Alert archive / Rhode Island / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 77, NWS Boston/Norton, MA

September 9, 1994Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 9, 1994, 5:45 PM EDT for Kent County, Providence County, Rhode Island. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1994, 5:45 PM EDT (21:45 UTC)
Expired
Sep 9, 1994, 6:30 PM EDT
In force
45 min
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, 9.8 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 1994-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 1994-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
5 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1500 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
129 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 KBOS 092147 RRA
SVRBOS
RIC003-007-092230-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
545 PM EDT FRI SEP 9 1994
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL RHODE ISLAND
 
   ...KENT COUNTY
 
AND THE ADJACENT COASTAL WATERS.
 
 
IN NORTH RHODE ISLAND
 
   ...PROVIDENCE COUNTY
 
AT 540 :PM DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO
SOUTHERN PROVIDENCE AND KENT COUNTIES OF RHODE ISLAND. THIS STORM WAS
MOVING EAST AT 35 MPH AND WILL AFFECT MOOSUP VALLEY AND GREENE BY 615
PM.

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, Sep 9, 3:46 PM EDT, 1 hour 59 minutes before
MAZ017-018-092045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
344 PM EDT FRI SEP 9 1994

AT 340 PM NATIONAL WERATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH
VERY HEAVY RAIN...POSNSIBLE HAIL AND STRONG GUSTY WINDS WAS LOCATED OVER
NORTHERN RHODE ISLAND. THIS STORM WAS MOVING EAST AT 30 TO 35 MPH AND
WILL BE MOVING INTO BRISTOL AND PLYMOUTH COUNTIES OF MASSACHUSETTS BY
350 PM.

KLEIN
Special weather statement, Sep 9, 3:50 PM EDT, 1 hour 55 minutes before
MAZ013-017>019-MAZ501-502-504-092045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
350 PM EDT FRI SEP 9 1994

AT 345 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A
STRONG THUNDERSTORM WITH VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG
GUSTY WINDS WAS LOCATED OVER SOUTHERN NORFOLK COUNTY. THIS STORM WAS
MOVING EAST AT 30 TO 35 MPH AND WILL MOVING INTO FOXBORO AND MANSFIELD
BY 350 PM. THIS STORM WILL ALSO BE AFFECTING BROCKTON AND OTHER PORTIONS
OF PLYMOUTH COUNTY.

KLEIN
Special weather statement, Sep 9, 3:54 PM EDT, 1 hour 51 minutes before
MAZ013-017>019-MAZ501-502-504-092045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
350 PM EDT FRI SEP 9 1994

AT 345 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A
STRONG THUNDERSTORM WITH VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG
GUSTY WINDS WAS LOCATED OVER SOUTHERN NORFOLK COUNTY. THIS STORM WAS
MOVING EAST AT 30 TO 35 MPH AND WILL MOVING INTO FOXBORO AND MANSFIELD
BY 350 PM. THIS STORM WILL ALSO BE AFFECTING BRO`CKTON AND OTHER PORTIONS
OF PLYMOUTH COUNTY.

KLEIN
Special weather statement, Sep 9, 5:24 PM EDT, 21 minutes before
MAZ005>007-013>024-501-502-504-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
525 PM EDT FRI SEP 9 1994

AT 515 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A
LINE OF STRONG THUNDERSTORMS FROM SOUTHEAST NEW HAMPSHIRE TO JUST WEST
OF WORCESTER TO HARTFORD CONNECTICUT.  THIS LINE WAS MOVING SOUTHEAST
AT 20 TO 30 MPH...WHILE INDIVIDUAL STORMS WERE MOVING EAST AT AROUND
35 MPH.  MUCH OF EASTERN MASSACHUSETTS...ESPECIALLY BOSTON AND POINTS
NORTH...SHOULD EXPECT ANOTHER ROUND OF THUNDERSTORMS SOMETIME BETWEEN 6
AND 7 PM THIS EVENING.

ANOTHER AREA OF STRONG THUNDERSTORMS WAS OFF THE NORTH SHORE COASTLINE
MOVING FURTHER OUT TO SEA.

HEAVY RAIN AND SMALL HAIL...ALONG WITH FREQUENT LIGHTNING...HAVE BEEN
THE FEATURES ASSOCIATED WITH THESE THUNDERSTORMS.

GIRODO
Special weather statement, Sep 9, 5:25 PM EDT, 20 minutes before
MAZ005>007-013>024-501-502-504-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
525 PM EDT FRI SEP 9 1994

AT 515 PM RADAR AT NATIONAL WEATHER SERVICE TAUNTON MA INDICATED A
LINE OF STRONG THUNDERSTORMS FROM SOUTHEAST NEW HAMPSHIRE TO JUST WEST
OF WORCESTER TO HARTFORD CONNECTICUT.  THIS LINE WAS MOVING SOUTHEAST
AT 20 TO 30 MPH...WHILE INDIVIDUAL STORMS WERE MOVING EAST AT AROUND
35 MPH.  MUCH OF EASTERN MASSACHUSETTS...ESPECIALLY BOSTON AND POINTS
NORTH...SHOULD EXPECT ANOTHER ROUND OF THUNDERSTORMS SOMETIME BETWEEN 6
AND 7 PM THIS EVENING.

ANOTHER AREA OF STRONG THUNDERSTORMS WAS OFF THE NORTH SHORE COASTLINE
MOVING FURTHER OUT TO SEA.

HEAVY RAIN AND SMALL HAIL...ALONG WITH FREQUENT LIGHTNING...HAVE BEEN
THE FEATURES ASSOCIATED WITH THESE THUNDERSTORMS.

GIRODO
Local storm report, Sep 9, 5:45 PM EDT, 0 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOSTON MA
542 PM EDT FRI AUG 9 1994

540 PM EDT    MARLBORO          GOLFBALL SIZE HAIL...TREES DOWN...
              (MIDDLESEX CO)    AND POWER OUTAGES REPORT.ED BY
                                MARLBORO POLICE DEPT.

FIELD

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.