Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 18, NWS Boston/Norton, MA

June 13, 1994Franklin County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 1994, 9:18 PM EDT for Franklin County, Massachusetts. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1994, 9:18 PM EDT (01:18 UTC)
Expired
Jun 13, 1994, 10:15 PM EDT
In force
57 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Franklin County, MA

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 1.3 hours before the alert went out and 102 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 00:00Z on 1994-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 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, Albany, NY at 00:00Z on 1994-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
1257 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KBOS 140120
SVRBOX
MAC011-140215-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
918 PM EDT MON JUN 13 1994
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST MASSACHUSETTS
 
   ...FRANKLIN COUNTY
 
DOPPLER RADAR AT WSFO TAUNTON DETECTED A SEVERE THUNDERSTORM APPROACHING
WESTERN FRANKLIN COUNTY MASSACHUSETTS. THIS STORM IS MOVING EAST AT 35
TO 40 MPH AND WILL REACH CHARLEMONT AND SHELBURNE FALLS BY 945 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.

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 13, 8:00 PM EDT, 1 hour 18 minutes before
MAZ002>005-008>012-140500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
800 PM EDT MON JUN 13 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM EDT FOR MUCH OF
CENTRAL AND WESTERN MASSACHUSETTS...

THUNDERSTORMS WITH DAMAGING WINDS...LARGE HAIL AND DANGEROUS LIGHTNING
ARE POSSIBLE UNTIL 1 AM OVER MUCH OF CENTRAL AND WESTERN
MASSACHUSETTS.

STRONG THUNDERSTORMS...SOME WITH DAMAGING WINDS...HAVE DEVELOPED OVER
EASTERN NEW YORK STATE.  THIS AREA WAS MOVING TO THE EAST AT ABOUT 40
MPH AND WILL MOVE INTO EXTREME WESTERN MASSACHUSETTS BY AROUND 830 PM.

IF YOU ARE IN THE WATCH AREA...BE PREPARED TO SEEK SHELTER QUICKLY IF
THREATENING WEATHER APPROACHES.

GURKA
Special weather statement, Jun 13, 8:03 PM EDT, 1 hour 15 minutes before
MAZ002>005-008>012-140500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
800 PM EDT MON JUN 13 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM EDT FOR MUCH OF
CENTRAL AND WESTERN MASSACHUSETTS...

THUNDERSTORMS WITH DAMAGING WINDS...LARGE HAIL AND DANGEROUS LIGHTNING
ARE POSSIBLE UNTIL 1 AM OVER MUCH OF CENTRAL AND WESTERN
MASSACHUSETTS.

STRONG THUNDERSTORMS...SOME WITH DAMAGING WINDS...HAVE DEVELOPED OVER
EASTERN NEW YORK STATE.  THIS AREA WAS MOVING TO THE EAST AT ABOUT 40
MPH AND WILL MOVE INTO EXTREME WESTERN MASSACHUSETTS BY AROUND 830 PM.

IF YOU ARE IN THE WATCH AREA...BE PREPARED TO SEEK SHELTER QUICKLY IF
THREATENING WEATHER APPROACHES.

GURKA

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1994Every severe thunderstorm warning in 1994

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.