Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 34, NWS Boston/Norton, MA

June 9, 2011Bristol County, Kent County, Providence County, Rhode Island; Bristol County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 9, 2011, 1:40 AM EDT for Bristol County, Kent County, Providence County, Rhode Island; Bristol County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut. It was in force for 50 min. 8 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 9, 2011, 1:40 AM EDT (05:40 UTC)
Expired: Jun 9, 2011, 2:30 AM EDT
In force: 50 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon

Counties Northeastern Connecticut Planning Region, CT, Bristol County, MA, Bristol County, RI, Kent County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 38 km from the middle of the area, began a volume at 05:40 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 9, 2:05 AM EDT	HAIL 1	West Greenwich, RI
Jun 9, 2:14 AM EDT	TSTM WND DMG	West Greenwich, RI	LARGE BRANCHES DOWN ON SOUTH ROAD
Jun 9, 2:15 AM EDT	TSTM WND DMG	Cranston, RI	LARGE BRANCHES DOWN ACROSS A ROADWAY WITHIN THE TOWN.
Jun 9, 2:15 AM EDT	TSTM WND DMG	East Providence, RI	SEVERAL 4 TO 6 INCH DIAMETER TREES BLOWN DOWN ALONG WITH A UTILITY POLE ACROSS ROADS IN PROXIMITY TO VETRANS MEMORIAL PARKWAY
Jun 9, 2:15 AM EDT	TSTM WND DMG	North Providence, RI	DOWNED TREES ... UTILITY POLES ... UTILITY LINES ... WITH UTILITY POLES AND WIRES UPON BUILDINGS IN THE VICINITY OF THE NORTH PROVIDENCE AND PROVIDENCE BORDER
Jun 9, 2:15 AM EDT	HAIL 1	East Providence, RI
Jun 9, 2:15 AM EDT	HAIL 1.75	East Providence, RI
Jun 9, 2:25 AM EDT	TSTM WND DMG	Fall River, MA	TREE DOWN IN AREA OF MADISON STREET BLOCKING THE ROADWAY

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, 5.7 hours before the alert went out and 128 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: 522 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 1312 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

852 
WUUS51 KBOX 090540
SVRBOX
CTC015-MAC005-RIC001-003-007-090630-
/O.NEW.KBOX.SV.W.0034.110609T0540Z-110609T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
140 AM EDT THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BRISTOL COUNTY IN RHODE ISLAND...
  THIS INCLUDES THE CITIES OF...BRISTOL...BARRINGTON...
  KENT COUNTY IN RHODE ISLAND...
  THIS INCLUDES THE CITY OF WARWICK...
  PROVIDENCE COUNTY IN RHODE ISLAND...
  THIS INCLUDES THE CITY OF PROVIDENCE...
  SOUTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...
  THIS INCLUDES THE CITY OF PUTNAM...
  NORTHERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
  THIS INCLUDES THE CITIES OF...FALL RIVER...ATTLEBOROUGH...

* UNTIL 230 AM EDT

* AT 136 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  THOMPSON TO PUTNAM TO POMFRET TO 9 MILES NORTHWEST OF HAMPTON TO 17
  MILES WEST OF HAMPTON...OR ALONG A LINE EXTENDING FROM PUTNAM TO 6
  MILES WEST OF PUTNAM TO MANSFIELD TO 6 MILES SOUTHEAST OF VERNON...
  AND WAS MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...BURRILLVILLE...FOSTER...
  KILLINGLY...GLOCESTER...DANIELSON...BROOKLYN...SMITHFIELD...NORTH
  SMITHFIELD...SCITUATE...JOHNSTON...CUMBERLAND...LINCOLN...NORTH
  PROVIDENCE...STERLING...CENTRAL FALLS...EAST PROVIDENCE...
  PAWTUCKET...CRANSTON...SEEKONK...COVENTRY...REHOBOTH...WEST
  WARWICK...SWANSEA...WEST GREENWICH...SOMERSET...WARREN...EAST
  GREENWICH...DIGHTON...BERKLEY AND FREETOWN.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL
AS DEADLY LIGHTNING AND TORRENTIAL RAIN. GET TO SAFE SHELTER NOW...
INSIDE A STURDY BUILDING OR IN A VEHICLE. DO NOT SEEK SHELTER UNDER
TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING. DRIVERS SHOULD BE ALERT FOR PONDING OF WATER AND AVOID
FLOODED ROADS.

