Alert archive / Connecticut / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 21, NWS Albany, NY

June 11, 2026Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at Jun 11, 2026, 3:44 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 31 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
Jun 11, 2026, 3:44 PM EDT (19:44 UTC)
Expired
Jun 11, 2026, 4:15 PM EDT
In force
31 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), 91 km from the middle of the area, began a volume at 19:47 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

TimeReportWhereRemark
Jun 11, 3:45 PM EDTTSTM WND DMGBantam, CTTree down on wires on West Morris Road in the town of Bantam.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 91 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, Brookhaven, NY at 12:00Z on 2026-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 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, Brookhaven, NY at 12:00Z on 2026-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 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
334 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

473 
WUUS51 KALY 111944
SVRALY
CTC005-112015-
/O.NEW.KALY.SV.W.0021.260611T1944Z-260611T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
344 PM EDT Thu Jun 11 2026

The National Weather Service in Albany has issued a

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

* Until 415 PM EDT.

* At 344 PM EDT, a severe thunderstorm was located near Litchfield,
  or 7 miles southwest of Torrington, moving southeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Torrington, Thomaston, Litchfield, Northwest Harwinton, Oakville,
  New Preston, Terryville, Cornwall Bridge, Woodbury Center,
  Watertown, Plymouth, Woodbury, Harwinton, Bethlehem, Washington,
  Goshen, Morris, Warren, Cornwall, and Bantam.

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 4151 7326 4177 7346 4186 7336 4191 7324
      4181 7295 4181 7298 4180 7302 4164 7298
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316 4152 7316
      4151 7320
TIME...MOT...LOC 1944Z 314DEG 34KT 4178 7325 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TWH
3 follow-up statements
968 
WWUS51 KALY 111955
SVSALY

Severe Weather Statement
National Weather Service Albany NY
355 PM EDT Thu Jun 11 2026

CTC005-112015-
/O.CON.KALY.SV.W.0021.000000T0000Z-260611T2015Z/
Litchfield CT-
355 PM EDT Thu Jun 11 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHERN LITCHFIELD COUNTY...

At 354 PM EDT, a severe thunderstorm was located near Thomaston, or
10 miles northwest of Wolcott, moving southeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Thomaston and Oakville around 400 PM EDT.

Other locations impacted by this severe thunderstorm include West
Torrington, Grappaville, Hotchkissville, Haight Vineyard, Pequabuck,
Reynolds Bridge, Hancock, Pomeraug, Washington, and Wrightville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 7342 4185 7317 4177 7301 4164 7298
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316 4152 7316
      4151 7320 4151 7326
TIME...MOT...LOC 1954Z 316DEG 35KT 4168 7315 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TWH
142 
WWUS51 KALY 112008
SVSALY

Severe Weather Statement
National Weather Service Albany NY
408 PM EDT Thu Jun 11 2026

CTC005-112015-
/O.CON.KALY.SV.W.0021.000000T0000Z-260611T2015Z/
Litchfield CT-
408 PM EDT Thu Jun 11 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHEASTERN LITCHFIELD COUNTY...

At 408 PM EDT, a severe thunderstorm was located over Middlebury, or
near Naugatuck, moving southeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
southeastern Litchfield County, including the following locations...
Hotchkissville, Reynolds Bridge, Hancock, Pomeraug, Washington,
Woodbury, Gulls Hollow, Plymouth Green, Northfield, and Morris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4165 7337 4175 7310 4167 7299 4164 7298
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316 4152 7316
      4151 7320 4151 7326
TIME...MOT...LOC 2008Z 327DEG 34KT 4151 7314 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TWH
201 
WWUS51 KALY 112015
SVSALY

Severe Weather Statement
National Weather Service Albany NY
415 PM EDT Thu Jun 11 2026

CTC005-112025-
/O.EXP.KALY.SV.W.0021.000000T0000Z-260611T2015Z/
Litchfield CT-
415 PM EDT Thu Jun 11 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LITCHFIELD COUNTY
HAS EXPIRED...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

&&

LAT...LON 4165 7337 4175 7310 4167 7299 4164 7298
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316 4152 7316
      4151 7320 4151 7326
TIME...MOT...LOC 2015Z 314DEG 34KT 4148 7309 

$$

TWH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:14 PM EDTSpecial Weather StatementALY31 min
Jun 11, 3:37 PM EDTSpecial Weather StatementALY23 min
Jun 11, 4:14 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region46 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2026Every severe thunderstorm warning in 2026

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.