Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 60, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 30, 1994, 5:54 PM EDT for Essex County, Massachusetts. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Jul 30, 1994, 5:54 PM EDT (21:54 UTC)
- Expired
- Jul 30, 1994, 6:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Essex County, MA
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 9.9 hours before the alert went out and 131 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.
- Mixed-layer CAPE
- 892 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 302157 RRA SVRBOS MAC009-302245- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 554 PM EDT SAT JUL 30 1994 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN MASSACHUSETTS ...NORTHEASTERN ESSEX COUNTY AND THE ADJACENT COASTAL WATERS. AT 550 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE NEW HAMPSHIRE BORDER NEAR AMESBURY. AT 555 PM...MERRIMAC POLICE REPORTED TREES DOWNED IN NORTH MERRIMAC NEAR THE NEW HAMPSHIRE BORDER. THIS STORM IS HEADING INTO SALISBURY AND THE ADJACENT COASTAL WATERS. 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. VALLIER-TALBOT &
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 30, 3:17 PM EDT, 2 hours 37 minutes before
MAZ003-004-005-010-011-012-302015-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
315 PM EDT SAT JUL 30 1994
...SEVERE THUNDERSTORM WATCH FOR MUCH OF MASSACHUSETTS UNTIL 8 PM...
AT 315 PM...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG THE
BORDER OF HAMPDEN AND HAMPSHIRE COUNTIES...NEAR CHICOPEE. THESE
STORMS WERE PRODUCING LOCALLY HEAVY DOWNPOURS AND POSSIBLY SOME SMALL
HAIL. THESE STORMS WERE MOVING TO THE NORTHEAST AT 30 MPH AND WILL BE
AFFECTING EASTERN HAMPSHIRE COUNTY NEAR GRANBY...BELCHERTOWN...AND WARE
BETWEEN 320 AND 4 PM.
OTHER STRONG STORMS WERE IN NORTHERN WORCESTER COUNTY FROM ATHOL TO
ASHBURNHAM. THESE WERE MOVING NORTHEAST TOWARD SOUTHERN HILLSB{OROUGH
COUNTY IN NEW HAMPSHIRE.
IF THREATENING WEATHER APPROACHES...BE PREPARED TO MOVE TO A PLACE OF
SAFETY. STAY TUNED TO THE WEATHER RADIO OR LOCAL RADIO AND TELEVISION
STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
FIELDSpecial weather statement, Jul 30, 3:43 PM EDT, 2 hours 11 minutes before
MAZ003-004-005-006-007-010-011-012-013-014-015-016-501-502-302045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 343 PM EDT SAT JUL 30 1994 ...SEVERE THUNDERSTORM WATCH FOR WESTERN...CENTRAL...AND NORTHEASTERN MASSACHUSETTS UNTIL 8 PM... AT 340 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING INTO WESTERN WORCESTER COUNTY NEAR PETERSHAM. GUSTY WINDS TO 30 MPH HAVE BEEN REPORTED WITH THESE STORMS. THEY WERE MOVING TO THE NORTHEAST AT 35 MPH. OTHER THUNDERSTORMS...WITH LOCALLY HEAVY DOWNPOURS...CONTINUED TO REDEVELOP IN NORTHERN WORCESTER COUNTY FROM ATHOL TO ASHBURNHAM. RADAR ESTIMATED THAT BETWEEN 1 AND 2 INCHES OF RAIN HAD ALREADY FALLEN NEAR WINCHENDON IN NORTHERN WORCESTER COUNTY. AN ISOLATED STRONG THUNDERSTORM HAD DEVELOPED IN EASTERN ESSEX COUNTY NEAR IPSWICH. THIS WILL BE MOVING OFF THE COASTAL WATERS BETWEEN 345 PM AND 4 PM. IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SAFETY. REMEMBER...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS. STAY TUNED TO THE WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. FIELD
Special weather statement, Jul 30, 4:52 PM EDT, 1 hour 2 minutes before
MAZ002>016-501-502-302200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 452 PM EDT SAT JUL 30 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR WESTERN... CENTRAL AND NORTHEASTERN MASSACHUSETTS... AT 445 PM...NATIONAL WEATHER SERVICE RADAR FROM TAUNTON SHOWED A STRONG THUNDERSTORM NEAR LEOMINSTER. THIS STORM WAS HEADING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE NEAR LUNENBURG...AYER AND GROTON BY 5 PM. THIS STORM WILL CONTAIN HEAVY DOWNPOURS AND POSSIBLE GUSTY WINDS AND HAIL. RADAR SHOWED NO OTHER ACTIVITY THROUGH 445 PM ACROSS THE REST OF MASSACHUSETTS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF MASSACHUSETTS THROUGH 8 PM. STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE OVER NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION. VALLIER-TALBOT
Special weather statement, Jul 30, 4:55 PM EDT, 59 minutes before
MAZ002>016-501-502-302200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 452 PM EDT SAT JUL 30 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR WESTERN... CENTRAL AND NORTHEASTERN MASSACHUSETTS... AT 445 PM...NATIONAL WEATHER SERVICE RADAR FROM TAUNTON SHOWED A STRONG THUNDERSTORM NEAR LEOMINSTER. THIS STORM WAS HEADING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE NEAR LUNENBURG...AYER AND GROTON BY 5 PM. THIS STORM WILL CONTAIN HEAVY DOWNPOURS AND POSSIBLE GUSTY WINDS AND HAIL. RADAR SHOWED NO OTHER ACTIVITY THROUGH 445 PM ACROSS THE REST OF MASSACHUSETTS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF MASSACHUSETTS THROUGH 8 PM. STAY TTUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE OVER NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION. VALLIER-TALBOT
Local storm report, Jul 30, 5:43 PM EDT, 11 minutes before
LOCAL STORM REPORT...DELAYED REPORT
NATIONAL WEATHER SERVICE BOSTON MA
543 PM EDT SAT JUL 30 1994
110-125 PM EDT FT. DEVENS MAINLY NE WORCESTER CO...SEVERAL
MILITARY BASE TREES BLOWN DOWN/UPROOTED.
POSSIBLY AS MANY AS 3 BUILDINGS
FLATTENED BY WINDS...1 BY FIRE.
UNCONFIRMED REPORTS OF A TORNADO
THAT MAY HAVE TOUCHED DOWN BRIEFLY.
NWS WILL INVESTIGATE THIS DAMAGE
FURTHER.
FIELDLocal storm report, Jul 30, 5:44 PM EDT, 10 minutes before
LOCAL STORM REPORT...DELAYED REPORT
NATIONAL WEATHER SERVICE BOSTON MA
543 PM EDT SAT JUL 30 1994
110-125 PM EDT FT. DEVENS MAINLY NE WORCESTER CO...SEVERAL
MILITARY BASE TREES BLOWN DOWN/UPROOTED.
POSSIBLY AS MANY AS 3 BUILDINGS
FLATTENED BY WINDS...1 BY FIRE.
UNCONFIRMED REPORTS OF A TORNADO
THAT MAY HAVE TOUCHED DOWN BRIEFLY.
NWS WILL INVESTIGATE THIS DAMAGE
FURTHER.
FIELDNearby
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.