Alert archive / Massachusetts / Rip Current Statements in 2022

Rip Current Statement 6, NWS Boston/Norton, MA

July 22, 2022Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island

NWS Boston/Norton, MA issued this rip current statement at Jul 22, 2022, 3:22 AM EDT for Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island. It took effect at Jul 22, 2022, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jul 22, 2022, 3:22 AM EDT (07:22 UTC)
In effect from
Jul 22, 2022, 8:00 AM EDT
Expired
Jul 22, 2022, 8:00 PM EDT
In force
12 hr
Issued by
NWS Boston/Norton, MA

Counties Dukes County, MA, Nantucket County, MA, Washington County, RI

The radar

The Boston radar (KBOX), 73 km from the middle of the area, began a volume at 07:21 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 00:00Z, 7.4 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 00:00Z on 2022-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 00:00Z on 2022-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 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
1009 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1180 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.1

Open this sounding in Storm Lab

The text

As transmitted.

145 
WHUS41 KBOX 220722
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
322 AM EDT Fri Jul 22 2022

MAZ023-024-RIZ008-230000-
/O.NEW.KBOX.RP.S.0006.220722T1200Z-220723T0000Z/
Dukes MA-Nantucket MA-Block Island RI-
322 AM EDT Fri Jul 22 2022

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

* WHAT...Dangerous rip currents expected.

* WHERE...In Massachusetts, Dukes MA and Nantucket MA Counties. 
  In Rhode Island, Block Island RI County.

* WHEN...From 8 AM EDT this morning until 8 PM 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
Jul 21, 8:31 PM EDTSpecial Weather StatementBOXWorcester59 min
Jul 22, 3:29 AM EDTHeat AdvisoryBOXBarnstable, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more4 days

Nearby

Rip Current Statements in Massachusetts, 2022Rip Current Statements in Rhode Island, 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.