Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 3, NWS Boston/Norton, MA

June 13, 1987Norfolk County, Suffolk County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 1987, 8:55 PM EDT for Norfolk County, Suffolk County, Massachusetts. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1987, 8:55 PM EDT (00:55 UTC)
Expired
Jun 13, 1987, 9:30 PM EDT
In force
35 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Norfolk County, MA, Suffolk County, MA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 0.9 hours before the alert went out and 194 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, Gray, ME at 00:00Z on 1987-06-14Temperature 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, Gray, ME at 00:00Z on 1987-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.19395878Sfc1 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
3605 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
110 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 KBOS 140056 COR
SVRBOS
MAC025-140130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BOSTON MA
855 PM EDT JUN 13 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN EASTERN MASSACHUSETTS
    ...SUFFOLK
    ...NORFOLK

NICKEL SIZED HAIL WAS REPORTED IN MEDFORD MA AND RADAR INDICATED A
SEVERE THUNDERSTORM NEAR BOSTON AND NEEDHAM MOVING EAST.  THESE STORMS
WILL MOVE EAST INTO THE OCEAN DURING THE NEXT 45 MINUTES.

ALL PERSONS SHOULD SEEK SAFE SHELTER IMMEDIATELY.

DORR
1 follow-up statement
000 
TTAA00 KBOS 140058
SVRBOS
MAC021-025-140130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BOSTON MA
855 PM EDT JUN 13 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN EASTERN MASSACHUSETTS
    ...SUFFOLK
    ...NORFOLK

NICKEL SIZED HAIL WAS REPORTED IN MEDFORD MA AND RADAR INDICATED A
SEVERE THUNDERSTORM NEAR BOSTON AND NEEDHAM MOVING EAST.  THESE STORMS
WILL MOVE EAST INTO THE OCEAN DURING THE NEXT 45 MINUTES.

ALL PERSONS SHOULD SEEK SAFE SHELTER IMMEDIATELY.

DORR

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 13, 5:27 PM EDT, 3 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
 530 PM EDT SAT JUNE 13 1997

 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR ALL OF CONNECTICUT
AND HAMPDEN COUNTY OF MASS...

AT 530 PM INTENSE THUNDERSTORMS WERE MOVING INTO THE EXTREME NORTHWEST
CORNER OF LITCHFIELD COUNTY.  THESE THUNDERSTORMS ARE LIKELY TO CONTAIN
HAIL AS WELL AS VERY STRONG AND GUSTY WINDS.  THUNDERSTORMS WERE MOVING
TOWARD THE EAST AT 10 TO 20 MPH.
  THUNDERSTORM ACTIVITY WAS ALSO OBSERVED ALONG THE CONNECTICUT...MASS
BORDER BETWEEN HARTFORD AND SPRINGFIELD.  THIS ACTIVITY APPEARED TO BE
DIMINISHING IN INTENSITY AS IT MOVES TOWARD THE EAST AND NORTHEAST.
  ELSEWHERE IN THE AREA HEAVY THUNDERSTORMS WERE NOTED IN THE HUDSON
VALLEY OF EASTERN NEW YORK...THESE WERE ALSO MOVING EASTWARD AND COULD
AFFECT WESTERN CONNECTICUT DURING THE NEXT FEW HOURS.

BE PREPARED TO MOVE TO SAFE SHELTER SHOULD THREATENING WEATHER APPEAR.
CANNON
Special weather statement, Jun 13, 7:27 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
 730 PM EDT SAT JUNE 13 1997

 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR ALL OF CONNECTICUT
AND HAMPDEN COUNTY OF MASS...

AT 730 PM INTENSE THUNDERSTORMS WERE RUMBLING ACROSS MUCH OF CENTRAL
AND WESTERN CONNECTICUT AS WELL AS HAMPDEN COUNTY OF MASS.  THESE
THUNDERSTORMS WERE DIMINISHING IN INTENSITY AFTER PRODUCING STRONG
GUSTY WINDS AS WELL AS LARGE HAIL OVER NORTHWEST CONNECTICUT AND ALSO
IN HAMPDEN COUNTY OF MASS.  THE THUNDERSTORMS WILL CONTINUE TO DIMINISH
AS THEY PROGRESS EASTWARD AT 20 TO 30 MPH...HOWEVER THEY ARE STILL
CAPABLE OF PRODUCING LOCALLY VERY HEAVY DOWNPOURS AS WELL AS STRONG
GUSTY WINDS AND SOME HAIL.

BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPEARS.

CANNON
Local storm report, Jun 13, 7:43 PM EDT, 1 hour 12 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WINDSOR LOCKS, CT
735 PM EDT SAT JUN 13 1987

 7.35 PM EDT SAT JUN 13 1987

555 PM EDT  JUN  13  STATE POLICE AT CANAAN...LITCHFIELD COUNTY 40 NW OF
                     HARTFORD REPORTED GOLFBALL SIZED HAIL.

615 PM EDT  JUN  13  GRANVILLE MA. HAMPDEN CO. 20 MI WEST OF SPRINGFIELD.
                     REPORT OF GOLFBALL SIZED HAIL.

