Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 23, NWS Boston/Norton, MA

July 7, 1993Northwest Hills Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1993, 5:43 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 32 min.

The area

The counties it named.

The facts

Issued: Jul 7, 1993, 5:43 PM EDT (21:43 UTC)
Expired: Jul 7, 1993, 6:15 PM EDT
In force: 32 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

County Northwest Hills Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.7 hours before the alert went out and 106 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

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, 4:45 PM EDT, 58 minutes before

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Special weather statement, Jul 7, 4:50 PM EDT, 53 minutes before

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Special weather statement, Jul 7, 5:15 PM EDT, 28 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, 20 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, 18 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, 17 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

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, 5:56 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	64 min
Jul 7, 6:43 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	47 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 Connecticut, 1993 Every 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.