Alert archive / Massachusetts / Rip Current Statements in 2023

Rip Current Statement 1, NWS Boston/Norton, MA

July 27, 2023Newport County, Washington County, Rhode Island; 5 counties in Massachusetts

NWS Boston/Norton, MA issued this rip current statement at Jul 27, 2023, 3:09 PM EDT for Newport County, Washington County, Rhode Island; 5 counties in Massachusetts. It took effect at Jul 28, 2023, 8:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jul 27, 2023, 3:09 PM EDT (19:09 UTC)
In effect from
Jul 28, 2023, 8:00 AM EDT
Expired
Jul 28, 2023, 5:16 PM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 19:11 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, 7.2 hours before the alert went out and 188 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 2023-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 954 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 2023-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
954 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.9

Open this sounding in Storm Lab

The text

As transmitted.

207 
WHUS41 KBOX 271909
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
309 PM EDT Thu Jul 27 2023

MAZ020>024-RIZ006>008-280815-
/O.NEW.KBOX.RP.S.0001.230728T1200Z-230729T0000Z/
/O.CON.KBOX.SU.Y.0002.000000T0000Z-230728T0000Z/
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Washington RI-Newport RI-Block Island RI-
309 PM EDT Thu Jul 27 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of 4 
  to 6 feet in the surf zone. For the High Rip Current Risk, 
  dangerous rip currents expected.

* WHERE...Washington, Southern Bristol MA, Southern Plymouth MA, 
  Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties.

* WHEN...For the High Surf Advisory, until 8 PM EDT this 
  evening. For the High Rip Current Risk, from Friday morning 
  through Friday evening.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$
2 follow-up statements
835 
WHUS41 KBOX 280607
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
207 AM EDT Fri Jul 28 2023

MAZ020>024-RIZ006>008-282100-
/O.CON.KBOX.RP.S.0001.230728T1200Z-230729T0000Z/
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Washington RI-Newport RI-Block Island RI-
207 AM EDT Fri Jul 28 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT FROM 8 AM EDT THIS
MORNING THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Washington, Southern Bristol MA, Southern Plymouth MA, 
  Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties.

* WHEN...From 8 AM EDT this morning through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$
089 
WHUS41 KBOX 282116
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
516 PM EDT Fri Jul 28 2023

MAZ020>024-RIZ006>008-282230-
/O.CAN.KBOX.RP.S.0001.000000T0000Z-230729T0000Z/
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Washington RI-Newport RI-Block Island RI-
516 PM EDT Fri Jul 28 2023

...HIGH RIP CURRENT RISK IS CANCELLED...

The high risk for rip currents along the south coasts of 
Massachusetts and Rhode Island has diminished. 

Of course, swimmers should still remain vigilant. Do not 
swim where it appears that there may be a rip current. 

$$
Field

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 5:50 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Providence, Washington55 min
Jul 27, 7:24 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Providence, Washington51 min
Jul 27, 7:42 PM EDTSevere Thunderstorm WarningBOXWashington33 min
Jul 27, 7:55 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Providence, Washington20 min
Jul 27, 1:58 AM EDTGale WarningBOX22 hr
Jul 27, 3:10 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire65 min
Jul 27, 4:03 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire, Worcester57 min
Jul 27, 4:35 PM EDTSevere Thunderstorm WarningBOXHampden55 min
Jul 27, 5:01 PM EDTSpecial Weather StatementBOXNorfolk, Worcester44 min
Jul 27, 5:22 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester53 min
Jul 27, 5:24 PM EDTSpecial Weather StatementBOXNorfolk66 min
Jul 27, 5:27 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Suffolk, Worcester48 min
Jul 27, 5:53 PM EDTSpecial Marine WarningBOX67 min
Jul 27, 5:57 PM EDTSpecial Marine WarningBOX63 min
Jul 27, 6:01 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Norfolk, Plymouth, Suffolk, Worcester59 min
Jul 27, 6:37 PM EDTSevere Thunderstorm WarningBOXBristol, Norfolk, Plymouth53 min
Jul 27, 6:51 PM EDTSpecial Marine WarningBOX39 min
Jul 27, 7:43 PM EDTSpecial Marine WarningBOX47 min

Nearby

Rip Current Statements in Massachusetts, 2023Rip Current Statements in Rhode Island, 2023Every rip current statement in 2023

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.