Alert archive / New York / Tornado Warnings in 2017

Tornado Warning 1, NWS Albany, NY

May 31, 2017Dutchess County, New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this tornado warning at May 31, 2017, 7:14 PM EDT for Dutchess County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 31 min. 5 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: May 31, 2017, 7:14 PM EDT (23:14 UTC)
Expired: May 31, 2017, 7:45 PM EDT
In force: 31 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

Counties Northwest Hills Planning Region, CT, Dutchess County, NY

The radar

The Brookhaven radar (KOKX), 94 km from the middle of the area, began a volume at 23:15 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
May 31, 7:15 PM EDT	TSTM WND DMG	Hopewell Junction, NY	TREES DOWN
May 31, 7:27 PM EDT	TSTM WND DMG	East Fishkill, NY	TREES DOWN
May 31, 7:30 PM EDT	TSTM WND DMG	Hurd Corners, NY	MULTIPLE MAPLE TREES DOWNED
May 31, 7:48 PM EDT	HAIL 1	New Milford, CT
May 31, 7:50 PM EDT	HAIL 1	2 Wnw Roxbury Station, CT

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
May 31, 1:22 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 94 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: -82 J/kg
Mixed-layer LCL: 434 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

846 
WFUS51 KALY 312314
TORALY
CTC005-NYC027-312345-
/O.NEW.KALY.TO.W.0001.170531T2314Z-170531T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Albany NY
714 PM EDT WED MAY 31 2017

The National Weather Service in Albany has issued a

* Tornado Warning for...
  Southwestern Litchfield County in northern Connecticut...
  Southeastern Dutchess County in east central New York...

* Until 745 PM EDT
    
* At 714 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Hopewell Junction, or 7 miles northwest of
  Pawling, moving southeast at 25 mph.

  HAZARD...Tornado and half dollar size hail. 

  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...
  Wingdale around 730 PM EDT. 
  Pawling around 735 PM EDT. 
  Gaylordsville around 740 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Stormville, Baker Corner, Beekman, South Dover, Hoxie Corner,
Candlewood Trails, Clove Valley, Lower Merryall, Poughquag and
Billings.

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 4149 7337 4151 7339 4149 7344 4160 7348
      4158 7353 4153 7353 4151 7373 4157 7387
      4173 7375 4167 7351 4159 7352 4161 7348
      4163 7350 4165 7349 4167 7349 4159 7322
      4151 7327 4150 7332 4147 7332
TIME...MOT...LOC 2314Z 293DEG 21KT 4162 7373 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

JPV

1 follow-up statement

877 
WWUS51 KALY 312337
SVSALY

Severe Weather Statement
National Weather Service Albany NY
737 PM EDT WED MAY 31 2017

CTC005-NYC027-312345-
/O.CON.KALY.TO.W.0001.000000T0000Z-170531T2345Z/
Litchfield CT-Dutchess NY-
737 PM EDT WED MAY 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHWESTERN LITCHFIELD AND SOUTHEASTERN DUTCHESS COUNTIES...
    
At 737 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Sherman, moving east at 30 mph.

HAZARD...Tornado and quarter size hail. 

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...
  New Milford around 745 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Northville, Merwinsville, Candlewood Springs, Baker Corner, South
Dover, River Road Reserve, Candlewood Trails, Hickory Haven, Lower
Merryall and Boardman 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.

&&

LAT...LON 4149 7337 4151 7339 4149 7344 4160 7348
      4158 7353 4153 7353 4153 7357 4160 7361
      4168 7357 4167 7351 4159 7352 4161 7348
      4163 7350 4165 7349 4167 7349 4159 7322
      4151 7327 4150 7332 4147 7332
TIME...MOT...LOC 2337Z 280DEG 24KT 4159 7349 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JPV

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 11:54 AM EDT	River Flood Warning	ALY	Oneida	38 hr
May 31, 12:35 PM EDT	Special Weather Statement	ALY	Hamilton	55 min
May 31, 1:29 PM EDT	Special Weather Statement	ALY	Hamilton	61 min
May 31, 3:07 PM EDT	Special Weather Statement	ALY	Warren	53 min
May 31, 3:19 PM EDT	Special Weather Statement	ALY	Montgomery, Schoharie	41 min
May 31, 3:27 PM EDT	Severe Thunderstorm Warning	ALY	Warren, Washington	33 min
May 31, 3:34 PM EDT	Severe Thunderstorm Warning	ALY	Warren, Washington	41 min
May 31, 3:44 PM EDT	Special Weather Statement	ALY	Saratoga	46 min
May 31, 4:02 PM EDT	Special Weather Statement	ALY	Schenectady	28 min
May 31, 4:06 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Montgomery, Rensselaer, Saratoga, Schenectady, Washington	54 min
May 31, 4:14 PM EDT	Severe Thunderstorm Warning	ALY	Saratoga, Warren, Washington	51 min
May 31, 4:25 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	65 min
May 31, 4:43 PM EDT	Areal Flood Advisory	ALY	Albany, Rensselaer, Saratoga, Schenectady	2 hr
May 31, 4:55 PM EDT	Special Weather Statement	ALY	Herkimer	35 min
May 31, 4:59 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Greene	46 min
May 31, 5:00 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Washington	60 min
May 31, 5:36 PM EDT	Special Weather Statement	ALY	Hamilton	24 min
May 31, 5:50 PM EDT	Special Weather Statement	ALY	Columbia	25 min
May 31, 5:57 PM EDT	Special Weather Statement	ALY	Ulster	33 min
May 31, 6:03 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Ulster	57 min
May 31, 6:13 PM EDT	Special Weather Statement	ALY	Dutchess	47 min
May 31, 6:16 PM EDT	Special Weather Statement	ALY	Columbia	29 min
May 31, 6:44 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Ulster	61 min
May 31, 7:44 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	46 min
May 31, 7:46 PM EDT	Special Weather Statement	ALY		29 min

Nearby

Tornado Warnings in New York, 2017 Tornado Warnings in Connecticut, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.