Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

August 22, 2016Barnstable County, Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 22, 2016, 5:33 AM EDT for Barnstable County, Nantucket County, Massachusetts. It was in force for 27 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: Aug 22, 2016, 5:33 AM EDT (09:33 UTC)
Expired: Aug 22, 2016, 6:00 AM EDT
In force: 27 min
Issued by: NWS Boston/Norton, MA

Counties Barnstable County, MA, Nantucket County, MA

The radar

The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 09:37 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 00:00Z, 9.6 hours before the alert went out and 23 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: 138 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this special weather statement went out at Aug 22, 5:07 AM EDT, 26 minutes earlier.

Area forecast discussion, Aug 22, 5:07 AM EDT, 26 minutes before

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Hazardous weather outlook, Aug 22, 5:22 AM EDT, 11 minutes before

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In the hours before

Special weather statement, Aug 22, 2:31 AM EDT, 3 hours 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
231 AM EDT MON AUG 22 2016

MAZ017-RIZ001>004-006-220730-
NORTHERN BRISTOL MA-SOUTHEAST PROVIDENCE RI-WASHINGTON RI-
EASTERN KENT RI-WESTERN KENT RI-NORTHWEST PROVIDENCE RI-
231 AM EDT MON AUG 22 2016

...TORRENTIAL RAINFALL AFFECTING SOUTHEASTERN WINDHAM...WEST CENTRAL
BRISTOL...KENT...WASHINGTON AND PROVIDENCE COUNTIES ...

AT 230 AM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM NEAR MILLVILLE TO GARDNER'S ISLAND. MOVEMENT
WAS NORTHEAST AT 30 MPH.

TORRENTIAL DOWNPOURS AND WINDS IN EXCESS OF 30 MPH WILL ACCOMPANY
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
PROVIDENCE...WARWICK...CRANSTON...PAWTUCKET...EAST PROVIDENCE...
COVENTRY...CUMBERLAND...NORTH PROVIDENCE...SOUTH KINGSTOWN...
WEST WARWICK...JOHNSTON...NORTH ATTLEBOROUGH...NORTH KINGSTOWN...
ATTLEBORO...WESTERLY...SMITHFIELD...LINCOLN...CENTRAL FALLS...
BURRILLVILLE AND SEEKONK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THESE STORMS APPROACH. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

FREQUENT LIGHTNING WAS OCCURRING. LIGHTNING CAN STRIKE FAR AWAY FROM
THE STORM. GO INSIDE A BUILDING OR VEHICLE. WAIT AT LEAST 30 MINUTES
UNTIL AFTER THE STORM HAS PASSED TO RESUME OUTDOOR ACTIVITIES.

&&

LAT...LON 4133 7189 4133 7184 4134 7183 4141 7184
      4142 7180 4177 7179 4198 7169 4198 7127
      4178 7137 4178 7139 4175 7138 4169 7140
      4169 7145 4166 7144 4167 7142 4137 7156
      4131 7188 4132 7188
TIME...MOT...LOC 0630Z 237DEG 24KT 4200 7162 4109 7207

NOCERA

Special weather statement, Aug 22, 3:33 AM EDT, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
333 AM EDT MON AUG 22 2016

MAZ013-015>021-RIZ002-004>007-220815-
SOUTHERN PLYMOUTH MA-NORTHERN BRISTOL MA-EASTERN NORFOLK MA-
SOUTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SUFFOLK MA-
EASTERN PLYMOUTH MA-WESTERN NORFOLK MA-SOUTHEAST PROVIDENCE RI-
BRISTOL RI-WASHINGTON RI-EASTERN KENT RI-NEWPORT RI-
333 AM EDT MON AUG 22 2016

...STRONG THUNDERSTORM IN BRISTOL...PLYMOUTH...NORFOLK...SOUTHWESTERN
SUFFOLK...SOUTHEASTERN MIDDLESEX...BRISTOL...NEWPORT...EAST CENTRAL
KENT...EAST CENTRAL WASHINGTON AND EAST CENTRAL PROVIDENCE
COUNTIES...

AT 332 AM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM DOVER TO NEAR NARRAGANSETT. MOVEMENT WAS EAST
AT 30 MPH.

WINDS IN EXCESS OF 40 MPH AND TORRENTIAL DOWNPOURS WILL ACCOMPANY
WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BOSTON...NEW BEDFORD...BROCKTON...QUINCY...FALL RIVER...NEWTON...
WARWICK...PAWTUCKET...BROOKLINE...TAUNTON...WEYMOUTH...
EAST PROVIDENCE...BRAINTREE...DARTMOUTH...NATICK...RANDOLPH...
SOUTH KINGSTOWN...NEEDHAM...NORTH ATTLEBOROUGH AND NORWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THESE STORMS APPROACH. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

FREQUENT LIGHTNING WAS OCCURRING. LIGHTNING CAN STRIKE FAR AWAY FROM
THE STORM. GO INSIDE A BUILDING OR VEHICLE. WAIT AT LEAST 30 MINUTES
UNTIL AFTER THE STORM HAS PASSED TO RESUME OUTDOOR ACTIVITIES.