THESE STORMS HAVE HAD A HISTORY OF PRODUCING GOLF BALL SIZE HAIL AS 
WELL AS SPORADIC WIND DAMAGE.

&&

LAT...LON 4165 7180 4175 7213 4188 7199 4201 7189
      4201 7187 4197 7138 4193 7122 4186 7104
      4170 7100 4169 7119 4171 7122 4167 7128
      4174 7137 4168 7137 4168 7144 4165 7144
      4161 7154 4161 7178
TIME...MOT...LOC 0540Z 288DEG 47KT 4198 7181 4189 7179
          4187 7195 4183 7213 4176 7232

$$

SIPPRELL

2 follow-up statements

628 
WWUS51 KBOX 090601
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
201 AM EDT THU JUN 9 2011

CTC015-MAC005-RIC001-003-007-090630-
/O.CON.KBOX.SV.W.0034.000000T0000Z-110609T0630Z/
WINDHAM CT-BRISTOL RI-PROVIDENCE RI-KENT RI-BRISTOL MA-
201 AM EDT THU JUN 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM EDT
FOR SOUTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...AND
NORTHERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...AND KENT...
PROVIDENCE AND BRISTOL COUNTIES IN RHODE ISLAND...

AT 157 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
SMITHFIELD TO JOHNSTON TO SCITUATE TO DANIELSON TO 11 MILES WEST OF
STERLING...OR ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF WOONSOCKET
TO PROVIDENCE TO 13 MILES WEST OF PROVIDENCE TO 7 MILES NORTHEAST OF
PLAINFIELD TO 6 MILES WEST OF PLAINFIELD...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTRAL
FALLS...CRANSTON...PAWTUCKET...EAST PROVIDENCE...ATTLEBOROUGH...
SEEKONK...COVENTRY...BARRINGTON...WEST WARWICK...REHOBOTH...WEST
GREENWICH...WARWICK...WARREN...SWANSEA...SOMERSET...EAST GREENWICH...
FALL RIVER...DIGHTON...BERKLEY...BRISTOL AND FREETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 4165 7180 4179 7193 4189 7192 4196 7184
      4197 7138 4193 7122 4186 7105 4170 7100
      4169 7119 4171 7122 4167 7128 4174 7137
      4168 7137 4168 7144 4165 7144 4161 7154
      4161 7178
TIME...MOT...LOC 0601Z 288DEG 47KT 4189 7146 4180 7144
          4178 7160 4174 7178 4167 7197

$$

SIPPRELL

253 
WWUS51 KBOX 090618
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
218 AM EDT THU JUN 9 2011

CTC015-090628-
/O.CAN.KBOX.SV.W.0034.000000T0000Z-110609T0630Z/
WINDHAM CT-
218 AM EDT THU JUN 9 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WINDHAM COUNTY IS
CANCELLED...

LAT...LON 4163 7162 4168 7163 4176 7162 4185 7151
      4188 7144 4187 7136 4186 7123 4181 7110
      4170 7100 4169 7119 4171 7122 4167 7128
      4174 7137 4168 7137 4168 7144 4165 7144
      4161 7154
TIME...MOT...LOC 0618Z 288DEG 47KT 4182 7118 4173 7116
          4171 7132 4167 7150 4160 7169

$$

MAC005-RIC001-003-007-090630-
/O.CON.KBOX.SV.W.0034.000000T0000Z-110609T0630Z/
BRISTOL RI-PROVIDENCE RI-KENT RI-BRISTOL MA-
218 AM EDT THU JUN 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM EDT
FOR CENTRAL BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...AND EASTERN
KENT...SOUTHEASTERN PROVIDENCE AND BRISTOL COUNTIES IN RHODE
ISLAND...

