Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 22, NWS Boston/Norton, MA

June 21, 2016Bristol County, Kent County, Newport County, Rhode Island; Bristol County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 21, 2016, 5:12 AM EDT for Bristol County, Kent County, Newport County, Rhode Island; Bristol County, Massachusetts. It was in force for 48 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 21, 2016, 5:12 AM EDT (09:12 UTC)
Expired: Jun 21, 2016, 6:00 AM EDT
In force: 48 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bristol County, MA, Bristol County, RI, Kent County, RI, Newport County, RI

The radar

The Boston radar (KBOX), 38 km from the middle of the area, began a volume at 09:13 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	Remark
Jun 21, 5:36 AM EDT	HAIL 1	Dartmouth, MA	ON RUSSELLS MILLS ROAD
Jun 21, 5:36 AM EDT	HAIL 1	Dartmouth, MA
Jun 21, 5:38 AM EDT	TSTM WND DMG	Dartmouth, MA	LARGE BRANCH DOWN ON WIRES ON ROCKLAND ROAD...DPW DISPATCHED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 9.2 hours before the alert went out and 99 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2021 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

667 
WUUS51 KBOX 210912
SVRBOX
MAC005-RIC001-003-005-211000-
/O.NEW.KBOX.SV.W.0022.160621T0912Z-160621T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
512 AM EDT TUE JUN 21 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BRISTOL COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  BRISTOL COUNTY IN RHODE ISLAND...
  NORTHEASTERN NEWPORT COUNTY IN RHODE ISLAND...
  NORTHEASTERN KENT COUNTY IN RHODE ISLAND...

* UNTIL 600 AM EDT

* AT 511 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  BARRINGTON AND WARWICK...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  NEW BEDFORD...FALL RIVER...WARWICK...DARTMOUTH...BRISTOL...
  SOMERSET...PORTSMOUTH...BARRINGTON...FAIRHAVEN...SWANSEA...
  TIVERTON...WESTPORT...EAST GREENWICH...WARREN...
  LITTLE COMPTON AND PRUDENCE ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4153 7121 4164 7122 4154 7124 4160 7137
      4160 7134 4166 7137 4164 7148 4177 7141
      4174 7136 4178 7132 4163 7084 4160 7086
      4165 7092 4159 7090 4158 7094 4160 7096
      4154 7093 4149 7104
TIME...MOT...LOC 0911Z 293DEG 33KT 4169 7135 

HAIL...<.75IN
WIND...60MPH
 
$$

WTB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 1:39 AM EDT	Special Weather Statement	BOX	Franklin	51 min
Jun 21, 3:05 AM EDT	Special Weather Statement	BOX	Middlesex, Worcester	55 min
Jun 21, 3:22 AM EDT	Special Weather Statement	BOX	Hampden, Hampshire	53 min
Jun 21, 4:02 AM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk	43 min
Jun 21, 4:05 AM EDT	Severe Thunderstorm Warning	BOX	Hampden	40 min
Jun 21, 4:18 AM EDT	Special Marine Warning	BOX		87 min
Jun 21, 4:34 AM EDT	Special Marine Warning	BOX		86 min
Jun 21, 4:56 AM EDT	Special Marine Warning	BOX		2 hr
Jun 21, 5:38 AM EDT	Special Marine Warning	BOX		112 min
Jun 21, 5:44 AM EDT	Special Marine Warning	BOX		61 min
Jun 21, 3:39 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		39 hr

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2016 Severe Thunderstorm Warnings in Massachusetts, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.