Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Boston/Norton, MA

May 25, 1994Southeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at May 25, 1994, 6:18 PM EDT for Southeastern Connecticut Planning Region, Connecticut. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 25, 1994, 6:18 PM EDT (22:18 UTC)
Expired
May 25, 1994, 7:15 PM EDT
In force
57 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Southeastern Connecticut Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 10.3 hours before the alert went out and 178 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, Chatham, MA at 12:00Z on 1994-05-25Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1994-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2042 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KBDL 252218 RRA
SVRBDL
CTC011-252315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
618 PM EDT WED MAY 25 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST CONNECTICUT
 
   ...SOUTHERN NEW LONDON COUNTY
 
A SEVER THUNDERSTORM IS MOVING EAST TOWARD OLD LYME IN NEW LONDON COUNTY
REPORTS OF I1/2 INCH HAIL AT OLD SAYBROOK AT 515 PM
 
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

Nearby

Severe Thunderstorm Warnings in Connecticut, 1994Every severe thunderstorm warning in 1994

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.