Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Albany, NY

May 26, 2021Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at May 26, 2021, 7:59 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 26, 2021, 7:59 PM EDT (23:59 UTC)
Expired: May 26, 2021, 8:34 PM EDT
In force: 35 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), 87 km from the middle of the area, began a volume at 00:01 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.

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, 12.0 hours before the alert went out and 87 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.

958 
WUUS51 KALY 262359
SVRALY
CTC005-270100-
/O.NEW.KALY.SV.W.0018.210526T2359Z-210527T0100Z/

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

The National Weather Service in Albany has issued a

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

* Until 900 PM EDT.

* At 758 PM EDT, a severe thunderstorm was located over Litchfield,
  or 7 miles south of Torrington, moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Thomaston, Terryville, Oakville, Watertown, Plymouth, Allentown,
  Pequabuck, Reynolds Bridge, Hancock, Tolles, East Morris, Plymouth
  Green, Northfield, Delano Field and Terryville Station.

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 4171 7319 4173 7301 4164 7298 4163 7301
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316
TIME...MOT...LOC 2358Z 255DEG 52KT 4173 7316 

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

CS

1 follow-up statement

664 
WWUS51 KALY 270034
SVSALY

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

CTC005-270044-
/O.CAN.KALY.SV.W.0018.000000T0000Z-210527T0100Z/
Litchfield CT-
834 PM EDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LITCHFIELD COUNTY
IS CANCELLED...
        
The storm which prompted the warning has weakened below severe 
limits and has exited the warned area. Therefore, the warning has 
been cancelled.

LAT...LON 4171 7319 4173 7301 4164 7298 4163 7301
      4163 7302 4161 7302 4161 7306 4159 7306
      4159 7308 4157 7309 4156 7316
TIME...MOT...LOC 0033Z 255DEG 52KT 4186 7248 

$$

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, 7:31 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.