Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 71, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 21, 1994, 3:53 PM EDT for Franklin County, Massachusetts. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1994, 3:53 PM EDT (19:53 UTC)
- Expired
- Aug 21, 1994, 4:45 PM EDT
- In force
- 52 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 7.9 hours before the alert went out and 102 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
- 138 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 796 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 211955 RRA SVRBOS MAC011-212045- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 353 PM EDT SUN AUG 21 1994 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST MASSACHUSETTS ...FRANKLIN COUNTY AT 355 PM EDT A SEVERE THUNDERSTORM MOVING THROUGH HAMPSHIRE COUNTY WAS MOVING INTO SOUTHWEST FRANKLIN COUNTY 15 MILES SOUTHEAST OF ASHFIELD. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 35 MPH TOWARD GREENFIELD AND SHELBURNE. 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, Aug 21, 2:37 PM EDT, 1 hour 16 minutes before
MAZ002-003-004-005-008-009-010-011-012-CTZALL-220000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 237 PM EDT SUN AUG 21 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM FOR MUCH OF CONNECTICUT AND CENTRAL AND WESTERN MASSACHUSETTS... WITH AMPLE MOISTURE AND AN UNSTABLE ATMOSPHERE...THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS ACROSS MUCH OF CONNECTICUT AND CENTRAL AND WESTERN MASSACHUSETTS. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. AT 230 PM THUNDERSTORMS HAD MOVED INTO EASTERN NEW YORK AND SOUTHERN VERMONT. THE STORMS WILL CONTINUE TO MOVE SOUTH AND EAST DURING THE AFTERNOON. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. GURKA
Special weather statement, Aug 21, 3:30 PM EDT, 23 minutes before
CTZ001-002-009-212100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 335 PM EDT SUN AUG 21 1994 ...THUNDERSTORMS MOVING INTO WESTERN CONNECTICUT... AT 330 PM RADAR INDICATED AN AREA OF THUNDERSTORMS EXTENDING FROM NEAR POUGHKEEPSIE IN NEW YORK NORTHEAST INTO LITCHFIELD COUNTY NEAR SHARON...KENT...AND GOSHEN. THE AREA IS MOVING TO THE EAST AT 25 MILES PER HOUR AND WILL MOVE INTO TORRINGTON IN LITCHFIELD COUNTY AND SHERMAN AND NEW FARIFIELD IN FAIRFIELD COUNTY BY 415 PM. THESE THUNDERSTORMS CAN PRODUCE HEAVY RAINS...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING. STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION STATIONS FOR ANY UPDATES ON THESE STOR(MS. PIERCE
Special weather statement, Aug 21, 3:35 PM EDT, 18 minutes before
CTZ001-002-005-212100- SPECIAL WEATHER STATEMENT...CORRECTED FOR ZONE NATIONAL WEATHER SERVICE HARTFORD CT 335 PM EDT SUN AUG 21 1994 ...THUNDERSTORMS MOVING INTO WESTERN CONNECTICUT... AT 330 PM RADAR INDICATED AN AREA OF THUNDERSTORMS EXTENDING FROM NEAR POUGHKEEPSIE IN NEW YORK NORTHEAST INTO LITCHFIELD COUNTY NEAR SHARON...KENT...AND GOSHEN. THE AREA IS MOVING TO THE EAST AT 25 MILES PER HOUR AND WILL MOVE INTO TORRINGTON IN LITCHFIELD COUNTY AND SHERMAN AND NEW FARIFIELD IN FAIRFIELD COUNTY BY 415 PM. THESE THUNDERSTORMS CAN PRODUCE HEAVY RAINS...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING. STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION STATIONS FOR ANY UPDATES ON THESE STORMS. PIERCE
Special weather statement, Aug 21, 3:37 PM EDT, 16 minutes before
CTZ001-002-005-212100- SPECIAL WEATHER STATEMENT...CORRECTED FOR ZONE NATIONAL WEATHER SERVICE HARTFORD CT 335 PM EDT SUN AUG 21 1994 ...THUNDERSTORMS MOVING INTO WESTERN CONNECTICUT... AT 330 PM RADAR INDICATED AN AREA OF THUNDERSTORMS EXTENDING FROM NEAR POUGHKEEPSIE IN NEW YORK NORTHEAST INTO LITCHFIELD COUNTY NEAR SHARON...KENT...AND GOSHEN. THE AREA IS MOVING TO THE EAST AT 25 MILES PER HOUR AND WILL MOVE INTO TORRINGTON IN LITCHFIELD COUNTY AND SHERMAN AND NEW FARIFIELD IN FAIRFIELD COUNTY BY 415 PM. THESE THUNDERSTORMS CAN PRODUCE HEAVY RAINS...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING. STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION STATIONS FOR ANY UPDDATES ON THESE STORMS. PIERCE
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:34 PM EDT | Severe Thunderstorm Warning | BOX | Hampshire | 26 min |
| Aug 21, 4:53 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 52 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.