Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

July 23, 2016Suffolk County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Jul 23, 2016, 5:36 PM EDT for Suffolk County, Massachusetts. It was in force for 39 min. 18 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
Jul 23, 2016, 5:36 PM EDT (21:36 UTC)
Expired
Jul 23, 2016, 6:15 PM EDT
In force
39 min
Issued by
NWS Boston/Norton, MA

County Suffolk County, MA

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 21:38 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

TimeReportWhereRemark
Jul 23, 5:40 PM EDTHAIL 0.75Burlington, MA
Jul 23, 5:45 PM EDTHAIL 0.75Lexington, MA
Jul 23, 5:45 PM EDTHAIL 0.88Lexington, MA
Jul 23, 5:52 PM EDTTSTM WND DMGWinchester, MAWIRES DOWN ON IRVING STREET. TREE DOWN ON HOUSE ON SHEFFIELD ROAD. LARGE TREE BRANCH DOWN ON MADISON AVENUE AND CAMBRIDGE STREET. TREE DOWN ON MAIN STREET BY THE REC DEPT. AND ON GRANT STREET NEAR PINE. WIRES DOWN ON HIGHLAND AVENUE. TREE DOWN ON WIRES. LARGE
Jul 23, 5:52 PM EDTTSTM WND DMGWinchester, MAWIRES DOWN ON IRVING STREET. TREE DOWN ON HOUSE ON SHEFFIELD ROAD. TREE DOWN ON MAIN STREET BY THE REC DEPT. AND ON GRANT STREET NEAR PINE.
Jul 23, 5:54 PM EDTHAIL 0.88Woburn, MA
Jul 23, 6:00 PM EDTTSTM WND DMGArlington, MATREE DOWN ON A CAR ON HOWARD STREET. LARGE BRANCH DOWN ON WIRES ON DUDLEY STREET.
Jul 23, 6:00 PM EDTTSTM WND DMGArlington, MASEVERAL BRANCHES AND TREES DOWN AT THE CORNER OF WASHINGTON AND ARNOLD.
Jul 23, 6:00 PM EDTTSTM WND DMGMalden, MAWIRES DOWN ON HANOVER STREET. TREES AND WIRES DOWN IN SEVERAL LOCATIONS.
Jul 23, 6:00 PM EDTTSTM WND DMGMedford, MALARGE TREE LIMB DOWN.
Jul 23, 6:00 PM EDTTSTM WND DMGMelrose, MALARGE LIMBS DOWN ON WHITMAN...LIONEL...AND MIDDLE STREETS. TREE AND WIRES DOWN ON LIONEL AND MIDDLE STREETS.
Jul 23, 6:00 PM EDTTSTM WND DMGWinchester, MALARGE TREE DOWN ON BACON STREET.
Jul 23, 6:01 PM EDTTSTM WND DMGArlington, MATREE BRANCH DOWN.
Jul 23, 6:01 PM EDTHAIL 0.75Arlington, MA
Jul 23, 6:05 PM EDTTSTM WND DMGEverett, MATREE DOWN ON AVON STREET.
Jul 23, 6:08 PM EDTHAIL 0.75Revere, MA
Jul 23, 6:10 PM EDTTSTM WND DMGRevere, MATENT BLOWN OVER ON REVERE BEACH. TREE AND POWER LINES DOWN ON ENDICOTT AVENUE AND ON CARUSO STREET. WIRES DOWN ON VINYL STREET.
Jul 23, 6:10 PM EDTTSTM WND DMGRevere, MATREE AND POWER LINES DOWN ON ENDICOTT AVENUE AND ON CARUSO STREET. WIRES DOWN ON VINYL STREET.

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 12:00Z, 9.6 hours before the alert went out and 116 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-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2016-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2016-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
186 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

403 
WWUS81 KBOX 232136
SPSBOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
536 PM EDT SAT JUL 23 2016
 
MAZ005-007-014-015-232215-
EASTERN ESSEX MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
CENTRAL MIDDLESEX COUNTY MA-
536 PM EDT SAT JUL 23 2016

...STRONG THUNDERSTORM IN SOUTH CENTRAL ESSEX...NORTHERN SUFFOLK AND
EAST CENTRAL MIDDLESEX COUNTIES...

AT 536 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
BURLINGTON...OR OVER LEXINGTON...MOVING EAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL ACCOMPANY THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BOSTON...CAMBRIDGE...LYNN...SOMERVILLE...WALTHAM...MALDEN...
MEDFORD...REVERE...PEABODY...ARLINGTON...EVERETT...SALEM...
BILLERICA...WOBURN...CHELSEA...WATERTOWN...LEXINGTON...TEWKSBURY...
MELROSE AND SAUGUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS A FEW DOWNED BRANCHES.

