Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 46, NWS Boston/Norton, MA

June 19, 1998Bristol County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 19, 1998, 2:44 PM EDT for Bristol County, Massachusetts. It was in force for 46 min. 1 report 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
Jun 19, 1998, 2:44 PM EDT (18:44 UTC)
Expired
Jun 19, 1998, 3:30 PM EDT
In force
46 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Bristol County, MA

What was reported inside it

TimeReportWhereRemark
Jun 19, 3:05 PM EDTThunderstorm Wind 50Taunton, MA

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.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.7 hours before the alert went out and 93 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 1998-06-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
937 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
51 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.

503 
WUUS1 KBOS 191845 RRA
SVRBOS
MAC005-191930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
244 PM EDT FRI JUN 19 1998

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BRISTOL MA COUNTY IN SOUTHEASTERN MASSACHUSETTS

* UNTIL 330 PM EDT

* AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER TAUNTON... MOVING SOUTHEAST AT 15 MPH.

* TOWNS IN/NEAR THE PATH OF THIS STORM INCLUDE...
  DIGHTON...BERKLEY...FREETOWN...FALL RIVER...AND SOMERSET.

LARGE HAIL WAS INDICATED WITH THIS STORM.  ANOTHER STORM WAS
LOCATED NEAR FOXBORO MOVING TO THE SOUTHEAST INTO BRISTOL COUNTY.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WINDS STRONG ENOUGH
TO KNOCK DOWN TREES AND POWER LINES.  MOVE INDOORS AND STAY AWAY
FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 4:32 PM EDTFlash Flood WarningBOXWorcester118 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1998Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.