Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 63, NWS Boston/Norton, MA

August 28, 1993Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 28, 1993, 4:21 PM EDT for Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Aug 28, 1993, 4:21 PM EDT (20:21 UTC)
Expired
Aug 28, 1993, 5:30 PM EDT
In force
69 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, 8.4 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 1993-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 208 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, Chatham, MA at 12:00Z on 1993-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
208 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1137 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-43 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 282022 RRA
SVRBDL
CTC015-011-282130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
421 PM EDT SAT AUG 28 1993
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST CONNECTICUT
 
   ...SOUTHERN WINDHAM COUNTY
 
IN SOUTHEAST CONNECTICUT
 
   ...NORTHERN NEW LONDON COUNTY
 
AND THE ADJACENT COASTAL WATERS OF LONG ISLAND SOUND.
 
 
A SEVERE THUNDERSTORM WAS REPORTED BY A WEATHER SPOTTER IN THE TOWN OF
SCOTLAND WITH WINDS APPROACHING 70 MILES PER HOUR. QUARTER INCH HAIL HAS
ALSO BEEN REPORTED WITH THESE STORMS AS WELL AS LIGHTNING STRIKES.
 
 
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.
 
 
 
&

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 28, 1:26 PM EDT, 2 hours 55 minutes before
RIZ001-002-502-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
120 PM EDT SAT AUG 28 1993

...93 DEGREE TEMPERATURES IN RHODE ISLAND FEEL MORE LIKE 100...

AT 100 PM THE TEMPERATURE AT THE PROVIDENCE NATIONAL WEATHER SERVICE
OFFICE IN RHODE ISLAND ROSE TO 93 DEGREES.  THE TEMPERATURE IS
COMBINING WITH HIGH HUMIDITY TO CREATE AN APPARENT TEMPERATURE AROUND
100 DEGREES.

HOT AND HUMID TROPICAL AIR WILL CONTINUE TO MOVE INTO RHODE ISLAND
ON SOUTHWESTERLY WINDS THE REST OF THIS AFTERNOON WITH TEMPERATURES
AWAY FROM THE SHORE REACHING 95 TO 100 DEGRESS HERE IN THE OCEAN
STATE...WITH APPARENT TEMPERATURES OF 100 TO 120.

PEOPLE IN RHODE ISLAND SHOULD TAKE IT SLOW THE RvEST OF THIS AFTERNOON.
THE DANGERS OF HEATSTROKE...SUNSTROKE...AND HEAT EXHAUTION ARE VERY
REAL.  DRINK PLEANTY OF NON ALCOHOLIC LIQUIDS AND STAY OUT OF THE SUN.

CARBONE
Special weather statement, Aug 28, 1:57 PM EDT, 2 hours 24 minutes before
RIZ001-002-502-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
    PM EDT SAT AUG 28 1993

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

AT 114 PM EDT THE NATIONAL SEVERE STROMS CENTER ISSUED A SEVERE
THUNDERSTORM WATCH FOR ALL OF RHODE ISLAND AND ITS ADJOINING COASTAL
AND BAY WATERS EFFECTIVE UNTIL 900 PM EDT.  THUNDERSTORMS SOME WITH
LARGE HAIL AND DAMAGING WINDS WILL BE MOVING THROUGH RHODE ISLAND
THIS AFTERNOON AND EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND NEAR THE WATCH AREA.  SHOULD SEVERE WEATHER
ACTUALLY MOVE INTO OR THREATEN THE AREA A SEVERE THUNDERSTORM WARNING
WILL BE ISSUED.

PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND GO TO A SAFE
SHELTER AS IT APPROACHES.  MARINERS SHOULD HEAD FOR A SAFE PORT NOW
BEFORE ANY SEVERE WEATHER ARRIVES.

CARBONE
Special weather statement, Aug 28, 1:57 PM EDT, 2 hours 24 minutes before
RIZ001-002-502-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
    PM EDT SAT AUG 28 1993

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

AT 114 PM EDT THE NATIONAL SEVERE STROMS CENTER ISSUED A SEVERE
THUNDERSTORM WATCH FOR ALL OF RHODE ISLAND AND ITS ADJOINING COASTAL
AND BAY WATERS EFFECTIVE UNTIL 900 PM EDT.  THUNDERSTORMS SOME WITH
LARGE HAIL AND DAMAGING WINDS WILL BE MOVING THROUGH RHODE ISLAND
THIS AFTERNOON AND EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND NEAR THE WATCH AREA.  SHOULD SEVERE WEATHER
ACTUALLY MOVE INTO OR THREATEN THE AREA A SEVERE THUNDERSTORM WARNING
WILL BE ISSUED.

PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND GO TO A SAFE
SHELTER AS IT APPROACHES.  MARINERS SHOULD HEAD FOR A SAFE PORT NOW
BEFORE ANY SEVERE WEATHER ARRIVES.

