Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Boston/Norton, MA

May 12, 1994Northwest Hills Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at May 12, 1994, 2:05 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 12, 1994, 2:05 PM EDT (18:05 UTC)
Expired
May 12, 1994, 3:00 PM EDT
In force
55 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Northwest Hills Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 6.1 hours before the alert went out and 106 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 1994-05-12Temperature 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 1994-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
647 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
198 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 
TTAA00 KBDL 121806 RRA
SVRBDL
CTC005-121900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
205 PM EDT THU MAY 12 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST CONNECTICUT
 
   ...LITCHFIELD COUNTY
 
A SEVERE THUNDERSTORM HAS MOVED INTO WESTERN LITCHFIELD COUNTY NEAR NEW
MILFORD AND IS MOVING EASTWARD AT 25 MPH. PEOPLE LIVING IN WATERBURY
SHOULD STAY ON THE LOOKOUT FOR THIS STORM AS STRONG GUSTY WINDS AND 3/4
INCH HAIL ARE POSSIBLE.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 12, 1:33 PM EDT, 32 minutes before
CTZ001-002-005>007-009>011-122200-
SPECIAL WEATHER STATEMENT...CORRECT
NATIONAL WEATHER SERVICE HARTFORD CT
133 PM EDT THU MAY 12 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL CONNECTICUT
COUNTIES WEST OF THE CONNECTICUT RIVER...

AT 130 PM EDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM CENTRAL NEW
JERSEY EXTENDING NORTHEASTWARD TO SOUTHWESTERN MASSACHUSETTS.  THESE
THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS UP TO 50 MPH...HEAVY
DOWNPOURS...FREQUENT LIGHTNING AND HAIL.  THESE STORMS SHOULD BE
ENTERING LITCHFIELD COUNTY BY 140 PM EDT AND WILL MOVE INTO HARTFORD
COUNTY BY 215 PM EDT.  PEOPLE LIVING IN THESE AREAS SHOULD BE PREPARED
TO TAKE COVER SHOULD THESE STORMS APPROACH THEIR AREA.

LISTEN TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER UPDATES ON THIS POTENTIALLY DANGEROUS SITUATION.

PIERCE
Special weather statement, May 12, 1:38 PM EDT, 27 minutes before
CTZ001-002-005>007-009>011-122200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
133 PM EDT THU MAY 12 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL CONNECTICUT
COUNTIES WEST OF THE CONNECTICUT RIVER...

AT 130 PM EDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM
CENTRAL NEW JERSEY EXTENDING NORTHEASTWARD TO SOUTHWESTERN
MASSACHUSETTS.  THESE THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS
UP TO 50 MPH...HEAVY DOWNPOURS...FREQUENT LIGHTNING AND HAIL.  THESE
STORMS SHOULD BE ENTERING LITCHFIELD COUNTY BY 140 PM EDT AND WILL
MOVE INTO HARTFORD COUNTY BY 215 PM EDT.  PEOPLE LIVING IN THESE AREAS
SHOULD BE PREPARED TO TAKE COVER SHOULD THESE STORMS APPROACH THEIR
AREA.

LISTEN TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER UPDATES ON THIS POTENTIALLY DANGEROUS SITUATION.

PIERCE
Special weather statement, May 12, 1:50 PM EDT, 15 minutes before
CTZ001-002-005>007-009>011-122200-
SPECIAL WEATHER STATEMENT...CORRECT
NATIONAL WEATHER SERVICE HARTFORD CT
133 PM EDT THU MAY 12 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL CONNECTICUT
COUNTIES WEST OF THE CONNECTICUT RIVER...

AT 130 PM EDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM CENTRAL NEW
JERSEY EXTENDING NORTHEASTWARD TO SOUTHWESTERN MASSACHUSETTS.  THESE
THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS UP TO 50 MPH...HEAVY
DOWNPOURS...FREQUENT LIGHTNING AND HAIL.  THESE STORMS SHOULD BE
ENTERING LITCHFIELD COUNTY BY 140 PM EDT AND WILL MOVE INTO HARTFORD
COUNTY BY 215 PM EDT.  PEOPLE LIVING IN THESE AREAS SHOULD BE PREPARED
TO TAKE COVER SHOULD THESE STORMS APPROACH THEIR AREA.

LISTEN TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER UPDATES ON THIS POTENTIALLY DANGEROUS SITUATION.

PIERCE

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.