Alert archive / Massachusetts / Rip Current Statements in 2021
Rip Current Statement 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this rip current statement at Sep 17, 2021, 3:13 PM EDT for 5 counties in Massachusetts. It took effect at Sep 18, 2021, 6:00 AM EDT. It was in force for 38 hr.
The area
The counties it named.
The facts
- Issued
- Sep 17, 2021, 3:13 PM EDT (19:13 UTC)
- In effect from
- Sep 18, 2021, 6:00 AM EDT
- Expired
- Sep 19, 2021, 8:00 PM EDT
- In force
- 38 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 19:14 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, 7.2 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
481 WHUS41 KBOX 171913 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 313 PM EDT Fri Sep 17 2021 MAZ022-024-181000- /O.NEW.KBOX.RP.S.0007.210918T1000Z-210918T2200Z/ Barnstable MA-Nantucket MA- 313 PM EDT Fri Sep 17 2021 ...HIGH RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON FOR CAPE COD AND NANTUCKET... * WHAT...Dangerous rip currents expected. * WHERE...East and South facing beaches on Cape Cod and Nantucket. * WHEN...From Saturday morning through Saturday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ Nash
4 follow-up statements
327 WHUS41 KBOX 180726 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 326 AM EDT Sat Sep 18 2021 MAZ022-024-182030- /O.CON.KBOX.RP.S.0007.210918T1000Z-210918T2200Z/ Barnstable MA-Nantucket MA- 326 AM EDT Sat Sep 18 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS AFTERNOON... * WHAT...Dangerous rip currents expected. * WHERE...East and South facing ocean beaches on Cape Cod and Nantucket. * WHEN...From Saturday morning through Saturday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Unfortunately most if not all beaches are unguarded this time of year. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ Nocera
389 WHUS41 KBOX 181907 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 307 PM EDT Sat Sep 18 2021 MAZ007-019-190815- /O.EXB.KBOX.RP.S.0007.000000T0000Z-210920T0000Z/ Eastern Essex MA-Eastern Plymouth MA- 307 PM EDT Sat Sep 18 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Eastern Essex MA and Eastern Plymouth MA Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Unfortunately most if not all beaches are unguarded this time of year. 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. && $$ MAZ022-024-190815- /O.EXT.KBOX.RP.S.0007.000000T0000Z-210920T0000Z/ Barnstable MA-Nantucket MA- 307 PM EDT Sat Sep 18 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents expected. * WHERE...East and South facing ocean beaches on Cape Cod and Nantucket. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Unfortunately most if not all beaches are unguarded this time of year. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
660 WHUS41 KBOX 190718 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 318 AM EDT Sun Sep 19 2021 MAZ007-019-022-024-192030- /O.CON.KBOX.RP.S.0007.000000T0000Z-210920T0000Z/ Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA- 318 AM EDT Sun Sep 19 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Southeast facing ocean beaches of eastern Essex MA and eastern Plymouth MA Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Unfortunately most if not all beaches are unguarded this time of year. 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. && $$ Nocera
768 WHUS41 KBOX 191939 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 339 PM EDT Sun Sep 19 2021 MAZ007-019-022-024-200000- /O.CON.KBOX.RP.S.0007.000000T0000Z-210920T0000Z/ Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA- 339 PM EDT Sun Sep 19 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Southeast facing ocean beaches of eastern Essex MA and eastern Plymouth MA Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Unfortunately most if not all beaches are unguarded this time of year. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
Nearby
Rip Current Statements in Massachusetts, 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.