Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 69, NWS Boston/Norton, MA

July 22, 2016Bristol County, Newport County, Washington County, Rhode Island; 4 counties in Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 22, 2016, 11:55 PM EDT for Bristol County, Newport County, Washington County, Rhode Island; 4 counties in Massachusetts. It was in force for 50 min. 1 report 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: Jul 22, 2016, 11:55 PM EDT (03:55 UTC)
Expired: Jul 23, 2016, 12:45 AM EDT
In force: 50 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Plymouth County, MA, Bristol County, RI, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 03:58 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
Jul 23, 12:16 AM EDT	TSTM WND DMG	Dartmouth, MA	UTILITY POLE DOWN ON ALLEN ST. WIRES DOWN ON DARTMOUTH ST NEAR ROCKLAND ST

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, 3.9 hours before the alert went out and 76 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: 468 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1054 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

294 
WUUS51 KBOX 230355
SVRBOX
MAC001-005-007-023-RIC001-005-009-230445-
/O.NEW.KBOX.SV.W.0069.160723T0355Z-160723T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1155 PM EDT FRI JUL 22 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BRISTOL COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  SOUTHWESTERN BARNSTABLE COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  DUKES COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  SOUTHERN PLYMOUTH COUNTY IN SOUTHEASTERN MASSACHUSETTS...
  BRISTOL COUNTY IN RHODE ISLAND...
  NORTHERN NEWPORT COUNTY IN RHODE ISLAND...
  NORTHEASTERN WASHINGTON COUNTY IN RHODE ISLAND...

* UNTIL 1245 AM EDT

* AT 1154 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  PORTSMOUTH... OR NEAR BRISTOL...MOVING EAST AT 40 MPH.

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

  SOURCE...TRAINED WEATHER SPOTTERS HAVE REPORTED POCKETS OF
           SIGNIFICANT WIND DAMAGE WITH THIS ACTIVITY.

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

* LOCATIONS IMPACTED INCLUDE...
  NEW BEDFORD...FALL RIVER...PLYMOUTH...TAUNTON...BARNSTABLE...
  DARTMOUTH...FALMOUTH...SOUTH KINGSTOWN...NORTH KINGSTOWN...
  BRISTOL...MARION...OAK BLUFFS...EDGARTOWN...TISBURY...AQUINNAH...
  MIDDLEBOROUGH...WAREHAM...SANDWICH...BOURNE AND SOMERSET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS SITUATION. THIS STORM IS PRODUCING WIDESPREAD
WIND DAMAGE ACROSS PORTIONS OF THE REGION. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4135 7084 4146 7063 4153 7068 4146 7077
      4146 7078 4175 7063 4160 7096 4142 7086
      4153 7097 4155 7122 4164 7122 4147 7151
      4165 7144 4159 7133 4189 7131 4173 7023
      4155 7052 4135 7045 4144 7050 4135 7051
TIME...MOT...LOC 0354Z 290DEG 37KT 4161 7128 

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

FRANK

1 follow-up statement

311 
WWUS51 KBOX 230439
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1239 AM EDT SAT JUL 23 2016

MAC001-005-007-023-RIC001-005-009-230445-
/O.CON.KBOX.SV.W.0069.000000T0000Z-160723T0445Z/
BRISTOL MA-BARNSTABLE MA-DUKES MA-PLYMOUTH MA-BRISTOL RI-NEWPORT RI-
WASHINGTON RI-
1239 AM EDT SAT JUL 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR CENTRAL BRISTOL...SOUTHWESTERN BARNSTABLE...DUKES...SOUTHERN
PLYMOUTH...BRISTOL...NORTHERN NEWPORT AND NORTHEASTERN WASHINGTON
COUNTIES...

AT 1235 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED JUST NORTHWEST
OF TISBURY... MOVING TO THE EAST-SOUTHEAST AT 45 MPH.  THIS STORM
HAS A HISTORY OF DOWNING TREES AND WIRES IN DARTMOUTH. 

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

SOURCE...TRAINED WEATHER SPOTTERS. 

