Alert archive / Connecticut / Tornado Warnings in 2019

Tornado Warning 1, NWS Boston/Norton, MA

April 26, 2019Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this tornado warning at Apr 26, 2019, 2:31 PM EDT for Northeastern Connecticut Planning Region, Connecticut. It was in force for 29 min. 2 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
Apr 26, 2019, 2:31 PM EDT (18:31 UTC)
Expired
Apr 26, 2019, 3:00 PM EDT
In force
29 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Northeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 94 km from the middle of the area, began a volume at 18:35 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
Apr 26, 2:36 PM EDTHAIL 1Willington, CT
Apr 26, 2:44 PM EDTHAIL 1.25Stafford, CT

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, 6.5 hours before the alert went out and 126 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 2019-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
735 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
471 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

232 
WFUS51 KBOX 261831
TORBOX
CTC013-015-261900-
/O.NEW.KBOX.TO.W.0001.190426T1831Z-190426T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
231 PM EDT FRI APR 26 2019

The National Weather Service in Boston/Norton has issued a

* Tornado Warning for...
  West central Windham County in northern Connecticut...
  Northeastern Tolland County in northern Connecticut...

* Until 300 PM EDT.
    
* At 231 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Willington, or 7 miles north of Mansfield, moving
  northeast at 35 mph.

  HAZARD...Tornado.

  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...
  Ashford around 240 PM EDT.
  Union around 250 PM EDT.

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 4181 7225 4184 7240 4203 7231 4203 7214
TIME...MOT...LOC 1831Z 205DEG 32KT 4190 7228 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Belk
1 follow-up statement
732 
WWUS51 KBOX 261855
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
255 PM EDT FRI APR 26 2019

CTC013-015-261904-
/O.EXP.KBOX.TO.W.0001.000000T0000Z-190426T1900Z/
Windham CT-Tolland CT-
255 PM EDT FRI APR 26 2019

...THE TORNADO WARNING FOR WEST CENTRAL WINDHAM AND NORTHEASTERN
TOLLAND COUNTIES WILL EXPIRE AT 300 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

As of 254 PM, there has not been confirmation of a tornado in 
Tolland or Windham Counties.

&&

LAT...LON 4181 7225 4184 7240 4203 7231 4203 7214
TIME...MOT...LOC 1854Z 205DEG 32KT 4208 7217 

$$

JWD

Nearby

Tornado Warnings in Connecticut, 2019Every tornado warning in 2019Tornadoes in 2019

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.