Alert archive / New York / Tornado Warnings in 2020

Tornado Warning 9, NWS Albany, NY

August 4, 2020Albany County, Columbia County, Rensselaer County, New York

NWS Albany, NY issued this tornado warning at Aug 4, 2020, 1:38 PM EDT for Albany County, Columbia County, Rensselaer County, New York. It was in force for 26 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: Aug 4, 2020, 1:38 PM EDT (17:38 UTC)
Expired: Aug 4, 2020, 2:04 PM EDT
In force: 26 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Albany County, NY, Columbia County, NY, Rensselaer County, NY

The radar

The Albany radar (KENX), 35 km from the middle of the area, began a volume at 17:37 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

Time	Report	Where	Remark
Aug 4, 2:00 PM EDT	NON-TSTM WND DMG	1 Se Ravena, NY	LARGE HONEY LOCUST TREE DOWN ON PROPERTY.

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.

Issued	Product	Office	Lasted
Aug 4, 12:43 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.6 hours before the alert went out and 30 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: 71 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 818 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

151 
WFUS51 KALY 041738
TORALY
NYC001-021-083-041815-
/O.NEW.KALY.TO.W.0009.200804T1738Z-200804T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Albany NY
138 PM EDT Tue Aug 4 2020

The National Weather Service in Albany has issued a

* Tornado Warning for...
  Northeastern Columbia County in east central New York...
  Southeastern Albany County in east central New York...
  Southwestern Rensselaer County in east central New York...

* Until 215 PM EDT.
    
* At 137 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Chatham, moving northwest at 45 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...
  Kinderhook around 145 PM EDT.
  Nassau around 150 PM EDT.
  Ravena and Castleton-On-Hudson around 155 PM EDT.
  East Greenbush and Selkirk around 200 PM EDT.
  Rensselaer around 205 PM EDT.
  Albany around 210 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Brookview, Chatham Center, Van Hoesen Station, South Albany, Selkirk
Yards, Spawn Hollow, Beckers Corners, Rayville, Red Rock and Malden
Bridge.

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 4237 7343 4227 7359 4244 7378 4246 7378
      4246 7380 4256 7390 4265 7374
TIME...MOT...LOC 1737Z 141DEG 40KT 4238 7358 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

NAS

2 follow-up statements

812 
WWUS51 KALY 041756
SVSALY

Severe Weather Statement
National Weather Service Albany NY
156 PM EDT Tue Aug 4 2020

NYC021-041806-
/O.CAN.KALY.TO.W.0009.000000T0000Z-200804T1815Z/
Columbia NY-
156 PM EDT Tue Aug 4 2020

...THE TORNADO WARNING FOR NORTHEASTERN COLUMBIA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 4247 7377 4246 7377 4246 7380 4256 7390
      4265 7374 4248 7363
TIME...MOT...LOC 1756Z 141DEG 40KT 4255 7376 

$$

NYC001-083-041815-
/O.CON.KALY.TO.W.0009.000000T0000Z-200804T1815Z/
Albany NY-Rensselaer NY-
156 PM EDT Tue Aug 4 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
SOUTHEASTERN ALBANY AND SOUTHWESTERN RENSSELAER COUNTIES...
    
At 156 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Castleton-On-Hudson, or near East Greenbush, moving
northwest at 45 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...
  Rensselaer around 205 PM EDT.
  Albany around 210 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Brookview, Van Hoesen Station, South Albany, Selkirk Yards, Spawn
Hollow, Beckers Corners, East Greenbush Station, Bethlehem Heights,
South Schodack and Meyers Corners.

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 4247 7377 4246 7377 4246 7380 4256 7390
      4265 7374 4248 7363
TIME...MOT...LOC 1756Z 141DEG 40KT 4255 7376 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

NAS

948 
WWUS51 KALY 041804
SVSALY

Severe Weather Statement
National Weather Service Albany NY
204 PM EDT Tue Aug 4 2020

NYC001-083-041814-
/O.CAN.KALY.TO.W.0009.000000T0000Z-200804T1815Z/
Albany NY-Rensselaer NY-
204 PM EDT Tue Aug 4 2020

...THE TORNADO WARNING FOR SOUTHEASTERN ALBANY AND SOUTHWESTERN
RENSSELAER COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

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

LAT...LON 4247 7377 4246 7377 4246 7380 4256 7390
      4265 7374 4248 7363
TIME...MOT...LOC 1803Z 141DEG 40KT 4263 7384 

$$

NAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 10:55 PM EDT	Special Weather Statement	ALY	Dutchess	65 min
Aug 4, 6:21 AM EDT	Special Weather Statement	ALY	Dutchess	39 min
Aug 4, 6:58 AM EDT	Special Weather Statement	ALY	Dutchess	32 min
Aug 4, 10:04 AM EDT	Areal Flood Advisory	ALY	Albany, Columbia, Greene, Rensselaer, Saratoga, Schenectady and 1 more	88 min
Aug 4, 11:41 AM EDT	Special Weather Statement	ALY	Washington	49 min
Aug 4, 1:41 PM EDT	Special Weather Statement	ALY	Saratoga	34 min
Aug 4, 2:33 PM EDT	Areal Flood Advisory	ALY	Columbia, Ulster	3 hr
Aug 4, 2:39 PM EDT	Areal Flood Advisory	ALY	Greene, Rensselaer	5 hr
Aug 4, 2:54 PM EDT	Areal Flood Advisory	ALY	Albany, Columbia, Saratoga, Schoharie	5 hr
Aug 4, 3:34 PM EDT	Areal Flood Advisory	ALY	Albany, Fulton, Montgomery, Rensselaer, Saratoga, Schenectady and 2 more	4 hr
Aug 4, 3:45 PM EDT	Flash Flood Warning	ALY	Albany, Greene, Schoharie, Ulster	3 hr
Aug 4, 4:03 PM EDT	Flash Flood Warning	ALY	Albany, Greene, Rensselaer, Saratoga, Schenectady, Schoharie	3 hr
Aug 4, 4:18 PM EDT	Areal Flood Advisory	ALY	Rensselaer, Saratoga, Warren, Washington	3 hr

Nearby

Tornado Warnings in New York, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.