CARBONE
Special weather statement, Aug 28, 2:04 PM EDT, 2 hours 17 minutes before
RIZ001-002-502-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
204 PM EDT SAT AUG 28 1993

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

AT 114 PM EDT THE NATIONAL SEVERE STORMS CENTER ISSUED A SEVERE
THUNDERSTORM WATCH FOR ALL OF RHODE ISLAND AND ITS ADJOINING COASTAL
AND BAY WATERS EFFECTIVE UNTIL 900 PM EDT.  THUNDERSTORMS...SOME WITH
LARGE HAIL AND DAMAGING WINDS...WILL BE MOVING THROUGH RHODE ISLAND
THIS AFTERNOON AND EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND NEAR THE WATCH AREA.  SHOULD SEVERE WEATHER
ACTUALLY MOVE INTO OR THREATEN THE AREA A SEVERE THUNDERSTORM WARNING
WILL BE ISSUED.

PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND GO TO A SAFE
SHELTER AS IT APPROACHES.  MARINERS SHOULD HEAD FOR A SAFE PORT NOW
BEFORE ANY SEVERE WEATHER ARRIVES.  REMEMBER...ALL LIGHTNING CAN KILL.

CARBONE
Special weather statement, Aug 28, 2:05 PM EDT, 2 hours 16 minutes before
RIZ001-002-502-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PROVIDENCE RI
204 PM EDT SAT AUG 28 1993

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

AT 114 PM EDT THE NATIONAL SEVERE STORMS CENTER ISSUED A SEVERE
THUNDERSTORM WATCH FOR ALL OF RHODE ISLAND AND ITS ADJOINING COASTAL
AND BAY WATERS EFFECTIVE UNTIL 900 PM EDT.  THUNDERSTORMS...SOME WITH
LARGE HAIL AND DAMAGING WINDS...WILL BE MOVING THROUGH RHODE ISLAND
THIS AFTERNOON AND EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND NEAR THE WATCH AREA.  SHOULD SEVERE WEATHER
ACTUALLY MOVE INTO OR THREATEN THE AREA A SEVERE THUNDERSTORM WARNING
WILL BE ISS2UED.

PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND GO TO A SAFE
SHELTER AS IT APPROACHES.  MARINERS SHOULD HEAD FOR A SAFE PORT NOW
BEFORE ANY SEVERE WEATHER ARRIVES.  REMEMBER...ALL LIGHTNING CAN KILL.

CARBONE
Special weather statement, Aug 28, 2:27 PM EDT, 1 hour 54 minutes before
MAZALL-CTZALL-RIZALL-282000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
215 PM EDT FRI AUG 27 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN NEW ENGLAND
UNTIL 9 PM EDT THIS EVENING.

AT 2PM EDT THUNDERSTORMS WERE SCATTERED ACROSS THE REGION.
SPECIFICALLY THUNDERSTORMS WERE REPORTED OFF CAPE ANN IN NORTHEASTERN
MASSACHUSETTS.  A STRONG THUNDERSTORM WAS LOCATED NEAR STURBRIDGE IN
CENTRAL MASSACHUSETTS.  THIS STORM WILL MOVE TOWARD THE WEBSTER AREA
BY 315 PM.  ANOTHER THUNDERSTORM WAS NEAR STOCKBRIDGE IN WESTERN
MASSACHUSETTS.  THIS STORM WILL MOVE TO NEAR WILBRAHAM WITHIN THE NEXT
HOUR.  A THIRD THUNDERSTORM WAS JUST EAST OF PITTSFIELD AND WAS
EXPECTED TO MOVE TO NEAR SOUTHWICK/AGAWAM AREA BY 315 PM.  SEVERE
THUNDERSTORM WARNINGS ARE IN EFFECT FOR THESE STORMS.  OTHER
THUNDERSTORMS WERE LOCATED IN EASTERN NEW YORK STATE MOVING EAST AND
SOUTHEAST.

THE THUNDERSTORMS HAVE HEAVY RAIN...GUSTY WINDS AND VIVID LIGHTNING.

THESE THUNDERSTORMS WILL MOVE INTO CONNECTICUT RHODE ISLAND AND
SOUTHEASTERN MASSACHUSETTS BETWEEN 2 AND 4 PM EDT.  MOST OF THE
ACTIVITY WILL DIMINISH BY 8 PM EDT.

ALL WITH AN INTEREST IN THESE THUNDERSTORMS SHOULD STAY TUNED TO |THEIR
LOCAL RADIO AND TELEVISION STATIONS OR NOAA WEATHER RADIO FOR THE
LATEST INFORMATION.  IF THREATENING CONDITIONS DEVELOP BE PREPARED TO
ACT QUICKLY.

JRS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 1:36 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region69 min
Aug 28, 3:12 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region, Northwest Hills Planning Region63 min
Aug 28, 3:30 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region60 min

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.