Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 42, NWS Boston/Norton, MA

July 7, 1994Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1994, 8:45 PM EDT for Capitol Planning Region, Connecticut. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 8:45 PM EDT (00:45 UTC)
Expired
Jul 7, 1994, 9:45 PM EDT
In force
60 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Capitol Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 0.8 hours before the alert went out and 142 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 00:00Z on 1994-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 324 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 00:00Z on 1994-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
324 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KBDL 080046 RRA
SVRBDL
CTC003-080145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
845 PM EDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL CONNECTICUT
 
   ...HARTFORD COUNTY
 
A POSSIBLE SEVERE THUNDERSTORM WAS LOCATED NEAR IN NORTHERN HARTFORD
COUNTY NEAR GRANBY AND SUFFIELD MOVING EAST AT 15 TO 20 MPH. THIS STORM
COULD CONTAIN STRONG AND DAMAGING WINDS...HAIL...TORRENTIAL RAINS WHICH
COULD RESULT IN STREET FLOODING AND DANGEROUS LIGHTING. THE STORM SHOULD
MOVE ACROSS THE WINDSORS AND ENFIELD OVER THE NEXT 30 TO 45 MINUTES AND
POSSIBLY INTO TOLLAND COUNTY.
 
 
 
IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
OFFICE.

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, 4:51 PM EDT, 3 hours 54 minutes before
MAZALL-RIZALL-CTZALL-MAZ501>504-RIZ501-080000-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE TAUNTON MA
441 PM EDT THU JUL 7 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND
WESTERN MASSACHUSETTS...THE NORTHERN HALF OF RHODE ISLAND...AND ALL OF
CONNECTICUT UNTIL 10 PM...

THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MASSACHUSETTS FROM
BRISTOL AND NORFOLK COUNTIES WESTWARD...PROVIDENCE AND KENT COUNTIES
IN CENTRAL AND NORTHERN RHODE ISLAND...AND ALL OF CONNECTICUT.

THOUGH THUNDERSTORMS IN EASTERN MASSACHUSETTS WERE SUBSIDING...
ANOTHER AREA OF THUNDERSTORMS WAS RAPIDLY DEVELOPING IN EASTERN NEW
YORK FROM ALBANY SOUTH TO POUGHKEEPSIE.  THESE STORMS WILL MOVE EAST
INTO WESTERN CONNECTICUT AND MASSACHUSETTS BETWEEN 5 AND 6 PM...AND
SOME MAY BECOME SEVERE AS THEY MOVE INTO THE HOT AND HUMID AIRMASS IN
PLACE ACROSS THE REGION.

SEVERE THUNDERSTORMS CAN PRODUCE A COMBINATION OF LARGE HAIL AND
LDAMAGING WINDS.  ALL THUNDERSTORMS PRODUCE DANGEROUS LIGHTNING.
ANYONE WITH OUTDOOR ACTIVITIES IN SOUTHERN NEW ENGLAND SHOULD KEEP A
CLOSE WATCH ON THE SKIES AND BE READY TO HEAD INSIDE QUICKLY.

VALLEE
Local storm report, Jul 7, 5:24 PM EDT, 3 hours 21 minutes before
LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
523 PM EDT THU JUL 7 1994

TIME(EDT)  TOWN           COUNTY      REPORT

12:52 PM   N.EASTON       BRISTOL     WIND GUST TO 47 MPH (SPOTTER)

 1:12 PM   EASTON         BRISTOL     WIND GUST TO 57 MPH AND DIME
                                      SIZE HAIL (SPOTTER)

 1:15 PM   EASTON         BRISTOL     GOLF BALL SIZE HAIL (POLICE)

 1:45 PM   BROCKTON       PLYMOUTH    DIME SIZE HAIL (SPOTTER)

 1:51 PM   WESTBORO       WORCESTER   DIME SIZE HAIL (OFF DUTY NWS
                                      PERSONNEL)

 1:58 PM   WESTBORO       WORCESTER   PEA TO DIME SIZE HAIL (SPOTTER)
>
TIME(EDT)  TOWN          COUNTY      REPORT

 2:02 PM   WESTBORO      WORCESTER   PEA TO DIME SIZE HAIL AND
                                     LARGE TREES DOWN (SPOTTER)

 2:15 PM  TOWNSEND       MIDDLESEX   TREES DOWN (SPOTTER)

 2:15 -   WESTBORO       WORCESTER   NUMEROUS TREES...UP TO 4 FEET
 2:25 PM                             IN DIAMETER DOWN, NUMEROUS POWER
                                     LINES DOWN, STOREFRONT WINDOWS
                                     BLOWN IN, TREES UP TO 100 FT HIGH
                                     STRIPPED OF BARK (FROM NWS SURVEY)

 2:33 PM  MILFORD        WORCESTER   NICKLE SIZE HAIL (OFF DUTY NWS
                                     PERSONNEL)

 2:50 PM  MEDWAY         NORFOLK     GOLF BALL SIZE HAIL AND HIGH
                                     WINDS (POLICE)

 3:22 PM  N ATTLEBORO    BRISTOL     TREES DOWN
ADDITIONAL REPORTS WILL BE INCLUDED AS APPROPRIATE.

