Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 23, NWS Boston/Norton, MA

June 27, 1994Northwest Hills Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 27, 1994, 4:02 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1994, 4:02 PM EDT (20:02 UTC)
Expired
Jun 27, 1994, 5:00 PM EDT
In force
58 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, 8.0 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 1994-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 151 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 1994-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
151 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
101 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 272005 RRA
SVRBDL
CTC005-272100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
402 PM EDT MON JUN 27 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST CONNECTICUT
 
   ...LITCHFIELD COUNTY
 
A SEVERE THUNDERSTORM ACROSS SOUTHWESTERN FAIRFIELD COUNTY OF
CONNECTICUT IS MOVING NORTH NORTHEAST AT 45 MPH AND WILL BE MOVING INTO
SOUTHERN LITCHFIELD COUNTY BETWEEN NEW MILFORD AND WATERTOWN BY 410 PM
EDT. THIS STORM HAS A HISTORY OF PRODUCING STRONG AND DAMAGING WINDS IN
FAIRFIELD COUNTY.
 
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 27, 1:14 PM EDT, 2 hours 48 minutes before
MAZALL-501-502-503-504-RIZALL-501-502-271900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
114 PM EDT MON JUN 27 1994

SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS MASSACHUSETTS AND RHODE
ISLAND THIS AFTERNOON AND EVENING.  SOME STORMS ARE MOVING INTO WESTERN
MASSACHUSETTS AT 100 PM THIS AFTERNOON.  A SEVERE THUNDERSTORM WATCH
IS IN EFFECT FOR NEIGHBORING CONNECTICUT UNTIL 8 PM.

THE NATIONAL WEATHER SERVICE WILL WATCH CONDITIONS CLOSELY THROUGHOUT
THE AFTERNOON.  STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION
OR TO NOAA WEATHER RADIO FOR ANY UPDATES ON THIS DEVELOPING WEATHER
SITUATION.

VALLIER-TALBOT/DUNHAM
/
Special weather statement, Jun 27, 1:15 PM EDT, 2 hours 47 minutes before
MAZALL-501-502-503-504-RIZALL-501-502-271900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
114 PM EDT MON JUN 27 1994

SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS MASSACHUSETTS AND RHODE
ISLAND THIS AFTERNOON AND EVENING.  SOME STORMS ARE MOVING INTO WESTERN
MASSACHUSETTS AT 100 PM THIS AFTERNOON.  A SEVERE THUNDERSTORM WATCH
IS IN EFFECT FOR NEIGHBORING CONNECTICUT UNTIL 8 PM.

THE NATIONAL WEATHER SERVICE WILL WATCH CONDITIONS, CLOSELY THROUGHOUT
THE AFTERNOON.  STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION
OR TO NOAA WEATHER RADIO FOR ANY UPDATES ON THIS DEVELOPING WEATHER
SITUATION.

VALLIER-TALBOT/DUNHAM
Special weather statement, Jun 27, 2:15 PM EDT, 1 hour 47 minutes before
RIZ001>007-RIZ502-272200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
215 PM EDT MON JUN 27 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF RHODE
ISLAND UNTIL 800 PM THIS EVENING...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PROVIDENCE...KENT AND
BRISTOL COUNTIES OF RHODE ISLAND AND ADJACENT COASTAL WATERS THIS
AFTERNOON AND EVENING UNTIL 800 PM.  THE WATCH MEANS THAT THE
POTENTIAL EXISTS FOR SEVERE THUNDERSTORMS THAT COULD PRODUCE DAMAGING
WINDS...LARGE HAIL AND DANGEROUS LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.

MARSH
Special weather statement, Jun 27, 2:21 PM EDT, 1 hour 41 minutes before
RIZ001>007-RIZ502-272200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
215 PM EDT MON JUN 27 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF RHODE
ISLAND UNTIL 800 PM THIS EVENING...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PROVIDENCE...KENT AND
BRISTOL COUNTIES OF RHODE ISLAND AND ADJACENT COASTAL WATERS THIS
AFTERNOON AND EVENING UNTIL 800 PM.  THE WATCH MEANS THAT THE
POTENTIAL EXISTS FOR SEVERE THnUNDERSTORMS THAT COULD PRODUCE DAMAGING
WINDS...LARGE HAIL AND DANGEROUS LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.

MARSH
Special weather statement, Jun 27, 2:35 PM EDT, 1 hour 27 minutes before
MAZALL-MAZ501>504-RIZALL-RIZ501-502-CTZALL-280000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
235 PM EDT MON JUN 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF MASSACHUSETTS...
...RHODE ISLAND...AND ALL OF CONNECTICUT UNTIL 800 PM...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF MASSACHUSETTS AND
RHODE ISLAND...EXCEPT CAPE COD AND THE ISLANDS AND SOUTH COASTAL RHODE
ISLAND.  A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR ALL OF
CONNECTICUT.  AT 230 PM WEATHER SERVICE RADAR SHOWED AN AREA OF
SHOWERS AND THUNDERSTORMS OVER WESTERN MASSACHUSETTS MOVING NORTH INTO
SOUTHERN VERMONT AND SOUTHWESTERN NEW HAMPSHIRE.  NO SEVERE WEATHER
HAS BEEN REPORTED ACROSS SOUTHERN NEW ENGLAND AS OF 230 PM.

IF YOU HAVE TO TRAVEL OR BE OUTSIDE THIS AFTERNOON REMAIN ALERT FOR
THREATENING WEATHER.  STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION
STATIONS OR NOAA WEATHER RADIO FOR ANY FURTHER INFORMATION OR WARNINGS
ON THIS DEVELOPING WEATHER SITUATION.

HANLEY
Special weather statement, Jun 27, 2:35 PM EDT, 1 hour 27 minutes before
MAZALL-MAZ501>504-RIZALL-RIZ501-502-CTZALL-280000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
235 PM EDT MON JUN 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF MASSACHUSETTS...
...RHODE ISLAND...AND ALL OF CONNECTICUT UNTIL 800 PM...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF MASSACHUSETTS AND
RHODE ISLAND...EXCEPT CAPE COD AND THE ISLANDS AND SOUTH COASTAL RHODE
ISLAND.  A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR ALL OF
CONNECTICUT.  AT 230 PM WEATHER SERVICE RADAR SHOWED AN AREA OF
SHOWERS AND THUNDERSTORMS OVER WESTERN MASSACHUSETTS MOVING NORTH INTO
SOUTHERN VERMONT AND SOUTHWESTERN NEW HAMPSHIRE.  NO SEVERE WEATHER
HAS BEEN REPORTED ACROSS SOUTHERN NEW ENGLAND AS OF 230 PM.

IF YOU HAVE TO TRAVEL OR BE OUTSIDE THIS AFTERNOON REMAIN ALERT FOR
THREATENING WEATHER.  STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION
STATIONS OR NOAA WEATHER RADIO FOR ANY FURTHER INFORMATION OR WARNINGS
ON THIS DEVELOPING WEATHER SITUATION.

HANLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 4:46 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region59 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.