AT 215 AM EDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF
BALL SIZE.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
REHOBOTH TO SWANSEA TO BARRINGTON TO WEST WARWICK TO 13 MILES
SOUTHWEST OF WEST WARWICK...OR ALONG A LINE EXTENDING FROM 8 MILES
SOUTHEAST OF ATTLEBOROUGH TO BRISTOL TO BARRINGTON TO 7 MILES WEST OF
WARWICK TO 11 MILES SOUTHEAST OF PLAINFIELD...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SOMERSET...EAST GREENWICH AND FALL RIVER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE 
DAMAGING HAIL. HAIL UP TO THE SIZE OF GOLF BALLS HAS BEEN REPORTED 
IN PROVIDENCE RHODE ISLAND. SEEK SHELTER NOW INSIDE A STURDY 
STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4163 7162 4168 7163 4176 7162 4185 7151
      4188 7144 4187 7136 4186 7123 4181 7110
      4170 7100 4169 7119 4171 7122 4167 7128
      4174 7137 4168 7137 4168 7144 4165 7144
      4161 7154
TIME...MOT...LOC 0618Z 288DEG 47KT 4182 7118 4173 7116
          4171 7132 4167 7150 4160 7169

$$

SIPPRELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 9:42 PM EDT	Severe Thunderstorm Warning	BOX	Providence	48 min
Jun 8, 10:21 PM EDT	Severe Thunderstorm Warning	BOX	Providence	24 min
Jun 8, 10:52 PM EDT	Severe Thunderstorm Warning	BOX	Newport	38 min
Jun 8, 10:54 PM EDT	Special Weather Statement	BOX	Washington	36 min
Jun 9, 2:08 AM EDT	Special Weather Statement	BOX	Kent, Newport	67 min
Jun 9, 2:22 AM EDT	Severe Thunderstorm Warning	BOX	Bristol, Newport	23 min
Jun 9, 6:54 AM EDT	Severe Thunderstorm Warning	BOX	Kent, Providence, Washington	51 min
Jun 9, 4:54 PM EDT	Severe Thunderstorm Warning	BOX	Providence	54 min
Jun 9, 5:24 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Providence	66 min
Jun 9, 5:52 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Washington	53 min
Jun 9, 6:13 PM EDT	Severe Thunderstorm Warning	BOX	Newport	62 min
Jun 9, 6:39 PM EDT	Special Weather Statement	BOX	Washington	36 min
Jun 8, 8:12 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire	48 min
Jun 8, 8:37 PM EDT	Special Weather Statement	BOX	Franklin	23 min
Jun 8, 8:56 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	49 min
Jun 8, 10:33 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Plymouth	42 min
Jun 8, 10:34 PM EDT	Special Marine Warning	BOX		41 min
Jun 8, 10:41 PM EDT	Special Marine Warning	BOX		49 min
Jun 8, 10:51 PM EDT	Special Marine Warning	BOX		39 min
Jun 8, 11:17 PM EDT	Special Marine Warning	BOX		58 min
Jun 9, 12:19 AM EDT	Special Marine Warning	BOX		41 min
Jun 9, 12:37 AM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	38 min
Jun 9, 1:04 AM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	41 min
Jun 9, 2:12 AM EDT	Special Marine Warning	BOX		48 min
Jun 9, 2:36 AM EDT	Special Marine Warning	BOX		54 min
Jun 9, 2:42 AM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Bristol, Dukes, Plymouth	27 min
Jun 9, 2:53 AM EDT	Special Marine Warning	BOX		52 min
Jun 9, 8:38 AM EDT	Special Weather Statement	BOX	Norfolk, Plymouth	52 min
Jun 9, 10:21 AM EDT	Special Weather Statement	BOX	Hampshire	39 min
Jun 9, 10:24 AM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	22 min
Jun 9, 3:00 PM EDT	Special Weather Statement	BOX	Franklin, Hampshire	90 min
Jun 9, 3:06 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	54 min
Jun 9, 3:55 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Middlesex, Worcester	65 min
Jun 9, 3:57 PM EDT	Special Marine Warning	BOX		108 min
Jun 9, 4:00 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	60 min
Jun 9, 4:23 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Franklin, Hampshire, Middlesex, Norfolk, Suffolk and 1 more	67 min
Jun 9, 5:00 PM EDT	Special Marine Warning	BOX		2 hr
Jun 9, 5:38 PM EDT	Special Marine Warning	BOX		112 min
Jun 9, 6:14 PM EDT	Special Marine Warning	BOX		2 hr
Jun 9, 6:49 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Dukes, Nantucket	56 min
Jun 8, 9:23 PM EDT	Special Weather Statement	BOX		22 min
Jun 9, 4:39 PM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region	66 min
Jun 9, 4:46 PM EDT	Areal Flood Advisory	BOX	Capitol Planning Region	3 hr

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2011 Severe Thunderstorm Warnings in Massachusetts, 2011 Severe Thunderstorm Warnings in Connecticut, 2011 Every severe thunderstorm warning in 2011

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.