Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS Albany, NY

June 21, 2021Fulton County, Hamilton County, Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 6:28 PM EDT for Fulton County, Hamilton County, Herkimer County, New York. It was in force for 62 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
Jun 21, 2021, 6:28 PM EDT (22:28 UTC)
Expired
Jun 21, 2021, 7:30 PM EDT
In force
62 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Fulton County, NY, Hamilton County, NY, Herkimer County, NY

The radar

The Ft Drum radar (KTYX), 78 km from the middle of the area, began a volume at 22:32 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
Jun 21, 7:04 PM EDTTSTM WND DMGSalisbury, NYMULTIPLE TREES DOWN
Jun 21, 7:07 PM EDTTSTM WND DMGLittle Falls, NYTREES DOWN
Jun 21, 7:28 PM EDTTSTM WND DMG7 Ene Piseco, NYTREES DOWN NEAR ROUTE 8 IN LAKE PLEASANT TOWN CENTER.

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
Jun 21, 1:11 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.5 hours before the alert went out and 113 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.193958Sfc1 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
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.

321 
WUUS51 KALY 212228
SVRALY
NYC035-041-043-212330-
/O.NEW.KALY.SV.W.0037.210621T2228Z-210621T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
628 PM EDT Mon Jun 21 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Hamilton County in eastern New York...
  Central Fulton County in eastern New York...
  Southern Herkimer County in eastern New York...

* Until 730 PM EDT.

* At 628 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles east of Forestport to Augusta, moving east
  at 55 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Ilion, Herkimer, Little Falls, Indian Lake, Speculator, Mohawk,
  Frankfort, Dolgeville, Northville, Ohio, Lake Pleasant, Wells,
  Newport, Stratford, Middleville, Poland, Cold Brook, Cranberry
  Creek, Northampton Beach Public Campground and Moffitt Beach
  Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany

LAT...LON 4322 7507 4324 7507 4323 7510 4326 7516
      4330 7515 4330 7512 4333 7508 4349 7510
      4387 7428 4382 7423 4316 7413 4296 7521
      4305 7522
TIME...MOT...LOC 2228Z 249DEG 49KT 4347 7509 4297 7549 

HAIL...0.75IN
WIND...60MPH
 
$$

DBT
3 follow-up statements
773 
WWUS51 KALY 212239
SVSALY

Severe Weather Statement
National Weather Service Albany NY
639 PM EDT Mon Jun 21 2021

NYC035-041-043-212330-
/O.CON.KALY.SV.W.0037.000000T0000Z-210621T2330Z/
Hamilton NY-Fulton NY-Herkimer NY-
639 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR HAMILTON...CENTRAL FULTON AND SOUTHERN HERKIMER COUNTIES...

At 639 PM EDT, severe thunderstorms were located along a line
extending from 10 miles southeast of McKeever to near Clinton, moving
east at 55 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Ilion, Herkimer, Little Falls, Indian Lake, Speculator, Mohawk,
Frankfort, Dolgeville, Northville, Ohio, Lake Pleasant, Wells,
Newport, Stratford, Middleville, Poland, Cold Brook, Cranberry Creek,
Northampton Beach Public Campground and Moffitt Beach Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4322 7507 4324 7507 4323 7510 4326 7516
      4330 7515 4330 7512 4333 7508 4349 7510
      4387 7428 4382 7423 4316 7413 4296 7521
      4305 7522
TIME...MOT...LOC 2239Z 270DEG 49KT 4351 7493 4301 7533 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

DBT
891 
WWUS51 KALY 212259
SVSALY

Severe Weather Statement
National Weather Service Albany NY
659 PM EDT Mon Jun 21 2021

NYC035-041-043-212330-
/O.CON.KALY.SV.W.0037.000000T0000Z-210621T2330Z/
Hamilton NY-Fulton NY-Herkimer NY-
659 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN HAMILTON...CENTRAL FULTON AND SOUTHERN HERKIMER
COUNTIES...

