Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 38, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1994, 5:45 PM EDT for Franklin County, Massachusetts. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1994, 5:45 PM EDT (21:45 UTC)
- Expired
- Jul 7, 1994, 6:45 PM EDT
- In force
- 60 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, 9.8 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
- 1165 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 38 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 072146 SVRBOS MAC011-072245- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 545 PM EDT THU JUL 7 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 WEST MASSACHUSETTS ...FRANKLIN COUNTY WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS. THIS STORM WAS REPORTED TO HAVE KNOCKED DOWN SOME TREES AND POWERLINES IN GREENFIELD. THE THUNDERSTORM WAS MOVING SLOWLY NORTHEAST AND WILL CONTINUE TO AFFECT FRANKLIN COUNTY THROUGH AT LEAST 630 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 R>OAD.
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 7, 4:40 PM EDT, 1 hour 5 minutes before
MAZALL-RIZALL-CTZALL-MAZ501>504-RIZ501-080000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 441 PM EDT THU JUL 7 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND WESTERN MASSACHUSETTS...THE NORTHERN HALF OF RHODE ISLAND...AND ALL OF CONNECTICUT UNTIL 10 PM... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MASSACHUSETTS FROM BRISTOL AND NORFOLK COUNTIES EAST...PROVIDENCE AND KENT COUNTIES IN CENTRAL AND NORTHERN RHODE ISLAND...AND ALL OF CONNECTICUT. THOUGH THUNDERSTORMS IN EASTERN MASSACHUSETTS WERE SUBSIDING... ANOTHER AREA OF THUNDERSTORMS WAS RAPIDLY DEVELOPING IN EASTERN NEW YORK FROM ALBANY SOUTH TO POUGHKEEPSIE. THESE STORMS WILL MOVE EAST INTO WESTERN CONNECTICUT AND MASSACHUSETTS BETWEEN 5 AND 6 PM...AND SOME MAY BECOME SEVERE AS THEY MOVE INTO THE HOT AND HUMID AIRMASS IN PLACE ACROSS THE REGION. SEVERE THUNDERSTORMS CAN PRODUCE A COMBINATION OF LARGE HAIL AND DAMAGING WINDS. ALL (THUNDERSTORMS PRODUCE DANGEROUS LIGHTNING. ANYONE WITH OUTDOOR ACTIVITIES IN SOUTHERN NEW ENGLAND SHOULD KEEP A CLOSE WATCH ON THE SKIES AND BE READY TO HEAD INSIDE QUICKLY. VALLEE
Special weather statement, Jul 7, 4:41 PM EDT, 1 hour 4 minutes before
MAZALL-RIZALL-CTZALL-MAZ501>504-RIZ501-080000- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE TAUNTON MA 441 PM EDT THU JUL 7 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND WESTERN MASSACHUSETTS...THE NORTHERN HALF OF RHODE ISLAND...AND ALL OF CONNECTICUT UNTIL 10 PM... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MASSACHUSETTS FROM BRISTOL AND NORFOLK COUNTIES WESTWARD...PROVIDENCE AND KENT COUNTIES IN CENTRAL AND NORTHERN RHODE ISLAND...AND ALL OF CONNECTICUT. THOUGH THUNDERSTORMS IN EASTERN MASSACHUSETTS WERE SUBSIDING... ANOTHER AREA OF THUNDERSTORMS WAS RAPIDLY DEVELOPING IN EASTERN NEW YORK FROM ALBANY SOUTH TO POUGHKEEPSIE. THESE STORMS WILL MOVE EAST INTO WESTERN CONNECTICUT AND MASSACHUSETTS BETWEEN 5 AND 6 PM...AND SOME MAY BECOME SEVERE AS THEY MOVE INTO THE HOT AND HUMID AIRMASS IN PLACE ACROSS THE REGION. SEVERE THUNDERSTORMS CAN PRODUCE A COMBINATION OF LARGE HAIL AND DAMAGING WINDS. ALL THUNDERSTORMS PRODUCE DANGEROUS LIGHTNING. ANYONE WITH OUTDOOR ACTIVITIES IN SOUTHERN NEW ENGLAND SHOULD KEEP A CLOSE WATCH ON THE SKIES AND BE READY TO HEAD INSIDE QUICKLY. VALLEE
Special weather statement, Jul 7, 4:51 PM EDT, 54 minutes before