THOMPSON/WFO TAUNTON
Special weather statement, Jul 7, 5:43 PM EDT, 3 hours 2 minutes before
MAZ002-003-004-008-010-072245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
542 PM EDT THU JUL 7 1994

...A SEVERE THUNDERSTORM WATCH CONTINUES ACROSS MUCH OF MASSACHUSETTS...

THUNDERSTORMS WERE RAPIDLY INTENSIFYING IN FRANKLIN COUNTY...BETWEEN
SHELBURNE FALLS TO ERVING.  THESE STORMS MAY PRODUCE HEAVY RAINS AS WELL
AS HAIL AND GUSTY WINDS AS THEY CONTINUE EAST TOWARD ATHOL IN NORTHWEST
WORCESTER COUNTY BY 600 PM.

OTHER THUNDERSTORMS WERE DEVELOPING IN EASTERN CONNECTICUT...WITH OTHER
STORMS MOVING FROM THE BERKSHIRES TOWARD WESTERN HAMPSHIRE AND HAMPDEN
COUNTY.  ANY OF THESE STORMS COULD PRODUCE GUSTY WINDS...HAIL AND
TORRENTIAL RAINFALL AS THEY MOVE SLOWLY EAST AND0 NORTHEAST.

ANYONE OUTSIDE SHOULD BE READY TO HEAD INSIDE AS THESE STORMS APPROACH.

VALLEE
Special weather statement, Jul 7, 5:44 PM EDT, 3 hours 1 minute before
CTZ004-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
540 PM EDT THU JUL 07 1994

...THUNDERSTORM OVER SOUTHERN WINDHAM COUNTY...

AT 540 PM RADAR INDICATED A THUNDERSTORM OVER SOUTHERN WINDHAM COUNTY
IN CONNECTICUT.  THE THUNDERSTORM IS MOVING TO THE SOUTHEAST AT 15 MPH
AND WILL ENTER RHODE ISLAND BY 630 PM.  THIS THUNDERSTORM CAN PRODUCE
TORRENTIAL RAINS AND STREET FLOODING...DANGEROUS LIGHTNING...AND GUSTY
WINDS.

S.TAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR LATER UPDATES.

PIERCE
Special weather statement, Jul 7, 6:25 PM EDT, 2 hours 20 minutes before
CTZALL-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
625 PM EDT THU JUL 07 1994

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF
CONNECTICUT...

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF CONNECTICUT
UNTIL 1000 PM.  AT 625 PM RADAR INDICATED A LINE OF THUNDERSTORMS IN
EASTERN NEW YORK STATE.  THIS LINE OF THUNDERSTORMS IS MOVING SLOWLY
TO THE SOUTHEAST TOWARDS CONNECTICUT.  THE THUNDERSTORMS WILL ENTER
WESTERN LITCHFIELD COUNTY BETWEEN 645 PM AND 715 PM.  THESE
THUNDERSTORMS CAN PRODUCE TORRENTIAL RAINS...DANGEROUS
LIGHTNING...GUSTY WINDS...AND HAIL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR LATER UPDATES.

PIERCE
Special weather statement, Jul 7, 6:28 PM EDT, 2 hours 17 minutes before
CTZALL-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
625 PM EDT THU JUL 07 1994

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF
CONNECTICUT...

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF CONNECTICUT
UNTIL 1000 PM.  AT 625 PM RADAR INDICATED A LINE OF THUNDERSTORMS IN
EASTERN NEW YORK STATE.  THIS LINE OF THUNDERSTORMS IS MOVING SLOWLY
TO THE SOUTHEAST TOWARDS CONNECTICUT.  THE THUNDERSTORMS WILL ENTER
WESTERN LITCHFIELD COUNTY BETWEEN 645 PM AND 715 PM.  THESE
THUNDERSTORMS CAN PRODUCE TORRENTIAL RAINS...DANGEROUS
LIGHTNING...GUSTY WINDS...AND HAIL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR LATER UPDATES.

PIERCE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 3:16 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region, Northwest Hills Planning Region59 min
Jul 8, 3:52 PM EDTSevere Thunderstorm WarningBOX68 min
Jul 8, 4:15 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region60 min
Jul 8, 4:18 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region57 min
Jul 8, 4:37 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region68 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.