Alert archive / Rhode Island / Special Weather Statements in 2016

Special Weather Statement, NWS Boston/Norton, MA

August 16, 2016Kent County, Rhode Island

NWS Boston/Norton, MA issued this special weather statement at Aug 16, 2016, 1:45 PM EDT for Kent County, Rhode Island. It was in force for 60 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, 1:45 PM EDT (17:45 UTC)
Expired
Aug 16, 2016, 2:45 PM EDT
In force
60 min
Issued by
NWS Boston/Norton, MA

County Kent County, RI

The radar

The Boston radar (KBOX), 59 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 129 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, Brookhaven, NY at 12:00Z on 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1793 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 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
1793 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 16, 1:33 PM EDT, 12 minutes earlier.

Area forecast discussion, Aug 16, 1:33 PM EDT, 12 minutes before
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Hazardous weather outlook, Aug 16, 10:40 AM EDT, 3 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
1040 AM EDT TUE AUG 16 2016

MAZ005>007-013>024-026-RIZ002>008-171445-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
BARNSTABLE MA-DUKES MA-NANTUCKET MA-NORTHERN MIDDLESEX MA-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
1040 AM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN...NORTHEASTERN...AND
SOUTHEASTERN MASSACHUSETTS...AND SOUTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE FOR THE LATE AFTERNOON INTO EVENING
HOURS. SOME OF THESE STORMS MAY BE STRONG TO SEVERE WITH THE
THREATS OF GUSTY TO DAMAGING WINDS...FREQUENT LIGHTNING...AND
HEAVY RAIN. THERE IS THE RISK OF LOCALIZED URBAN AND POOR-
DRAINAGE FLOODING WITH HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

ANZ230>237-250-251-254>256-171445-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
1040 AM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS AND RHODE
ISLAND COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS WITH GALE FORCE WIND GUSTS ARE POSSIBLE ACROSS
COASTAL WATERS...ESPECIALLY THE EASTERN COASTAL WATERS DURING THE
LATE AFTERNOON INTO EVENING HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

CTZ002>004-MAZ002>004-008>012-RIZ001-171445-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHWEST PROVIDENCE RI-
1040 AM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL
AND WESTERN MASSACHUSETTS...AND NORTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED DURING THE AFTERNOON INTO EVENING
HOURS. SOME OF THESE STORMS WILL BE STRONG TO SEVERE WITH THE
THREATS OF GUSTY TO DAMAGING WINDS...FREQUENT LIGHTNING...AND
HEAVY RAIN. THERE IS THE RISK OF LOCALIZED URBAN AND POOR-
DRAINAGE FLOODING AND THE POSSIBILITY OF A TORNADO. ISOLATED
FLASH FLOODING CANNOT BE RULED OUT AS WELL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Special weather statement, Aug 16, 12:38 PM EDT, 1 hour 7 minutes before
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Special weather statement, Aug 16, 1:20 PM EDT, 25 minutes before
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Special weather statement, Aug 16, 1:45 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
145 PM EDT TUE AUG 16 2016

RIZ003-006-161845-
WASHINGTON RI-WESTERN KENT RI-
145 PM EDT TUE AUG 16 2016

...A DEVELOPING THUNDERSTORM WILL PRODUCE LOCALLY HEAVY RAINFALL
ACROSS WESTERN RHODE ISLAND BETWEEN 2 AND 3 PM...

AT 142 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
VOLUNTOWN...OR 9 MILES SOUTH OF PLAINFIELD...MOVING NORTHEAST AT 20
MPH.

HEAVY RAINFALL CAPABLE OF PRODUCING LOCALIZED STREET FLOODING WILL
OCCUR WITH THIS STORM. WINDS IN EXCESS OF 30 MPH MAY ALSO ACCOMPANY
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
COVENTRY...EAST GREENWICH...HOPKINTON...RICHMOND...EXETER AND WEST
GREENWICH.

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
ATTEMPT TO DRIVE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4164 7179 4165 7178 4173 7167 4163 7154
      4160 7154 4151 7179
TIME...MOT...LOC 1742Z 231DEG 20KT 4157 7187

THOMPSON

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, 2:20 PM EDTSpecial Weather StatementBOXProvidence55 min
Aug 16, 4:21 PM EDTSpecial Weather StatementBOXProvidence39 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.