Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 76, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 9, 1994, 5:21 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Sep 9, 1994, 5:21 PM EDT (21:21 UTC)
- Expired
- Sep 9, 1994, 6:15 PM EDT
- In force
- 54 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, 9.4 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.
- Mixed-layer CAPE
- 5 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 1500 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 129 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 092123 RRA SVRBOS MAC017-027-092215- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 521 PM EDT FRI SEP 9 1994 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN MASSACHUSETTS ...WESTERN MIDDLESEX COUNTY IN CENTRAL MASSACHUSETTS ...EASTERN WORCESTER COUNTY AT 520 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN WORCESTER COUNTY NEAR NORTHBORO. THIS STORM IS MOVING EAST AT 35 MPH AND WILL MOVE INTO SOUTHBORO AND MARLBORO BY 600 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 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, Sep 9, 3:16 PM EDT, 2 hours 5 minutes before
RIZ001>- 005-CTZ004-092015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 314 PM EDT FRI SEP 9 1994 AT 310 PM NATIONAL WEATHER RADAR AT TAUNTON MA INDICATED THUNDERSTORMS OVER EASTERN WINDHAM COUNTY CONNECTICUT AND WERE MOVING EAST INTO PROVIDENCE AND KENT COUNTIES OF RHODE ISLAND. THESE STORMS WERE MOVING AT 30 TO 35 MPH AND MAY PRODUCE STRONG GUSTY WINDS AND POSSIBLE HAIL. THERE HAVE BEEN REPORTS THAT THESE STORMS ARE ALSO PRODUCING VERY HEAVY RAIN. KLEIN
Special weather statement, Sep 9, 3:44 PM EDT, 1 hour 37 minutes before
MAZ017-018-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 344 PM EDT FRI SEP 9 1994 AT 340 PM NATIONAL WERATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER NORTHERN RHODE ISLAND. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND WILL BE MOVING INTO BRISTOL AND PLYMOUTH COUNTIES OF MASSACHUSETTS BY 350 PM. KLEIN
Special weather statement, Sep 9, 3:45 PM EDT, 1 hour 36 minutes before
MAZ017-018-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 344 PM EDT FRI SEP 9 1994 AT 340 PM NATIONAL WERATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN...POSLSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER NORTHERN RHODE ISLAND. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND WILL BE MOVING INTO BRISTOL AND PLYMOUTH COUNTIES OF MASSACHUSETTS BY 350 PM. KLEIN
Special weather statement, Sep 9, 3:46 PM EDT, 1 hour 35 minutes before
MAZ017-018-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 344 PM EDT FRI SEP 9 1994 AT 340 PM NATIONAL WERATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN...POSNSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER NORTHERN RHODE ISLAND. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND WILL BE MOVING INTO BRISTOL AND PLYMOUTH COUNTIES OF MASSACHUSETTS BY 350 PM. KLEIN
Special weather statement, Sep 9, 3:50 PM EDT, 1 hour 31 minutes before
MAZ013-017>019-MAZ501-502-504-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 350 PM EDT FRI SEP 9 1994 AT 345 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER SOUTHERN NORFOLK COUNTY. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND WILL MOVING INTO FOXBORO AND MANSFIELD BY 350 PM. THIS STORM WILL ALSO BE AFFECTING BROCKTON AND OTHER PORTIONS OF PLYMOUTH COUNTY. KLEIN
Special weather statement, Sep 9, 3:54 PM EDT, 1 hour 27 minutes before
MAZ013-017>019-MAZ501-502-504-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 350 PM EDT FRI SEP 9 1994 AT 345 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER SOUTHERN NORFOLK COUNTY. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND WILL MOVING INTO FOXBORO AND MANSFIELD BY 350 PM. THIS STORM WILL ALSO BE AFFECTING BRO`CKTON AND OTHER PORTIONS OF PLYMOUTH COUNTY. KLEIN
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 4:06 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 26 min |
| Sep 9, 4:10 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 50 min |
| Sep 9, 5:07 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 53 min |
| Sep 9, 6:06 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth | 54 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.