Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 24, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1993, 5:56 PM EDT for Worcester County, Massachusetts. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1993, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 7, 1993, 7:00 PM EDT
- In force
- 64 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Worcester County, MA
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 9.9 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
- 1332 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 638 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 5:15 PM EDT, 41 minutes before
CTZ001-002-003-MAZ005-072300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 515 PM EDT WED JUL 07 1993 ...A LINE OF THUNDERSTORMS WAS APPROACHING NORTHERN CONNECTICUT LATE THIS AFTERNOON... AT 515 PM...A LINE OF THUDERSTORMS...SOME WITH HEAVY RAIN...HIGH WIND AND FREQUENT LIGHTNING...STRETCHED FROM WORCESTER MASSACHUSETTS TO SPRINGFIELD AND INTO EASTERN NEW YORK STATE NEAR POUGHKEEPSIE. THIS LINE WAS MOVING EAST AT 20 MILES AN HOUR. THE NORTHERN COMMUNITIES OF CONNECTICUT WILL LIKELY EXPERIENCE NUMEROUS SHOWERS ALONG WITH THE THREAT FOR SOME THUNDERSTORMS WITH TORRENTIAL RAIN BETWEEN 530 PM AND 630 PM. IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER INDOORS. STAY TUNED FOR LATER STATEMENTS ON THESE DEVELOPING THUNDERSTORMS.
Special weather statement, Jul 7, 5:23 PM EDT, 33 minutes before
CTZ001-002-003-MAZ005-072300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 515 PM EDT WED JUL 07 1993 ...A LINE OF THUNDERSTORMS WAS APPROACHING NORTHERN CONNECTICUT LATE THIS AFTERNOON... AT 515 PM...A LINE OF THUDERSTORMS...SOME WITH HEAVY RAIN...HIGH WIND AND FREQUENT LIGHTNING...STRETCHED FROM WORCESTER MASSACHUSETTS TO SPRINGFIELD AND INTO EASTERN NEW YORK STATE NEAR POUGHKEEPSIE. THIS LINE WAS MOVING EAST AT 20 MILES AN HOUR. THE NORTHERN COMMUNITIES OF CONNECTICUT WILL LIKELY EXPERIENCE NUMEROUS SHOWERS ALONG WITH THE THREAT FOR SOME THUNDERSTORMS WITH TORRENTIAL RAIN BETWEEN 530 PM AND 630 PM. IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER INDOORS.` STAY TUNED FOR LATER STATEMENTS ON THESE DEVELOPING THUNDERSTORMS.
Special weather statement, Jul 7, 5:25 PM EDT, 31 minutes before
MAZ001-002-007-008-501-502-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 525 PM EDT WED JUL 7 1993 ...A SPECIAL MARINE WARNING CONTINUED IN EFFECT UNTIL 630 PM FOR THE COASTAL WATERS FROM GLOUCESTER TO PLYMOUTH... ALSO...A SEVERE THUNDERSTORM WARNING CONTINUED IN EFFECT FOR SOUTH CENTRAL WORCESTER COUNTY UNTIL 6 PM. THERE HAVE BEEN SEVERAL REPORTS OF TREES AND BRANCHES DOWN IN CARLISLE AND THE ACTON AREA OF BOSTON/S NORTHWEST SUBURBS AROUND 412 PM TO 420 PM...PROBABLY CAUSED BY LIGHTNING. VERY HEAVY RAINS HAVE BEEN REPORTED IN WORCESTERS SOUTHERN SUBURBS AROUND 515 PM. DRAG
Special weather statement, Jul 7, 5:26 PM EDT, 30 minutes before
MAZ001-002-007-008-501-502-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 525 PM EDT WED JUL 7 1993 ...A SPECIAL MARINE WARNING CONTINUED IN EFFECT UNTIL 630 PM FOR THE COASTAL WATERS FROM GLOUCESTER TO PLYMOUTH... ALSO...A SEVERE THUNDERSTORM WARNING CONTINUED IN EFFECT FOR SOUTH CENTRAL WORCESTER COUNTY UNTIL 6 PM. THERE HAVE BEEN SEVERAL REPORTS OF TREES AND BRANCHES DOWN IN CARLISLE AND THE ACTON AREA OF BOSTON/S vNORTHWEST SUBURBS AROUND 412 PM TO 420 PM...PROBABLY CAUSED BY LIGHTNING. VERY HEAVY RAINS HAVE BEEN REPORTED IN WORCESTERS SOUTHERN SUBURBS AROUND 515 PM. DRAG
Special weather statement, Jul 7, 5:45 PM EDT, 11 minutes before
RIZ001-002-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PROVIDENCE RI 545 PM EDT WED JUL 7 1993 ...THUNDERSTORMS MAY AFFECT NORTHERN RHODE ISLAND BETWEEN 6 AND 8 PM... WEATHER RADAR AT 540 PM INDICATED THUNDERSTORMS FROM NORTHWEST CONNECTICUT EASTWARD TO THE SOUTH SHORE OF BOSTON. THUS FAR THIS ACTIVITY HAS REMAINED JUST NORTH OF RHODE ISLAND. THESE STORMS SHOULD CONTINUE TO THE EAST NEAR 25 MPH AND MAY BRUSH NORTHERN PARTS OF RHODE ISLAND DURING THE EVENING. SOME OF THE STORMS HAVE PRODUCED LOCALLY GUSTY WINDS...TORRENTIAL DOWNPOURS AND EVEN SOME SMALL HAIL. IF YOU LIVE IN NORTHERN RHODE ISLAND...KEEP AN EYE ON THE SKY AND BE READY TO HEAD INSIDE SHOULD THUNDERSTORMS MOVE IN. VALLEE
Special weather statement, Jul 7, 5:47 PM EDT, 9 minutes before
RIZ001-002-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PROVIDENCE RI 545 PM EDT WED JUL 7 1993 ...THUNDERSTORMS MAY AFFECT NORTHERN RHODE ISLAND BETWEEN 6 AND 8 PM... WEATHER RADAR AT 540 PM INDICATED THUNDERSTORMS FROM NORTHWEST CONNECTICUT EASTWARD TO THE SOUTH SHORE OF BOSTON. THUS FAR THIS ACTIVITY HAS REMAINED JUST NORTH OF RHODE ISLAND. THESE STORMS SHOULD CONTINUE TO THE EAST NEAR 25 MPH AND MAY BRUSH NORTHERN PARTS OF RHODE ISLAND DURING THE EVENING. SOME OF THE STORMS HAVE PRODUCED LOCALLY GUSTY WINDS...TORRENTIAL DOWNPOURS AND EVEN SOME SMALL HAIL. IF YOU LIVE IN NORTHERN RHODE ISLAND...KEEP AN EYE ON THE SKY AND BE READY TO HEAD INSIDE SHOULD THUNDERSTORMS MOVE IN. VALLEE
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:45 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 60 min |
| Jul 7, 5:01 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 59 min |
| Jul 7, 6:43 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 47 min |
| Jul 7, 5:43 PM EDT | Severe Thunderstorm Warning | BOX | Northwest Hills Planning Region | 32 min |
| Jul 7, 6:14 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 46 min |
| Jul 7, 7:04 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 26 min |
| Jul 7, 7:28 PM EDT | Severe Thunderstorm Warning | BOX | Southeastern Connecticut Planning Region | 47 min |
| Jul 7, 6:07 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 68 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 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.