Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 15, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 25, 1994, 7:44 PM EDT for Middlesex County, Massachusetts. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- May 25, 1994, 7:44 PM EDT (23:44 UTC)
- Expired
- May 25, 1994, 8:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Middlesex County, MA
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 11.7 hours before the alert went out and 148 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2042 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 141 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 252346 SVRBOS MAC017-260015- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 744 PM EDT WED MAY 25 1994 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN MASSACHUSETTS ...SOUTHERN MIDDLESEX COUNTY AT 745 PM...A SEVERE THUNDERSTORM WAS MOVING INTO EXTREME SOUTHERN MIDDLESEX COUNTY NEAR HOPKINTON. THE STORM WAS MOVING TO THE EAST AT 40 MPH. TOWNS IN THE PATH INCLUDE HOLLISTON...ASHLAND...AND NATICK. 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, May 25, 7:22 PM EDT, 22 minutes before
MAZ004-005-012>016-260015- SPECIAL WEATHER STATEMENT...CORRECTION TO CODING NATIONAL WEATHER SERVICE TAUNTON MA 720 PM EDT WED MAY 25 1994 AT 715 PM...RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS IN SOUTHERN AND EASTERN WORCESTER COUNTY...AND IN EXTREME SOUTHWESTERN MIDDLESEX COUNTY. THE STRONGEST STORM WAS NEAR OXFORD...APPROXIMATELY 10 MILES SOUTH OF OXFORD. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 40 MPH AND WILL BE PASSING OVE`R THE CITIES OF MARLBORO AND FRAMINGHAM BETWEEN 720 PM AND 815 PM. VERY HEAVY DOWNPOURS WILL ACCOMPANY THESE STORMS...ALONG WITH GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. LOCAL STREET FLOODING IS POSSIBLE. FIELD
Special weather statement, May 25, 7:25 PM EDT, 19 minutes before
MAZ004-010-012-252345 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WORCESTER MA 720 PM EDT WED MAY 25 1994 ...STRONG THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLE HAIL IS APPROACHING EAST CENTRAL MASSACHUSETTS... AT 815 PM NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM IN SOUTH WORCESTER COUNTY JUST EAST OF WORCESTER. THIS STORM IS MOVING TOWARD THE EAST AT ABOUT 40 MPH AND SHOULD BE IN THE GRAFTON AREA BETWEEN 725 AND 740 \PM. IF THREATENING WEATHER APPROACHES...BE PREPAED TO MOVE TO A PLACE OF SAFETY. EMERSON
Special weather statement, May 25, 7:30 PM EDT, 14 minutes before
MAZ004-005-012>016-260015- SPECIAL WEATHER STATEMENT...CORRECTED 1ST PARAGRAPH NATIONAL WEATHER SERVICE TAUNTON MA 730 PM EDT WED MAY 25 1994 AT 715 PM...RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS IN SOUTHERN AND EASTERN WORCESTER COUNTY...AND IN EXTREME SOUTHWESTERN MIDDLESEX COUNTY. THE STRONGEST STORM WAS NEAR OXFORD...APPROXIMATELY 10 MILES SOUTH OF WORCESTER. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 40 MPH AND WILL BE PASSING OVER THE CITIES OF MARLBORO AND FRAMINGHAM BETWEEN 720 PM AND 815 PM. VERY HEAVY DOWNPOURS WILL ACCOMPANY THESE STORMS...ALONG WITH GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. LOCAL STREET FLOODING IS POSSIBLE. FIELD
Special weather statement, May 25, 7:32 PM EDT, 12 minutes before
MAZ004-005-012>016-260015- SPECIAL WEATHER STATEMENT...CORRECTED 1ST PARAGRAPH NATIONAL WEATHER SERVICE TAUNTON MA 730 PM EDT WED MAY 25 1994 AT 715 PM...RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS IN SOUTHERN AND EASTERN WORCESTER COUNTY...AND IN EXTREME SOUTHWESTERN MIDDLESEX COUNTY. THE STRONGEST STORM WAS NEAR OXFORD...APPROXIMATELY 10 MILES SOUTH OF WORCESTER. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 40 MPH AND WILL BE PASSING OVER THE CITIES OF MARLBORO AND FRAMINGHAM BETWEEN 720 PM AND 815 PM. VERY HEAVY DOWNPOURS WILL ACCOMPANY THESE STORMS...ALONG WITH GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. LOCAL STREET FLOODING IS POSSIBLE. FIELD
Special weather statement, May 25, 7:35 PM EDT, 9 minutes before
MAZ004-010-012-260015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WORCESTER MA 735 PM EDT WED MAY 25 1994 AT 735 PM NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS IN SOUTH WORCESTER COUNTY NEAR GRAFTON. THESE THUNDERSTORMS WILL PASS NEAR UPTON AND JUST SOUTH OF WESTBORO. BETWEEN 740 AND 800PM. THE STORMS ARE MOVING EAST AT 40 MPH. PEA SIZE HAIL WAS REPORTED AT OXFORD AS THE STORM PASSED. EMERSON
Special weather statement, May 25, 7:42 PM EDT, 2 minutes before
MAZ004-010-012-260015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WORCESTER MA 735 PM EDT WED MAY 25 1994 AT 735 PM NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS IN SOUTH WORCESTER COUNTY NEAR GRAFTON. THESE THUNDERSTORMS WILL PASS NEAR UPTON AND JUST SOUTH OF WESTBORO. BETWEEN 740 AND 800PM. THE STORMS ARE MOVING EAST AT 40 MPH. PEA SIZE HAIL WAS REPORTED AT OXFORD AS THE STORM PASSED. EMERSON
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 4:56 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 49 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.