Alert archive / Massachusetts / Rip Current Statements in 2011

Rip Current Statement 2, NWS Boston/Norton, MA

August 25, 2011Newport County, Washington County, Rhode Island; 4 counties in Massachusetts

NWS Boston/Norton, MA issued this rip current statement at Aug 25, 2011, 5:03 PM EDT for Newport County, Washington County, Rhode Island; 4 counties in Massachusetts. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Aug 25, 2011, 5:03 PM EDT (21:03 UTC)
Expired
Aug 26, 2011, 5:36 AM EDT
In force
13 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Nantucket County, MA, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 57 km from the middle of the area, began a volume at 21:03 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, 9.1 hours before the alert went out and 74 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 2011-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2011-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
2 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

207 
WHUS41 KBOX 252103
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
503 PM EDT THU AUG 25 2011

...HIGH RISK OF STRONG RIP CURRENTS AND ROUGH SURF...

.THE COMBINATION OF GUSTY SOUTH WINDS THURSDAY AND THE FIRST SET
OF SWELLS FROM HURRICANE IRENE HAVE INCREASED THE RISK FOR STRONG
RIP CURRENTS AND ROUGH SURF AT SOUTH FACING OCEAN BEACHES OF RHODE
ISLAND AND SOUTHEAST MASSACHUSETTS. THE RISK OF STRONG RIP CURRENTS
AND ROUGH SURF WILL CONTINUE INTO FRIDAY AND WILL LIKELY INCREASE
FURTHER SATURDAY AND ESPECIALLY SUNDAY. THIS WILL LIKELY RESULT IN
SWIMMING RESTRICTIONS AND BEACH CLOSURES BY SUNDAY. HEED THE ADVICE OF
LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION TO FLAGS AND POSTED
SIGNS. RIP CURRENTS CAN BECOME LIFE THREATENING TO ANYONE WHO
ENTERS THE SURF.

MAZ020-022>024-RIZ006>008-260515-
/O.NEW.KBOX.RP.S.0002.110825T2103Z-110826T1000Z/
SOUTHERN BRISTOL MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
503 PM EDT THU AUG 25 2011

...RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...

* LOCATION...SOUTH FACING OCEAN BEACHES OF RI AND SOUTHEAST MA. 

* RIP CURRENT RISK...MODERATE TO HIGH. 

* SURF HEIGHT...3 TO 5 FT WITH A FEW BREAKERS UP TO 7 FT. 

* TIMING AND TIDES...BEGINNING THURSDAY AND BECOMING MORE
  DANGEROUS INTO THE WEEKEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING AWAY FROM
SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND
PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY
ATTENTION TO FLAGS AND POSTED SIGNS. RIP CURRENTS CAN BECOME LIFE
THREATENING TO ANYONE WHO ENTERS THE SURF.

PLEASE VISIT THE FOLLOWING WEBSITE (USE LOWERCASE LETTERS) TO
SHARE YOUR THOUGHTS ON THE NEW RIP CURRENT HAZARD

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM

&&

$$

NOCERA
1 follow-up statement
786 
WHUS41 KBOX 260936
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
536 AM EDT FRI AUG 26 2011

MAZ020-022>024-RIZ006>008-261045-
/O.CAN.KBOX.RP.S.0002.000000T0000Z-110826T1000Z/
SOUTHERN BRISTOL MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
536 AM EDT FRI AUG 26 2011

...RIP CURRENT RISK IS CANCELLED...

A HURRICANE WATCH HAS BEEN ISSUED FOR THE REGION. THEREFORE...THE
RIP CURRENT HEADLINE IS NO LONGER NEEDED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 1:21 PM EDTSpecial Weather StatementBOXProvidence54 min
Aug 25, 2:24 PM EDTSpecial Weather StatementBOXEssex, Norfolk, Suffolk51 min
Aug 25, 7:55 PM EDTSpecial Weather StatementBOXHampshire65 min

Nearby

Rip Current Statements in Massachusetts, 2011Rip Current Statements in Rhode Island, 2011Every rip current statement in 2011

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.