Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 50, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 1994, 6:06 PM EDT for Middlesex County, Massachusetts. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1994, 6:06 PM EDT (22:06 UTC)
- Expired
- Jul 8, 1994, 7:15 PM EDT
- In force
- 69 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, 10.1 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
- 29 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 46 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 KPWM 082204 SVRBOS MAC017-082315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA ISSUED BY PORTLAND ME 606 PM EDT FRI JUL 8 1994 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN MASSACHUSETTS ...SOUTHERN MIDDLESEX COUNTY NATIONAL WEATHER SERVICE RADAR SHOWS A SEVERE THUNDERSTORM IN THE TOWN OF MILFORD...MOVING NORTHEAST TOWARD HOLLISTON AT 20 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 dYOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. JL/TEB
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 8, 4:49 PM EDT, 1 hour 17 minutes before
MAZ012-013-017>119-082200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 448 PM EDT FRI JUL 8 1994 ...THUNDERSTORMS WERE DEVELOPING RAPIDLY IN NORFOLK AND BRISTOL COUNTIES... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS DEVELOPING RAPIDLY IN THE TAUNTON AREA. THESE STORMS EXTEND FROM JUST WEST OF MIDDLEBORO TO MILLVILLE. THESE STORMS WERE HEADING EAST NEAR 20 MPH AND WILL AFFECT SOUTHERN WORCESTER...NORFOLK...NORTHERN BRISTOL AND NORTHERN PLYMOUTH COUNTIES WITH TORRENTIAL RAIN...SMALL HAIL AND GUSTY WINDS THROUGH 530 PM. BE READY TO HEAD INSIDE AS THESE STORMS APPROACH. VALLEE
Special weather statement, Jul 8, 5:22 PM EDT, 44 minutes before
MAZ012-013-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 522 PM EDT FRI JUL 8 1994 ...THUNDERSTORMS WERE RAPIDLY DEVELOPING IN SOUTHERN WORCESTER AND WESTERN NORFOLK COUNTIES... ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR WORCESTER COUNTY WEST TO BERKSHIRE COUNTY... WEATHER RADAR INDICATED THAT THUNDERSTORMS HAD RAPIDLY DEVELOPED IN SOUTHERN WORCESTER COUNTY...BETWEEN STURBRIDGE AND WHITINSVILLE. ANOTHER AREA OF THUNDERSTORMS WAS DEVELOPING OVER FRANKLIN IN NORFOLK COUNTY. ALL OF THE ACTIVITY WAS MOVING SLOWLY EAST AND WILL CONTINUE TO AFFECT THESE COUNTIES THROUGH 6 PM. SMALL HAIL AND GUSTY WINDS ARE LIKELY. TORRENTIAL RAINS MAY CAUSE LOCALIZED STREET FLOODING. ANYONE WITH OUTDOOR ACTIVITIES SHOULD PUT THEM ON HOLD UNTIL THESE STORMS MOVE THROUGH. IF OUTSIDE...BE READY TO HEAD INSIDE IMMEDIATELY. VALLEE
Special weather statement, Jul 8, 5:23 PM EDT, 43 minutes before
MAZ012-013-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 522 PM EDT FRI JUL 8 1994 ...THUNDERSTORMS WERE RAPIDLY DEVELOPING IN SOUTHERN WORCESTER AND WESTERN NORFOLK COUNTIES... ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR WORCESTER COUNTY WEST TO BERKSHIRE COUNTY... WEATHER RADAR INDICATED THAT THUNDERSTORMS HAD RAPIDLY DEVELOPED IN SOUTHERN WORCESTER COUNTY...BETWEEN STURBRIDGE AND WHITINSVILLE. ANOTHER AREA OF THUNDERSTORMS WAS DEVELOPING OVER FRANKLIN IN NORFOLK COUNTY. ALL OF THE ACTIVITY WAS MOVING SLOWLY EAST AND WILL CONTINUE TO AFFECT THESE COUNTIES THROUGH 6 PM. SMALL HAIL AND GUSTY WINDS ARE LIKELY. TORRENTIAL RAINS MAY CAUSE LOCALIZED STREETb FLOODING. ANYONE WITH OUTDOOR ACTIVITIES SHOULD PUT THEM ON HOLD UNTIL THESE STORMS MOVE THROUGH. IF OUTSIDE...BE READY TO HEAD INSIDE IMMEDIATELY. VALLEE
