Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Burlington, VT

October 16, 2021Clinton County, Essex County, Franklin County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Oct 16, 2021, 1:32 PM EDT for Clinton County, Essex County, Franklin County, New York. It was in force for 43 min. 6 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
Oct 16, 2021, 1:32 PM EDT (17:32 UTC)
Expired
Oct 16, 2021, 2:15 PM EDT
In force
43 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

The radar

The Burlington radar (KCXX), 87 km from the middle of the area, began a volume at 17:33 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

TimeReportWhereRemark
Oct 16, 1:38 PM EDTTSTM WND DMG1 Se Bloomingdale, NYSEVERAL TREES DOWN ON RIVER ROAD.
Oct 16, 2:12 PM EDTHAIL 0.88Saranac, NYNICKEL SIZE HAIL.
Oct 16, 2:13 PM EDTTSTM WND DMG1 Ese Saranac, NYTREES DOWN ON EAST HILL RD NEAR BURNT HILL RD
Oct 16, 2:13 PM EDTTSTM WND DMG2 Nw Ausable Forks, NYTREES DOWN ON SILVER LAKE ROAD.
Oct 16, 2:19 PM EDTTSTM WND DMG2 Sse Dannemora, NYTREES DOWN ON BUCKS CORNERS ROAD.
Oct 16, 2:24 PM EDTTSTM WND DMG1 Ne Cadyville, NYTREES AND POWERLINES DOWN ON BITTERSWEET LANE.

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.

IssuedProductOfficeLasted
Oct 16, 12:35 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.5 hours before the alert went out and 152 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
50 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
735 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

772 
WUUS51 KBTV 161732
SVRBTV
NYC019-031-033-161815-
/O.NEW.KBTV.SV.W.0046.211016T1732Z-211016T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Burlington VT
132 PM EDT Sat Oct 16 2021

The National Weather Service in Burlington has issued a

* Severe Thunderstorm Warning for...
  Western Clinton County in northern New York...
  Southeastern Franklin County in northern New York...
  Central Essex County in northern New York...

* Until 215 PM EDT.

* At 132 PM EDT, severe thunderstorms were located along a line
  extending from near Onchiota to 6 miles south of Ray Brook to 8
  miles southwest of Newcomb, moving northeast at 65 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Saranac Lake, Lake Placid, Peru, Schuyler Falls, Saranac,
  Wilmington, Keene, Minerva, Newcomb, Lyon Mountain, Clayburg, Keene
  Valley, Au Sable Forks, Jericho, Mount Marcy, Dannemora,
  Peasleeville, Jay In Essex County, North Elba and Harrietstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4445 7351 4376 7390 4374 7406 4378 7405
      4380 7405 4381 7412 4383 7415 4382 7419
      4381 7421 4391 7431 4396 7428 4397 7426
      4399 7426 4416 7414 4457 7422 4495 7352
TIME...MOT...LOC 1732Z 221DEG 57KT 4446 7413 4421 7409 4389 7431 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Haynes
2 follow-up statements
983 
WWUS51 KBTV 161752
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
152 PM EDT Sat Oct 16 2021

NYC019-031-033-161815-
/O.CON.KBTV.SV.W.0046.000000T0000Z-211016T1815Z/
Clinton NY-Franklin NY-Essex NY-
152 PM EDT Sat Oct 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR SOUTHWESTERN CLINTON...SOUTHEASTERN FRANKLIN AND CENTRAL ESSEX
COUNTIES...

At 152 PM EDT, severe thunderstorms were located along a line
extending from near Chazy Lake to near Wilmington to near Tahawus,
moving northeast at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Lake Placid, Peru, Schuyler Falls, Wilmington, Keene, Minerva, Au
Sable Forks, Mount Marcy, Peasleeville, Jay In Essex County, Keene
Valley, North Elba, Black Brook, Olmstedville, Upper Jay, Union
Falls, Morrisonville, Cadyville, Clintonville and Mount Van
Hoevenberg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4445 7351 4376 7390 4374 7406 4378 7405
      4380 7405 4381 7412 4383 7415 4382 7419
      4381 7421 4396 7414 4428 7401 4447 7400
      4477 7353
TIME...MOT...LOC 1752Z 221DEG 57KT 4469 7385 4444 7381 4412 7404 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Haynes
044 
WWUS51 KBTV 161815
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
215 PM EDT Sat Oct 16 2021

NYC019-031-033-161825-
/O.EXP.KBTV.SV.W.0046.000000T0000Z-211016T1815Z/
Clinton NY-Franklin NY-Essex NY-
215 PM EDT Sat Oct 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLINTON...
SOUTHEASTERN FRANKLIN AND CENTRAL ESSEX COUNTIES HAS EXPIRED...
            
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 has been allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
northern New York.

LAT...LON 4445 7351 4376 7390 4374 7406 4378 7405
      4380 7405 4381 7412 4383 7415 4382 7419
      4381 7421 4396 7414 4428 7401 4447 7400
      4477 7353
TIME...MOT...LOC 1815Z 221DEG 57KT 4472 7381 4447 7377 4415 7400 

$$

Haynes

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 9:32 AM EDTSpecial Weather StatementBTVFranklin28 min
Oct 16, 12:25 PM EDTSpecial Weather StatementBTVFranklin35 min
Oct 16, 12:58 PM EDTSpecial Weather StatementBTVFranklin47 min
Oct 16, 2:13 PM EDTSpecial Weather StatementBTVClinton32 min
Oct 16, 2:15 PM EDTSpecial Weather StatementBTVEssex45 min
Oct 16, 2:21 PM EDTSevere Thunderstorm WarningBTVClinton39 min
Oct 16, 2:40 PM EDTSevere Thunderstorm WarningBTVClinton, Essex65 min

Nearby

Severe Thunderstorm Warnings in New York, 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.