Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 64, NWS Boston/Norton, MA

August 13, 1994Northwest Hills Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 13, 1994, 4:13 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Aug 13, 1994, 4:13 PM EDT (20:13 UTC)
Expired
Aug 13, 1994, 5:15 PM EDT
In force
62 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, 8.2 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 1994-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 423 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1994-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
423 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KBDL 132014 RRA
SVRBDL
CTC005-132115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
413 PM EDT SAT AUG 13 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST CONNECTICUT
 
   ...LITCHFIELD COUNTY
 
AT 410 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHERN LITCHFIELD
COUNTY NEAR THE CITY OF NEW MILFORD CONNECTICUT. THIS STORM IS MOVING
EAST AT 20 MILES PER HOUR. PEOPLE IN WATERTOWN AND THOMASTON SHOULD BE
ON THE LOOKOUT FOR THREATENING WEATHER IN THE NEXT HOUR.
 
 
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 ROAD.

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, Aug 13, 1:40 PM EDT, 2 hours 33 minutes before
MAZ002-003-004-008-009-010-011-CTZ001-002-003-005-006-007-009-010-
011-140000-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
140 PM EDT SAT AUG 13 1994

....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL
PORTIONS OF MASSACHUSETTS AND CONNECTICUT UNTIL 800 PM EDT...

AT 130 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS OVER WESTERN
PORTIONS OF NEW YORK AND PENNSYLVANIA AND SCATTERED THUNDERSTORMS OVER
EASTERN NEW YORK AND WESTERN MASSACHUSETTS.  THESE THUNDERSTORMS...WHICH
WERE MOVING TO THE NORTHEAST AT ABOUT 30 MPH HAVE THE POTENTIAL TO
PRODUCE LARGE HAIL DANGEROUS LIGHTNING AND DAMAGING WINDS ACROSS WESTERN
NEW ENGLAND THIS AFTERNOON AND EVENING.

IF YOU ARE IN THE WATCH AREA...PLEASE BE PREPARED TO SEEK SAFE SHELTER
IF THREATENING WEATHER APPROACHES.  STAY TUNED TO NOAA WEATHER RADIO OR
YOUR LOCAL RADIO OR TELEVISION STATIONS FOR UPDATES ON THE SEVERE
WEATHER THREAT.

GURKA
Special weather statement, Aug 13, 1:45 PM EDT, 2 hours 28 minutes before
MAZ002-003-004-008-009-010-011-CTZ001-002-003-005-006-007-009-010-
011-140000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
140 PM EDT SAT AUG 13 1994

....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL
PORTIONS OF MASSACHUSETTS AND CONNECTICUT UNTIL 800 PM EDT...

AT 130 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS OVER WESTERN
PORTIONS OF NEW YORK AND PENNSYLVANIA AND SCATTERED THUNDERSTORMS OVER
EASTERN NEW YORK AND WESTERN MASSACHUSETTS.  THESE THUNDERSTORMS...WHICH
WERE MOVING TO THE NORTHEAST AT ABOUT 30 MPH HAVE THE POTENTIAL TO PRODU
LARGE HAIL DANGEROUS LIGHTNING AND DAMAGING WINDS ACROSS WESTERN NEW
ENGLAND THIS AFTERNOON AND EVENING.

IF YOU ARE IN THE WATCH AREA...PLEASE BE PREPARED TO SEEK SAFE SHELTER
IF THREATENING WEATHER APPROACHES.  STAY TUNED TO NOAA WEATHER RADIO OR
YOUR LOCAL RADIO OR TELEVISION STATIONS FOR UPDATES ON THE SEVERE
WEATHER THREAT.

GURKA
Special weather statement, Aug 13, 1:49 PM EDT, 2 hours 24 minutes before
MAZ002-003-004-008-009-010-011-CTZ001-002-003-005-006-007-009-010-
011-140000-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
140 PM EDT SAT AUG 13 1994

....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL
PORTIONS OF MASSACHUSETTS AND CONNECTICUT UNTIL 800 PM EDT...

AT 130 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS OVER WESTERN
PORTIONS OF NEW YORK AND PENNSYLVANIA AND SCATTERED THUNDERSTORMS OVER
EASTERN NEW YORK AND WESTERN MASSACHUSETTS.  THESE THUNDERSTORMS...WHICH
WERE MOVING TO THE NORTHEAST AT ABOUT 30 MPH HAVE THE POTENTIAL TO
PRODUCE LARGE HAIL DANGEROUS LIGHTNING AND DAMAGING WINDS ACROSS WESTERN
NEW ENGLAND THIS AFTERNOON AND EVENING.

IF YOU ARE IN THE WATCH AREA...PLEASE BE PREPARED TO SEEK SAFE SHELTER
IF THREATENING WEATHER APPROACHES.  STAY TUNED TO NOAA WEATHER RADIO OR
YOUR LOCAL RADIO OR TELEVISION STATIONS FOR UPDATES ON THE SEVERE
WEATHER THREAT.

GURKA
Special weather statement, Aug 13, 3:40 PM EDT, 33 minutes before
CTZALL-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
340 PM EDT SAT AUG 13 1994

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL
CONNECTICUT...

AT 330 PM...RADAR INDICATED A THUNDERSTORM ENTERING SOUTHERN
LITCHFIELD COUNTY NEAR NEW MILFORD.  THESE  STORMS ARE CAPABLE OF
PRODUCING HAIL AND STRONG GUSTY WINDS AS WELL AS HEAVY DOWN POURS OF
RAIN.  PEOPLE LIVING IN WATERBURY SHOULD BE ON THE LOOKOUT IN THE NEXT
HOUR FOR HEAVY RAINS AND FREQUENT LIGHTNING.

 STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR ANY UPDATES ON THESE STORMS.

CHORNEY
Special weather statement, Aug 13, 3:43 PM EDT, 30 minutes before
CTZALL-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
340 PM EDT SAT AUG 13 1994

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL
CONNECTICUT...

AT 330 PM...RADAR INDICATED A THUNDERSTORM ENTERING SOUTHERN
LITCHFIELD COUNTY NEAR NEW MILFORD.  THESE  STORMS ARE CAPABLE OF
PRODUCING HAIL AND STRONG GUSTY WINDS AS WELL AS HEAVY DOWN POURS OF
RAIN.  PEOPLE LIVING IN WATERBURY SHOULD BE ON THE LOOKOUT IN TH|E NEXT
HOUR FOR HEAVY RAINS AND FREQUENT LIGHTNING.

 STAY TUNE TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO AND TELEVISION
STATIONS FOR ANY UPDATES ON THESE STORMS.

CHORNEY

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 5:27 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region63 min
Aug 13, 5:48 PM EDTSevere Thunderstorm WarningBOXSoutheastern Connecticut Planning Region, Northeastern Connecticut Planning Region57 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 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.