Alert archive / Massachusetts / Rip Current Statements in 2011
Rip Current Statement 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this rip current statement at Jul 9, 2011, 4:55 AM EDT for Dukes County, Nantucket County, Massachusetts. It took effect at Jul 9, 2011, 8:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 9, 2011, 4:55 AM EDT (08:55 UTC)
- In effect from
- Jul 9, 2011, 8:00 AM EDT
- Expired
- Jul 9, 2011, 8:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Boston/Norton, MA
Counties Dukes County, MA, Nantucket County, MA
The radar
The Boston radar (KBOX), 95 km from the middle of the area, began a volume at 08:58 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, 8.9 hours before the alert went out and 50 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
- 696 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 443 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
134 WHUS41 KBOX 090855 CFWBOX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 455 AM EDT SAT JUL 9 2011 MAZ023-024-091700- /O.NEW.KBOX.RP.S.0001.110709T1200Z-110710T0000Z/ DUKES MA-NANTUCKET MA- 455 AM EDT SAT JUL 9 2011 ...RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... * LOCATION...SOUTH-FACING BEACHES ON MARTHAS VINEYARD AND NANTUCKET * RIP CURRENT RISK...HIGH * SURF HEIGHT...4 TO 6 FEET * TIMING AND TIDES...HIGH TIDE WILL BE BETWEEN 7 AND 830 AM. LOW TIDE WILL BE BETWEEN 1245 AND 245 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS. RIP CURRENTS CAN BECOME LIFE THREATENING TO ANYONE WHO ENTERS THE SURF. PLEASE VISIT THE FOLLOWING WEBSITE /USE LOWERCASE LETTERS/ TO SHARE YOUR THOUGHTS ON THIS NEW RIP CURRENT HAZARD. HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM && $$
2 follow-up statements
033 WHUS41 KBOX 091608 CFWBOX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1208 PM EDT SAT JUL 9 2011 MAZ023-024-100000- /O.CON.KBOX.RP.S.0001.000000T0000Z-110710T0000Z/ DUKES MA-NANTUCKET MA- 1208 PM EDT SAT JUL 9 2011 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * LOCATION...SOUTH-FACING BEACHES ON MARTHAS VINEYARD AND NANTUCKET * RIP CURRENT RISK...HIGH * SURF HEIGHT...3 TO 5 FEET * TIMING AND TIDES...HIGH TIDE WILL BE BETWEEN 7 AND 830 AM. LOW TIDE WILL BE BETWEEN 1245 AND 245 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS. RIP CURRENTS CAN BECOME LIFE THREATENING TO ANYONE WHO ENTERS THE SURF. PLEASE VISIT THE FOLLOWING WEBSITE /USE LOWERCASE LETTERS/ TO SHARE YOUR THOUGHTS ON THIS NEW RIP CURRENT HAZARD. HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM && $$ RLG
516 WHUS41 KBOX 100002 CFWBOX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 802 PM EDT SAT JUL 9 2011 MAZ023-024-100115- /O.EXP.KBOX.RP.S.0001.000000T0000Z-110710T0000Z/ DUKES MA-NANTUCKET MA- 802 PM EDT SAT JUL 9 2011 ...RIP CURRENT RISK WILL EXPIRE AT 8 PM EDT THIS EVENING... THERE WILL STILL BE A MODERATE RISK OF RIP CURRENTS OVERNIGHT INTO SUNDAY ACROSS THE SOUTH-FACING BEACHES OF NANTUCKET AND MARTHAS VINEYARD. $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 8:35 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 5 hr |
| Jul 8, 11:57 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 40 hr |
Nearby
Rip Current Statements in Massachusetts, 2011Every rip current statement in 2011
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.