&&

LAT...LON 4250 7085 4246 7089 4246 7094 4242 7091
      4242 7094 4241 7099 4237 7097 4234 7087
      4233 7089 4236 7096 4233 7093 4238 7101
      4233 7094 4232 7093 4233 7095 4231 7097
      4242 7137 4260 7130
TIME...MOT...LOC 2136Z 288DEG 20KT 4248 7121 

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:15 PM EDTSpecial Marine WarningBOX90 min
Jul 22, 8:25 PM EDTSevere Thunderstorm WarningBOXBristol, Norfolk65 min
Jul 22, 8:31 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Plymouth, Suffolk59 min
Jul 22, 8:44 PM EDTSpecial Marine WarningBOX61 min
Jul 22, 8:44 PM EDTSevere Thunderstorm WarningBOXBristol46 min
Jul 22, 8:49 PM EDTSevere Thunderstorm WarningBOXBristol, Plymouth56 min
Jul 22, 8:53 PM EDTSpecial Marine WarningBOX52 min
Jul 22, 9:04 PM EDTSevere Thunderstorm WarningBOXPlymouth41 min
Jul 22, 9:27 PM EDTSpecial Weather StatementBOXBristol48 min
Jul 22, 9:40 PM EDTSevere Thunderstorm WarningBOXBarnstable, Plymouth35 min
Jul 22, 9:42 PM EDTSpecial Marine WarningBOX48 min
Jul 22, 10:05 PM EDTSevere Thunderstorm WarningBOXBarnstable40 min
Jul 22, 10:09 PM EDTSpecial Marine WarningBOX66 min
Jul 22, 10:15 PM EDTSpecial Marine WarningBOX60 min
Jul 22, 10:25 PM EDTSevere Thunderstorm WarningBOXBristol65 min
Jul 22, 10:40 PM EDTSpecial Marine WarningBOX65 min
Jul 22, 10:46 PM EDTSpecial Marine WarningBOX59 min
Jul 22, 11:06 PM EDTSevere Thunderstorm WarningBOXBristol54 min
Jul 22, 11:14 PM EDTSevere Thunderstorm WarningBOXBarnstable46 min
Jul 22, 11:37 PM EDTSpecial Marine WarningBOX83 min
Jul 22, 11:39 PM EDTSpecial Marine WarningBOX66 min
Jul 22, 11:55 PM EDTSevere Thunderstorm WarningBOXBarnstable, Bristol, Dukes, Plymouth50 min
Jul 23, 12:46 AM EDTSevere Thunderstorm WarningBOXDukes, Nantucket44 min
Jul 23, 1:10 AM EDTSpecial Weather StatementBOXBristol50 min
Jul 23, 1:41 AM EDTSpecial Weather StatementBOXBarnstable, Dukes, Nantucket94 min
Jul 23, 5:43 PM EDTSpecial Weather StatementBOXSuffolk32 min
Jul 23, 5:46 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Suffolk44 min
Jul 23, 5:52 PM EDTSpecial Marine WarningBOX38 min
Jul 23, 6:01 PM EDTSpecial Weather StatementBOXNorfolk44 min
Jul 23, 6:22 PM EDTSpecial Marine WarningBOX38 min
Jul 23, 6:27 PM EDTSpecial Weather StatementBOXSuffolk48 min
Jul 23, 6:38 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Worcester52 min
Jul 23, 6:46 PM EDTSpecial Marine WarningBOX119 min
Jul 23, 6:52 PM EDTSevere Thunderstorm WarningBOXFranklin38 min
Jul 23, 7:06 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Norfolk, Suffolk, Worcester54 min
Jul 23, 7:15 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire, Worcester60 min
Jul 23, 7:29 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Worcester31 min
Jul 23, 7:35 PM EDTSpecial Marine WarningBOX55 min
Jul 23, 7:46 PM EDTSpecial Marine WarningBOX59 min
Jul 23, 7:50 PM EDTSpecial Weather StatementBOXBristol40 min
Jul 23, 7:53 PM EDTSpecial Marine WarningBOX67 min
Jul 23, 7:54 PM EDTSpecial Weather StatementBOXBristol, Norfolk51 min
Jul 23, 7:57 PM EDTSpecial Weather StatementBOXBristol, Norfolk48 min
Jul 22, 8:18 PM EDTSpecial Weather StatementBOXProvidence42 min
Jul 22, 9:47 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Providence43 min
Jul 22, 10:27 PM EDTSevere Thunderstorm WarningBOXKent, Providence48 min
Jul 23, 12:12 AM EDTSpecial Weather StatementBOXKent, Newport48 min
Jul 22, 8:44 PM EDTSpecial Weather StatementBOX61 min
Jul 22, 9:06 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region39 min
Jul 22, 9:53 PM EDTSpecial Weather StatementBOX52 min
Jul 22, 9:57 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region48 min
Jul 23, 6:10 PM EDTSpecial Weather StatementBOX50 min

Nearby

Special Weather Statements in Massachusetts, 2016Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.