Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 22, NWS Boston/Norton, MA

June 18, 1994Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 18, 1994, 5:56 PM EDT for Capitol Planning Region, Connecticut. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jun 18, 1994, 5:56 PM EDT (21:56 UTC)
Expired
Jun 18, 1994, 6:49 PM EDT
In force
53 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Capitol Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.9 hours before the alert went out and 142 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 1994-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1667 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, Albany, NY at 12:00Z on 1994-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
1667 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
6 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 182157 RRA
SVRBDL
CTC003-013-182300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
556 PM EDT SAT JUN 18 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL CONNECTICUT
 
   ...EASTERN HARTFORD COUNTY...TOLLAND COUNTY
 
RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER ENFIELD AND SOMERS.
THIS STORM IS MOVING SOUTH-SOUTHEAST AT 10 MPH AND MAY PRODUCE VERY
HEAVY RAIN...LARGE HAIL...GUSTY WINDS AND DANGEROUS LIGHTING. THE SHOULD
MOVE ACROSS EAST WINDSOR AND ELLINGTON BY 6:15 PM AND CONTINUE SOUTHEAST
INTO SOUTH WINDSOR...VERNON AND TOLLAND BY 645 PM.
WEATHER SPOTTER REPORTED 1/4-1/2 INCH HAIL IN ENFIELD AT 5:45 PM.
 
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, Jun 18, 5:08 PM EDT, 48 minutes before
MAZ011-012-182215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
508 PM EDT SAT JUN 18 1994

AT 507 PM...DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS
OVER THE EASTERN PORTION OF SPRINGFIELD AND IN LONGMEADOW AND EAST
LONGMEADOW. TORRENTIAL RAINS OF 2 INCHES PER HOUR OR MORE ARE POSSIBLE
WITH THESE STORMS. THE STORMS WERE DRIFTING TO THE SOUTHEAST AT 10 MPH.

LOCALIZED STREET FLOODING MAY OCCUR WITH THESE STORMS...ALONG WITH
FREQUENT CLOUD TO GROUND LIGHTNING.  ALL PERSONS IN THE PATH OF THIS
CLUSTER OF STORMS SHOULD MOVE TO A PLACE OF SAFETY.

FIELD
Special weather statement, Jun 18, 5:12 PM EDT, 44 minutes before
CTZ001>004-008012-182300-

SPECIAL WEATHER STATEMENT-CORRECTED FOR TIME
NATIONAL WEATHER SERVICE HARTFORD CT
512 PM EDT SAT JUN 18 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CONNECTICUT
UNTIL 900 PM EDT THIS EVENING...
.

AT 505 PM EDT RADAR INDICATED A THUNDERSTORM ENTERING NORTHERN
HARTFORD COUNTY AROUND SUFFIELD. ANOTHER THUNDERSTORM WAS LOCATED JUST
EAST SOUTHEAST OF SPRINGFIELD MASSACHUSETTS MOVING SOUTH SOUTHEAST
TOWARDS NORTHERN TOLLAND COUNTY.  THESE THUNDERSTORMS COULD CONTAIN
VERY HEAVY RAINFALL OF 2 INCHES PER HOUR...GUSTY WINDS AND DANGEROUS
CLOUD TO GROUND LIGHTNING. LOCALIZED STREET FLOODING MAY OCCUR WITH
THESE STORMS.  THUNDERSTORMS ARE DRIFTING SOUTH SOUTHEAST AT 10 MPH.

CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS ACROSS CONNECTICUT THIS EVENING.

STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR LATER UPDATES OR POSSIBLE WARNINGS.

NOTCHEY
Special weather statement, Jun 18, 5:15 PM EDT, 41 minutes before
CTZ001>004-008012-182300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
412 PM EDT SAT JUN 18 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CONNECTICUT
UNTIL 900 PM EDT THIS EVENING...
.

AT 405 PM EDT RADAR INDICATED A THUNDERSTORM ENTERING NORTHERN
HARTFORD COUNTY AROUND SUFFIELD. ANOTHER THUNDERSTORM WAS LOCATED JUST
EAST SOUTHEAST OF SPRINGFIELD MASSACHUSETTS MOVING SOUTH SOUTHEAST
TOWARDS NORTHERN TOLLAND COUNTY.  THESE THUNDERSTORMS COULD CONTAIN
VERY HEAVY RAINFALL OF 2 INCHES PER HOUR...GUSTY WINDS AND DANGEROUS
CLOUD TO GROUND LIGHTNING. LOCALIZED STREET FLOODING MAY OCCUR WITH
THESE STORMS.  THUNDERSTORMS ARE DRIFTING SOUTH SOUTHEAST AT 10 MPH.

CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS ACROSS CONNECTICUT THIS EVENING.

STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR LATER UPDATES OR POSSIBLE WARNINGS.

NOTCHEY
Special weather statement, Jun 18, 5:22 PM EDT, 34 minutes before
CTZ001>004-008012-182300-

SPECIAL WEATHER STATEMENT-CORRECTED FOR TIME
NATIONAL WEATHER SERVICE HARTFORD CT
512 PM EDT SAT JUN 18 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CONNECTICUT
UNTIL 900 PM EDT THIS EVENING...
.

AT 505 PM EDT RADAR INDICATED A THUNDERSTORM ENTERING NORTHERN
HARTFORD COUNTY AROUND SUFFIELD. ANOTHER THUNDERSTORM WAS LOCATED JUST
EAST SOUTHEAST OF SPRINGFIELD MASSACHUSETTS MOVING SOUTH SOUTHEAST
TOWARDS NORTHERN TOLLAND COUNTY.  THESE THUNDERSTORMS COULD CONTAIN
VERY HEAVY RAINFALL OF 2 INCHES PER HOUR...GUSTY WINDS AND DANGEROUS
CLOUD TO GROUND LIGHTNING. LOCALIZED STREET FLOODING MAY OCCUR WITH
THESE STORMS.  THUNDERSTORMS ARE DRIFTING SOUTH SOUTHEAST AT 10 MPH.

CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS ACROSS CONNECTICUT THIS EVENING.

STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR LATER UPDATES OR POSSIBLE WARNINGS.D

NOTCHEY
Special weather statement, Jun 18, 5:35 PM EDT, 21 minutes before
MAZ013-014-015-016-017-018-019-501-182230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
535 PM EDT SAT JUN 18 1994

AT 535 PM...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH
TORRENTIAL DOWNPOURS IN NORFOLK COUNTY ALONG THE NORWOOD...SHARON LINE.
THE STORM WAS DRIFTING TO THE SOUTHEAST AT ONLY 5 MPH.

PEOPLE IN EASTERN AND SOUTHERN NORFOLK COUNTY...FROM FOXBORO TO
STOUGHTON AND RANDOLPH...SHOULD MOVE INDOORS TO A PLACE OF SAFETY UNTIL
THE STORM PASSES.

FIELD

EASANT VIEW...ROCKY FLATS...WESTMINSTER
     AND WHEAT RIDGE

AT 310 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER EDGEWATER...OR ABOUT 10 MILES WEST
OF DENVER.

THE PUBLIC REPORTED THREE QUARTER INCH HAIL IN ARVADA AT 310PM.

THE STORM WAS MOVING NORTH AT 10 MPH.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

A TORNADO WATCH REMAINS IN EFFECT FOR NORTH CENTRAL AND EASTERN
COLORADO UNTIL 700PM MDT.  SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  PREPARE TO MOVE
TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 3971 10500 3970 10517 3990 10524 3990 10506
Special weather statement, Jun 18, 5:35 PM EDT, 21 minutes before
MAZ013-014-015-016-017-018-019-501-182230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
535 PM EDT SAT JUN 18 1994

AT 535 PM...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH
TORRENTIAL DOWNPOURS IN NORFOLK COUNTY ALONG THE NORWOOD...SHARON LINE.
THE STORM WAS DRIFTING TO THE SOUTHEAST AT ONLY 5 MPH.

PEOPLE IN EASTERN AND SOUTHERN NORFOLK COUNTY...FROM FOXBORO TO
STOUGHTON AND RANDOLPH...SHOULD MOVE INDOORS TO A PLACE OF SAFETY UNTIL
THE STORM PASSES.

FIELD

EASANT VIEW...ROCKY FLATS...WESTMINSTER
     AND WHEAT RIDGE

AT 310 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER EDGEWATER...OR ABOUT 10 MILES WEST
OF DENVER.

THE PUBLIC REPORTED THREE QUARTER INCH HAIL IN ARVADA AT 310PM.

THE STORM WAS MOVING NORTH AT 10 MPH.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

A TORNADO WATCH REMAINS IN EFFECT FOR NORTH CENTRAL AND EASTERN
COLORADO UNTIL 700PM MDT.  SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  PREPARE TO MOVE
TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 3971 10500 3970 10517 3990 10524 3990 10506

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 5:56 PM EDTSevere Thunderstorm WarningBOX64 min

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.