Alert archive / Massachusetts / Rip Current Statements in 2019
Rip Current Statement 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this rip current statement at Sep 21, 2019, 3:42 AM EDT for Barnstable County, Nantucket County, Massachusetts. It took effect at Sep 21, 2019, 6:00 AM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2019, 3:42 AM EDT (07:42 UTC)
- In effect from
- Sep 21, 2019, 6:00 AM EDT
- Expired
- Sep 21, 2019, 8:00 PM EDT
- In force
- 14 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Nantucket County, MA
The radar
The Boston radar (KBOX), 98 km from the middle of the area, began a volume at 07:43 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 00:00Z, 7.7 hours before the alert went out and 237 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
- 1990 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
639 WHUS41 KBOX 210742 CFWBOX Coastal Hazard Message National Weather Service Taunton MA 342 AM EDT Sat Sep 21 2019 MAZ022-024-212200- /O.NEW.KBOX.RP.S.0005.190921T1000Z-190921T2200Z/ Barnstable MA-Nantucket MA- 342 AM EDT Sat Sep 21 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. * LOCATIONS...Barnstable MA and Nantucket MA. * TIMING...Through this afternoon. * SURF ZONE IMPACTS...Very strong rip currents will be dangerous to anyone who enters the surf. 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. && $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
3 follow-up statements
454 WHUS41 KBOX 211454 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 1054 AM EDT Sat Sep 21 2019 MAZ022-024-212200- /O.CON.KBOX.RP.S.0005.000000T0000Z-190921T2200Z/ Barnstable MA-Nantucket MA- 1054 AM EDT Sat Sep 21 2019 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... * LOCATIONS...Cape Cod and Nantucket MA. * TIMING...Until 6 PM EDT this evening. * SURF ZONE IMPACTS...Rough surf and strong rip currents may be dangerous to anyone who enters the surf. PRECAUTIONARY/PREPAREDNESS ACTIONS... There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as groins, jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. If you become caught in a rip current, yell for help. Remain calm, do not exhaust yourself and stay afloat while waiting for help. If you have to swim out of a rip current, swim parallel to shore and back toward the beach when possible. Do not attempt to swim directly against a rip current as you will tire quickly. && $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
649 WHUS41 KBOX 211953 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 353 PM EDT Sat Sep 21 2019 MAZ022-024-220000- /O.EXT.KBOX.RP.S.0005.000000T0000Z-190922T0000Z/ Barnstable MA-Nantucket MA- 353 PM EDT Sat Sep 21 2019 ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... * LOCATIONS...Cape Cod MA and Nantucket MA. * TIMING...Until 8 PM EDT this evening. * SURF ZONE IMPACTS...Strong rip currents and rough surf will be dangerous to anyone who enters the surf. 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. && $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
202 WHUS41 KBOX 220007 CFWBOX Coastal Hazard Message National Weather Service Taunton MA 807 PM EDT Sat Sep 21 2019 MAZ022-024-220115- /O.EXP.KBOX.RP.S.0005.000000T0000Z-190922T0000Z/ Barnstable MA-Nantucket MA- 807 PM EDT Sat Sep 21 2019 ...HIGH RIP CURRENT RISK HAS EXPIRED... Swell from distant Hurricane Humberto will continue to diminish overnight. This will reduce the threat of dangerous rip currents. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:08 AM EDT | Small Craft Advisory | BOX | 7 hr |
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.