Alert archive / Rhode Island / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

August 16, 2016Providence County, Rhode Island

NWS Boston/Norton, MA issued this special weather statement at Aug 16, 2016, 4:21 PM EDT for Providence County, Rhode Island. It was in force for 39 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 16, 2016, 4:21 PM EDT (20:21 UTC)
Expired
Aug 16, 2016, 5:00 PM EDT
In force
39 min
Issued by
NWS Boston/Norton, MA

County Providence County, RI

The radar

The Boston radar (KBOX), 45 km from the middle of the area, began a volume at 20:25 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 12:00Z, 8.4 hours before the alert went out and 147 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 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1082 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

628 
WWUS81 KBOX 162021
SPSBOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
421 PM EDT TUE AUG 16 2016
 
CTZ004-MAZ012-RIZ001-162100-
WINDHAM CT-SOUTHERN WORCESTER MA-NORTHWEST PROVIDENCE RI-
421 PM EDT TUE AUG 16 2016

...STRONG THUNDERSTORM IN NORTHEASTERN WINDHAM...SOUTHWESTERN
NORFOLK...SOUTHEASTERN WORCESTER AND NORTHWESTERN PROVIDENCE
COUNTIES...

AT 421 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER THOMPSON...OR 16 MILES WEST OF WOONSOCKET...MOVING NORTHEAST AT
10 MPH.

WIND GUSTS UP TO 50 MPH WILL ACCOMPANY THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SHREWSBURY...GRAFTON...KILLINGLY...WEBSTER...BELLINGHAM...
BURRILLVILLE...NORTHBRIDGE...OXFORD...UXBRIDGE...MILLBURY...
NORTH SMITHFIELD...DUDLEY...GLOCESTER...PUTNAM...THOMPSON...
BLACKSTONE...SUTTON...DOUGLAS...UPTON AND HOPEDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. 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.

THESE STORMS MAY INTENSITY AND BECOME CAPABLE OF PRODUCING DAMAGE.
STAY TUNED FOR UPDATED STATEMENTS AND POSSIBLE WARNINGS.

&&

LAT...LON 4207 7149 4204 7150 4189 7181 4203 7198
      4226 7169
TIME...MOT...LOC 2021Z 231DEG 11KT 4201 7183 

$$

RLG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 3:21 PM EDTSpecial Weather StatementBOXHampden39 min
Aug 16, 3:36 PM EDTSpecial Weather StatementBOXHampden39 min
Aug 16, 3:41 PM EDTSevere Thunderstorm WarningBOXWorcester34 min
Aug 16, 4:20 PM EDTSpecial Weather StatementBOXWorcester40 min
Aug 16, 4:52 PM EDTSpecial Weather StatementBOXNorfolk38 min
Aug 16, 5:01 PM EDTSpecial Weather StatementBOXWorcester59 min
Aug 16, 5:07 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester53 min
Aug 16, 1:45 PM EDTSpecial Weather StatementBOXKent60 min
Aug 16, 2:20 PM EDTSpecial Weather StatementBOXProvidence55 min
Aug 16, 12:38 PM EDTSpecial Weather StatementBOX37 min
Aug 16, 1:20 PM EDTSpecial Weather StatementBOX55 min
Aug 16, 2:42 PM EDTSpecial Weather StatementBOX63 min
Aug 16, 3:06 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region39 min
Aug 16, 3:26 PM EDTSpecial Weather StatementBOX49 min
Aug 16, 4:16 PM EDTSpecial Weather StatementBOX44 min

Nearby

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