Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 20, NWS Boston/Norton, MA

May 29, 1995Franklin County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at May 29, 1995, 7:02 PM EDT for Franklin County, Worcester County, Massachusetts. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
May 29, 1995, 7:02 PM EDT (23:02 UTC)
Expired
May 29, 1995, 7:30 PM EDT
In force
28 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Franklin County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 108 km from the middle of the area, began a volume at 23:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 11.0 hours before the alert went out and 132 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, Albany, NY at 12:00Z on 1995-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Albany, NY at 12:00Z on 1995-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 303 square meters per square second.19395878Sfc1 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
488 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
303 m²/s²
0-3 km storm-relative helicity
366 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 292304
SVRBOS
MAC027-011-292330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
702 PM EDT MON MAY 29 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MASSACHUSETTS
 
   ...NORTHERN WORCESTER COUNTY
 
IN WEST MASSACHUSETTS
 
   ...EASTERN FRANKLIN COUNTY
 
AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE
THUNDERSTORM IN FRANKLIN COUNTY...14 MILES WEST OF ORANGE. THE STORM IS
MOVING EAST AT 45 MILES AN HOUR...AND WILL REACH ORANGE AND ATHOL AROUND
720 PM.
 
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 THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
WTB

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, May 29, 2:31 PM EDT, 4 hours 31 minutes before
MAZALL-501>504-RIZALL-501-502-CTZALL-292200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
235 PM EDT MON MAY 29 1995

...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS CONNECTICUT...RHODE
   ISLAND AND MOST OF MASSACHUSETTS LATE THIS AFTERNOON AND THIS
   EVENING...

NO SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR SOUTHERN NEW ENGLAND
AT THIS TIME.

A WARM FRONT WILL MOVE ACROSS THE REGION THIS AFTERNOON.  BEHIND THIS
WARM FRONT IS VERY WARM AND MOIST AIR.  THIS WARM...MOIST AIR WILL
COMBINE WITH AN APPROACHING COLD FRONT OVER WESTERN NEW YORK TO
PRODUCE SHOWERS AND THUNDERSTORMS LATE THIS AFTERNOON AND EVENING
ACROSS SOUTHERN NEW ENGLAND.

AT 230PM A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM
NEAR BURLINGTON VERMONT SOUTHWEST THROUGH BINGHAMTON NEW YORK AND
THEN THROUGH CENTRAL PENNSYLVANIA.  THIS LINE IS MOVING SOUTHEAST
AT 45 MPH AND SHOULD REACH WESTERN MASSACHUSETTS AND NORTHWEST
CONNECTICUT BETWEEN 5PM AND 6PM EDT.

ACROSS CONNECTICUT...RHODE ISLAND AND MOST OF MASSACHUSETTS SOME OF
THESE THUNDERSTORMS MAY BE SEVERE WITH LARGE HAIL AND/OR DAMAGING
WINDS.  ACROSS CAPE COD AND THE ISLANDS NO SEVERE WEATHER IS EXPECTED
THIS AFTERNOON AND EVENING...THOUGH THUNDERSTORMS MAY STILL CONTAIN
HAIL...STRONG WINDS AND HEAVY DOWNPOURS.

IF YOU ARE PLANNING OUTDOOR ACTIVITIES THIS AFTERNOON...PLEASE
KEEP ABREAST OF THE LATEST WEATHER FORECASTS AND CONDITIONS.  IF
THREATENING WEATHER APPROACHES GET TO A PLACE OF SAFETY.

CZEPYHA/HANLEY

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 6:13 PM EDTSevere Thunderstorm WarningBOXFranklin47 min
May 29, 7:21 PM EDTTornado WarningBOXHampden39 min
May 29, 7:52 PM EDTSevere Thunderstorm WarningBOXHampshire53 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; radar from the NEXRAD Level II archive.