Special weather statement, Jul 8, 5:46 PM EDT, 20 minutes before
CTZ001>004-008-012-082345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 546 PM EDT FRI JUL 8 1994 ...FLASH FLOOD WARNING IN EFFECT FOR WINDHAM COUNTY UNTIL 715 PM... ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR HARTFORD COUNTY WILL BE ALLOWED TO EXPIRE AT 545... ...FLASHFLOOD WARNING IN EFFECT FOR SOUTHERN HARTFORD COUNTY UNTIL 600 PM... ...SEVERE THUNDERSTORM WARNINGS FOR WINDHAM...TOLLAND...LITCHFIELD COUNTY HAS EXPIRED... AT 540 PM EDT WEATHER SERVICE RADAR INDICATES THAT THE LINE OF INTENSE THUNDERSTORMS MOVING ACROSS HARTFORD COUNTY HAS WEAKENED AS IT CONTINUES TO MOVE SLOWLY EAST INTO WESTERN TOLLAND COUNTY. THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING TORRENTIAL RAINS...BRIEF GUSTY WINDS AND DANGEROUS LIGHTNING. THE SEVERE THUNDERSTORM THAT HAD BEEN OVER WINDHAM COUNTY HAS MOVED INTO NORTHERN RHODE ISLAND. THIS STORM HAS DUMPED OVER 3 INCHES OF RAINFALL AND THUS A FLASH FLOOD WARNING IS IN EFFECT UNTIL 715 PM FOR WINDHAM COUNTY. SHOWERS AND THUNDERSTORM ARE POSSIBLE OVER THE NEXT FEW HOURS...SOME OF WHICH COULD PRODUCE VERY HEAVY RAIN AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND T.V. STATIONS FOR LATER UPDATES. NOTCHEY WWUS30
Special weather statement, Jul 8, 5:48 PM EDT, 18 minutes before
CTZ001>004-008-012-082345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 546 PM EDT FRI JUL 8 1994 ...FLASH FLOOD WARNING IN EFFECT FOR WINDHAM COUNTY UNTIL 715 PM... ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR HARTFORD COUNTY WILL BE ALLOWED TO EXPIRE AT 545... ...FLASHFLOOD WARNING IN EFFECT FOR SOUTHERN HARTFORD COUNTY UNTIL 600 PM... ...SEVERE THUNDERSTORM WARNINGS FOR WINDHAM...TOLLAND...LITCHFIELD COUNTY HAS EXPIRED... AT 540 PM EDT WEATHER SERVICE RADAR INDICATES THAT THE LINE OF INTENSE THUNDERSTORMS MOVING ACROSS HARTFORD COUNTY HAS WEAKENED AS IT CONTINUES TO MOVE SLOWLY EAST INTO WESTERN TOLLAND COUNTY. THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING TORRENTIAL RAINS...BRIEF GUSTY WINDS AND DANGEROUS LIGHTNING. THE SEVERE THUNDERSTORM THAT HAD BEEN OVER WINDHAM COUNTY HAS MOVED INTO NORTHERN RHODE ISLAND. THIS STORM HAS DUMPED OVER 3 INCHES OF RAINFALL AND THUS A FLASH FLOOD WARNING IS IN EFFECT UNTIL 715 PM FOR WINDHAM COUNTY. SHOWERS AND THUNDERSTORM ARE POSSIBLE OVER THE NEXT FEW HOURS...SOME OF WHICH COULD PRODUCE VERY HEAVY RAIN AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND T.V. STATIONS FOR LATER UPDATES. NOTCHEY
Special weather statement, Jul 8, 6:05 PM EDT, 1 minute before
TTAA00 KBDL082205 LIGHTNING. THE SEVERE THUNDERSTORM THAT HAD BEEN OVER WINDHAM COUNTY HAS MOVED INTO NORTHERN RHODE ISLAND. THIS STORM HAS DUMPED OVER 3 INCHES OF RAINFALL AND THUS A FLASH FLOOD WARNING IS IN EFFECT UNTIL 715 PM FOR WINDHAM COUNTY. SHOWERS AND THUNDERSTORM ARE POSSIBLE OVER THE NEXT FEW HOURS...SOME OF WHICH COULD PRODUCE VERY HEAVY RAIN AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND T.V. STATIONS FOR LATER UPDATES. NOTCHEY
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:07 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 68 min |
| Jul 8, 5:44 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Worcester | 61 min |
| Jul 8, 6:14 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 61 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.