Alert archive / Connecticut / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 36, NWS Boston/Norton, MA

August 11, 1992Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 11, 1992, 3:44 PM EDT for Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 11, 1992, 3:44 PM EDT (19:44 UTC)
Expired
Aug 11, 1992, 4:45 PM EDT
In force
61 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Northeastern Connecticut Planning Region, CT, Southeastern Connecticut Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 7.7 hours before the alert went out and 172 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 1992-08-11Temperature 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, Chatham, MA at 12:00Z on 1992-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
868 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
73 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 111945
SVRBDL
CTC015-011-112045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
344 PM EDT TUE AUG 11 1992
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST CONNECTICUT
 
   ...WINDHAM COUNTY
 
IN SOUTHEAST CONNECTICUT
 
   ...NEW LONDON COUNTY
 
AND THE ADJACENT COASTAL WATERS OF LONG ISLAND SOUND.
 
 
A SQUALL LINE OF POSSIBLE SEVERE THUNDERSTORMS ARE DEVELOPING FROM
DANIELSON CONNECTICUT SOUTHWEST TO NEAR MIDDLETOWN CONNECTICUT. THESE
STORMS ARE MOVING JUST SOUTH OF EAST AT 25 MPH.  HAIL HAS BEEN
REPORTED IN STORMS ACROSS NEW HAVEN AND FAIRFIELD COUNTIES AND THIS
LINE IS ENTERING VERY UNSTABLE AIR.
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR SEVERE WEATHER REfPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
OFFICE.
 
WHITTIER

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, Aug 11, 11:19 AM EDT, 4 hours 25 minutes before
CTZALL-MAZALL-RIZALL-111900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
1118 AM EDT TUE AUG 11 1992

...THUNDERSTORMS WITH HIGH WIND ARE POSSIBLE FOR A SMALL PORTION OF
SOUTHERN NEW ENGLAND DURING MID OR LATE AFTERNOON...

THE PRIMARY TARGET OF POTENTIALLY SEVERE WEATHER APPEARS TO BE SETTING
UP ALONG AND EAST OF THE CONNECTICUT RIVER VALLEY. THIS ESSENTIALLY
INCLUDES EASTERN MASSACHUSETTS...RHODE ISLAND...THE SOUTH AND EAST
PORTION OF CONNECTICUT.  THE BEST TIME FOR STRONG WIND GUSTS FROM ANY
THUNDERSTORMS SHOULD BE BETWEEN 3 AND 7 PM.

THUNDERSTORMS ARE NOT GUARANTEED THIS AFTERNOON AND RADAR AT 1115 AM
SHOWED NO THUNDERSTORMS IN OR NEAR SOUTHERN NEW ENGLAND.

IF YOU HAVE PLANS TO BE OUTDOORS GOLFING...ON THE BEACH OR
SHOPPING...YOU SHOULD BE ALERT FOR A BRIEF BUT STRONG THUNDERSTORM
LATE IN THE DAY.

NO WATCHES OR WARNINGS ARE IN EFFECT FOR SOUTHERN NEW ENGLAND AT THIS
TIME AND NONE ARE EXPECTED UNTIL  MID AFTERNOON...IF AT ALL.

DRAG
Special weather statement, Aug 11, 2:07 PM EDT, 1 hour 37 minutes before
MAZALL-RIZALL-CTZALL-120100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
200 PM EDT TUE AUG 11 1992

...SEVERE THUNDERSTORM WATCH FOR MOST OF SOUTHERN NEW ENGLAND...

SEVERE THUNDERSTORM WATCH NUMBER 754 HAS BEEN ISSUED FOR ALL OF RHODE
ISLAND...CONNECTICUT AND MOST OF MASSACHUSETTS EXCEPT FOR NORTHWEST
PORTIONS OF THE STATE AND EASTERN CAPE COD...EFFECTIVE UNTIL 9 PM EDT.

THE ATMOSPHERE OVER MOST OF SOUTHERN NEW ENGLAND HAS BECOME VERY MOIST
AND UNSTABLE IN ADVANCE OF A COLD FRONT PRESENTLY MOVING ACROSS
EASTERN PORTIONS OF NEW YORK AND PENNSYLVANIA.  AS THE COLD FRONT
APPROACHES SOUTHERN NEW ENGLAND...THE POTENTIAL FOR SEVERE
THUNDERSTORM DEVELOPMENT WILL INCREASE.

AT 2 PM EDT THERE WERE NO THUNDERSTORMS OVER SOUTHERN NEW
ENGLAND...BUT SOME POTENTIALLY SEVERE THUNDERSTORMS HAVE DEVELOPED
OVER NORTHERN NEW JERSEY AND SOUTHEAST NEW YORK STATE.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIPE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS...WITH THE POTENTIAL FOR DAMAGING
WINDS. IF SEVERE WEATHER SHOULD DEVELOP...A SEVERE THUNDERSTORM
WARNING WILL BE ISSUED.

