Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 46, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1993, 3:54 PM EDT for Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1993, 3:54 PM EDT (19:54 UTC)
- Expired
- Jul 10, 1993, 5:00 PM EDT
- In force
- 66 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Northeastern Connecticut Planning Region, CT, Southeastern Connecticut Planning Region, CT
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 7.9 hours before the alert went out and 172 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
- 107 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 1599 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 41 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 KBDL 101954 RRA SVRBDL CTC013-015-011-102100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HARTFORD CT 354 PM EDT SAT JUL 10 1993 THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL CONNECTICUT ...TOLLAND COUNTY IN NORTHEAST CONNECTICUT ...WINDHAM COUNTY IN SOUTHEAST CONNECTICUT ...NEW LONDON COUNTY AND THE ADJACENT COASTAL WATERS OF LONG ISLAND SOUND. SEVERE THUNDERSTORMS HAVE BEEN REPORTED THROUGHOUT NORTHERN CONNECTICUT. THERE HAS BEEN FREQUENT LIGHTNING ONE INCH SIZE HAIL AND MINOR WIND DAMAGE WITH WINDS GUSTING TO 45 MILES PER HOUR. PLEASE TAKE SHELTER IF YOU SEE THESE STORMS MOVE INTO YOUR AREA. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. &
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 10, 3:37 PM EDT, 17 minutes before
MAZALL-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 337 PM EDT SAT JUL 10 1993 ...A SEVERE THUNDERSTORM WATCH WAS IS IN EFFECT FOR VIRTUALLY ALL OF SOUTHERN NEW ENGLAND... GOLF BALL SIZED HAIL WAS REPORTED FROM A SKYWARN OBSERVER AT 325 PM IN WEST HARTFORD WITH AT LEAST 1 INCH DIAMETER HAIL REPORTED IN WINDSOR CONNECTICUT SHORTLY BEFORE 3PM ALONG WITH UPROOTED AND SNAPPED TREES. AT 330 PM...RADAR SHOWED THE STRONGEST THUNDERSTORMS MOVING EAST TO SOUTHEAST THROUGH NORTHERN CONNECTICUT WITH SHOWERS AND THUNDERSTORMS MOVING THROUGH SOUTHERN WORCESTER COUNTY...JUST SOUTH OF WORCESTER. OTHER SHOWERS WERE SEEN ON RADAR WELL EAST OF THE NEW HAMPSHIRE SHORELINE...ABOUT 25 MILES OFF THE COAST. PEOPLE WITH OUTDOOR ACTIVITY IN SOUTHEAST MASSACHUSETTS...ESPECIALLY ALONG AND SOUTH OF THE MASS PIKE IN THE COUNTIES OF BRISTOL...NORFOLK AND PLYMOUTH...INCLUDING BOSTON/S SOUTHERN SUBURBS SHOULD PAY SPECIAL ATTENTION TO LATER STATEMENTS AND OR WARNINGS THAT MAY BE ISSUED. LIGHTNING CAN KILL A PERSON UP TO 10 MILES AWAY FROM A STORM. TODAYS RECORD HEAT IN PARTS OF SOUTHERN NEW ENGLAND MAKES IT EASIER FOR THUNDERSTORMS TO GENERATE LARGE HAIL AND DAMAGING WIND. DRAG
Special weather statement, Jul 10, 3:38 PM EDT, 16 minutes before
