Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 2, NWS New York, NY

May 11, 1993Lower Connecticut River Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at May 11, 1993, 5:48 PM EDT for Lower Connecticut River Valley Planning Region, Connecticut. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
May 11, 1993, 5:48 PM EDT (21:48 UTC)
Expired
May 11, 1993, 6:30 PM EDT
In force
42 min
Issued by
NWS New York, NY
Area
Whole counties

County Lower Connecticut River Valley Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.8 hours before the alert went out and 176 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, Albany, NY at 12:00Z on 1993-05-11Temperature 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, Albany, NY at 12:00Z on 1993-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
1844 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
222 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 KBDR 112149 RRA
SVRBDR
CTC007-112230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BRIDGEPORT CT
548 PM EDT TUE MAY 11 1993
 
THE NATIONAL WEATHER SERVICE IN BRIDGEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...MIDDLESEX COUNTY
 
AT 545 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS IN NORTHERN
MIDDLESEX COUNTY MOVING SOUTHEAST AT 40 MILES AND HOUR.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 11, 4:40 PM EDT, 1 hour 8 minutes before
NYZ014>017-023-024-NJZ001-005-007-015-120100-

SPECIAL WEATHER STATEMENT-THUNDERSTORMS
NATIONAL WEATHER SERVICE NEW YORK NY
440 PM EDT THU MAY 11 1993

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHEASTERN NEW YORK AND
NORTHERN NEW JERSEY...

REPORTS FROM SPOTTERS HAVE INDICATED THAT SCATTERED THUNDERSTORMS WITH
LOCALLY STRONG GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WERE MOVING IN
A SOUTHEASTLY DIRECTION ACROSS ROCKLAND WESTCHESTER COUNTIES OF NEW
YORK STATE. THESE STORMS WERE ALSO ENTERING NORTHERN NEW JERSEY.

THE THREAT WILL CONTINUE UNTIL A COLD FRONT PRESENTLY OVER NORTHERN
NEW YORK STATE MOVES SOUTH OF THE REGION REACHING THE  COASTAL WATERS
BY ABOUT 9 PM.

GSK
Special weather statement, May 11, 4:40 PM EDT, 1 hour 8 minutes before
NYZ014>017-023-024-NJZ001-005-007-015-120100-

SPECIAL WEATHER STATEMENT-THUNDERSTORMS
NATIONAL WEATHER SERVICE NEW YORK NY
440 PM EDT THU MAY 11 1993

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHEASTERN NEW YORK AND
NORTHERN NEW JERSEY...

REPORTS FROM SPOTTERS HAVE INDICATED THAT SCATTERED THUNDERSTORMS WITH
LOCALLY STRONG GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WERE MOVING IN
A SOUTHEASTLY DIRECTION ACROSS ROCKLAND WESTCHESTER COUNTIES OF NEW
YORK STATE. THESE STORMS WERE ALSO ENTERING NORTHERN NEW JERSEY.

THE THREAT WILL CONTINUE UNTIL A COLD FRONT PRESENTLY OVER NORTHERN
NEW YORK STATE MOVES SOUTH OF THE REGION REACHING THE  COASTAL WATERS
BY ABOUT 9 PM.

GSK

Nearby

Severe Thunderstorm Warnings in Connecticut, 1993Every severe thunderstorm warning in 1993

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.