Alert archive / Rhode Island / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 47, NWS Boston/Norton, MA

July 8, 1994Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 1994, 4:30 PM EDT for Kent County, Providence County, Rhode Island. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 1994, 4:30 PM EDT (20:30 UTC)
Expired
Jul 8, 1994, 6:30 PM EDT
In force
2 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Kent County, RI, Providence County, RI

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.5 hours before the alert went out and 134 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 KPVD 082034
SVRPVD
RIC003-007-082230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PROVIDENCE RI
430 PM EDT FRI JUL 8 1994
 
THE NATIONAL WEATHER SERVICE IN PROVIDENCE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  RHODE ISLAND
 
   ...KENT COUNTY...PROVIDENCE COUNTY
 
AND THE ADJACENT WATERS OF NARRAGANSETT BAY.
 
A SEVERE THUNDERSTORM IS IN WINHAM COUNTY IN CONNECTICUT AND IS MOVING
EAST AT ABOUT 20 MPH THIS STORM WILL MOVE INTO KENT AND PROVIDENCE
COUNTIES WITHIN THE NEXT HOUR. THE STORM OVER CONNECTICUT HAS PRODUCED
FREQUENT LIGHTNING AND POWER OUTAGES ACROSS THE STATE.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
 
RFS

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, 2 hours 11 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 55 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

Nearby

Severe Thunderstorm Warnings in Rhode Island, 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.