Alert archive / Massachusetts / Rip Current Statements in 2021
Rip Current Statement 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this rip current statement at Sep 23, 2021, 9:28 AM EDT for 8 counties in Massachusetts; Newport County, Washington County, Rhode Island. It was in force for 35 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2021, 9:28 AM EDT (13:28 UTC)
- Expired
- Sep 24, 2021, 8:00 PM EDT
- In force
- 35 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Newport County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 26 km from the middle of the area, began a volume at 13:27 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 12:00Z, 1.5 hours before the alert went out and 196 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.
- Mixed-layer CAPE
- 103 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted.
068 WHUS41 KBOX 231328 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 928 AM EDT Thu Sep 23 2021 MAZ020-023-024-RIZ006>008-240000- /O.NEW.KBOX.RP.S.0008.210923T1328Z-210924T0000Z/ Southern Bristol MA-Dukes MA-Nantucket MA-Washington RI- Newport RI-Block Island RI- 928 AM EDT Thu Sep 23 2021 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...In Massachusetts, Southern Bristol MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Washington RI, Newport RI and Block Island 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. && $$
3 follow-up statements
167 WHUS41 KBOX 231914 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 314 PM EDT Thu Sep 23 2021 MAZ007-015-016-019-021-022-240815- /O.EXB.KBOX.RP.S.0008.000000T0000Z-210925T0000Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA-Southern Plymouth MA-Barnstable MA- 314 PM EDT Thu Sep 23 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH FRIDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Southern Plymouth MA and Barnstable MA Counties. * WHEN...Through Friday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ MAZ020-023-024-RIZ006>008-240815- /O.EXT.KBOX.RP.S.0008.000000T0000Z-210925T0000Z/ Southern Bristol MA-Dukes MA-Nantucket MA-Washington RI- Newport RI-Block Island RI- 314 PM EDT Thu Sep 23 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH FRIDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...In Massachusetts, Southern Bristol MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Washington RI, Newport RI and Block Island RI Counties. * WHEN...Through Friday 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. && $$
332 WHUS41 KBOX 240812 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 412 AM EDT Fri Sep 24 2021 MAZ015-016-019-021-240915- /O.CAN.KBOX.RP.S.0008.000000T0000Z-210925T0000Z/ Suffolk MA-Eastern Norfolk MA-Eastern Plymouth MA- Southern Plymouth MA- 412 AM EDT Fri Sep 24 2021 ...HIGH RIP CURRENT RISK IS CANCELLED... Southerly winds will limit the development of rip currents along east-facing and sheltered portions of the coastline. $$ MAZ007-020-022>024-RIZ006>008-242115- /O.CON.KBOX.RP.S.0008.000000T0000Z-210925T0000Z/ Eastern Essex MA-Southern Bristol MA-Barnstable MA-Dukes MA- Nantucket MA-Washington RI-Newport RI-Block Island RI- 412 AM EDT Fri Sep 24 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...In Massachusetts, Southern Bristol MA, Eastern Essex MA, Barnstable MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI, Washington RI 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. && $$
283 WHUS41 KBOX 242354 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 754 PM EDT Fri Sep 24 2021 MAZ007-020-022>024-RIZ006>008-250100- /O.EXP.KBOX.RP.S.0008.000000T0000Z-210925T0000Z/ Eastern Essex MA-Southern Bristol MA-Barnstable MA-Dukes MA- Nantucket MA-Washington RI-Newport RI-Block Island RI- 754 PM EDT Fri Sep 24 2021 ...HIGH RIP CURRENT RISK WILL EXPIRE AT 8 PM EDT THIS EVENING... Seas gradually subsiding will allow for the risk for the widespread high rip current risk to diminish as well. $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 9:31 AM EDT | Small Craft Advisory | BOX | 30 hr | |
| Sep 23, 2:48 PM EDT | Flash Flood Watch | BOX | Franklin, Hampden, Hampshire | 19 hr |
Nearby
Rip Current Statements in Massachusetts, 2021Rip Current Statements in Rhode Island, 2021Every rip current statement in 2021
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.