Alert archive / Connecticut / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 2, NWS Boston/Norton, MA

June 13, 1987Capitol Planning Region, Connecticut; Hampden County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 1987, 6:19 PM EDT for Capitol Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1987, 6:19 PM EDT (22:19 UTC)
Expired
Jun 13, 1987, 7:15 PM EDT
In force
56 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Capitol Planning Region, CT, Hampden 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

Albany, NY (KALB), launched 12:00Z, 10.3 hours before the alert went out and 128 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 1987-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 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 1987-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
106 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
113 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 132219
SVRBDL
CTC003-MAC013-132315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
619 PM EDT SAT JUN 13 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  715 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH CENTRAL CONNECTICUT
          ...HARTFORD
IN SOUTHWEST MASSACHUSETTS
          ...HAMPDEN
 
GOLFBALL SIZED HAIL REPORTED AT GRANVILLE MASSACHUSETTS.
THUNDERSTORMS ARE MOVING SOUTHEAST AT 20 MPH.
 
 
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.
CANNON

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, 2:08 PM EDT, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
200 PM EST SAT JUNE 13 1987

...SEVERE THUNDERSTORM WATCH UNTIL 8 PM EDT..EXCEPT EXTREME EAST AND
SOUTHEAST...

THE NATIONAL SEVERE STORM FORECAST CENTER IN KANSAS CITY HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR MOST OF MASSACHUSETTS..EFFECTIVE UNTIL 8
PM EDT.  THE WATCH DOES NOT INCLUDE THE GREATER BOSTON METROPOLITAN
AREA OR SOUTHEASTERN SECTIONS..WHICH INCLUDESG CAPE COD AND THE
ISLANDS.

AT 2 PM..NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS
IN EASTERN NEW YORK..MOVING EAST AROUND 30 MILES AN HOUR.  THESE
STORMS WILL LIKELY MOVE INTO THE BERKSHIRES OF WESTERN MASSACHUSETSS
WITHIN THE HOUR.

ALL INTERESTS SHOULD REMAIN ALERT..AND BE PREPARED TO SEEK SAFE
SHELTER IN CASE THE SKIES BECOMES THREATENING..OR A WARNING IS ISSUED
FOR YOUR AREA.

D'OR
Special weather statement, Jun 13, 2:19 PM EDT, 4 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
 215 PM EDT SAT JUN 13 1987

 ...SERVER THUNDERSTORM WATCH WUNTIL 8 PM EDT FOR ALL OF CONNECTICUT...

THE NATIONAL SEVERE STORM FORECAST CENTER IN KANSAS CITY HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR ALL OF CONNECTICUT...EFFECTIVE UNTIL 8 PM
EDT.

AT 2 PM THE NATIONAL WEATHER SERVICE RADAR INICATED STRONG THUNDERSTORMS
ALONG THE NEW YORK AND MASSACHUSETTS BORDER...MOVING EAST AROUND 30
MILES AN HOUR. THESE STORMS WILL LIKELY MOVE INTO THE BERKSHIRES OF
WESTERN MASSACHUSETES WITHIN THE HOUR.

ALL INTERESTS SHOULD REMAIN ALERT...AND BE PREPARTED TO SEEK SAFE
SHELTER IN CASE THE SKIES BECOMES THREATERNING...OR A WARNING IS
ISSUED FOR YOUR AREA.
WOODARD
Special weather statement, Jun 13, 4:05 PM EDT, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WORCESTER MA
800 PM EDT MON JUN 13 198

THE TORNADO WARNING FOR CENTRAL AND SOUTHERN WORCESTER COUNTY HAS
BEEN CANCELLED AT 8 PM EDT.

MCGUILL
Special weather statement, Jun 13, 4:37 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
 430 PM EDT SAT JUNE 13 1997

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

AT 430 PM SOME VERY HEAVY THUNDERSTORMS WERE RUMBLING EASTWARD THROUGH
SOUTHERN HAMPDEN AND NORTHERN HARTFORD COUNTIES.  SOME SMALL HAIL AS
WELL AS STRONG GUSTY WINDS WAS BEING REPORTED.  SOME OTHER HEAVY
THUNDERSTORM ACTIVITY WAS NOTED 10 TO 20 MILES EAST OF HARTFORD AND
WAS ALSO MOVING EASTWARD.  AN INTENSE THUNDERSTORM WAS NEARING THE
EXTREME NORTHWEST CORNER OF CONNECTICUT AND IS LIKELY TO BE ACCOMPANIED
BY STRONG GUSTY WINDS AND POSSIBLY HAIL AS IT TOO MOVES EASTWARD.

BE PREPARED TvO SEEK SAFE SHELTER SHOULD THREATENING WEATHER BE SIGHTED.

CANNON
Special weather statement, Jun 13, 5:14 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
515 PM EST SAT JUNE 13 1987

...SEVERE THUNDERSTORM WATCH UNTIL 8 PM EDT..EXCEPT FOR EXTREME EAST
AND SOUTHEAST PORTION...

   AT 5 PM..NATIONAL WEATHER SERVICE RADAR..SATELLITE AND SURFACE
REPORTS INDICATED SCATTERED STRONG THUNDERSTORMS EXTENDING FROM
SOUTHWESTERN MAINE..ACROSS CENTRAL AND WESTERN MASSACHUSETTS INTO
EASTERN NEW YORK.  SEVERAL REPORTS OF HAIL AND GUSTY WINDS HAVE BEEN
REPORTED IN THIS AREA.  PEA SIZED HAIL FELL IN AGAWAM MASSACHUSETTS
SHORTLY AFTER 4 PM.

   THE STORMS ARE MOVING FROM THE WEST AROUND 30 MPH AND SHOULD
CONTINUE TO DEVELOP FOR THE NEXT SEVERAL HOURS.

   ALL INTERESTS SHOULD REMAIN ALERT..AND BE PREPARED TO SEEK SAFE
SHELTER IN CASE THE SKIES BECOMES THREATENING..OR A WARNING IS ISSUED
FOR YOUR AREA.

D'OR
Special weather statement, Jun 13, 5:27 PM EDT, 52 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 6:01 PM EDTSevere Thunderstorm WarningBOXNorthwest Hills Planning Region59 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1987Severe 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.