Alert archive / Massachusetts / Rip Current Statements in 2024

Rip Current Statement 11, NWS Boston/Norton, MA

September 24, 20245 counties in Massachusetts

NWS Boston/Norton, MA issued this rip current statement at Sep 24, 2024, 2:58 PM EDT for 5 counties in Massachusetts. It took effect at Sep 25, 2024, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 24, 2024, 2:58 PM EDT (18:58 UTC)
In effect from
Sep 25, 2024, 8:00 AM EDT
Expired
Sep 25, 2024, 8:00 PM EDT
In force
12 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA

The radar

The Boston radar (KBOX), 43 km from the middle of the area, began a volume at 19:00 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

Gray, ME (KGYX), launched 12:00Z, 7.0 hours before the alert went out and 218 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, Gray, ME at 12:00Z on 2024-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Gray, ME at 12:00Z on 2024-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

520 
WHUS41 KBOX 241858
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
258 PM EDT Tue Sep 24 2024

MAZ007-019-022-024-250800-
/O.NEW.KBOX.RP.S.0011.240925T1200Z-240926T0000Z/
/O.CON.KBOX.RP.S.0010.000000T0000Z-240925T0000Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
258 PM EDT Tue Sep 24 2024

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

* WHAT...For the first High Rip Current Risk, dangerous rip 
  currents. For the second High Rip Current Risk, dangerous rip 
  currents expected.

* WHERE...Eastern Essex MA, Eastern Plymouth MA, Barnstable MA 
  and Nantucket MA Counties.

* WHEN...For the first High Rip Current Risk, until 8 PM EDT 
  this evening. For the second High Rip Current Risk, from 
  Wednesday morning through Wednesday 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.

&&

$$

MAZ020-023-RIZ006>008-250000-
/O.CON.KBOX.RP.S.0010.000000T0000Z-240925T0000Z/
Southern Bristol MA-Dukes MA-Washington RI-Newport RI-
Block Island RI-
258 PM EDT Tue Sep 24 2024

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 8 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.

&&

$$
3 follow-up statements
069 
WHUS41 KBOX 250007
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
807 PM EDT Tue Sep 24 2024

MAZ007-019-022-024-251315-
/O.EXP.KBOX.RP.S.0010.000000T0000Z-240925T0000Z/
/O.CON.KBOX.RP.S.0011.240925T1200Z-240926T0000Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
807 PM EDT Tue Sep 24 2024

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

* WHAT...Dangerous rip currents expected.

* WHERE...Eastern Essex MA, Eastern Plymouth MA, Barnstable MA 
  and Nantucket MA Counties.

* WHEN...From 8 AM EDT Wednesday through Wednesday 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.

&&

$$

MAZ020-023-RIZ006>008-250115-
/O.EXP.KBOX.RP.S.0010.000000T0000Z-240925T0000Z/
Southern Bristol MA-Dukes MA-Washington RI-Newport RI-
Block Island RI-
807 PM EDT Tue Sep 24 2024

...HIGH RIP CURRENT RISK HAS EXPIRED...

$$

Frank
307 
WHUS41 KBOX 250739
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
339 AM EDT Wed Sep 25 2024

MAZ007-019-022-024-252045-
/O.CON.KBOX.RP.S.0011.240925T1200Z-240926T0000Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
339 AM EDT Wed Sep 25 2024

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

* WHAT...Dangerous rip currents expected.

* WHERE...Eastern Essex MA, Eastern Plymouth MA, Barnstable MA 
  and Nantucket MA 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.

&&

$$
704 
WHUS41 KBOX 260025
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
825 PM EDT Wed Sep 25 2024

MAZ007-019-022-024-260130-
/O.EXP.KBOX.RP.S.0011.000000T0000Z-240926T0000Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
825 PM EDT Wed Sep 25 2024

...HIGH RIP CURRENT RISK HAS EXPIRED...

$$

Nearby

Rip Current Statements in Massachusetts, 2024Every rip current statement in 2024

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.