Alert archive / New York / Tornado Warnings in 2021

Tornado Warning 3, NWS Albany, NY

August 19, 20214 counties in New York

NWS Albany, NY issued this tornado warning at Aug 19, 2021, 5:22 AM EDT for 4 counties in New York. It was in force for 23 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
Aug 19, 2021, 5:22 AM EDT (09:22 UTC)
Expired
Aug 19, 2021, 5:45 AM EDT
In force
23 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Columbia County, NY, Dutchess County, NY, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 60 km from the middle of the area, began a volume at 09:21 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 00:00Z, 9.4 hours before the alert went out and 70 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 00:00Z on 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 286 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 00:00Z on 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
286 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

887 
WFUS51 KALY 190922
TORALY
NYC021-027-039-111-190945-
/O.NEW.KALY.TO.W.0003.210819T0922Z-210819T0945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Albany NY
522 AM EDT Thu Aug 19 2021

The National Weather Service in Albany has issued a

* Tornado Warning for...
  Eastern Ulster County in east central New York...
  Northwestern Dutchess County in east central New York...
  Southwestern Columbia County in east central New York...
  Southeastern Greene County in east central New York...

* Until 545 AM EDT.
    
* At 521 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Saugerties South, or over Saugerties, moving
  northeast at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Saugerties and Saugerties South around 530 AM EDT.
  Clermont around 540 AM EDT.
  Catskill and Livingston around 545 AM EDT.

Other locations impacted by this tornadic thunderstorm include Mount
Marion, Canoe Hill, Kerleys Corners, Jefferson Heights, Burden Dock,
Katsbaan, Flatbush, Burden, Linden Acres and Germantown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

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 4197 7396 4201 7404 4225 7389 4212 7367
TIME...MOT...LOC 0921Z 218DEG 21KT 4203 7395 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

DBT
2 follow-up statements
394 
WWUS51 KALY 190936
SVSALY

Severe Weather Statement
National Weather Service Albany NY
536 AM EDT Thu Aug 19 2021

NYC027-039-111-190945-
/O.CAN.KALY.TO.W.0003.000000T0000Z-210819T0945Z/
Ulster NY-Dutchess NY-Greene NY-
536 AM EDT Thu Aug 19 2021

...THE TORNADO WARNING FOR EASTERN ULSTER...NORTHWESTERN DUTCHESS AND
SOUTHEASTERN GREENE COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4208 7389 4208 7393 4211 7392 4217 7389
      4218 7387 4220 7385 4222 7385 4212 7367
      4205 7381
TIME...MOT...LOC 0935Z 218DEG 21KT 4210 7388 

$$

NYC021-190945-
/O.CON.KALY.TO.W.0003.000000T0000Z-210819T0945Z/
Columbia NY-
536 AM EDT Thu Aug 19 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM EDT FOR
SOUTHWESTERN COLUMBIA COUNTY...
    
At 535 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Clermont, or near Saugerties, moving northeast at 25
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Livingston around 550 AM EDT.

Other locations impacted by this tornadic thunderstorm include Glenco
Mills, Oak Hill Landing, Burden Dock, Linlithgo, Viewmonte, Manorton,
Burden, West Taghkanic, Germantown and Bingham Mills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4208 7389 4208 7393 4211 7392 4217 7389
      4218 7387 4220 7385 4222 7385 4212 7367
      4205 7381
TIME...MOT...LOC 0935Z 218DEG 21KT 4210 7388 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

DBT
763 
WWUS51 KALY 190943
SVSALY

Severe Weather Statement
National Weather Service Albany NY
543 AM EDT Thu Aug 19 2021

NYC021-190953-
/O.EXP.KALY.TO.W.0003.000000T0000Z-210819T0945Z/
Columbia NY-
543 AM EDT Thu Aug 19 2021

...THE TORNADO WARNING FOR SOUTHWESTERN COLUMBIA COUNTY WILL EXPIRE
AT 545 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 4208 7389 4208 7393 4211 7392 4217 7389
      4218 7387 4220 7385 4222 7385 4212 7367
      4205 7381
TIME...MOT...LOC 0943Z 218DEG 21KT 4213 7385 

$$

DBT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 2:53 AM EDTAreal Flood AdvisoryALYGreene, Ulster3 hr
Aug 19, 5:02 AM EDTRiver Flood WarningALYOneida53 hr
Aug 19, 9:21 AM EDTAreal Flood AdvisoryALYFulton, Montgomery116 min
Aug 19, 4:03 PM EDTRiver Flood WarningALYHamilton5 hr

Nearby

Tornado Warnings in New York, 2021Every tornado warning in 2021Tornadoes 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.