Alert archive / Massachusetts / Rip Current Statements in 2022

Rip Current Statement 5, NWS Boston/Norton, MA

July 19, 2022Dukes County, Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this rip current statement at Jul 19, 2022, 6:48 PM EDT for Dukes County, Nantucket County, Massachusetts. It took effect at Jul 20, 2022, 8:00 AM EDT. It was in force for 22 min.

The area

The counties it named.

The facts

Issued
Jul 19, 2022, 6:48 PM EDT (22:48 UTC)
In effect from
Jul 20, 2022, 8:00 AM EDT
Expired
Jul 20, 2022, 8:22 AM EDT
In force
22 min
Issued by
NWS Boston/Norton, MA

Counties Dukes County, MA, Nantucket County, MA

The radar

The Boston radar (KBOX), 95 km from the middle of the area, began a volume at 22:49 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, 10.8 hours before the alert went out and 285 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 2022-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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, Gray, ME at 12:00Z on 2022-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
23 J/kg
Mixed-layer CIN
-389 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

892 
WHUS41 KBOX 192248
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
648 PM EDT Tue Jul 19 2022

MAZ023-024-201200-
/O.CAN.KBOX.RP.S.0004.000000T0000Z-220720T0000Z/
/O.NEW.KBOX.RP.S.0005.220720T1200Z-220721T0000Z/
Dukes MA-Nantucket MA-
648 PM EDT Tue Jul 19 2022

...HIGH RIP CURRENT RISK IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
...HIGH RIP CURRENT RISK IS CANCELLED...

* WHAT...Dangerous rip currents expected.

* WHERE...Dukes MA and Nantucket MA Counties.

* WHEN...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.

&&

$$

RIZ008-200000-
/O.CAN.KBOX.RP.S.0004.000000T0000Z-220720T0000Z/
Block Island RI-
648 PM EDT Tue Jul 19 2022

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

The High Rip Current Risk has ended for today. A new high rip 
risk has been issued from 8 AM to 8 PM Wednesday 
for Nantucket and Martha's Vineyard.

$$
1 follow-up statement
078 
WHUS41 KBOX 201222
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
822 AM EDT Wed Jul 20 2022

MAZ023-024-201330-
/O.CAN.KBOX.RP.S.0005.000000T0000Z-220721T0000Z/
Dukes MA-Nantucket MA-
822 AM EDT Wed Jul 20 2022

...HIGH RIP CURRENT RISK IS DOWNGRADED TO MODERATE RISK...

The high risk for rip currents has been downgraded to a 
moderate risk. Swimmers still should be very vigilant.

There remains a moderate risk for rip currents along the south 
coast through this evening.  This includes Block Island, Newport 
County, Martha's Vineyard, and Nantucket.

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.

$$
Field

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 3:36 AM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more64 hr

Nearby

Rip Current Statements in Massachusetts, 2022Every rip current statement in 2022

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.