Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Burlington, VT

March 26, 20214 counties in New York

NWS Burlington, VT issued this severe thunderstorm warning at Mar 26, 2021, 12:13 PM EDT for 4 counties in New York. It was in force for 47 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: Mar 26, 2021, 12:13 PM EDT (16:13 UTC)
Expired: Mar 26, 2021, 1:00 PM EDT
In force: 47 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clinton County, NY, Essex County, NY, Franklin County, NY, St. Lawrence County, NY

The radar

The Burlington radar (KCXX), 90 km from the middle of the area, began a volume at 16:17 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 26, 11:11 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.2 hours before the alert went out and 165 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: 2 J/kg
Mixed-layer CIN: -438 J/kg
Mixed-layer LCL: 578 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

533 
WUUS51 KBTV 261613
SVRBTV
NYC019-031-033-089-261700-
/O.NEW.KBTV.SV.W.0002.210326T1613Z-210326T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Burlington VT
1213 PM EDT Fri Mar 26 2021

The National Weather Service in Burlington has issued a

* Severe Thunderstorm Warning for...
  Southwestern Clinton County in northern New York...
  Franklin County in northern New York...
  East central St. Lawrence County in northern New York...
  Essex County in northern New York...

* Until 100 PM EDT.

* At 1213 PM EDT, severe thunderstorms were located along a line
  extending from near Stark to near Childwold to Piercefield to 11
  miles southeast of Horseshoe Lake to 24 miles west of Vanderwhacker
  Mountain, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Tupper Lake, Adirondack Regional Airport, Saranac Lake, Lake
  Placid, Wilmington, Keene, Minerva, Newcomb, Piercefield, Bryants
  Mill, Wawbeek, Schroon Lake, Lyon Mountain, Clayburg, Merrill,
  Carry Falls Reservoir, Keene Valley, Au Sable Forks, Debar Mountain
  and Mount Marcy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is also occurring with these storms, and will 
greatly reduce visibility. Drivers are urged to use caution and 
adjust speeds accordingly due to the possibility of hydroplaning.

&&

LAT...LON 4488 7409 4462 7376 4452 7368 4429 7362
      4378 7374 4374 7405 4374 7406 4380 7405
      4381 7412 4383 7415 4381 7421 4392 7434
      4397 7426 4412 7428 4410 7457 4421 7461
      4431 7469 4452 7495
TIME...MOT...LOC 1613Z 244DEG 43KT 4449 7482 4433 7463 4423 7455 4401
7449 4374 7457

HAIL...<.75IN
WIND...60MPH
 
$$

JMG

2 follow-up statements

839 
WWUS51 KBTV 261638
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
1238 PM EDT Fri Mar 26 2021

NYC019-031-033-089-261700-
/O.CON.KBTV.SV.W.0002.000000T0000Z-210326T1700Z/
Clinton NY-Franklin NY-St. Lawrence NY-Essex NY-
1238 PM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM EDT
FOR SOUTHWESTERN CLINTON...CENTRAL FRANKLIN...NORTHEASTERN ST.
LAWRENCE AND CENTRAL ESSEX COUNTIES...

At 1237 PM EDT, severe thunderstorms were located along a line
extending from near Santa Clara to near Paul Smiths to Lake Clear to
7 miles northwest of Tahawus to 6 miles west of Vanderwhacker
Mountain, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Adirondack Regional Airport, Saranac Lake, Lake Placid, Wilmington,
Keene, Newcomb, Bryants Mill, Lyon Mountain, Clayburg, Merrill, Keene
Valley, Au Sable Forks, Debar Mountain, Mount Marcy, Jay In Essex
County, Madawaska, North Elba, Harrietstown, Black Brook and Santa
Clara.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4404 7368 4390 7372 4381 7411 4381 7412
      4383 7415 4381 7421 4387 7428 4410 7421
      4432 7427 4442 7435 4464 7460 4482 7423
      4488 7409 4462 7376 4452 7368 4429 7362
TIME...MOT...LOC 1637Z 244DEG 43KT 4461 7449 4445 7430 4435 7422 4413
7416 4386 7424

HAIL...<.75IN
WIND...60MPH
 
$$

JMG

528 
WWUS51 KBTV 261657
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
1257 PM EDT Fri Mar 26 2021

NYC019-031-033-089-261707-
/O.EXP.KBTV.SV.W.0002.000000T0000Z-210326T1700Z/
Clinton NY-Franklin NY-St. Lawrence NY-Essex NY-
1257 PM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLINTON...CENTRAL
FRANKLIN...NORTHEASTERN ST. LAWRENCE AND CENTRAL ESSEX COUNTIES WILL
EXPIRE AT 100 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 PM EDT for
northern New York.

LAT...LON 4404 7368 4390 7372 4381 7411 4381 7412
      4383 7415 4381 7421 4387 7428 4410 7421
      4432 7427 4442 7435 4464 7460 4482 7423
      4488 7409 4462 7376 4452 7368 4429 7362
TIME...MOT...LOC 1657Z 244DEG 43KT 4469 7426 4453 7407 4443 7399 4421
7393 4394 7401

$$

JMG

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 11:08 AM EDT	Special Weather Statement	BTV	St. Lawrence	37 min
Mar 26, 11:30 AM EDT	Severe Thunderstorm Warning	BTV	Essex, Franklin, St. Lawrence	45 min
Mar 26, 1:00 PM EDT	Special Weather Statement	BTV	Clinton, Essex	45 min
Mar 26, 1:11 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Essex	49 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.