Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 19, NWS Boston/Norton, MA

June 18, 1994Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 18, 1994, 2:05 PM EDT for Hampshire County, Massachusetts. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 18, 1994, 2:05 PM EDT (18:05 UTC)
Expired
Jun 18, 1994, 2:45 PM EDT
In force
40 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Hampshire County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 6.1 hours before the alert went out and 103 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 1994-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1667 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 12:00Z on 1994-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1667 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
6 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 181807
SVRBOS
MAC015-181845-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
205 PM EDT SAT JUN 18 1994
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST MASSACHUSETTS
 
   ...CENTRAL HAMPSHIRE COUNTY
 
AT 207 PM...RADAR INDICATED A POTENTIALLY SEVERE THUNDERSTORM NEAR
GOSHEN ABOUT 30 MILES WEST OF WORCESTER. THIS STORM WAS MOVING SOUTH
AT 10 MPH.  IT WILL PROBABLY PRODUCE LARGE HAIL....VERY HEAVY RAIN AND
LIGHTNING STRIKES CAUSING POWER OUTAGES AS IT HEADS FOR WESTHAMPTON AND
NORTHAMPTON BY 245 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 W&ATER 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 18, 11:30 AM EDT, 2 hours 35 minutes before
CTZALL-RIZALL-MAZ002>019-181800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1134 AM EDT SAT JUN 18 1994

...POTENTIAL SEVERE THUNDERSTORMS FOR THIS AFTERNOON AND EARLY
EVENING...

THE POSSIBILITY OF SEVERE THUNDERSTORMS DEVELOPING OVER INLAND AREAS
OF SOUTHERN NEW ENGLAND EXISTS THIS AFTERNOON AND EARLY THIS EVENING.
AT 1100 AM THIS MORNING DOPPLER RADAR INDICATED THAT THUNDERSTORMS
WERE DEVELOPING OVER SOUTHERN VERMONT AND THE CONNECTICUT RIVER
VALLEY.

THE COMBINATION OF VERY MOIST AIR AND HIGH TEMPERATURES WILL PRODUCE
IDEAL CONDITIONS FOR THUNDERSTORM DEVELOPMENT...SOME OF WHICH MAY BE
SEVERE.

IF PLANNING OUTDOOR ACTIVITIES FOR THIS AFTERNOON AND EARLY EVENING
PLEASE USE PRECAUTIONS FOR HIGH HEAT AND BE AWARE OF CHANGING
WEATHER CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO AND THE LOCAL MEDIA FOR FURTHER
UPDATES.

KLEIN
Special weather statement, Jun 18, 11:34 AM EDT, 2 hours 31 minutes before
CTZALL-RIZALL-MAZ002>019-181800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1134 AM EDT SAT JUN 18 1994

...POTENTIAL SEVERE THUNDERSTORMS FOR THIS AFTERNOON AND EARLY
EVENING...

THE POSSIBILITY OF SEVERE THUNDERSTORMS DEVELOPING OVER INLAND AREAS
OF SOUTHERN NEW ENGLAND EXISTS THIS AFTERNOON AND EARLY THIS EVENING.
AT 1100 AM THIS MORNING DOPPLER RADAR INDICATED THAT THUNDERSTORMS
WERE DEVELOPING OVER SOUTHERN VERMONT AND THE CONNECTICUT RIVER
VALLEY.

THE COMBINATION OF VERY MOIST AIR AND HIGH TEMPERATURES WILL PRODUCE
IDEAL CONDITIONS FOR THUNDERSTORM DEVELOPMENT...SOME OF WHICH MAY BE
SEVERE.

IF PLANNING OUTDOOR ACTIVITIES FOR THIS AFTERNOON AND EARLY EVENING
PLEASE USE PRECAUTIONS FOR HIGH HEAT AND BE AWARE OF CHANGING
WEATHER CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO AND THE LOCAL MEDIA FOR FURTHER
UPDATES.

KLEIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 3:47 PM EDTSevere Thunderstorm WarningBOXMiddlesex28 min

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.