Alert archive / Rhode Island / Flash Flood Warnings in 1993

Flash Flood Warning 10, NWS Boston/Norton, MA

April 1, 1993Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this flash flood warning at Apr 1, 1993, 7:29 PM EST for Kent County, Providence County, Rhode Island. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 1, 1993, 7:29 PM EST (00:29 UTC)
Expired
Apr 2, 1993, 4:18 AM EST
In force
9 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 00:00Z, 0.5 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 00:00Z on 1993-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 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 00:00Z on 1993-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.19395878Sfc1 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
63 J/kg
Mixed-layer CIN
-364 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
191 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 020033
FFWPVD
RIC003-007-021130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PROVIDENCE RI
729 PM EST THU APR 1 1993
 
THE NATIONAL WEATHER SERVICE IN PROVIDENCE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  630 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL RHODE ISLAND
 
   ...KENT COUNTY
 
IN NORTH RHODE ISLAND
 
   ...PROVIDENCE COUNTY
 
REPORTS FROM POLICE AND CIVIL DEFENSE INDICATE THAT FLOODING CONTINUES
ALONG SECTIONS OF THE PAWTUXET RIVER AND THE SMALLER STREAMS THAT FEED
INTO IT.  THE SCITUATE RESEVOIR IS OVER ITS CAPACITY AND WILL CONTINUE TSPILL WATER INTO THE RIVER.  THIS SHOULD...AT THE LEAST...MAINTAIN FLOOD
LEVELS WHERE THEY ARE.  THEREFORE...THE FLOOD WARNING HAS BEEN EXTENDED.
 
ALSO...THIS IS A CHANCE THAT ANOTHER PERIOD RAIN COULD AFFECT THE AREA
LATER TONIGHT.  THIS COULD CAUSE MORE FLOODING.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS.  IF FLOODING IS OBSERVED...ACT QUICKLY.  MOVE UP
TO ESCAPE FLOOD WATERS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE T8OO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
VALLEE

What forecasters said that day

The local office's own words before this flash flood 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, Apr 1, 1:30 PM EST, 5 hours 59 minutes before
MAZ003-009-012100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
130 PM EST THU APR 01 1993

...POTENTIALLY STRONG THUNDERSTORMS MOVING TOWARDS CAPE COD...MARTHAS
VINEYARD...AND THE BUZZARDS BAY AREA...

WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS MOVING
TOWARDS THE BUZZARDS BAY AREA AT 125 PM.  THESE THUNDERSTORMS MAY
PRODUCE STRONG GUSTY WINDS OVER 50 MPH AND TORRENTIAL RAINS AS THEY
MOVE ACROSS THE BUZZARDS BAY COASTLINE AND UPPER CAPE AREA BETWEEN 130
AND 230 PM.

THE STRONGEST THUNDERSTORMS WERE BETWEEN FALL RIVER AND NEW
BEDFORD...AND IN THE VINEYARD SOUND AREA.  THE THUNDERSTORMS WERE
MOVING NORTHEAST ABOUT 35 MPH.  THE COMMUNITIES MOST LIKELY TO BE
AFFECTED INCLUDE NEW BEDFORD...WAREHAM...FALMOUTH...BOURNE...AND
HYANNIS.

DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...AND SEEK PROTECTION IN A
SAFE PLACE IF THESE THUNDERSTORMS PRODUCE HIGH WINDS IN YOUR AREA.

THOMPSON
Special weather statement, Apr 1, 1:31 PM EST, 5 hours 58 minutes before
MAZ003-009-012100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON MA
130 PM EST THU APR 01 1993

...POTENTIALLY STRONG THUNDERSTORMS MOVING TOWARDS CAPE COD...MARTHAS
VINEYARD...AND THE BUZZARDS BAY AREA...

WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS MOVING
TOWARDS THE BUZZARDS BAY AREA AT 125 PM.  THESE THUNDERSTORMS MAY
PRODUCE STRONG GUSTY WINDS OVER 50 MPH AND TORRENTIAL RAINS AS THEY
MOVE ACROSS THE BUZZARDS BAY COASTLINE AND UPPER CAPE AREA BETWEEN 130
AND 230 PM.

THE STRONGEST THUNDERSTORMS WERE BETWEEN FALL RIVER AND NEW
BEDFORD...AND IN THE VINEYARD SOUND AREA.  THE THUNDERSTORMS WERE
MOVING NORTHEAST ABOUT 35 MPH.  THE COMMUNITIES MOST LIKELY TO BEP
AFFECTED INCLUDE NEW BEDFORD...WAREHAM...FALMOUTH...BOURNE...AND
HYANNIS.

DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...AND SEEK PROTECTION IN A
SAFE PLACE IF THESE THUNDERSTORMS PRODUCE HIGH WINDS IN YOUR AREA.

THOMPSON

Nearby

Flash Flood Warnings in Rhode Island, 1993Every flash flood warning in 1993

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.