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

LOCATIONS IMPACTED INCLUDE...
OAK BLUFFS...EDGARTOWN...TISBURY...AQUINNAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING. THIS STORM HAS PRODUCED WIND DAMAGE ACROSS SOUTH COASTAL
MASSACHUSETTS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4135 7084 4146 7063 4153 7068 4146 7077
      4146 7078 4175 7063 4160 7096 4142 7086
      4153 7097 4155 7122 4164 7122 4147 7151
      4165 7144 4159 7133 4189 7131 4173 7023
      4155 7052 4135 7045 4144 7050 4135 7051
TIME...MOT...LOC 0435Z 290DEG 37KT 4146 7075 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:18 PM EDT	Special Weather Statement	BOX	Providence	42 min
Jul 22, 8:25 PM EDT	Severe Thunderstorm Warning	BOX	Providence	65 min
Jul 22, 8:44 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence	46 min
Jul 22, 9:27 PM EDT	Special Weather Statement	BOX	Bristol	48 min
Jul 22, 9:47 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Providence	43 min
Jul 22, 10:25 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence, Washington	65 min
Jul 22, 10:27 PM EDT	Severe Thunderstorm Warning	BOX	Kent, Providence	48 min
Jul 22, 11:06 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence, Washington	54 min
Jul 23, 12:12 AM EDT	Special Weather Statement	BOX	Kent, Newport	48 min
Jul 23, 7:50 PM EDT	Special Weather Statement	BOX	Bristol	40 min
Jul 23, 7:54 PM EDT	Special Weather Statement	BOX	Bristol, Providence	51 min
Jul 23, 7:57 PM EDT	Special Weather Statement	BOX	Bristol, Providence	48 min
Jul 22, 8:15 PM EDT	Special Marine Warning	BOX		90 min
Jul 22, 8:31 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Plymouth, Suffolk	59 min
Jul 22, 8:44 PM EDT	Special Marine Warning	BOX		61 min
Jul 22, 8:49 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Plymouth	56 min
Jul 22, 8:53 PM EDT	Special Marine Warning	BOX		52 min
Jul 22, 9:04 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	41 min
Jul 22, 9:40 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Plymouth	35 min
Jul 22, 9:42 PM EDT	Special Marine Warning	BOX		48 min
Jul 22, 10:05 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable	40 min
Jul 22, 10:09 PM EDT	Special Marine Warning	BOX		66 min
Jul 22, 10:15 PM EDT	Special Marine Warning	BOX		60 min
Jul 22, 10:40 PM EDT	Special Marine Warning	BOX		65 min
Jul 22, 10:46 PM EDT	Special Marine Warning	BOX		59 min
Jul 22, 11:14 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable	46 min
Jul 22, 11:37 PM EDT	Special Marine Warning	BOX		83 min
Jul 22, 11:39 PM EDT	Special Marine Warning	BOX		66 min
Jul 23, 12:46 AM EDT	Severe Thunderstorm Warning	BOX	Dukes, Nantucket	44 min
Jul 23, 1:10 AM EDT	Special Weather Statement	BOX	Bristol	50 min
Jul 23, 1:41 AM EDT	Special Weather Statement	BOX	Barnstable, Dukes, Nantucket	94 min
Jul 23, 5:36 PM EDT	Special Weather Statement	BOX	Suffolk	39 min
Jul 23, 5:43 PM EDT	Special Weather Statement	BOX	Suffolk	32 min
Jul 23, 5:46 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Suffolk	44 min
Jul 23, 5:52 PM EDT	Special Marine Warning	BOX		38 min
Jul 23, 6:01 PM EDT	Special Weather Statement	BOX	Norfolk	44 min
Jul 23, 6:22 PM EDT	Special Marine Warning	BOX		38 min
Jul 23, 6:27 PM EDT	Special Weather Statement	BOX	Suffolk	48 min
Jul 23, 6:38 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Worcester	52 min
Jul 23, 6:46 PM EDT	Special Marine Warning	BOX		119 min
Jul 23, 6:52 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	38 min
Jul 23, 7:06 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Suffolk, Worcester	54 min
Jul 23, 7:15 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	60 min
Jul 23, 7:29 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Worcester	31 min
Jul 23, 7:35 PM EDT	Special Marine Warning	BOX		55 min
Jul 23, 7:46 PM EDT	Special Marine Warning	BOX		59 min
Jul 23, 7:53 PM EDT	Special Marine Warning	BOX		67 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.