Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 23, NWS Boston/Norton, MA

June 29, 2016Bristol County, Norfolk County, Massachusetts; Providence County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 29, 2016, 3:32 PM EDT for Bristol County, Norfolk County, Massachusetts; Providence County, Rhode Island. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 29, 2016, 3:32 PM EDT (19:32 UTC)
Expired: Jun 29, 2016, 4:00 PM EDT
In force: 28 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bristol County, MA, Norfolk County, MA, Providence County, RI

The radar

The Boston radar (KBOX), 24 km from the middle of the area, began a volume at 19:36 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 126 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: -39 J/kg
Mixed-layer LCL: 770 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

199 
WUUS51 KBOX 291932
SVRBOX
MAC005-021-RIC007-292000-
/O.NEW.KBOX.SV.W.0023.160629T1932Z-160629T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
332 PM EDT WED JUN 29 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BRISTOL COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  SOUTHWESTERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
  NORTHEASTERN PROVIDENCE COUNTY IN RHODE ISLAND...

* UNTIL 400 PM EDT

* AT 332 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  WOONSOCKET... MOVING NORTHEAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  WOONSOCKET...CUMBERLAND...FRANKLIN...NORTH ATTLEBOROUGH...
  ATTLEBORO...WALPOLE...MANSFIELD...EASTON...SMITHFIELD...LINCOLN...
  SHARON...FOXBOROUGH...BELLINGHAM...MEDWAY...MEDFIELD...
  NORTH SMITHFIELD...NORFOLK...WRENTHAM...BLACKSTONE AND PLAINVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4221 7131 4206 7114 4192 7136 4187 7152
      4201 7160 4202 7150 4209 7149
TIME...MOT...LOC 1932Z 232DEG 22KT 4202 7145 

HAIL...0.75IN
WIND...60MPH
 
$$

SIPPRELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 5:44 AM EDT	Special Weather Statement	BOX	Worcester	46 min
Jun 29, 3:24 PM EDT	Special Weather Statement	BOX	Norfolk	51 min
Jun 29, 4:12 PM EDT	Special Weather Statement	BOX	Norfolk	33 min
Jun 29, 4:27 PM EDT	Special Weather Statement	BOX	Suffolk	33 min
Jun 29, 4:50 PM EDT	Special Weather Statement	BOX	Suffolk	40 min
Jun 29, 4:52 PM EDT	Special Marine Warning	BOX		53 min
Jun 29, 4:59 PM EDT	Special Weather Statement	BOX	Essex	46 min
Jun 29, 5:29 PM EDT	Special Marine Warning	BOX		31 min
Jun 29, 5:41 PM EDT	Special Marine Warning	BOX		49 min
Jun 29, 3:58 PM EDT	Special Weather Statement	BOX	Providence	47 min
Jun 29, 4:44 PM EDT	Special Weather Statement	BOX	Kent, Providence	46 min
Jun 29, 5:08 PM EDT	Special Weather Statement	BOX	Providence	52 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2016 Severe Thunderstorm Warnings in Rhode Island, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.