Alert archive / Connecticut / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 25, 1987, 8:23 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1987, 8:23 PM EDT (00:23 UTC)
- Expired
- Jul 25, 1987, 9:30 PM EDT
- In force
- 67 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
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 00:00Z, 0.4 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.
- Mixed-layer CAPE
- 1372 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBDL 260023
SVRBDL
CTC005-260130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
823 PM EDT SAT JUL 25 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST CONNECTICUT
...LITCHFIELD
PUBLIC REPORTS OF 3/4 INCH HAIL NUMEROUS TREES DOWN IN THE SHARON
AREA
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, Jul 25, 4:00 PM EDT, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 400 PM EDT SAT JULY 25 1987 AT 345 PM EDT WEATHER SERVICE RADAR INDICATES A LINE OF THUNDERSTORMS EXTENDING ACROSS THE SOUTHERN PORTIONS OF NEW HAMPSHIRE AND VERMONT. THIS LINE IS MOVING SOUTH AROUND 25 MPH AND SHOULD BE ENTERING NORTHERN MASSACHUSSETTS DURING THE NEXT HOUR OR TWO. STRONG GUSTY WINDS AND HAIL MAY ACCOMPANY SOME OF THESE STORMS. IN ADDITION AN ISOLATED THUNDERSTORM CELL IS CURRENTLY MOVING ACROSS THE PROVINCETOWN AREA OF CAPE COD AT THIS TIME. DUNNE
Special weather statement, Jul 25, 5:00 PM EDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 510 PM EDT SAT JULY 25 1987 ...SEVERE THUNDERSTORM WATCH NUMBER 428 REMAINS IN EFFECT UNTIL 800 PM EDT FOR MASSACHUSETTS EXCEPT CAPE COD... AT 510 PM EDT...A 20 MILE WIDE LINE OF THUNDERSTORMS EXTENDED FROM PORTSMOUTH TO KEENE NEW HAMPSHIRE. THE THUNDERSTORMS WERE MOVING SOUTHEAST AROUND 25 MPH. THE THUNDERSTORMS WILL BE MOVING ACROSS MIDDLESEX AND ESSEX COUNTIES IN NORTHEAST MASSACHUSETTS BETWEEN 530 PM AND 700 PM EDT THIS EVENING. VERY HEAVY RAIN WILL ACCOMPANY THESE STORMS ALONG WITH POSSIBLY STRONG GUSTY WINDS AND SOME HAIL. HOLDERBACH
Special weather statement, Jul 25, 5:11 PM EDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 5 PM EDT SAT JULY 25 1976 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF WESTERN CONNECTICUT AND THE SPRINGFIELD MA AREA UNTIL 8 PM THIS EVENING. HAZY HOT AND VERY HUMID WEATHER ACROSS CONNECTICUT EARLY THIS EVENING CONTINUES TO MAKE CONDITIONS IDEAL FOR THUNDERSTORM ACTIVITY. AT 5 PM NO THUNDERSTORMS WERE INDICATED IN CONNECTICUT. LOOKING TO OUR NORTH HOWEVER REVEALS HEAVY TO INTENSE THUNDERSTORM ACTIVITY IN A LINE EXTENDING SOUTHWESTWARD FROM COASTAL NEW HAMPSHIRE WEST SOUTHWESTWARD CUTTING ACROSS NORTHWESTERN MASSACHUSETTS THEN WESTWARD SOUTH OF ALBANY. THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTH AND SOUTHEAST AT SPEEDS OF 20 TO 25 MPH AND MAY AFFECT WESTERN CONNECTICUT AND THE SPRINGFIELD AREA IN ANOTHER ONE TO TWO HOURS. STAY TUNED TO RADIO...TV AND NOAA WEATHER RADIO AND BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER IS SIGHTED. CANNON
Special weather statement, Jul 25, 6:50 PM EDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 650 PM EDT SAT JULY 25 1987 ...SEVERE THUNDERSTORM WATCH NUMBER 428 REMAINS IN EFFECT UNTIL 800 PM EDT FOR MASSACHUSETTS EXCEPT CAPE COD... AT 650 PM EDT...A 20 MILE WIDE LINE OF THUNDERSTORMS EXTENDED FROM GLOUCESTER TO LEOMINSTER FROM NORTHEAST THROUGH NORTH CENTRAL MASSACHUSETTS. THE THUNDERSTORMS WERE MOVING SOUTHEAST AROUND 25 MPH. THE THUNDERSTORMS WILL BE MOVING ACROSS SOUTHERN MIDDLESEX... SOUTHERN ESSEX...SUFFOLK AND NORFOLK COUNTIES IN EAST CENTRAL MASSACHUSETTS INCLUDING THE BOSTON METROPOLITAN AREA BETWEEN 700 PM AND 830 PM EDT THIS EVENING. VERY HEAVY RAIN WILL ACCOMPANY THESE STORMS ALONG WITH POSSIBLY STRONG GUSTY WINDS AND SOME HAIL. HOLDERBACH
Special weather statement, Jul 25, 7:03 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE WORCESTER MA 700 PM EDT SAT JUL 25 1987 ...THUNDERSTORMS CONTINUE TO RUMBLE THROUGH MASSACHUSETTS... THE SEVERE THUNDERTORM WARNING FOR WORCSTER COUNTY HAS EXPIRED BUT THUNDERSTORMS CONTINUE TO POP UP AROUND THE STATE. AT 7 PM THERE WERE THUNDERSTORMS OVER WORCESTER..FRANKLIN..MIDDLESEX AND ESSEX COUNTIES. MOST OF THE STORMS WERE MOVING TOWARD THE SOUTHEAST AT ABOUT 20 'MPH. ALONG WITH HEAVY RAINS..THE STORMS MAY ALSO BRING GUSTY WINDS..SMALL HAIL AND DANGEROUS LIGHTNING. IF A THUNDERSTORM APPROACHES..SEEK SHELTER INDOORS. END HOLMES
Special weather statement, Jul 25, 8:00 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 800 PM EDT SAT JULY 25 1987 SEVERE THUNDERSTORM WATCH NUMBER 428 HAS EXPIRED AND IS NO LONGER IN EFFECT. HOWEVER...SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ACROSS PARTS OF MASSACHUSETTS OVERNIGHT. A COLD FRONT ACROSS NORTHERN NEW ENGLAND IS WEAKENING AND IS MOVING ONLY SLOWLY SOUTHEAST. THEREFORE THE THREAT OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH SUNDA Y. A SECONDARY COLD FRONT JUST SOUTH OF HUDSON BAY WILL MOVE SOUTHEAST AND IS EXPECTED TO MOVE ACROSS MASSACHUSETTS SUNDAY EVENING. THE AIR MASS BEHIND THE SECONDARY COLD FRONT IS DRIER AND COOLER. CSH
Nearby
Severe Thunderstorm Warnings in Connecticut, 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.