Alert archive / Rhode Island / Flash Flood Warnings in 1998

Flash Flood Warning 41, NWS Boston/Norton, MA

June 15, 1998Bristol County, Rhode Island

NWS Boston/Norton, MA issued this flash flood warning at Jun 15, 1998, 10:32 PM EDT for Bristol County, Rhode Island. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 15, 1998, 10:32 PM EDT (02:32 UTC)
Expired
Jun 16, 1998, 6:00 AM EDT
In force
7 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Bristol County, RI

The radar

The Boston radar (KBOX), 30 km from the middle of the area, began a volume at 02:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 2.5 hours before the alert went out and 109 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 1998-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 1998-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
93 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
60 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 160230
FFWBOS
MAC005-023-RIC001-161025-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1032 PM EDT MON JUN 15 1998

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL BRISTOL MA COUNTY IN SOUTHEASTERN MASSACHUSETTS
  NORTHERN PLYMOUTH COUNTY IN SOUTHEASTERN MASSACHUSETTS
  BRISTOL RI COUNTY IN EAST CENTRAL RHODE ISLAND

* UNTIL 600 AM EDT

* AT 1030 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM SOUTHERN RHODE
ISLAND INTO NORTHERN PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS.
THE THUNDERSTORMS WERE MOVING NORTHEAST WITH ONE FOLLOWING THE
OTHER OVER THE SAME AREAS.

* COMMUNITIES MOST LIKELY TO BE AFFECTED BY FLASH
FLOODING OF SMALL STREAMS AND SEVERE STREET FLOODING
INCLUDE BARRINGTON...WARREN AND BRISTOL IN RHODE ISLAND CONTINUING
ACROSS SWANSEA... DIGHTON... BERKLEY... RAYNHAM... BRIDGEWATER...
HALIFAX...PEMBROKE AND MARSHFIELD IN MASSACHUSETTS.

* SMALL STREAMS IN THE WARNING MAY QUICKLY BECOME FAST MOVING
  TORRENTS AND FLOOD LOW LYING AREAS.  SEVERE STREET FLOODING WITH
3 OR MORE FEET OF WATER IN LOW SPOTS MAY ALSO OCCUR.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS.  NEVER TRY TO CROSS A FLOODED ROADWAY.
THE ROAD COULD BE DAMAGED OR WASHED OUT.

DRAG/THOMPSON

Nearby

Flash Flood Warnings in Rhode Island, 1998Every flash flood warning in 1998

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; radar from the NEXRAD Level II archive.