Alert archive / Massachusetts / Special Weather Statements in 2015

Special Weather Statement, NWS Boston/Norton, MA

August 4, 2015Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this special weather statement at Aug 4, 2015, 1:21 PM EDT for Hampshire County, Massachusetts. It was in force for 54 min. 4 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 4, 2015, 1:21 PM EDT (17:21 UTC)
Expired: Aug 4, 2015, 2:15 PM EDT
In force: 54 min
Issued by: NWS Boston/Norton, MA

County Hampshire County, MA

The radar

The Albany radar (KENX), 94 km from the middle of the area, began a volume at 17:20 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
Aug 4, 1:48 PM EDT	TSTM WND DMG	Cummington, MA	TREE DOWN ON CAR
Aug 4, 1:53 PM EDT	TSTM WND DMG	Worthington Center, MA	DINGLE ROAD LARGE TREE AND WIRES DOWN
Aug 4, 1:55 PM EDT	TSTM WND DMG	Cummington, MA	8 TREES DOWN...ON DODWELLS ROAD...FAIRGROUNDS ROAD AND ROUTE 112 WHERE TREE BROKE A TELEPHONE CABLE. LARGE LIMB DOWN ON HOUSE ON MOUNT ROAD.
Aug 4, 1:55 PM EDT	TSTM WND DMG	Cummington, MA	TREE ON WIRES

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, 5.4 hours before the alert went out and 79 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: 163 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

727 
WWUS81 KBOX 041721
SPSBOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
121 PM EDT TUE AUG 4 2015
 
MAZ002-008-041815-
WESTERN FRANKLIN-WESTERN HAMPSHIRE-
121 PM EDT TUE AUG 4 2015

...A SEVERE THUNDERSTORM WILL AFFECT WESTERN FRANKLIN...WESTERN
HAMPSHIRE...

AT 121 PM EDT...A SEVERE THUNDERSTORM WAS NEAR NEW LEBANON...OR NEAR
PITTSFIELD...MOVING EAST AT 30 MPH.

WINDS IN EXCESS OF 60 MPH AND HAIL ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WILLIAMSBURG...HUNTINGTON...BUCKLAND...CONWAY...ASHFIELD...COLRAIN...
WESTHAMPTON...CHESTER...CHARLEMONT...CHESTERFIELD...WORTHINGTON...
GOSHEN...CUMMINGTON...HEATH...PLAINFIELD...MIDDLEFIELD...HAWLEY AND
EAST WINDSOR.

THIS STORM MAY PRODUCE DAMAGING WINDS OR LARGE HAIL. THOSE OUTDOORS
MUST REMAIN ALERT. HEAD INDOORS WHEN THUNDERSTORMS APPROACH. STAY
TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

&&

LAT...LON 4239 7305 4238 7301 4262 7296 4266 7276
      4232 7275 4233 7286 4233 7289 4234 7290
      4234 7306 4238 7307
TIME...MOT...LOC 1721Z 256DEG 26KT 4246 7333 

$$

DUNTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 4:11 AM EDT	Special Weather Statement	BOX	Franklin, Hampshire	64 min
Aug 4, 6:09 AM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk, Plymouth	66 min
Aug 4, 6:13 AM EDT	Special Marine Warning	BOX		62 min
Aug 4, 6:53 AM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Bristol, Norfolk, Plymouth	52 min
Aug 4, 6:54 AM EDT	Severe Thunderstorm Warning	BOX	Bristol, Plymouth	51 min
Aug 4, 6:55 AM EDT	Special Marine Warning	BOX		65 min
Aug 4, 7:01 AM EDT	Special Marine Warning	BOX		89 min
Aug 4, 7:15 AM EDT	Severe Thunderstorm Warning	BOX	Barnstable	60 min
Aug 4, 7:48 AM EDT	Special Weather Statement	BOX	Essex	42 min
Aug 4, 7:54 AM EDT	Special Marine Warning	BOX		66 min
Aug 4, 8:06 AM EDT	Severe Thunderstorm Warning	BOX	Essex	24 min
Aug 4, 8:15 AM EDT	Special Marine Warning	BOX		60 min
Aug 4, 12:32 PM EDT	Special Weather Statement	BOX	Franklin	43 min
Aug 4, 12:41 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	64 min
Aug 4, 1:28 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	47 min
Aug 4, 1:35 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	40 min
Aug 4, 1:57 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	63 min
Aug 4, 2:05 PM EDT	Special Weather Statement	BOX	Hampden, Hampshire	40 min
Aug 4, 2:07 PM EDT	Tornado Warning	BOX	Middlesex, Worcester	23 min
Aug 4, 2:17 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire, Worcester	58 min
Aug 4, 2:25 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	65 min
Aug 4, 2:28 PM EDT	Tornado Warning	BOX	Middlesex	32 min
Aug 4, 2:39 PM EDT	Tornado Warning	BOX	Franklin, Worcester	46 min
Aug 4, 2:47 PM EDT	Special Marine Warning	BOX		58 min
Aug 4, 2:49 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	41 min
Aug 4, 3:00 PM EDT	Special Weather Statement	BOX	Essex	45 min
Aug 4, 3:24 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	48 min
Aug 4, 3:40 PM EDT	Special Marine Warning	BOX		95 min
Aug 4, 3:46 PM EDT	Special Marine Warning	BOX		59 min
Aug 4, 3:50 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Plymouth, Suffolk, Worcester	55 min
Aug 4, 4:07 PM EDT	Areal Flood Warning	BOX	Essex, Middlesex, Norfolk, Suffolk	113 min
Aug 4, 4:11 PM EDT	Special Marine Warning	BOX		64 min
Aug 4, 4:23 PM EDT	Special Weather Statement	BOX	Plymouth	37 min
Aug 4, 5:08 PM EDT	Special Marine Warning	BOX		52 min
Aug 4, 5:18 PM EDT	Special Weather Statement	BOX	Worcester	42 min
Aug 4, 5:45 PM EDT	Special Weather Statement	BOX	Hampshire	45 min
Aug 4, 6:17 PM EDT	Special Weather Statement	BOX	Norfolk, Suffolk	43 min
Aug 4, 7:30 PM EDT	Special Weather Statement	BOX	Suffolk	45 min
Aug 4, 5:33 AM EDT	Special Weather Statement	BOX	Kent, Providence	57 min

Nearby

Special Weather Statements in Massachusetts, 2015 Every special weather statement in 2015

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.