At 658 PM EDT, severe thunderstorms were located along a line
extending from 13 miles southeast of Nicks Lake Campground to near
Middleville, moving east at 55 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Ilion, Herkimer, Little Falls, Indian Lake, Speculator, Mohawk,
Frankfort, Dolgeville, Northville, Ohio, Lake Pleasant, Wells,
Newport, Stratford, Middleville, Poland, Cold Brook, Cranberry Creek,
Northampton Beach Public Campground and Moffitt Beach Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4328 7504 4333 7508 4355 7493 4387 7428
      4382 7423 4316 7413 4296 7521 4305 7522
      4322 7507
TIME...MOT...LOC 2258Z 248DEG 47KT 4352 7483 4313 7489 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

DBT
429 
WWUS51 KALY 212319
SVSALY

Severe Weather Statement
National Weather Service Albany NY
719 PM EDT Mon Jun 21 2021

NYC035-041-043-212330-
/O.CON.KALY.SV.W.0037.000000T0000Z-210621T2330Z/
Hamilton NY-Fulton NY-Herkimer NY-
719 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN HAMILTON...CENTRAL FULTON AND SOUTHEASTERN HERKIMER
COUNTIES...

At 719 PM EDT, severe thunderstorms were located along a line
extending from 8 miles west of Speculator to near Stratford, moving
northeast at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Indian Lake, Speculator, Dolgeville, Northville, Lake Pleasant,
Wells, Stratford, Cranberry Creek, Caroga Lake Public Campground,
Northampton Beach Public Campground, Lewey Lake Campground, Moffitt
Beach Campground, Caroga Lake, Sacandaga Campground, Oppenheim,
Bleecker, Hope, Arietta, Benson and Girards Sugarbush.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4325 7476 4338 7473 4359 7471 4387 7428
      4382 7423 4316 7413 4304 7475 4312 7479
      4319 7478
TIME...MOT...LOC 2319Z 244DEG 44KT 4361 7455 4322 7462 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

DBT

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 5:14 AM EDTSpecial Weather StatementALYFulton31 min
Jun 21, 8:12 AM EDTSpecial Weather StatementALYHerkimer33 min
Jun 21, 2:21 PM EDTSpecial Weather StatementALYHamilton, Herkimer39 min
Jun 21, 2:33 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer42 min
Jun 21, 2:56 PM EDTSpecial Weather StatementALYHerkimer49 min
Jun 21, 3:03 PM EDTSevere Thunderstorm WarningALYHamilton42 min
Jun 21, 3:16 PM EDTAreal Flood AdvisoryALYHamilton, Herkimer91 min
Jun 21, 3:34 PM EDTSevere Thunderstorm WarningALYHamilton, Warren41 min
Jun 21, 3:36 PM EDTSpecial Weather StatementALYHerkimer39 min
Jun 21, 3:41 PM EDTSevere Thunderstorm WarningALYHamilton34 min
Jun 21, 3:48 PM EDTSpecial Weather StatementALYOneida42 min
Jun 21, 3:52 PM EDTAreal Flood AdvisoryALYHamilton61 min
Jun 21, 4:05 PM EDTSpecial Weather StatementALYHamilton40 min
Jun 21, 4:14 PM EDTSevere Thunderstorm WarningALYHamilton, Warren46 min
Jun 21, 4:22 PM EDTFlash Flood WarningALYHamilton44 min
Jun 21, 4:29 PM EDTSpecial Weather StatementALYWarren31 min
Jun 21, 4:37 PM EDTSevere Thunderstorm WarningALYWarren, Washington23 min
Jun 21, 4:48 PM EDTSevere Thunderstorm WarningALYWarren, Washington42 min
Jun 21, 4:51 PM EDTSpecial Weather StatementALYHamilton24 min
Jun 21, 5:03 PM EDTSevere Thunderstorm WarningALYWarren, Washington27 min
Jun 21, 5:12 PM EDTSpecial Weather StatementALYWashington33 min
Jun 21, 5:15 PM EDTAreal Flood AdvisoryALYWarren, Washington69 min
Jun 21, 5:21 PM EDTSevere Thunderstorm WarningALYWarren, Washington39 min
Jun 21, 5:50 PM EDTAreal Flood AdvisoryALYWashington55 min
Jun 21, 5:54 PM EDTSevere Thunderstorm WarningALYWashington36 min
Jun 21, 6:18 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer57 min
Jun 21, 6:46 PM EDTTornado WarningALYFulton, Hamilton, Herkimer29 min
Jun 21, 7:22 PM EDTSpecial Weather StatementALYWarren23 min
Jun 21, 7:28 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Saratoga, Warren62 min
Jun 21, 7:46 PM EDTSpecial Weather StatementALYMontgomery44 min
Jun 21, 7:55 PM EDTSpecial Weather StatementALYWarren50 min
Jun 21, 7:57 PM EDTSevere Thunderstorm WarningALYWarren, Washington34 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.