Alert archive / Massachusetts / Rip Current Statements in 2019

Rip Current Statement 2, NWS Boston/Norton, MA

August 27, 20195 counties in Massachusetts

NWS Boston/Norton, MA issued this rip current statement at Aug 27, 2019, 2:55 AM EDT for 5 counties in Massachusetts. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 2019, 2:55 AM EDT (06:55 UTC)
Expired
Aug 27, 2019, 6:00 PM EDT
In force
15 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 06:55 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

Chatham, MA (KCHH), launched 00:00Z, 6.9 hours before the alert went out and 62 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, Chatham, MA at 00:00Z on 2019-08-27Temperature 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, Chatham, MA at 00:00Z on 2019-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939587897Sfc1 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
911 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

281 
WHUS41 KBOX 270655
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
255 AM EDT Tue Aug 27 2019

MAZ007-019-022-024-271500-
/O.NEW.KBOX.RP.S.0002.190827T0655Z-190827T2200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
255 AM EDT Tue Aug 27 2019

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

The National Weather Service in Taunton has issued a High Rip
Current Risk, which is in effect through this afternoon. 

* TIMING...Through early this evening.

* IMPACTS...There is a high risk for dangerous rip currents today
  along many eastern Massachusetts ocean-exposed beaches 
  including Cape Cod and Nantucket. For those going to the beach, 
  heed the advice of local lifeguards when considering going into 
  the water. When in doubt of your abilities to swim in these 
  rough conditions, do not go out. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

If you become caught in a rip current, yell for help. Remain
calm, do not exhaust yourself and stay afloat while waiting for
help. If you have to swim out of a rip current, swim parallel to
shore and back toward the beach when possible. Do not attempt to
swim directly against a rip current as you will tire quickly.

&&

$$

Frank
1 follow-up statement
614 
WHUS41 KBOX 271515
CFWBOX

Coastal Hazard Message
National Weather Service Boston/Norton MA
1115 AM EDT Tue Aug 27 2019


MAZ007-019-022-024-272200-
/O.CON.KBOX.RP.S.0002.000000T0000Z-190827T2200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
1115 AM EDT Tue Aug 27 2019

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* TIMING...Through early this evening.

* IMPACTS...There is a high risk for dangerous rip currents 
  today along many eastern Massachusetts ocean-exposed beaches 
  including Cape Cod and Nantucket. For those going to the 
  beach, heed the advice of local lifeguards when considering 
  going into the water. When in doubt of your abilities to swim 
  in these rough conditions, do not go out. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

If you become caught in a rip current, yell for help. Remain
calm, do not exhaust yourself and stay afloat while waiting for
help. If you have to swim out of a rip current, swim parallel to
shore and back toward the beach when possible. Do not attempt to
swim directly against a rip current as you will tire quickly.

&&

$$

Nearby

Rip Current Statements in Massachusetts, 2019Every rip current statement in 2019

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.