MAZALL-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 337 PM EDT SAT JUL 10 1993 ...A SEVERE THUNDERSTORM WATCH WAS IS IN EFFECT FOR VIRTUALLY ALL OF SOUTHERN NEW ENGLAND... GOLF BALL SIZED HAIL WAS REPORTED FROM A SKYWARN OBSERVER AT 325 PM IN WEST HARTFORD WITH AT LEAST 1 INCH DIAMETER HAIL REPORTED IN WINDSOR CONNECTICUT SHORTLY BEFORE 3PM ALONG WITH UPROOTED AND SNAPPED TREES. AT 330 PM...RADAR SHOWED THE STRONGEST THUNDERSTORMS MOVING EAST TO SOUTHEAST THROUGH NORTHERN CONNECTICUT WITH SHOWERS AND THUNDERSTORMS MOVING THROUGH SOUTHERN WORCESTER COUNTY...JUST SOUTH OF WORCESTER. OTHER SHOWERS WERE SEEN ON RADAR WELL EAST OF THE NEW HAMPSHIRE SHORELINE...ABOUT 25 MILES OFF THE COAST. PEOPLE WITH OUTDOOR ACTIVITY IN SOUTHEAST MASSACHUSETTS...ESPECIALLY ALONG AND SOUTH OF THE MASS PIKE IN THE COUNTIES OF BRISTOL...NORFOLK AND PLYMOUTH...INCLUDING BOSTON/S SOUTHERN SUBURBS SHOULD PAY SPECIAL ATTENTION TO LATER STATEMENTS AND OR WARNINGS THAT MAY BE ISSUED. LIGHTNING CAN KILL A PERSON UP TO 10 MILES AWAY FROM A STORM. TODAYS RECORD HEAT IN PARTS OF SOUTHERN NEW ENGLAND MAKES IT EASIER FOR THUNDERSTORMS TO GENERATE LARGE HAIL AND DAMAGING WIND. DRAG
Special weather statement, Jul 10, 3:45 PM EDT, 9 minutes before
RIZ001-002-501-502-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PROVIDENCE RI 345 PM EDT SAT JUL 10 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF RHODE ISLAND UNTIL 900 PM... AT 343 PM...SEVERE THUNDERSTORMS WERE ABOUT TO MOVE INTO WINDHAM COUNTY IN NORTHEAST CONNECTICUT. THESE STORMS HAVE PRODUCED 1 INCH DIAMETER HAIL AND HAVE UPROOTED LARGE TREES OVER TOLLAND COUNTY IN NORTH CENTRAL CONNECTICUT. STRONG THUNDERSTORMS WILL BEGIN TO AFFECT NORTHWEST RHODE ISLAND BY 430 PM. THESE STORMS MAY CONTAIN HAIL AND GUSTY WIND. IF YOU ARE OUTDOORS ACROSS NORTHWEST RHODE ISLAND...BE READY TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. CADIMA
Special weather statement, Jul 10, 3:46 PM EDT, 8 minutes before
RIZ001-002-501-502-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PROVIDENCE RI 345 PM EDT SAT JUL 10 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF RHODE ISLAND UNTIL 900 PM... AT 343 PM...SEVERE THUNDERSTORMS WERE ABOUT TO MOVE INTO WINDHAM COUNTY IN NORTHEAST CONNECTICUT. THESE STORMS HAVE PRODUCED 1 INCH DIAMETER HAIL AND HAVE UPROOTED LARGE TREES OVER TOLLAND COUNTY IN NORTH CENTRAL CONNECTICUT. STRONG THUNDERSTORMS WILL BEGIN TO AFFECT NORTHWEST RHODE ISLAND BY 430 PM. THESE STORMS MAY CONTAIN HAIL AND GUSTY WIND. IF YOU ARE OUTDOORS ACROSS NORTHWEST RHODE ISLAND...BE READY TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. CADIMA
Special weather statement, Jul 10, 3:50 PM EDT, 4 minutes before
MAZALL-CTZALL-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 350 PM EDT SAT JUL 10 1993 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR FRANKLIN...HAMPSHIRE AND HAMPDEN COUNTIES OF WESTERN MASSACHUSETTS.... ESSENTIALLY THE THREAT FOR SEVERE THUNDERSTORMS HAS DIMINISHED FROM WORCESTER WEST AND NORTH TO THE NEW YORK AND VERMONT BORDERS. HOWEVER...THE WATCH REMAINS IN EFFECT FOR THE REST OF EASTERN MASSACHUSETTS FROM JUST EAST OF WORCESTER TO THE COAST AS WELL AS ALL OF RHODE ISLAND AND CONNECTICUT. NICKEL SIZED HAIL WAS REPORTED IN GLASTONBURY CONNECTICUT AT 343 PM. GOLF BALL