Alert archive / Massachusetts / Rip Current Statements in 2023

Rip Current Statement 8, NWS Boston/Norton, MA

September 19, 20234 counties in Massachusetts; Newport County, Washington County, Rhode Island

NWS Boston/Norton, MA issued this rip current statement at Sep 19, 2023, 5:16 AM EDT for 4 counties in Massachusetts; Newport County, Washington County, Rhode Island. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2023, 5:16 AM EDT (09:16 UTC)
Expired
Sep 19, 2023, 7:00 PM EDT
In force
14 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 09:17 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 00:00Z, 9.3 hours before the alert went out and 184 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 00:00Z on 2023-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 00:00Z on 2023-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -80 square meters per square second.1939587897117Sfc1 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
6 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-80 m²/s²
0-3 km storm-relative helicity
-42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

397 
WHUS41 KBOX 190916
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
516 AM EDT Tue Sep 19 2023

MAZ020-022>024-RIZ006>008-192230-
/O.NEW.KBOX.RP.S.0008.230919T0916Z-230919T2300Z/
Southern Bristol MA-Barnstable MA-Dukes MA-Nantucket MA-
Washington RI-Newport RI-Block Island RI-
516 AM EDT Tue Sep 19 2023

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...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.

&&

$$
1 follow-up statement
242 
WHUS41 KBOX 192000
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
400 PM EDT Tue Sep 19 2023

MAZ020-022>024-RIZ006>008-192300-
/O.CON.KBOX.RP.S.0008.000000T0000Z-230919T2300Z/
Southern Bristol MA-Barnstable MA-Dukes MA-Nantucket MA-
Washington RI-Newport RI-Block Island RI-
400 PM EDT Tue Sep 19 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 7 PM EDT 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 8:09 PM EDTSpecial Weather StatementBOXEssex, Suffolk66 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.