MAZALL-RIZALL-CTZALL-MAZ501>504-RIZ501-080000- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE TAUNTON MA 441 PM EDT THU JUL 7 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND WESTERN MASSACHUSETTS...THE NORTHERN HALF OF RHODE ISLAND...AND ALL OF CONNECTICUT UNTIL 10 PM... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MASSACHUSETTS FROM BRISTOL AND NORFOLK COUNTIES WESTWARD...PROVIDENCE AND KENT COUNTIES IN CENTRAL AND NORTHERN RHODE ISLAND...AND ALL OF CONNECTICUT. THOUGH THUNDERSTORMS IN EASTERN MASSACHUSETTS WERE SUBSIDING... ANOTHER AREA OF THUNDERSTORMS WAS RAPIDLY DEVELOPING IN EASTERN NEW YORK FROM ALBANY SOUTH TO POUGHKEEPSIE. THESE STORMS WILL MOVE EAST INTO WESTERN CONNECTICUT AND MASSACHUSETTS BETWEEN 5 AND 6 PM...AND SOME MAY BECOME SEVERE AS THEY MOVE INTO THE HOT AND HUMID AIRMASS IN PLACE ACROSS THE REGION. SEVERE THUNDERSTORMS CAN PRODUCE A COMBINATION OF LARGE HAIL AND LDAMAGING WINDS. ALL THUNDERSTORMS PRODUCE DANGEROUS LIGHTNING. ANYONE WITH OUTDOOR ACTIVITIES IN SOUTHERN NEW ENGLAND SHOULD KEEP A CLOSE WATCH ON THE SKIES AND BE READY TO HEAD INSIDE QUICKLY. VALLEE
Local storm report, Jul 7, 5:24 PM EDT, 21 minutes before
LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
523 PM EDT THU JUL 7 1994
TIME(EDT) TOWN COUNTY REPORT
12:52 PM N.EASTON BRISTOL WIND GUST TO 47 MPH (SPOTTER)
1:12 PM EASTON BRISTOL WIND GUST TO 57 MPH AND DIME
SIZE HAIL (SPOTTER)
1:15 PM EASTON BRISTOL GOLF BALL SIZE HAIL (POLICE)
1:45 PM BROCKTON PLYMOUTH DIME SIZE HAIL (SPOTTER)
1:51 PM WESTBORO WORCESTER DIME SIZE HAIL (OFF DUTY NWS
PERSONNEL)
1:58 PM WESTBORO WORCESTER PEA TO DIME SIZE HAIL (SPOTTER)
>
TIME(EDT) TOWN COUNTY REPORT
2:02 PM WESTBORO WORCESTER PEA TO DIME SIZE HAIL AND
LARGE TREES DOWN (SPOTTER)
2:15 PM TOWNSEND MIDDLESEX TREES DOWN (SPOTTER)
2:15 - WESTBORO WORCESTER NUMEROUS TREES...UP TO 4 FEET
2:25 PM IN DIAMETER DOWN, NUMEROUS POWER
LINES DOWN, STOREFRONT WINDOWS
BLOWN IN, TREES UP TO 100 FT HIGH
STRIPPED OF BARK (FROM NWS SURVEY)
2:33 PM MILFORD WORCESTER NICKLE SIZE HAIL (OFF DUTY NWS
PERSONNEL)
2:50 PM MEDWAY NORFOLK GOLF BALL SIZE HAIL AND HIGH
WINDS (POLICE)
3:22 PM N ATTLEBORO BRISTOL TREES DOWN
ADDITIONAL REPORTS WILL BE INCLUDED AS APPROPRIATE.
THOMPSON/WFO TAUNTONSpecial weather statement, Jul 7, 5:43 PM EDT, 2 minutes before
MAZ002-003-004-008-010-072245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 542 PM EDT THU JUL 7 1994 ...A SEVERE THUNDERSTORM WATCH CONTINUES ACROSS MUCH OF MASSACHUSETTS... THUNDERSTORMS WERE RAPIDLY INTENSIFYING IN FRANKLIN COUNTY...BETWEEN SHELBURNE FALLS TO ERVING. THESE STORMS MAY PRODUCE HEAVY RAINS AS WELL AS HAIL AND GUSTY WINDS AS THEY CONTINUE EAST TOWARD ATHOL IN NORTHWEST WORCESTER COUNTY BY 600 PM. OTHER THUNDERSTORMS WERE DEVELOPING IN EASTERN CONNECTICUT...WITH OTHER STORMS MOVING FROM THE BERKSHIRES TOWARD WESTERN HAMPSHIRE AND HAMPDEN COUNTY. ANY OF THESE STORMS COULD PRODUCE GUSTY WINDS...HAIL AND TORRENTIAL RAINFALL AS THEY MOVE SLOWLY EAST AND0 NORTHEAST. ANYONE OUTSIDE SHOULD BE READY TO HEAD INSIDE AS THESE STORMS APPROACH. VALLEE
Special weather statement, Jul 7, 5:44 PM EDT, 1 minute before
CTZ004-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 540 PM EDT THU JUL 07 1994 ...THUNDERSTORM OVER SOUTHERN WINDHAM COUNTY... AT 540 PM RADAR INDICATED A THUNDERSTORM OVER SOUTHERN WINDHAM COUNTY IN CONNECTICUT. THE THUNDERSTORM IS MOVING TO THE SOUTHEAST AT 15 MPH AND WILL ENTER RHODE ISLAND BY 630 PM. THIS THUNDERSTORM CAN PRODUCE TORRENTIAL RAINS AND STREET FLOODING...DANGEROUS LIGHTNING...AND GUSTY WINDS. S.TAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR LATER UPDATES. PIERCE
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:16 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 59 min |
| Jul 7, 1:27 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 63 min |
| Jul 7, 1:37 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 68 min |
| Jul 7, 1:45 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 30 min |
| Jul 7, 2:11 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 64 min |
| Jul 7, 2:11 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 49 min |
| Jul 7, 2:28 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 62 min |
| Jul 7, 2:41 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 64 min |
| Jul 7, 3:12 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 63 min |
| Jul 7, 6:56 PM EDT | Severe Thunderstorm Warning | BOX | Hampshire | 64 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.