Alert archive / Connecticut / Special Weather Statements in 2015

Special Weather Statement, NWS Boston/Norton, MA

July 8, 2015

NWS Boston/Norton, MA issued this special weather statement at Jul 8, 2015, 6:14 PM EDT. It was in force for 46 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: Jul 8, 2015, 6:14 PM EDT (22:14 UTC)
Expired: Jul 8, 2015, 7:00 PM EDT
In force: 46 min
Issued by: NWS Boston/Norton, MA

The radar

The Boston radar (KBOX), 68 km from the middle of the area, began a volume at 22:15 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

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 122 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: 849 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 901 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

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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 Jul 8, 6:02 PM EDT, 12 minutes earlier.

Area forecast discussion, Jul 8, 6:02 PM EDT, 12 minutes before

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Hazardous weather outlook, Jul 8, 4:18 PM EDT, 1 hour 56 minutes before

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In the hours before

Special weather statement, Jul 8, 1:11 PM EDT, 5 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
111 PM EDT WED JUL 8 2015

CTZ003-004-081800-
WINDHAM-TOLLAND-
111 PM EDT WED JUL 8 2015

...STRONG THUNDERSTORM IN NORTHWESTERN WINDHAM...TOLLAND AND
NORTHEASTERN HARTFORD COUNTIES...

AT 110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER ELLINGTON...OR NEAR VERNON...MOVING EAST AT
25 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 40 MPH CAN BE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
VERNON...MANSFIELD...SOUTH WINDSOR...WINDHAM...ELLINGTON...TOLLAND...
COVENTRY...STAFFORD...SOMERS...EAST WINDSOR...WOODSTOCK...
WILLINGTON...BOLTON...ASHFORD...CHAPLIN...EASTFORD AND UNION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

LAT...LON 4194 7251 4195 7249 4200 7250 4200 7208
      4174 7213 4180 7247 4181 7248 4181 7251
      4186 7250 4186 7252 4190 7252
TIME...MOT...LOC 1710Z 277DEG 21KT 4191 7245

DUNTEN

Special weather statement, Jul 8, 2:48 PM EDT, 3 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
248 PM EDT WED JUL 8 2015

RIZ001>004-081930-
SOUTHEAST PROVIDENCE-EASTERN KENT-WESTERN KENT-NORTHWEST PROVIDENCE-
248 PM EDT WED JUL 8 2015

...STRONG THUNDERSTORM IN EASTERN WINDHAM...HEADING TOWARDS CENTRAL
KENT...AND SOUTHERN PROVIDENCE COUNTIES...

AT 246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR GLOCESTER...OR 9 MILES WEST OF JOHNSTON...
MOVING EAST AT 25 MPH.

WIND GUSTS UP TO 40 MPH CAN BE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PROVIDENCE...WARWICK...CRANSTON...PAWTUCKET...COVENTRY...NORTH
PROVIDENCE...WEST WARWICK...JOHNSTON...SMITHFIELD...LINCOLN...
KILLINGLY...BURRILLVILLE...EAST GREENWICH...SCITUATE...GLOCESTER AND
FOSTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

LAT...LON 4176 7179 4185 7180 4195 7175 4187 7137
      4186 7138 4185 7138 4181 7140 4169 7144
      4169 7145 4167 7144 4164 7145 4163 7148
TIME...MOT...LOC 1846Z 288DEG 20KT 4184 7170

DUNTEN

Special weather statement, Jul 8, 4:16 PM EDT, 1 hour 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
416 PM EDT WED JUL 8 2015

MAZ020-021-RIZ007-082100-
SOUTHERN PLYMOUTH-SOUTHERN BRISTOL-NEWPORT-
416 PM EDT WED JUL 8 2015

...STRONG THUNDERSTORM IN SOUTHEASTERN BRISTOL...SOUTHERN PLYMOUTH
AND NORTHEASTERN NEWPORT COUNTIES...

AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR FALL RIVER...MOVING SOUTHEAST AT 20 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS BETWEEN 40 TO 50 MPH CAN
BE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
NEW BEDFORD...FALL RIVER...DARTMOUTH...SOMERSET...PORTSMOUTH...
FAIRHAVEN...SWANSEA...TIVERTON...WESTPORT...ACUSHNET...FREETOWN...
MATTAPOISETT AND LITTLE COMPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.

&&

LAT...LON 4156 7106 4153 7106 4152 7107 4159 7121
      4164 7122 4162 7127 4171 7116 4172 7120
      4178 7116 4174 7114 4177 7111 4168 7079
      4165 7092 4158 7094 4160 7096 4154 7093
      4150 7103
TIME...MOT...LOC 2015Z 296DEG 13KT 4167 7113

DUNTEN

Special weather statement, Jul 8, 4:38 PM EDT, 1 hour 36 minutes before

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Local storm report, Jul 8, 4:59 PM EDT, 1 hour 15 minutes before

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Special weather statement, Jul 8, 6:14 PM 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
Jul 8, 4:16 PM EDT	Special Weather Statement	BOX	Bristol	44 min
Jul 8, 4:38 PM EDT	Special Weather Statement	BOX	Plymouth	52 min
Jul 8, 2:48 PM EDT	Special Weather Statement	BOX	Kent, Providence	42 min
Jul 8, 6:40 PM EDT	Areal Flood Advisory	BOX	Bristol, Kent, Providence	65 min
Jul 8, 1:11 PM EDT	Special Weather Statement	BOX		49 min

Nearby

Special Weather Statements in Connecticut, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.