Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 77, NWS Boston/Norton, MA

August 2, 1995Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 2, 1995, 1:34 PM EDT for Middlesex County, Massachusetts. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1995, 1:34 PM EDT (17:34 UTC)
Expired
Aug 2, 1995, 2:00 PM EDT
In force
26 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Middlesex County, MA

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 5.6 hours before the alert went out and 148 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 12:00Z on 1995-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 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, Chatham, MA at 12:00Z on 1995-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
1124 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1011 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBOS 021735
SVRBOS
MAC017-021800-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
134 PM EDT WED AUG 2 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  MASSACHUSETTS
 
   ...CENTRAL MIDDLESEX COUNTY
 
AT 135 PM EDT A SEVERE THUNDERSTORM WAS LOCATED NEAR AYER AND LITTLETON
WITH LITTLE OR NO MOVEMENT. THE STORM MAY AFFECT ACTON...WEXFORD AND
SURROUNDING LOCALITIES.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THEz LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 3:44 PM EDTSevere Thunderstorm WarningBOXHampshire31 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1995Every severe thunderstorm warning in 1995

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.