Alert archive / Rhode Island / Tornado Warnings in 2015

Tornado Warning 7, NWS Boston/Norton, MA

July 28, 2015Washington County, Rhode Island

NWS Boston/Norton, MA issued this tornado warning at Jul 28, 2015, 6:06 PM EDT for Washington County, Rhode Island. It was in force for 14 min. 1 report 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
Jul 28, 2015, 6:06 PM EDT (22:06 UTC)
Expired
Jul 28, 2015, 6:20 PM EDT
In force
14 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Washington County, RI

The radar

The Boston radar (KBOX), 79 km from the middle of the area, began a volume at 22:08 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
Jul 28, 6:07 PM EDTTSTM WND DMGNarragansett, RIMULTIPLE TREES DOWN ACROSS ROAD ON OLD BOSTON NECK ROAD

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.1 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2015-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1348 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, Brookhaven, NY at 12:00Z on 2015-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1348 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

305 
WFUS51 KBOX 282206
TORBOX
RIC009-282300-
/O.NEW.KBOX.TO.W.0007.150728T2206Z-150728T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
606 PM EDT TUE JUL 28 2015

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WASHINGTON COUNTY IN RHODE ISLAND...

* UNTIL 700 PM EDT
    
* AT 605 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER NARRAGANSETT...OR NEAR SOUTH KINGSTOWN...AND WAS MOVING SOUTH
  AT 15 MPH.

* SOME LOCATIONS IMPACTED INCLUDE...
  SOUTH KINGSTOWN...BLOCK ISLAND AND NARRAGANSETT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

TAKE COVER NOW! DO NOT WAIT TO SEE THE TORNADO. GO TO A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM
WINDOWS. IF IN A VEHICLE...A MOBILE HOME OR OUTDOORS...GET TO THE
CLOSEST SHELTER. PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4116 7161 4123 7158 4137 7160 4149 7156
      4148 7142 4145 7143 4143 7146 4141 7145
      4136 7149 4138 7152 4137 7157 4123 7157
      4122 7156 4118 7157 4116 7155 4115 7160
TIME...MOT...LOC 2205Z 004DEG 12KT 4141 7146 
$$

MD
2 follow-up statements
161 
WWUS51 KBOX 282214
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
614 PM EDT TUE JUL 28 2015

RIC009-282300-
/O.CON.KBOX.TO.W.0007.000000T0000Z-150728T2300Z/
WASHINGTON RI-
614 PM EDT TUE JUL 28 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR EAST
CENTRAL WASHINGTON COUNTY...
    
AT 614 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER
NARRAGANSETT...OR NEAR SOUTH KINGSTOWN...MOVING SOUTH AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
SOUTH KINGSTOWN AND NARRAGANSETT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND GO TO A STRONG BUILDING. GO TO
THE BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM
WINDOWS.

MOST TORNADOES IN NEW ENGLAND ARE OBSCURED BY RAIN. DO NOT WAIT TO
SEE OR HEAR THE TORNADO. TAKE COVER NOW! GO TO A BASEMENT OR AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4137 7160 4149 7156 4148 7142 4145 7143
      4143 7146 4141 7145 4136 7149 4138 7152
      4137 7157
TIME...MOT...LOC 2214Z 004DEG 12KT 4138 7146 

$$

MD
527 
WWUS51 KBOX 282220
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
620 PM EDT TUE JUL 28 2015

RIC009-282230-
/O.CAN.KBOX.TO.W.0007.000000T0000Z-150728T2300Z/
WASHINGTON RI-
620 PM EDT TUE JUL 28 2015

...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY IS
CANCELED...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.
HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT.

LAT...LON 4137 7160 4149 7156 4148 7142 4145 7143
      4143 7146 4141 7145 4136 7149 4138 7152
      4137 7157
TIME...MOT...LOC 2218Z 004DEG 12KT 4136 7146 

$$

MD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:05 PM EDTSevere Thunderstorm WarningBOXProvidence55 min
Jul 28, 4:06 PM EDTSpecial Weather StatementBOXProvidence39 min
Jul 28, 4:10 PM EDTSpecial Weather StatementBOXBristol50 min
Jul 28, 4:35 PM EDTSpecial Weather StatementBOXBristol, Newport40 min
Jul 28, 4:55 PM EDTSevere Thunderstorm WarningBOXNewport35 min
Jul 28, 5:42 PM EDTSevere Thunderstorm WarningBOXNewport, Washington45 min
Jul 28, 6:00 PM EDTSevere Thunderstorm WarningBOXWashington28 min

Nearby

Tornado Warnings in Rhode Island, 2015Every tornado warning in 2015Tornadoes 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.