Alert archive / Connecticut / Tornado Warnings in 2018

Tornado Warning 4, NWS Albany, NY

May 15, 2018Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this tornado warning at May 15, 2018, 3:38 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 22 min. 6 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 15, 2018, 3:38 PM EDT (19:38 UTC)
Expired: May 15, 2018, 4:00 PM EDT
In force: 22 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 in

County Northwest Hills Planning Region, CT

The radar

The Albany radar (KENX), 114 km from the middle of the area, began a volume at 19:40 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 15, 3:44 PM EDT	TORNADO	Winsted, CT	EF1 TORNADO CONFIRMED IN WINSTED, CT. MAXIMUM ESTIMATED WIND WAS 95 MPH.
May 15, 3:45 PM EDT	TSTM WND DMG	Winsted, CT	TREE DOWN ACROSS NORTH MAIN STREET
May 15, 3:52 PM EDT	TORNADO	4 Nne New Hartford, CT	EFU TORNADO. PREVIOUSLY CONFIRMED FROM DAMAGE SURVEY.
May 15, 3:57 PM EDT	HAIL 1.5	6 Nne New Hartford, CT	GOLF BALL SIZE HAIL COVERING THE GROUND IN BARKHAMSTED
May 15, 4:00 PM EDT	TSTM WND DMG	Winsted, CT	TREES DOWN. ONE DOWN ON A CAR.
May 15, 4:00 PM EDT	NON-TSTM WND DMG	Winsted, CT	TREES DOWN. ONE DOWN ON A CAR.

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 15, 1:03 PM EDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.6 hours before the alert went out and 108 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

210 
WFUS51 KALY 151938
TORALY
CTC005-152000-
/O.NEW.KALY.TO.W.0004.180515T1938Z-180515T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Albany NY
338 PM EDT TUE MAY 15 2018

The National Weather Service in Albany has issued a

* Tornado Warning for...
  Northeastern Litchfield County in northern Connecticut...

* Until 400 PM EDT.
    
* At 337 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Norfolk, or 8 miles north of Torrington, moving
  east at 55 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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 Hartford and New Hartford Center around 350 PM EDT.
  Canton around 355 PM EDT.

Other locations impacted by this tornadic thunderstorm include South
Norfolk, North Green, Pleasant Valley, Mooreville, North Colebrook,
Riverton, Puddle Town, Mill Brook, Pine Meadow and Beech Rock.

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 4190 7291 4190 7294 4185 7295 4184 7294
      4183 7294 4191 7325 4203 7321 4204 7309
      4204 7301 4197 7303 4197 7289
TIME...MOT...LOC 1937Z 286DEG 47KT 4196 7313 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JEC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 2:57 PM EDT	Tornado Warning	ALY	Northwest Hills Planning Region	33 min
May 15, 2:58 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	62 min
May 15, 3:34 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	56 min
May 15, 4:28 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	32 min
May 15, 4:48 PM EDT	Tornado Warning	ALY	Northwest Hills Planning Region	19 min
May 15, 4:58 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	17 min

Nearby

Tornado Warnings in Connecticut, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.