630 PM EDT  JUN  13  SALISBURY CONNECTICUT.  LITCHFIELD COUNTY.  45 MI NW
                     OF HARTFORD.  STATE POLICE REPORT TREES DOWNED

710 PM EDT  JUN  13  ENFIELD CT.  HARTFORD CO.  NUMEROUS WIRES DOWNED.

                                                                     
Special weather statement, Jun 13, 8:07 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
805 PM EDT SAT JUN 13 1987

... INTENSE THUNDERSTORMS NORTHWEST OF RHODE ISLAND CONTINUE MOVING
THIS WAY ...

AT 740 PM EDT CHATHAM WEATHER RADAR SHOWED INTENSE THUNDERSTORMS AND A
POSSIBLE TORNADO BETWEEN WORCHESTER AND BOSTOM MASSACHUSETTS MOVING
EAST AT 20 MPH.  OTHER THUNDERSTORMS WERE ALSO OVER CENTRAL
CONNECTICUT...BY 800 PM THEY HAD MOVED TO NEAR THE NORTHWEST CORNER OF
RHODE ISLAND.  THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

SOME OF THESE THUNDERSTORMS MAY BE NEAR SEVERE LIMITS AND COULD BE
MOVING INTO NORTHWESTERN RHODE ISLAND DURING THE NEXT HOUR.  OTHER
THUNDERSTORMS MAY MOVE THROUGH THE STATE UNTIL MIDNIGHT.

RHODE ISLANDERS SHOULD REMAIN ALERT FOR NEAR SEVERE WEATHER THIS
EVENING AND HEAVY THUNDERSTORMS INTO EARLY TONIGHT...THEN TAKE COVER
AS IT APPROACHES.  MARINERS...ESPECIALLY THOSE IN UPPER NARRAGANSETT
BAY...SHOULD KEEP A SHARP LOOKOUT TO THE WEST AND NORTHWEST FOR
THREATENING WEATHER AND GET TO A SAFE HARBOUR BEFORE IT ARRIVES.

STAY TUNED TO RADIO OR TV FOR THE LATEST INFORMATION.  OTHER STATMENTS
WILL BE ISSUED IF CONDITIONS WARRANT.  THE LATEST STATEMENTS AND
FOREC4AST ARE ALWAYS AVAILABLE ON NOAA WEATHER RADIO...THE VOICE OF THE
NATIONAL WEATHER SERVICE.

CARBONE
Special weather statement, Jun 13, 8:12 PM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
815 PM EST SAT JUNE 13 1987

...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT...

   RADAR AND SURFACE REPORTS SHOW THAT THUNDERSTORMS ARE WEAKENING
SLOWLY.  AT 8 PM..A SOLID LINE OF SHOWERS AND THUNDERSTORMS EXTENDED
FROM CAPE ANN SOUTHWESTWARD TO JUST SOUTHEAST OF WORCESTER.  THE LINE
IS MOVING SLOWLY EAST.  VERY HEAVY RAIN AND FREQUENT LIGHTNING WILL
OCCUR OVER MUCH OF CENTRAL AND EASTERN MASSACHUSETTS FOR THE NEXT HOUR
OR TWO..THEN DIMINISH TO RAIN SHOWERS BY MIDNIGHT.

   QUITE A FEW REPORTS OF RATHER LARGE HAIL WERE RECEIVED WITH THE
LARGEST..THE SIZE OF GOLFBALLS..IN THE SPRINGFIELD AREA BETWEEN 6 AND
7 PM EDT.  NO DAMAGING WINDS HAVE BEEN REPORTED THUS FAR.

   RADAR INDICATED A POSSIBLE TORNADO NEAR WORCESTER BETWEEN 7 AND 730
PM BUT NO CONFIRMATION HAS BEEN RECEIVED.

   THIS WILL BE THE LAST STATEMENT ON THIS SITUATION UNLESS FURTHER
INFORMAT9ION BECOMES AVAILABLE.

D'OR
Special weather statement, Jun 13, 8:13 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
 810 PM EDT SAT JUNE 13 1997

 ...SEVERE THUNDERSTORM WATCH HAS ENDED FOR ALL OF CONNECTICUT AND
HAMPDEN COUNTY OF MASS...

AT 8 PM SOME THUNDERSTORM ACTIVITY WAS CONTINUING TO WORK ITS WAY
EASTWARD AND WAS GENERALLY ORIENTED IN A LINE EXTENDING FROM THE EXTREME
NORTHEAST CORNER OF THE STATE SOUTHWESTWARD TO JUST NORTH OF BRIDGEPORT.
THUNDERSTORMS CONTINUE TO DIMINISH ALTHOUGH SOME OF THE ACTIVITY IN
TOLLAND AND WINDHAM COUNTIES CONTINUED TO BE FAIRLY HEAVY.  THE
THUNDERSTORMS COMTINUE TO MOVE TOWARD THE SOUTHEAST AT AROUND 20 MPH AND
SHOULD BE OUT OF THE STATE BY AROUND MIDNIGHT.  SOME THUNDERSTORMS MAY
STILL PRODUCE LOCALLY HE:AVY DOWNPOURS AS WELL AS GUSTY WINDS.

CANNON

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1987Every severe thunderstorm warning in 1987

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.