Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 6, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 25, 1987, 6:00 PM EDT for Worcester County, Massachusetts. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1987, 6:00 PM EDT (22:00 UTC)
- Expired
- Jul 25, 1987, 7:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Worcester 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, 10.0 hours before the alert went out and 162 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
- 1399 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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
Local storm report, Jul 25, 2:40 PM EDT, 3 hours 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WINDSOR LOCKS, CT
230 PM EDT SAT JUL 25 1987
TIME EVEN
108 PM EDT POLICE REPORTED 1/2 HAIL...TREES AND POWER LINES DOWN
HARTFORD COUNTRY IN EAST HARTFORD (12 MILES SOUTH BDL)
110 PM EDT POLICE REPORTED 1/2 HAIL...TREES DOWN AND POWER OUTAGE
HARTFORD COUNTRY IN WINDSOR (13 SSE BDL)
120 PM EDT POLICE REPORTED TREES DOWN AND POWER OUTAGE IN HARTFORD
C]OUNTRY IN MANCHESTER (15 SSE BDL)
WOODARDSpecial weather statement, Jul 25, 4:00 PM EDT, 2 hours 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, 1 hour 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, 49 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
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.