Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 18, NWS Boston/Norton, MA

June 22, 1997Bristol County, Massachusetts; Bristol County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 22, 1997, 5:14 PM EDT for Bristol County, Massachusetts; Bristol County, Rhode Island. It was in force for 61 min. 4 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: Jun 22, 1997, 5:14 PM EDT (21:14 UTC)
Expired: Jun 22, 1997, 6:15 PM EDT
In force: 61 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

Counties Bristol County, MA, Bristol County, RI

The radar

The Boston radar (KBOX), 25 km from the middle of the area, began a volume at 21:13 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.

What was reported inside it

Time	Report	Where
Jun 22, 5:20 PM EDT	Thunderstorm Wind 55	Fall River, MA
Jun 22, 5:23 PM EDT	Hail 0.75	Bristol, RI
Jun 22, 5:45 PM EDT	Hail 0.75	Dartmouth, MA
Jun 22, 5:50 PM EDT	Hail 0.75	Fall River, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 9.2 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 44 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 46 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.

415 
WUUS1 KBOS 222113 RRA
SVRBOS
MAC005-RIC001-222215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
514 PM EDT SUN JUN 22 1997
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MASSACHUSETTS
 
   ...BRISTOL COUNTY
 
 
AND THE ADJACENT COASTAL WATERS.
 
 
IN EAST CENTRAL RHODE ISLAND
 
   ...BRISTOL COUNTY
 
AND THE ADJACENT COASTAL WATERS.
 
 
AT 505 PM EDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
MOVING ACROSS BRISTOL COUNTY RHODE ISLAND INTO SOUTHEAST MASSACHUETTS.
THIS THUNDERSTORM WILL AFFECT THE TOWNS OF BRISTOL...SEEKONK AND
REHOBOTH AS IT MOVES EAST AT 20 TO 30 MPH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
DCY/LJC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 4:00 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	60 min
Jun 22, 4:43 PM EDT	Severe Thunderstorm Warning	BOX	Kent, Washington	62 min
Jun 22, 5:26 PM EDT	Severe Thunderstorm Warning	BOX	Newport	49 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1997 Severe Thunderstorm Warnings in Rhode Island, 1997 Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.