Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 55, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 25, 1994, 12:46 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1994, 12:46 PM EDT (16:46 UTC)
- Expired
- Jul 25, 1994, 1:45 PM EDT
- In force
- 59 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Middlesex County, MA, Worcester County, MA
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 4.8 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.
- Mixed-layer CAPE
- 380 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 826 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KBOS 251648 RRA SVRBOS MAC017-027-251745- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 1246 PM EDT MON JUL 25 1994 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN MASSACHUSETTS ...MIDDLESEX COUNTY IN CENTRAL MASSACHUSETTS ...WORCESTER COUNTY A SEVERE THUNDERSTORM WAS DETECTED BY NATIONAL WEATHER SERVICE RADAR AT 1245 PM FROM WORCESTER TO MAYNARD. THESE STORM WERE MOVING EAST AT 25 MPH. 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, Jul 25, 12:39 PM EDT, 7 minutes before
MAZ004-005-012-251845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1239 PM EDT MON JUL 25 1994 AT 1235 PM WEATHER RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLY SMALL HAIL IN EASTERN WORCESTER COUNTY...NEAR WESTBORO. IT WAS MOVING EAST NORTHEAST AND WILL HEAD INTO WESTERN MIDDLESEX COUNTY BY 1 PM. THESE THUNDERSTORMS MAY BE ACCOMPANIED BY GUSTY WINDS...HEAVY RAINS AND SMALL HAIL AS THEY AFFECT EASTERN WORCESTER AND MIDDLESEX COUNTY. IF THUNDERSTORMS APPROACH...BE READY HEAD INDOORS. VALLEE
Special weather statement, Jul 25, 12:41 PM EDT, 5 minutes before
MAZ004-005-012-251845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1239 PM EDT MON JUL 25 1994 AT 1235 PM WEATHER RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLY SMALL HAIL IN EASTERN WORCESTER COUNTY...NEAR WESTBORO. IT WAS MOVING EAST NORTHEAST AND WILL HEAD INTO WESTERN MIDDLESEX COUNTY BY 1 PM. THESE THUNDERSTORMS MAY BE ACCOMPANIED BY GUSTY WINDS...HEAVY RAINS AND SMALL HAIL AS THEY AFFECT EASTERN WORCESTER AND MIDDLESEX COUNTY. IF THUNDERSTORMS APPROACH...BE READY HEAD INDOORS. VALLEE
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.