&&

LAT...LON 4138 7152 4167 7139 4230 7132 4236 7097
      4235 7095 4232 7105 4225 7088 4234 7088
      4214 7069 4158 7082 4165 7092 4152 7096
      4153 7096 4146 7119 4164 7123 4148 7124
      4145 7140 4151 7142 4136 7149
TIME...MOT...LOC 0732Z 264DEG 25KT 4224 7126 4139 7144

NOCERA

Special weather statement, Aug 22, 4:06 AM EDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
406 AM EDT MON AUG 22 2016

MAZ007-013-015>021-RIZ007-220845-
SOUTHERN PLYMOUTH MA-NORTHERN BRISTOL MA-EASTERN ESSEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
WESTERN NORFOLK MA-WESTERN PLYMOUTH MA-NEWPORT RI-
406 AM EDT MON AUG 22 2016

...STRONG THUNDERSTORM IN CENTRAL BRISTOL...SOUTHEASTERN ESSEX...
PLYMOUTH...NORTHEASTERN NORFOLK...EASTERN SUFFOLK...EASTERN MIDDLESEX
AND EASTERN NEWPORT COUNTIES...

AT 405 AM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM DANVERS TO NEAR LITTLE COMPTON. MOVEMENT WAS
NORTHEAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH AND TORRENTIAL DOWNPOURS WILL ACCOMPANY
WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BOSTON...NEW BEDFORD...BROCKTON...QUINCY...LYNN...FALL RIVER...
MALDEN...PLYMOUTH...TAUNTON...WEYMOUTH...REVERE...PEABODY...SALEM...
BEVERLY...BRAINTREE...DARTMOUTH...RANDOLPH...GLOUCESTER...
MILTON AND STOUGHTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THESE STORMS APPROACH. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

DO NOT DRIVE THROUGH FLOODED ROADS OR UNDERPASSES. AVOID LOW LYING
AREAS NEAR SMALL STREAMS.

&&

LAT...LON 4264 7076 4269 7063 4265 7059 4264 7059
      4231 7089 4220 7071 4199 7063 4201 7071
      4200 7071 4192 7054 4184 7053 4146 7119
      4235 7104 4236 7097 4227 7099 4225 7088
      4226 7088 4243 7103 4257 7101 4276 7080
TIME...MOT...LOC 0805Z 227DEG 39KT 4257 7096 4153 7113

NOCERA

Local storm report, Aug 22, 4:29 AM EDT, 1 hour 4 minutes before

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Local storm report, Aug 22, 5:11 AM EDT, 22 minutes before

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Special weather statement, Aug 22, 5:33 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 2:06 AM EDT	Special Marine Warning	BOX		54 min
Aug 22, 2:51 AM EDT	Severe Thunderstorm Warning	BOX	Middlesex	24 min
Aug 22, 2:58 AM EDT	Special Marine Warning	BOX		32 min
Aug 22, 3:01 AM EDT	Tornado Warning	BOX	Middlesex	29 min
Aug 22, 3:15 AM EDT	Special Marine Warning	BOX		60 min
Aug 22, 3:24 AM EDT	Tornado Warning	BOX	Middlesex	36 min
Aug 22, 3:33 AM EDT	Special Weather Statement	BOX	Bristol, Norfolk, Plymouth, Suffolk	42 min
Aug 22, 3:51 AM EDT	Severe Thunderstorm Warning	BOX	Essex	39 min
Aug 22, 3:54 AM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk, Plymouth	38 min
Aug 22, 4:02 AM EDT	Special Marine Warning	BOX		58 min
Aug 22, 4:06 AM EDT	Special Weather Statement	BOX	Bristol, Essex, Plymouth, Suffolk	39 min
Aug 22, 4:09 AM EDT	Special Marine Warning	BOX		66 min
Aug 22, 4:25 AM EDT	Small Craft Advisory	BOX		22 hr
Aug 22, 2:31 AM EDT	Special Weather Statement	BOX	Kent, Providence, Washington	59 min
Aug 22, 12:42 AM EDT	Special Weather Statement	BOX		33 min
Aug 22, 1:16 AM EDT	Special Weather Statement	BOX		29 min

Nearby

Special Weather Statements in Massachusetts, 2016 Every special weather statement 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.