Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Albany, NY

June 21, 2021Warren County, Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 7:57 PM EDT for Warren County, Washington County, New York. It was in force for 34 min. 1 report 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, 7:57 PM EDT (23:57 UTC)
Expired
Jun 21, 2021, 8:31 PM EDT
In force
34 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Warren County, NY, Washington County, NY

The radar

The Burlington radar (KCXX), 100 km from the middle of the area, began a volume at 23:58 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, 8:40 PM EDTTSTM WND DMG3 E Pilot Knob, NYTREE DOWN ON HOGTOWN AND SLY POND ROAD INTERSECTION.

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, 12.0 hours before the alert went out and 110 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.

722 
WUUS51 KALY 212357
SVRALY
NYC113-115-220100-
/O.NEW.KALY.SV.W.0039.210621T2357Z-210622T0100Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  East central Warren County in east central New York...
  Northern Washington County in east central New York...

* Until 900 PM EDT.

* At 756 PM EDT, a severe thunderstorm was located near Bolton
  Landing, or 8 miles southwest of Whitehall, moving northeast at 25
  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...
  Whitehall, Huletts Landing, Putnam, Mount Hope, Wright, Lock Twelve
  Marina, Dresden Center, South Bay, Chipman Point, Low Hampton,
  Putnam Station, Silver Bay, South Bay Village, Snody Dock, Clemons,
  Pilot Knob, Sabbath Day Point, Grays Corner, Iron Furnace and
  Glenburnie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake George, get away from the water and move indoors 
or inside a vehicle. Remember, lightning can strike out to 15 miles 
from the parent thunderstorm. If you can hear thunder, you are close 
enough to be struck by lightning. Move to safe shelter now!  Do not 
be caught on the water in a thunderstorm.

&&

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 4377 7335 4364 7343 4362 7342 4359 7343
      4357 7340 4358 7338 4359 7339 4362 7337
      4363 7330 4361 7329 4359 7329 4342 7354
      4349 7366 4381 7343 4381 7338
TIME...MOT...LOC 2356Z 218DEG 21KT 4351 7358 

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

DBT
2 follow-up statements
668 
WWUS51 KALY 220012
SVSALY

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

NYC113-220021-
/O.CAN.KALY.SV.W.0039.000000T0000Z-210622T0100Z/
Warren NY-
812 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARREN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

Remember, another Severe Thunderstorm Warning remains in effect for 
Warren County until 830 pm EDT.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
east central New York.

LAT...LON 4364 7343 4362 7342 4359 7343 4357 7340
      4358 7338 4359 7339 4362 7337 4363 7330
      4361 7329 4359 7329 4346 7348 4352 7355
TIME...MOT...LOC 0011Z 218DEG 21KT 4358 7350 

$$

NYC115-220100-
/O.CON.KALY.SV.W.0039.000000T0000Z-210622T0100Z/
Washington NY-
812 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHERN WASHINGTON COUNTY...

At 811 PM EDT, a severe thunderstorm was located near Huletts
Landing, or near Whitehall, moving northeast at 25 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...
Whitehall, Lock Twelve Marina, South Bay, Low Hampton, Grays Corner,
South Bay Village and Snody Dock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4364 7343 4362 7342 4359 7343 4357 7340
      4358 7338 4359 7339 4362 7337 4363 7330
      4361 7329 4359 7329 4346 7348 4352 7355
TIME...MOT...LOC 0011Z 218DEG 21KT 4358 7350 

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

DBT
515 
WWUS51 KALY 220031
SVSALY

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

NYC115-220040-
/O.CAN.KALY.SV.W.0039.000000T0000Z-210622T0100Z/
Washington NY-
831 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WASHINGTON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
east central New York.

Remember, a Severe Thunderstorm Warning still remains in effect for
central Washington County until 930 pm EDT.

LAT...LON 4364 7343 4362 7342 4359 7343 4357 7340
      4358 7338 4359 7339 4362 7337 4363 7330
      4361 7329 4359 7329 4346 7348 4352 7355
TIME...MOT...LOC 0026Z 218DEG 21KT 4365 7339 

$$

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, 6:28 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer62 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

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.