Alert archive / Connecticut / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 46, NWS Boston/Norton, MA

July 8, 1994Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 1994, 4:18 PM EDT for Northeastern Connecticut Planning Region, Connecticut. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1994, 4:18 PM EDT (20:18 UTC)
Expired
Jul 8, 1994, 5:15 PM EDT
In force
57 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Northeastern Connecticut Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.3 hours before the alert went out and 167 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, Chatham, MA at 12:00Z on 1994-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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, Chatham, MA at 12:00Z on 1994-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
29 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBDL 082019
SVRBDL
CTC015-082115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
418 PM EDT FRI JUL 8 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 NORTHEAST CONNECTICUT
 
   ...WINDHAM COUNTY
 
A SEVERE THUNDERSTORM HAS DEVELOPED OVER WINDHAM COUNTY AND IS PRODUCING
STRONG GUSTY WINDS AND HAIL. THESE STORMS OVER CONNECTICUT HAVE PRODUCE
FREQUENT LIGHTNING AND POWER OUTAGES ACROSS THE STATE.
 
 
IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR SEVZERE 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 8, 2:19 PM EDT, 1 hour 59 minutes before
MAZ002>MAZ004-MAZ008>MAZ012-CTZALL-082015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
218 PM EDT FRI JUL 8 1994

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND WESTERN MASSACHUSETTS AND
   ALL OF CONNECTICUT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND WESTERN
MASSACHUSETTS AND ALL OF CONNECTICUT UNTIL 8 PM EDT.  STRONG
THUNDERSTORMS IN SOUTHEAST NEW YORK WERE MOVING EAST AT 25 MPH AND HAVE
DAMAGED POWER LINES AND DOWNED TREES.  THESE STORMS WILL CONTINUE EAST
INTO CONNECTICUT.  MORE STORMS WILL FORM AT OTHER PLACES IN THE HOT
HUMID AIR.

IF RADAR OR OBSERVERS INDICATE HIGH WIND OR LARGE HAIL A WARNING WILL
BE ISSUED FOR SPECIFIC AREAS.  RESIDENTS SfHOULD BE PREPARED TO SEEK SAFE
SHELTER AND AVOID LOW AREAS WHICH CAN FLOOD DURING VERY HEAVY RAIN.

THF
Special weather statement, Jul 8, 2:35 PM EDT, 1 hour 43 minutes before
CTZ001-004-008-012-082000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
233 PM EDT FRI JUL 08 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF CONNECTICUT UNTIL
800 PM...

AT 230 PM EDT RADAR INDICATED HEAVY THUNDERSTORMS IN CENTRAL HARTFORD
COUNTY. THUNDERSTORMS ARE MOVING SLOWLY AND HAVE THE POTENTIAL TO
PRODUCE TORRENTIAL RAINS IN A SHORT PERIOD OF TIME AND MAY RESULT IN
STREET FLOODING. THESE STORMS ALSO HAVE THE POTENTIAL TO PRODUCE
STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORMS WILL CONTINUE
TO MOVE SLOWLY EAST INTO TOLLAND COUNTY AROUND 3OO PM.

OTHER INTENSE THUNDERSTORMS WERE LOCATED IN SOUTHEASTERN NEW YORK
STATE. THESE STORMS ARE MOVING SLOWLY EAST AND COULD ENTER WESTERN
CONNECTICUT OVER THE NEXT HOUR. SEVERE THUNDERSTORMS ARE POSSIBLE
ANYWHERE ACROSS CONNECTICUT THIS AFTERNOON AND EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND T.V. STATION
FOR LATER UPDATES AND POSSIBLE WARNINGS.

NOTCHEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:45 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region60 min
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, 4:37 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.