Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 10, NWS Boston/Norton, MA

June 1, 1986Essex County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 1, 1986, 8:02 PM EDT for Essex County, Massachusetts. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1986, 8:02 PM EDT (00:02 UTC)
Expired
Jun 1, 1986, 9:00 PM EDT
In force
58 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Essex 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

Chatham, MA (KCHH), launched 00:00Z, 0.0 hours before the alert went out and 131 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, Chatham, MA at 00:00Z on 1986-06-02Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 1986-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
1508 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
89 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 020005
SVRBOS
MAC009-020100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BOSTON MA
ISSUED 802 PM EDT SUN JUN 1 1986 EXPIRES 900 PM EDT 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 900 PM EDT FOR PERSONS
IN THE FOLLOWING COUNTY OF

NORTHEASTERN MASSACHUSETTS...ESSEX...INCLUDING THE ADJACENT
COASTAL WATERS.

ONE INCH HAIL WAS REPORTED AT METHEUN AT 758 PM EDT FROM A SEVERE
THUNDERSTORM.  THIS THUNDERSTORM WAS MOVING EAST AT 25 MPH.

PREPARE FOR STRONG WIND...LARGE HAIL...VERY HEAVY RAIN AND
LIGHTNING.  REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT
WEATHER SERVICE.

HOLDERBACH

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 1, 3:11 PM EDT, 4 hours 51 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
315 PM EDT SUN JUN 1 1986

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS WESTERN..CENTRAL
AND NORTHEASTERN MASSACHUSETTS..INCLUDING THE GREATER BOSTON AREA..
UNTIL 8 PM EDT....

RADAR INDICATES THERE ARE NO SEVERE THUNDERSTORMS ACROSS THE STATE
AT THIS TIME.  THE NEAREST HEAVY THUNDERSTORM CONCENTRATION IS
APPROACHING THE SOUTHERN PORTIONS OF VERMONT AND NEW HAMPSHIRE.  THIS
LINE IS MOVING SOUTHEAST AND WILL BEGIN AFFECTING MASSACHUSETTS
THIS EVENING.

ISOLATED THUNDERSTORM ACTIVITY IS SHOWING UP IN THE VICINITY OF ALBANY
NEW YORK AND SHOULD MOVE INTO THE WESTERN PORTION OF THE STATE DURING
THE NEXT HOUR O?R TWO.

DUNNE
Special weather statement, Jun 1, 5:11 PM EDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
515 PM EDT SUN JUN 1 1986

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS WESTERN..CENTRAL
AND NORTHEASTERN MASSACHUSETTS..INCLUDING THE GREATER BOSTON AREA..
UNTIL 8 PM EDT....

AT 5 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
FROM JUST NORTH OF PORTSMOUTH NEW HAMPSHIRE WEST THROUGH CONCORD NEW
HAMPSHIRE TO SOUTWESTERN VERMONT.  THE THUNDERSTORMS ARE MOVING EAST
AND WILL SKIRT THE MASSACHUSETTS BORDER THROUGH 7 PM.

RADAR ALSO INDICATES SCATTERED SHOWERS AND THUNDERSTORMS MOVING
EAST ACROSS THE NORTHERN BERKSHIRES OF WESTERN MASSACHUSETTS AT 5 PM.
THESE SHOWERS AND THUNDERSTORMS HAVE THE POTENTIAL TO STRENGTHEN AS
THEY MOVE ACROSS NORTHERN MASSACHUSETTS BETWEEN 5:15 AND 8 PM THIS
EVENING.

STAY TUNED  TO YOUR LOCAL RADIO AND TV STATIONS FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS BY THE NATIONAL WEATHER SERVICE.

THE NEXT +STATEMENT WILL BE ISSUED AT 6:15 PM.

DILLEY
Special weather statement, Jun 1, 6:24 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
615 PM EDT SUN JUN 1 1986

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS WESTERN..CENTRAL
AND NORTHEASTERN MASSACHUSETTS..INCLUDING THE GREATER BOSTON AREA..
UNTIL 8 PM EDT....

AT 615 PM EDT A THUNDERSTORM WAS OVER NORTHERN WORCESTER COUNTY.  THIS
STORM WAS MOVING EAST AROUND 30 MPH.  THERE WERE NO OTHER THUNDERSTORMS
IN MASSACHUSETTS AT THAT TIME.

ADDITIONAL THUNDERSTORMS MAY MOVE INTO THE WESTERN AND NORTHERN PARTS OF
THE STATE AFTER 700 PM EDT THIS EVENING.

STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS BY THE NATIONAL WEATHER SERVICE.

THE NEXT STATE`MENT WILL BE ISSUED AROUND 715 PM.

CSH
Special weather statement, Jun 1, 7:42 PM EDT, 20 minutes before
^BOSSPSPVD

SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
745 PM EDT SUN JUN 1 1986

...SEVERE THUNDERSTORMS TONIGHT...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE
THUNDERSTORM WATCH FOR ALL COUNTIES OF RHODE ISLAND FROM 800 PM UNTIL
MIDNIGHT EDT THIS SUNDAY EVENING.

LARGE HAIL..DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE
POSSIBLE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

MARINERS SHOULD REMAIN CLOSE TO A SAFE PORT AND LISTEN FOR FURTHER
STATEMENTS OR WARNINGS.

TK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:23 PM EDTSevere Thunderstorm WarningBOXEssex67 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1986Every severe thunderstorm warning in 1986

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.