Alert archive / South Carolina / Rip Current Statements in 2015

Rip Current Statement 7, NWS Wilmington, NC

July 30, 2015Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this rip current statement at Jul 30, 2015, 12:47 PM EDT for Georgetown County, Horry County, South Carolina. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2015, 12:47 PM EDT (16:47 UTC)
Expired
Jul 30, 2015, 8:00 PM EDT
In force
7 hr
Issued by
NWS Wilmington, NC

Counties Georgetown County, SC, Horry County, SC

The radar

The Wilmington radar (KLTX), 75 km from the middle of the area, began a volume at 16:49 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.8 hours before the alert went out and 116 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, Charleston AFB, SC at 12:00Z on 2015-07-30Temperature 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, Charleston AFB, SC at 12:00Z on 2015-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
1403 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

743 
WHUS42 KILM 301647
CFWILM

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
1247 PM EDT THU JUL 30 2015

SCZ054-056-310000-
/O.NEW.KILM.RP.S.0007.150730T1647Z-150731T0000Z/
COASTAL HORRY-COASTAL GEORGETOWN-
1247 PM EDT THU JUL 30 2015

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

* LOCATION...ALL BEACHES OF HORRY AND GEORGETOWN COUNTIES...
  INCLUDING MYRTLE BEACH.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...2 FEET.

* TIMING AND TIDES...LOW TIDE WILL OCCUR AROUND 1 PM...AND THE
  HIGHEST RISK OF RIP CURRENTS TYPICALLY OCCURS 2 HOURS EITHER
  SIDE OF LOW TIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

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. 

&&

$$

TRA
1 follow-up statement
880 
WHUS42 KILM 301926
CFWILM

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
326 PM EDT THU JUL 30 2015

NCZ107-310300-
/O.NEW.KILM.CF.Y.0025.150731T0000Z-150731T0300Z/
INLAND NEW HANOVER-
326 PM EDT THU JUL 30 2015

...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM TO 11 PM EDT THIS
EVENING ALONG THE LOWER CAPE FEAR RIVER...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 8 PM TO 11 PM EDT THIS
EVENING.

* LOCATION...THE LOWER CAPE FEAR RIVER INCLUDING DOWNTOWN
  WILMINGTON.

* COASTAL FLOODING...WATER LEVELS ON THE CAPE FEAR RIVER GAUGE AT
  DOWNTOWN WILMINGTON SHOULD REACH 5.8 FEET MLLW THIS EVENING.

* TIMING...HIGH TIDE WILL OCCUR JUST BEFORE 10 PM.

* IMPACTS...PORTIONS OF BATTLESHIP ROAD WILL BE COVERED BY WATER
  ABOUT 3 INCHES DEEP. THE WESTBOUND LANE OF U.S.S. NORTH CAROLINA
  ROAD WILL BE COVERED BY UP TO SIX INCHES OF WATER. A SMALL
  PORTION OF WATER STREET WILL BE COVERED BY ABOUT THREE INCHES OF
  WATER JUST SOUTH OF THE MARKET STREET INTERSECTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL
COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

SCZ054-056-310000-
/O.CON.KILM.RP.S.0007.000000T0000Z-150731T0000Z/
COASTAL HORRY-COASTAL GEORGETOWN-
326 PM EDT THU JUL 30 2015

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* LOCATION...ALL BEACHES OF HORRY AND GEORGETOWN COUNTIES... 
  INCLUDING MYRTLE BEACH.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...2 FEET.

* TIMING AND TIDES...LOW TIDE WILL OCCUR AROUND 1 PM...AND THE 
  HIGHEST RISK OF RIP CURRENTS TYPICALLY OCCURS 2 HOURS EITHER SIDE 
  OF LOW TIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

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.

&&

$$

9

Nearby

Rip Current Statements in South Carolina, 2015Every rip current statement in 2015

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.