Alert archive / Massachusetts / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

August 6, 2016Worcester County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 6, 2016, 4:46 PM EDT for Worcester County, Massachusetts. It was in force for 44 min. 2 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
Aug 6, 2016, 4:46 PM EDT (20:46 UTC)
Expired
Aug 6, 2016, 5:30 PM EDT
In force
44 min
Issued by
NWS Boston/Norton, MA

County Worcester County, MA

The radar

The Boston radar (KBOX), 87 km from the middle of the area, began a volume at 20:46 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
Aug 6, 5:39 PM EDTTSTM WND DMGAuburn, MAWIRES DOWN BLOCKING THE ON RAMP TO ROUTE 90 AT BRYN MAWR AVE
Aug 6, 5:40 PM EDTTSTM WND DMGCharlton, MA6 TO 8 INCH TREE BRANCH DOWN ON GUARD HILL ON DRESSER HILL ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.8 hours before the alert went out and 149 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, Albany, NY at 12:00Z on 2016-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 414 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, Albany, NY at 12:00Z on 2016-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
414 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
763 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

335 
WWUS81 KBOX 062046
SPSBOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
446 PM EDT SAT AUG 6 2016
 
MAZ004-010>012-062130-
NORTHERN WORCESTER MA-SOUTHERN WORCESTER MA-EASTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-
446 PM EDT SAT AUG 6 2016

...AREA OF HEAVY SHOWERS AND THUNDERSTORMS MOVING THROUGH HAMPDEN
COUNTY...

AT 442 PM EDT...DOPPLER RADAR WAS TRACKING AN AREA OF SHOWERS AND A
FEW THUNDERSTORMS...STRETCHING FROM WEST SPRINGFIELD TO PALMER...
MOVING EAST AT 25 MPH.

LOCALLY TORRENTIAL DOWNPOURS MAY PRODUCE PONDING OF WATER ON
ROADWAYS.

LOCATIONS IMPACTED INCLUDE...
WORCESTER...SPRINGFIELD...SHREWSBURY...LUDLOW...WESTBOROUGH...
GRAFTON...WEBSTER...SOUTHBRIDGE...AUBURN...EAST LONGMEADOW...
NORTHBRIDGE...BELCHERTOWN...WILBRAHAM...OXFORD...UXBRIDGE...
MILLBURY...CHARLTON...PALMER...SPENCER AND DUDLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4224 7250 4228 7163 4202 7162 4207 7251
TIME...MOT...LOC 2042Z 269DEG 45KT 4216 7237 

$$
FIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 3:23 PM EDTSpecial Weather StatementBOXMiddlesex22 min
Aug 6, 3:55 PM EDTSpecial Weather StatementBOXEssex35 min
Aug 6, 4:17 PM EDTSpecial Weather StatementBOXBristol28 min
Aug 6, 5:28 PM EDTAreal Flood AdvisoryBOXHampden, Worcester2 hr
Aug 6, 5:42 PM EDTSevere Thunderstorm WarningBOXNorfolk, Worcester33 min
Aug 6, 6:11 PM EDTSpecial Marine WarningBOX49 min
Aug 6, 6:13 PM EDTSevere Thunderstorm WarningBOXBristol, Norfolk34 min
Aug 6, 6:18 PM EDTSpecial Marine WarningBOX42 min
Aug 6, 3:33 PM EDTSpecial Weather StatementBOXWashington42 min
Aug 6, 6:05 PM EDTSpecial Weather StatementBOXBristol, Kent, Providence55 min
Aug 6, 5:13 PM EDTSpecial Weather StatementBOX47 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.