Alert archive / Rhode Island / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS Boston/Norton, MA

April 4, 1995Newport County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Apr 4, 1995, 3:29 PM EDT for Newport County, Rhode Island. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1995, 3:29 PM EDT (19:29 UTC)
Expired
Apr 4, 1995, 4:30 PM EDT
In force
61 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Newport County, RI

The radar

The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 19:31 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 12:00Z, 7.5 hours before the alert went out and 111 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 1995-04-04Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1995-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 340 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
716 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
340 m²/s²
0-3 km storm-relative helicity
401 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 
WUUS1 KBOS 041929 RRA
SVRBOS
MAC005-RIC003-001-005-009-RIZ501-502-MAZ503-042030-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
329 PM EDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MASSACHUSETTS
 
   ...BRISTOL COUNTY
 
IN CENTRAL RHODE ISLAND
 
   ...KENT COUNTY
IN EAST CENTRAL RHODE ISLAND
 
   ...BRISTOL COUNTY
IN SOUTH RHODE ISLAND
 
   ...NEWPORT COUNTY...WASHINGTON COUNTY
SEVERE THUNDERESTORMS WERE MOVING INTO WESTERN RHODE ISLAND AND WILL
MOVE INTO BRISTOL COUNTY MASSACHUSETTS BY 345 PM.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 3:15 PM EDTSevere Thunderstorm WarningBOXProvidence60 min
Apr 4, 3:29 PM EDTSevere Thunderstorm WarningBOXBristol61 min
Apr 4, 3:29 PM EDTSevere Thunderstorm WarningBOXKent, Washington61 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 1995Every severe thunderstorm warning in 1995

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.