Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 59, NWS Boston/Norton, MA

July 26, 1994Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 26, 1994, 6:25 PM EDT for Worcester County, Massachusetts. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 26, 1994, 6:25 PM EDT (22:25 UTC)
Expired
Jul 26, 1994, 7:15 PM EDT
In force
50 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Worcester County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.4 hours before the alert went out and 162 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 1994-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 402 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 1994-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
402 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
745 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBOS 262227 RRA
SVRBOS
MAC027-262315-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
625 PM EDT TUE JUL 26 1994
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MASSACHUSETTS
 
   ...NORTHERN WORCESTER COUNTY
 
AT 625 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR ORANGE IN FRANKLIN
COUNTY...MOVING NORTHEAST AT 35 MPH. THIS WILL TAKE THE STORM OVER
ROYALSTON AND ATHOL IN NORTHWESTERN WORCESTER COUNTY BETWEEN 630 PM AND
650 PM. TREES WERE REPORTED BLOWN DOWN IN SUNDERLAND IN SOUTHERN
FRANKLIN COUNTY AT 550 PM.
 
THIS IS A DANGEROUS STORM.  IF YOU DARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
GIRODO
 
&

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, Jul 26, 5:50 PM EDT, 35 minutes before
MAZ003-004-005-010-011-012-013-262245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
550 PM EDT TUE JUL 26 1994

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR ALL OF MASSACHUSETTS EXCEPT
CAPE COD AND THE ISLANDS...

AT 545 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM SOUTHERN
FRANKLIN COUNTY SOUTHWESTWARD THROUGH CENTRAL HAMPSHIRE COUNTY NEAR
NORTHAMPTON...AND ON SOUTHWESTWARD THROUGH WESTERN HAMPDEN COUNTY TO THE
WEST OF SPRINGFIELD.

THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MPH AND WILL BE
AFFECTING PORTIONS OF WESTERN WORCESTER...EASTERN HAMPSHIRE...AND
EASTERN HAMPDEN COUNTIES BETWEEN 550 PM AND 650 PM.

SMALL HAIL AND VERY HEAVY DOWNPOURS WILL ACCOMPANY THESE STORMS...ALONG
WITH DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES.

STAY TUNED TO THE WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

FIELD
Special weather statement, Jul 26, 5:53 PM EDT, 32 minutes before
MAZ003-004-005-010-011-012-013-262245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
550 PM EDT TUE JUL 26 1994

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR ALL OF MASSACHUSETTS EXCEPT
CAPE COD AND THE ISLANDS...

AT 545 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM SOUTHERN
FRANKLIN COUNTY SOUTHWESTWARD THROUGH CENTRAL HAMPSHIRE COUNTY NEAR
NORTHAMPTON...AND ON SOUTHWESTWARD THROUGH WESTERN HAMPDEN COUNTY TO THE
WEST OF SPRINGFIELD.

THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MPH AND WILL BE
AFFECTING PORTIONS OF WESTERN WORCESTER...EASTERN HAMPSHIRE...AND
EASTERN HAMPDEN COUNTIES BETWEEN 550 PM AND 650 PM.

SMALL HAIL AND VERY HEAVY DOWNPOURS WILL ACCOMPANY THESE STORMS...ALONG
WITH DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES.

STAY TUNED TO THE WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

FIELD
Special weather statement, Jul 26, 5:56 PM EDT, 29 minutes before
MAZ003-004-005-010-011-012-013-262245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
550 PM EDT TUE JUL 26 1994

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR ALL OF MASSACHUSETTS EXCEPT
CAPE COD AND THE ISLANDS...

AT 545 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM SOUTHERN
FRANKLIN COUNTY SOUTHWESTWARD THROUGH CENTRAL HAMPSHIRE COUNTY NEAR
NORTHAMPTON...AND ON SOUTHWESTWARD THROUGH WESTERN HAMPDEN COUNTY TO THE
WEST OF SPRINGFIELD.

THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MPH AND WILL BE
AFFECTING PORTIONS OF WESTERN WORCESTER...EASTERN HAMPSHIRE...AND
EASTERN HAMPC!j
STAY TUNED TO THE WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

FIELD
Local storm report, Jul 26, 6:03 PM EDT, 22 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOSTON MA
605 PM EDT TUE JUL 26 1994

527 PM EDT   CHESTERFIELD MA   WESTERN HAMPSHIRE COUNTY...PEA TO DIME
                               SIZE HAIL REPORTED BY MUNICIPAL POLICE

540 PM EDT   WHATELY MA        SOUTHERN FRANKLIN COUNTY...DIME SIZE
                               HAIL REPORTED BY SPOTTER.

FIELD
151 PM  EDT   BELMONT MA      MIDDLESEX CO...45 MPH WIND/PEA SIZE
                              HAIL.
158 PM  EDT   BOSTON MA       SUFFOLK CO BOSTON/S LOGAN INT'L. AIRPORT
                              REPORTED WIND GUST TO 52 KNOTS (60 MPH).
200 PM  EDT   REVERE MA       LARGE TREES DOWN.
200 PM  EDT   BOSTON MA       SUFFOLK CO...SCAFFOLDING BLOWN DOWN AT
                              GOVERNMENT CENTER.

------------------------
II. REPORTS FROM EARLY EVENING THUNDERSTORMS:
400 PM  EDT   PITTSFIELD MA   BERKSHIRE CO...PEA SIZE HAIL.
415 PM  EDT   SAVOY MA        BERKSHIRE CO...GUST TO 50 MPH AND PEA
                              SIZE HAIL.

FIELD/VALLEE
Local storm report, Jul 26, 6:04 PM EDT, 21 minutes before
LOCAL STORM REPORT...CORRECTED BECAUSE YESTERDAY/S INFO WAS INCLUDED
NATIONAL WEATHER SERVICE BOSTON MA
605 PM EDT TUE JUL 26 1994

527 PM EDT   CHESTERFIELD MA   WESTERN HAMPSHIRE COUNTY...PEA TO DIME
                               SIZE HAIL REPORTED BY MUNICIPAL POLICE

540 PM EDT   WHATELY MA        SOUTHERN FRANKLIN COUNTY...DIME SIZE
                               HAIL REPORTED BY SPOTTER.

FIELD
Local storm report, Jul 26, 6:05 PM EDT, 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOSTON MA
605 PM EDT TUE JUL 26 1994

527 PM EDT   CHESTERFIELD MA   WESTERN HAMPSHIRE COUNTY...PEA TO DIME
                               SIZE HAIL REPORTED BY MUNICIPAL POLICE

540 PM EDT   WHATELY MA        SOUTHERN FRANKLIN COUNTY...DIME SIZE
                               HAIL REPORTED BY SPOTTER.

FIELD
151 PM  EDT   BELMONT MA      MIDDLESEX CO...45 MPH WIND/PEA SIZE
                              HAIL.
158 PM  EDT   BOSTON MA       SUFFOLK CO BOSTON/S LOGAN INT'L. AIRPORT
                              REPORTED WIND GUST TO 52 KNOTS (60 MPH).
200 PM  EDT   REVERE MA       LARGE TREES DOWN.
200 PM  EDT   BOSTON MA       SUFFOLK CO...SCAFFOLDING BLOWN DOWN AT
                              GOVERNMENT CENTER.

------------------------
II. REPORTS FROM EARLY EVENING THUNDERSTORMS:
400 PM  EDT   PITTSFIELD MA   BERKSHIRE CO...PEA SIZE HAIL.
415 PM  EDT   SAVOY MA        BERKSHIRE CO...GUST TO 50 MPH AND PEA
                              SIZE HAIL.

FIELD/VALLEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 4:51 PM EDTSevere Thunderstorm WarningBOXHampshire54 min
Jul 26, 6:00 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire45 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.