Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1987, 3:00 PM EDT for Worcester County, Massachusetts. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1987, 3:00 PM EDT (19:00 UTC)
- Expired
- Jul 10, 1987, 4:00 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, 7.0 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
- 230 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 947 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KORH 101900 SVRORH MAC011-027-101900- BULLETIN-IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WORCESTER MA 300 PM EDT FRI JUL 10 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM EDT FOR THE FOLLOWING COUNTY IN MASSACHUSETT...WORCESTER A COOPERATIVE OBSERVER IN PHILLIPSTON MA REPORTED A WIND GUST TO 60 MPH WITH PEA SIZE HAIL. IF THREATENING WEATHER AP(PROACHES GO TO A SAFE PLACE IMMEDIATELY. TO REPORT SEVERE WEATHER..PLEASE ASK YOUR LOCAL LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORT TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. MCGUILL
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 10, 12:34 PM EDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
[ ]
... HIGH TEMPERATURES AND HUMIDITY ARE MAKING FOR UNCOMFORTABLE AND
HAZARDOUS OUTDOOR CONDITIONS THIS AFTERNOON ...
HOT AND HUMID SOUTHERLY WINDS HAVE CUASED TEMPERATURES TO RISE TO 89
DEGREES HERE AT THE PROVIDENCE NATIONAL WEATHER SERVICE OFFICE AT 1230
PM. THE TEMPERATURE AND HIGH HUMIDITY ARE COMBINING TO CREATE AN
APPARENT TEMPERATURE OF AROUND 100. TEMPERATURES ARE LIKELY HIGHER IN
DOWNTOWN PROVIDENCE AND PLACES FURTHER INLAND WHERE SEA BREEZES
CANNOT REACH. FOR INSTANCE...YESTERDAYS HIGH TEMPERATURE AT THE
NATIONAL WEATHER SERVICE WAS ONLY 85 BUT THE TERMOMETER REACHED 96
DEGREES AT WOONSOCKET.
PEOPLE WHO LIVE IN RHODE ISLAND ARE WARNED TO SLOW DOWN AND AVIOD
STRENUOUS ACTIVITY...DRINK PLENTY OF WATER...AND TRY NOT TO GET TOO
MUCH SUN.
CARBONESpecial weather statement, Jul 10, 12:47 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
1240 PM EDT FRI JUL 10 1987
... HIGH TEMPERATURES AND HUMIDITY ARE MAKING FOR UNCOMFORTABLE AND
HAZARDOUS OUTDOOR CONDITIONS THIS AFTERNOON ...
HOT AND HUMID SOUTHERLY WINDS HAVE CAUSED TEMPERATURES TO RISE TO 89
DEGREES HERE AT THE PROVIDENCE NATIONAL WEATHER SERVICE OFFICE AT 1230
PM. THE TEMPERATURE AND HIGH HUMIDITY HAVE COMBINED TO CREATE AN
APPARENT TEMPERATURE OF AROUND 100. TEMPERATURES ARE LIKELY HIGHER IN
DOWNTOWN PROVIDENCE AND PLACES FURTHER INLAND WHERE SEA BREEZES
CANNOT REACH. FOR INSTANCE...YESTERDAYS HIGH TEMPERATURE AT THE
NATIONAL WEATHER SERVICE WAS ONLY 85 BUT THE THERMOMETER REACHED 96
DEGREES AT WOONSOCKET. TEMPERATURES ARE EXPECTED TO BE IN THE 90S AWAY
FROM THE SHORE THE REST OF THIS AFTERNOON.
PEOPLE WHO LIVE IN RHODE ISLAND ARE WARNED TO SLOW DOWN AND AVOID
STRENUOUS ACTIVITY...DRINK PLENTY OF WATER...AND TRY NOT TO GET TOO
MUCH SUN. THE ELDERLY AND THOSE WITH HEART AND RESPIRATORY PROBLEMS
ARE MOST AT RISK TO THE DANGERS OF HIGH TEMPERATURE AND HIGH HUMIDITY.
CARBONESpecial weather statement, Jul 10, 1:46 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT FOR RHODE ISLAND NATIONAL WEATHER SERVICE PROVIDENCE RI 140 PM EDT FRI JUL 10 1987 ... THUNDERSTORMS ARE MOVING INTO NARRAGANSETT BAY ... AT 130 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM TO THE SOUTH OF T.F.GREEN AIRPORT IN WARWICK...OVER THE NORTH KINGTOWN AREA. THIS THUNDERSTORM SHOULD BE MOVING INTO NARRAGANSET BAY DURING THE NEXT HOUR...THEN INTO EAST BAY RHODE ISLAND THEREAFTER. ANY THUNDERSTORMS IN THE BAY COULD PRODUCE STRONG...SQUALLY WINDS AND ROUGH SEAS AS THEY MOVE THROUGH THE BAY THE REST OF THIS AFTERNOON. THUNDERSTORMS OVER LAND MAY PRODUCE BRIEF ROAD AND URBAN FLOODING... AND LOCAL POWER OUTAGES. PEOPLE WHO LIVE IN RHODE ISLAND SHOULD REMAIN ALERT FOR THREATENING WEATHER AND TAKE COVER AS IT APPROACHES. MARINERS SHOULD GET TO A SAFE PORT BEFORE THREATENING WEATHER NEARS. CARBONE
Special weather statement, Jul 10, 2:00 PM EDT, 1 hour before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 210 PM EDT FRI JULY 10 1987 AN AREA OF THUNDERSTORMS...AROUND 20 MILES IN DIAMETER...WAS CENTERED NEAR BROCKTON IN EASTERN MASSACHUSETTS AT 210 PM THIS AFTERNOON. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AROUND 15 MPH. HEAVY RAIN WILL ACCOMPANY THESE THUNDERSTORMS ALONG WITH POSSIBLY SOME SMALL HAIL AND GUSTY WINDS. THESE STORMS WILL BE MOVING INTO THE PLYMOUTH AREA IN SOUTHEAST MASSACHUSETTS AROUND 230 PM. ANOTHER AREA OF THUNDERSTORMS WAS NEAR FITCHBURG IN NORTH CENTRAL MASSACHUSETTS AT 210 PM. THESE THUNDERSTORMS WERE ALSO MOVING SOUTHEAST AROUND 15 MPH. CSH
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.