THE NEXT STATEMENT ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION
WILL BE ISSUED AS NEEDED.

GURKA
Special weather statement, Aug 11, 3:05 PM EDT, 39 minutes before
CTZALL-MAZ005-042130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
305 PM EDT TUE AUG 4 1992

...THUNDERSTORMS CONTINUE TO DEVELOP AND MOVE INTO FAIRFIELD COUNTY...

AT 255 PM...A LINE OF THUNDERSTORMS STRETCHED FROM MERIDEN CONNECTICUT
SOUTHWEST TO NEAR RIDGEFIELD AND THEN WEST TO NORTHEASTERN
PENNSYLVANIA.  THE STRONGEST THUNDERSTORMS ARE ALONG THE CONNECTICUT/
NEW YORK BORDER ABOUT READY TO ENTER RIDGEFIELD CONNECTICUT AND NEAR
MERIDEN CONNECTICUT.  RADAR INDICATES THESE STORMS MAY CONTAIN HAIL
AND WAS MOVING SOUTHEAST AT 25 MILES AN HOUR.  A SPOTTER REPORT AT 300
PM INDICATED MARBLE SIZE HAIL IN WOLCOTT CONNECTICUT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF CONNECTICUT
AND HAMPDEN COUNTY OF MASSACHUSETTS UNTIL 9 PM EDT.  REMEMBER A SEVERE
THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF THUNDERSTORMS CONTAINING LARGE HAIL...DAMAGING WINDS...DEADLY
LIGHTNING AND VERY HEAVY RAINS.

IF THREATENING WEATHER APPROACHES SEEK SAFE SHELTER IMMEDIATELY UNTIL
THE STORM HAS PASSED.  STAY TUNED TO LOCAL RADIO STATIONS OR NOAA
WEATHER RADIO OR UPDATES ON THIS STORM SITUATION.

IF YOU WITNESS SEVERE WEATHER...REPORT TO YOUR LOCAL POLICE AND ASK
THEM TO RELAY THE INFORMATION TO YOUR LOCAL NATIONAL WEATHER SERVICE
OFFICE.

WHITTIER
Special weather statement, Aug 11, 3:05 PM EDT, 39 minutes before
MAZALL-112100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
304 PM EDT TUE AUG 11 1992

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF
MASSACHUSETTS...

SEVERE THUNDERSTORM WATCH NUMBER 754 REMAINS IN EFFECT FOR MOST OF
MASSACHUSETTS EXCEPT FOR NORTHWEST AND EASTERN CAPE COD...EFFECTIVE
UNTIL 9 PM EDT.

AT 245 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS EXTENDING FROM CAPE ANN...TO SOUTHWEST OF BOSTON.
ANOTHER THUNDERSTORM WAS LOCATED NORTHEAST OF WORCESTER.  THESE STORMS
WERE MOVING TO THE EAST AT ABOUT 20 MPH.  SOME OF THESE STORMS HAD
HEAVY DOWNPOURS AND POSSIBLE HAIL.

BE ALERT FOR THREATENING WEATHER.  A SEVERE THUNDERSTORM WATCH MEANS
THAT CONDITIONS ARE RIPE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS...WITH THE POTENTIAL FOR DAMAGING WINDS AND HAIL. IF
SEVERE WEATHER SHOULD DEVELOP...A SEVERE THUNDERSTORM WARNING WILL BE
ISSUED.

THE NEXT STATEMENT ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION
WILL BE ISSUED AS NEEDED.

GURKA
Special weather statement, Aug 11, 3:27 PM EDT, 17 minutes before
RIZALL-112100-

SPECIAL WEATHER STATMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
325 PM EDT SUN AUG 9 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR RHODE ISLAND...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF RHODE ISLAND
INCLUDING NARRAGANSETT BAY AND THE ADJACENT COASTAL WATERS UNTIL 9 PM
TONIGHT.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS WITH DAMAGING WINDS...LARGE HAIL
AND DEADLY LIGHTNING.  IF SEVERE WEATHER SHOULD DEVELOP...WARNINGS
WILL BE ISSUED.

AT 315 PM WEATHER SERVICE RADAR INDICATED DEVELOPING THUNDERSTORMS ALONG
THE NORTHERN RHODE ISLAND...MASSACHUSETTS BORDER NEAR BURRILLVILLE AND
CUMBERLAND. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED EAST OF
HARTFORD CONNECTICUT.  SMALL HAIL WAS REPORTED WITH THIS THUNDERSTORM
IN WATERBURY CONNECTICUT.

ALL OF THE THUNDERSTORMS WERE MOVING EAST AROUND 20 MPH AND MAY BEGIN
TO EFFECT PARTS OF WE0STERN RHODE ISLAND BY 400 PM.

IF THREATENING WEATHER APPROACHES....HEAD INDOORS FOR SHELTER.

SISSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 4:46 PM EDTSevere Thunderstorm WarningBOXSoutheastern Connecticut Planning Region44 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1992Every severe thunderstorm warning in 1992

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.