Alert archive / Rhode Island / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 13, NWS Boston/Norton, MA

October 18, 1990Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Oct 18, 1990, 11:10 PM EDT for Kent County, Providence County, Rhode Island. It was in force for 65 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 18, 1990, 11:10 PM EDT (03:10 UTC)
Expired
Oct 19, 1990, 12:15 AM EDT
In force
65 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Kent County, RI, Providence County, RI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Oct 18, 11:10 PM EDTTornado F1Kent, RI
Oct 19, 12:00 AM EDTThunderstorm Wind 0Providence, RI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 3.2 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 1990-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 1990-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
172 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 190321
SVRPVD
RIC003-007-190415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PROVIDENCE RI
1110 PM EDT THU OCT 18 1990
 
THE NATIONAL WEATHER SERVICE IN PROVIDENCE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL RHODE ISLAND
 
   ...KENT COUNTY
 
AND ADJACENT WATERS OF NARRAGANSETT BAY.
AND THE ADJACENT COASTAL WATERS OF THE RHODE ISLAND SOUTH COAST.
 
IN NORTH RHODE ISLAND
 
   ...PROVIDENCE COUNTY
 
AT 1100 PM WEATHER SERVICE RADAR INDICATED POSSIBLE SEVERE
THUNDERSTORMS MOVING ACROSS WINDHAM COUNTY IN EASTERN CONNECTICUT.
THESE STORMS HAVE BEEN ACCOMPANIED BY DAMAGING WINDS...AND WILL MOVE
INTO WESTERN KENT AND PROVIDENCE COUNTY BY 1120 PM. WIND GUSTS IN
EXCESS OF 65 MPH ARE POSSIBLE WITH THESE STORMS.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
CADIMA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 12:17 AM EDTSevere Thunderstorm WarningBOXProvidence28 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.