Jun 21, 7:50 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Burlington VT
750 PM EDT Mon Jun 21 2021

NYZ035-VTZ008>012-018-019-220015-
Eastern Essex-Eastern Rutland-Western
Rutland-Windsor-Washington-Western Addison-Eastern Addison-Orange-
750 PM EDT Mon Jun 21 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN ESSEX...
WEST CENTRAL ORANGE...SOUTHERN ADDISON...RUTLAND...NORTHWESTERN
WINDSOR AND SOUTHWESTERN WASHINGTON COUNTIES...

At 749 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Orwell to Comstock. Movement was
northeast at 35 mph.

Winds in excess of 40 mph and pea size hail are possible with these
storms.

Locations impacted include...
Middlebury, Rutland, Cornwall, Sudbury, Killington, Salisbury,
Rutland City, Orwell, Benson, Chittenden, West Rutland, Whiting,
Granville, Ira, West Castleton, Hancock, Shoreham, Poultney Village,
Ripton and Lake St. Catherine.

Frequent cloud to ground lightning and torrential rainfall is also
occurring with these storms. Lightning can strike 10 miles away from
a thunderstorm. Seek a safe shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4353 7324 4356 7326 4358 7330 4360 7329
      4362 7330 4363 7337 4357 7340 4359 7343
      4362 7342 4364 7343 4377 7335 4381 7338
      4380 7345 4386 7344 4420 7272 4358 7276
      4345 7325
TIME...MOT...LOC 2349Z 236DEG 32KT 4377 7328 4346 7347

Lahiff

Special weather statement, Jun 21, 7:50 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Burlington VT
750 PM EDT Mon Jun 21 2021

NYZ030-034-035-220015-
Southern Franklin-Western Essex-Eastern Essex-
750 PM EDT Mon Jun 21 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
FRANKLIN...ESSEX...WESTERN ADDISON AND SOUTHWESTERN CHITTENDEN
COUNTIES...

At 749 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Lake Placid to 8 miles south of
Mount Marcy to near Minerva. Movement was northeast at 45 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Lake Placid, Essex, Moriah, Willsboro, Crown Point, Westport,
Elizabethtown, Keene, Minerva, Schroon Lake, Keene Valley, Port
Henry, Mount Marcy, Crown Point Center, Shoreham, Charlotte, Orwell,
Shelburne, North Elba and Lewis.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4380 7405 4383 7415 4381 7422 4385 7425
      4396 7415 4426 7414 4438 7333 4427 7331
      4419 7339 4405 7344 4402 7341 4393 7341
      4388 7337 4381 7338 4374 7406
TIME...MOT...LOC 2349Z 234DEG 41KT 4425 7393 4398 7392 4376 7409

Neiles

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 10:08 AM EDT	Special Weather Statement	BTV	Grand Isle	37 min
Jun 21, 3:07 PM EDT	Special Weather Statement	BTV	Franklin	23 min
Jun 21, 3:13 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Washington	62 min
Jun 21, 3:47 PM EDT	Special Weather Statement	BTV	Lamoille	58 min
Jun 21, 4:15 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Lamoille, Orange, Washington	60 min
Jun 21, 4:40 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Rutland, Washington, Windsor	65 min
Jun 21, 4:54 PM EDT	Special Weather Statement	BTV	Chittenden, Franklin, Lamoille	51 min
Jun 21, 5:12 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Orange, Rutland, Windsor	63 min
Jun 21, 5:17 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Caledonia, Chittenden, Lamoille, Orange, Orleans and 2 more	58 min
Jun 21, 5:39 PM EDT	Special Weather Statement	BTV	Essex	36 min
Jun 21, 6:01 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex	59 min
Jun 21, 6:18 PM EDT	Severe Thunderstorm Warning	BTV	Rutland, Windsor	57 min
Jun 21, 6:47 PM EDT	Severe Thunderstorm Warning	BTV	Orange, Windsor	28 min
Jun 21, 7:04 PM EDT	Special Weather Statement	BTV	Caledonia	26 min
Jun 21, 7:29 PM EDT	Special Weather Statement	BTV	Caledonia	16 min
Jun 21, 7:59 AM EDT	Special Weather Statement	BTV	St. Lawrence	61 min
Jun 21, 9:12 AM EDT	Special Weather Statement	BTV	Clinton, Franklin	48 min
Jun 21, 1:06 PM EDT	Special Weather Statement	BTV	St. Lawrence	39 min
Jun 21, 1:28 PM EDT	Special Weather Statement	BTV	St. Lawrence	62 min
Jun 21, 1:41 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	49 min
Jun 21, 2:08 PM EDT	Special Weather Statement	BTV	St. Lawrence	67 min
Jun 21, 2:35 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	55 min
Jun 21, 3:25 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Essex, Franklin, St. Lawrence	54 min
Jun 21, 4:57 PM EDT	Special Weather Statement	BTV	Essex	48 min
Jun 21, 7:50 PM EDT	Special Weather Statement	BTV	Essex	25 min

Nearby

Special Weather Statements in Vermont, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.