SIZED HAIL WAS ALSO REPORTED FROM A SKYWARN OBSERVER AT 325 PM IN WEST HARTFORD WITH AT LEAST 1 INCH DIAMETER HAIL REPORTED IN WINDSOR CONNECTICUT SHORTLY BEFORE 3PM ALONG WITH UPROOTED AND SNAPPED TREES. AT 348 PM...RADAR SHOWED THE STRONGEST THUNDERSTORMS MOVING EAST TO SOUTHEAST THROUGH NORTHERN CONNECTICUT WITH SHOWERS AND THUNDERSTORMS MOVING THROUGH SOUTHEAST WORCESTER COUNTY...JUST SOUTHEAST OF WORCESTER. OTHER SHOWERS WERE SEEN ON RADAR WELL EAST OF THE NEW HAMPSHIRE SHORELINE...ABOUT 25 MILES OFF THE COAST. PEOPLE WITH OUTDOOR ACTIVITY IN SOUTHEAST MASSACHUSETTS...ESPECIALLY ALONG AND SOUTH OF THE MASS PIKE IN THE COUNTIES OF BRISTOL...NORFOLK AND PLYMOUTH...INCLUDING BOSTON/S SOUTHERN SUBURBS SHOULD PAY SPECIAL ATTENTION TO LATER STATEMENTS AND OR WARNINGS THAT MAY BE ISSUED. LIGHTNING CAN KILL A PERSON UP TO 10 MILES AWAY FROM A STORM. TODAYS RECORD HEAT IN PARTS OF SOUTHERN NEW ENGLAND MAKES IT EASIER FOR THUNDERSTORMS TO GENERATE LARGE HAIL AND DAMAGING WIND. DRAG : )!$]6FRhz%vV8 "x~lj.fT^D>@"( F,j
Special weather statement, Jul 10, 3:51 PM EDT, 3 minutes before
MAZALL-CTZALL-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 350 PM EDT SAT JUL 10 1993 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR FRANKLIN...HAMPSHIRE AND HAMPDEN COUNTIES OF WESTERN MASSACHUSETTS.... ESSENTIALLY THE THREAT FOR SEVERE THUNDERSTORMS HAS DIMINISHED FROM WORCESTER WEST AND NORTH TO THE NEW YORK AND VERMONT BORDERS. HOWEVER...THE WATCH REMAINS IN EFFECT FOR THE REST OF EASTERN MASSACHUSETTS FROM JUST EAST OF WORCESTER TO THE COAST AS WELL AS ALL OF RHODE ISLAND AND CONNECTICUT. NICKEL SIZED HAIL WAS REPORTED IN GLASTONBURY CONNECTICUT AT 343 PM. GOLF BALL SIZED HAIL WAS ALSO REPORTED FROM A SKYWARN OBSERVER AT 325 PM IN WEST HARTFORD WITH AT LEAST 1 INCH DIAMETER HAIL REPORTED IN WINDSOR CONNECTICUT SHORTLY BEFORE 3PM ALONG WITH UPROOTED AND SNAPPED TREES. AT 348 PM...RADAR SHOWED THE STRONGEST THUNDERSTORMS MOVING EAST TO SOUTHEAST THROUGH NORTHERN CONNECTICUT WITH SHOWERS AND THUNDERSTORMS MOVING THROUGH SOUTHEAST WORCESTER COUNTY...JUST SOUTHEAST OF WORCESTER. OTHER SHOWERS WERE SEEN ON RADAR WELL EAST OF THE NEW HAMPSHIRE SHORELINE...ABOUT 25 MILES OFF THE COAST. PEOPLE WITH OUTDOOR ACTIVITY IN SOUTHEAST MASSACHUSETTS...ESPECIALLY ALONG AND SOUTH OF THE MASS PIKE IN THE COUNTIES OF BRISTOL...NORFOLK AND PLYMOUTH...INCLUDING BOSTON/S SOUTHERN SUBURBS SHOULD PAY SPECIAL ATTENTION TO LATER STATEMENTS AND OR WARNINGS THAT MAY BE ISSUED. LIGHTNING CAN KILL A PERSON UP TO 10 MILES AWAY FROM A STORM. TODAYS RECORD HEAT IN PARTS OF SOUTHERN NEW ENGLAND MAKES IT EASIER FOR THUNDERSTORMS TO GENERATE LARGE HAIL AND DAMAGING WIND. DRAG
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 2:45 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 45 min |
| Jul 10, 3:02 PM EDT | Severe Thunderstorm Warning | BOX | 58 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 1993Every severe thunderstorm warning in 1993
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.