Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS Albany, NY

May 26, 2021Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at May 26, 2021, 7:31 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 59 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 26, 2021, 7:31 PM EDT (23:31 UTC)
Expired: May 26, 2021, 8:30 PM EDT
In force: 59 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Northwest Hills Planning Region, CT

The radar

The Brookhaven radar (KOKX), 109 km from the middle of the area, began a volume at 23:31 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 26, 7:34 PM EDT	TSTM WND DMG	1 Sse Litchfield, CT	TREES ON WIRES ON SOUTH STREET IN LITCHFIELD
May 26, 7:34 PM EDT	TSTM WND DMG	2 Se Litchfield, CT	TREE BRANCH ON WIRE RESULTING IN A FIRE
May 26, 7:35 PM EDT	TSTM WND DMG	New Hartford, CT	NUMEROUS TREES REPORTED DOWN
May 26, 7:38 PM EDT	TSTM WND DMG	2 E Litchfield, CT	DOWNED TREES AND WIRES ON MARSH ROAD AND BUELL ROAD
May 26, 7:50 PM EDT	TSTM WND DMG	Litchfield, CT	MULTIPLE TREES REPORTED DOWN
May 26, 7:51 PM EDT	TSTM WND DMG	Harwinton, CT	TREE DOWN IN HARWINTON

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 26, 12:59 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.5 hours before the alert went out and 109 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: 5 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 554 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

401 
WUUS51 KALY 262331
SVRALY
CTC005-270030-
/O.NEW.KALY.SV.W.0017.210526T2331Z-210527T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
731 PM EDT Wed May 26 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Central Litchfield County in northern Connecticut...

* Until 830 PM EDT.

* At 731 PM EDT, a severe thunderstorm was located near Litchfield,
  or near Torrington, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Torrington, New Hartford, Litchfield, New Hartford Center,
  Northwest Harwinton, Winsted, Harwinton, Barkhamsted, Goshen,
  Bantam, West Torrington, Torringford, Grappaville, Haight Vineyard,
  Mooreville, Nepaug, Kelly Corner, West Goshen, Beech Rock and
  Wrightville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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 4188 7330 4195 7290 4190 7291 4190 7294
      4185 7295 4184 7294 4181 7295 4180 7302
      4173 7300 4169 7333
TIME...MOT...LOC 2331Z 264DEG 31KT 4180 7321 

HAIL...<.75IN
WIND...60MPH
 
$$

CS

2 follow-up statements

722 
WWUS51 KALY 270018
SVSALY

Severe Weather Statement
National Weather Service Albany NY
818 PM EDT Wed May 26 2021

CTC005-270030-
/O.CON.KALY.SV.W.0017.000000T0000Z-210527T0030Z/
Litchfield CT-
818 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EAST CENTRAL LITCHFIELD COUNTY...

At 818 PM EDT, a severe thunderstorm was located over Burlington, or
near Bristol, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Torrington, Litchfield, Northwest Harwinton, Harwinton, Roraback
Lodge, Haight Vineyard, Litchfield Green, Nepaug, Puddle Town, East
Litchfield, Browns Corner, Bakersville, Newberry Corner, Town Hill,
Maple Hollow and Torringford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 7319 4177 7320 4188 7294 4185 7295
      4184 7294 4182 7295 4181 7295 4180 7302
      4173 7300
TIME...MOT...LOC 0018Z 263DEG 23KT 4174 7301 

HAIL...<.75IN
WIND...60MPH
 
$$

CS

390 
WWUS51 KALY 270022
SVSALY

Severe Weather Statement
National Weather Service Albany NY
822 PM EDT Wed May 26 2021

CTC005-270032-
/O.EXP.KALY.SV.W.0017.000000T0000Z-210527T0030Z/
Litchfield CT-
822 PM EDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LITCHFIELD COUNTY
WILL EXPIRE AT 830 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 4171 7319 4177 7320 4188 7294 4185 7295
      4184 7294 4182 7295 4181 7295 4180 7302
      4173 7300
TIME...MOT...LOC 0022Z 264DEG 31KT 4174 7297 

$$

CS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 5:54 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	66 min
May 26, 6:54 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	66 min
May 26, 7:07 PM EDT	Special Weather Statement	ALY		38 min
May 26, 7:08 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	67 min
May 26, 7:26 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	64 min
May 26, 7:59 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	35 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2021 Every 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.