Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS New York, NY

April 1, 2016Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Apr 1, 2016, 7:22 PM EDT for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 28 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
Apr 1, 2016, 7:22 PM EDT (23:22 UTC)
Expired
Apr 1, 2016, 7:50 PM EDT
In force
28 min
Issued by
NWS New York, NY
Area
Storm-based polygon

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 78 km from the middle of the area, began a volume at 23:24 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.4 hours before the alert went out and 78 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 2016-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2016-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 square meters per square second.1939587897Sfc1 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
655 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

103 
WUUS51 KOKX 012322
SVROKX
CTC007-009-020000-
/O.NEW.KOKX.SV.W.0013.160401T2322Z-160402T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
722 PM EDT FRI APR 1 2016

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MIDDLESEX COUNTY IN SOUTHERN CONNECTICUT...
  CENTRAL NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT...

* UNTIL 800 PM EDT

* AT 721 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED OVER CHESHIRE...OR NEAR
  WALLINGFORD...AND MOVING NORTHEAST AT 70 MPH.

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MERIDEN...GUILFORD...DURHAM...HARTFORD AND MIDDLEFIELD AROUND 730 PM 
  EDT. 
  MIDDLETOWN AND BERLIN AROUND 735 PM EDT. 
  EAST HAMPTON...ROCKY HILL...CROMWELL...PORTLAND...HADDAM AND LAKE 
  POCOTOPAUG--EAST HAMPTON AROUND 740 PM EDT. 
  EAST HADDAM AND MARLBOROUGH AROUND 745 PM EDT. 
  COLCHESTER AROUND 750 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGGANUM
AND MOODUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4153 7243 4153 7239 4134 7293 4150 7304
      4156 7290 4156 7288 4154 7285 4157 7284
      4157 7283 4155 7282 4157 7280 4158 7275
      4159 7275 4161 7272 4163 7271 4165 7253
      4164 7250
TIME...MOT...LOC 2321Z 242DEG 59KT 4146 7290 

$$

JMC
1 follow-up statement
479 
WWUS51 KOKX 012350
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
750 PM EDT FRI APR 1 2016

CTC007-009-012359-
/O.CAN.KOKX.SV.W.0013.000000T0000Z-160402T0000Z/
MIDDLESEX CT-NEW HAVEN CT-
750 PM EDT FRI APR 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MIDDLESEX AND CENTRAL
NEW HAVEN COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THE WARNING HAS THEREFORE BEEN CANCELLED.

LAT...LON 4153 7243 4153 7239 4134 7293 4150 7304
      4156 7290 4156 7288 4154 7285 4157 7284
      4157 7283 4155 7282 4157 7280 4158 7275
      4159 7275 4161 7272 4163 7271 4165 7253
      4164 7250
TIME...MOT...LOC 2348Z 242DEG 59KT 4168 7235 

$$

JMC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 4:00 AM EDTHigh Wind WatchOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region25 hr
Apr 1, 6:41 PM EDTSpecial Weather StatementOKX34 min
Apr 1, 7:10 PM EDTSpecial Weather StatementOKX35 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2016Every severe thunderstorm warning in 2016

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.