Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 29, NWS Boston/Norton, MA

June 23, 2012Bristol County, Newport County, Rhode Island; Bristol County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 23, 2012, 5:26 PM EDT for Bristol County, Newport County, Rhode Island; Bristol County, Massachusetts. It was in force for 35 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 23, 2012, 5:26 PM EDT (21:26 UTC)
Expired: Jun 23, 2012, 6:01 PM EDT
In force: 35 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon

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

The radar

The Boston radar (KBOX), 31 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 103 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: 365 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 71 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.

576 
WUUS51 KBOX 232126
SVRBOX
MAC005-RIC001-005-232215-
/O.NEW.KBOX.SV.W.0029.120623T2126Z-120623T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
526 PM EDT SAT JUN 23 2012

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BRISTOL COUNTY IN RHODE ISLAND...
  THIS INCLUDES THE CITY OF BRISTOL...
  NORTHEASTERN NEWPORT COUNTY IN RHODE ISLAND...
  CENTRAL BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
  THIS INCLUDES THE CITY OF FALL RIVER...

* UNTIL 615 PM EDT

* AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BRISTOL...AND WAS MOVING EAST AT 10 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...TIVERTON AND SOMERSET.

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.

&&

LAT...LON 4165 7123 4167 7121 4170 7119 4171 7122
      4170 7123 4167 7123 4166 7125 4166 7130
      4173 7127 4176 7109 4163 7110
TIME...MOT...LOC 2127Z 268DEG 9KT 4168 7125

$$

SIPPRELL

1 follow-up statement

159 
WWUS51 KBOX 232201
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
601 PM EDT SAT JUN 23 2012

MAC005-RIC001-005-232211-
/O.CAN.KBOX.SV.W.0029.000000T0000Z-120623T2215Z/
NEWPORT RI-BRISTOL RI-BRISTOL MA-
601 PM EDT SAT JUN 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BRISTOL COUNTY IN
SOUTHEAST MASSACHUSETTS...AND SOUTHEASTERN BRISTOL AND NORTHEASTERN
NEWPORT COUNTIES IN RHODE ISLAND IS CANCELLED...

THE STORM HAS WEAKENED ACROSS THE PREVIOUSLY WARNED AREA. 

LAT...LON 4165 7123 4167 7121 4170 7119 4171 7122
      4170 7123 4167 7123 4166 7125 4166 7130
      4173 7127 4176 7109 4163 7110
TIME...MOT...LOC 2201Z 268DEG 9KT 4168 7114

$$

SIPPRELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 5:51 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Washington	32 min
Jun 23, 6:10 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Newport	31 min
Jun 23, 3:22 PM EDT	Special Weather Statement	BOX	Franklin	38 min
Jun 23, 3:52 PM EDT	Special Weather Statement	BOX	Franklin	38 min
Jun 23, 4:23 PM EDT	Special Weather Statement	BOX	Essex	52 min
Jun 23, 4:30 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	35 min
Jun 23, 4:42 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Suffolk	48 min
Jun 23, 4:56 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	49 min
Jun 23, 4:57 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	33 min
Jun 23, 5:01 PM EDT	Special Marine Warning	BOX		89 min
Jun 23, 5:09 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Suffolk	36 min
Jun 23, 5:19 PM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Norfolk, Plymouth, Suffolk	4 hr
Jun 23, 5:22 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Plymouth, Suffolk	53 min
Jun 23, 5:27 PM EDT	Special Marine Warning	BOX		33 min
Jun 23, 5:52 PM EDT	Special Marine Warning	BOX		30 min
Jun 23, 5:55 PM EDT	Special Marine Warning	BOX		65 min
Jun 23, 6:06 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Plymouth	39 min
Jun 23, 6:11 PM EDT	Special Marine Warning	BOX		26 min
Jun 23, 6:29 PM EDT	Special Weather Statement	BOX	Bristol, Plymouth	46 min
Jun 23, 6:35 PM EDT	Special Marine Warning	BOX		55 min
Jun 23, 6:45 PM EDT	Special Weather Statement	BOX	Barnstable, Dukes	90 min
Jun 23, 7:26 PM EDT	Special Marine Warning	BOX		40 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2012 Severe Thunderstorm Warnings in Massachusetts, 2012 Every severe thunderstorm warning in 2012

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.