Alert archive / North Carolina / Rip Current Statements in 2020

Rip Current Statement 18, NWS Wilmington, NC

July 12, 2020Brunswick County, New Hanover County, Pender County, North Carolina; Horry County, South Carolina

NWS Wilmington, NC issued this rip current statement at Jul 12, 2020, 7:55 PM EDT for Brunswick County, New Hanover County, Pender County, North Carolina; Horry County, South Carolina. It took effect at Jul 13, 2020, 6:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 12, 2020, 7:55 PM EDT (23:55 UTC)
In effect from
Jul 13, 2020, 6:00 AM EDT
Expired
Jul 13, 2020, 8:00 PM EDT
In force
14 hr
Issued by
NWS Wilmington, NC

Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC, Horry County, SC

The radar

The Wilmington radar (KLTX), 26 km from the middle of the area, began a volume at 23:57 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

Newport, NC (KMHX), launched 12:00Z, 11.9 hours before the alert went out and 142 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, Newport, NC at 12:00Z on 2020-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 780 joules per kilogram.LCLLFCEL10008507005003002001001 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, Newport, NC at 12:00Z on 2020-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
780 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

As transmitted.

169 
WHUS42 KILM 122355
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
755 PM EDT Sun Jul 12 2020

NCZ106-108-110-131100-
/O.CAN.KILM.RP.S.0017.000000T0000Z-200713T0000Z/
/O.NEW.KILM.RP.S.0018.200713T1000Z-200714T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
755 PM EDT Sun Jul 12 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 6 AM EDT MONDAY THROUGH
MONDAY EVENING...
...HIGH RIP CURRENT RISK IS CANCELLED...

* WHAT...Dangerous rip currents expected.

* WHERE...Coastal Pender, Coastal New Hanover and Coastal 
  Brunswick Counties.

* WHEN...From 6 AM EDT Monday through Monday 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.

&&

$$

SCZ054-131100-
/O.NEW.KILM.RP.S.0018.200713T1000Z-200714T0000Z/
Coastal Horry-
755 PM EDT Sun Jul 12 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 6 AM EDT MONDAY THROUGH
MONDAY EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Coastal Horry County.

* WHEN...From 6 AM EDT Monday through Monday 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.

&&

$$
2 follow-up statements
639 
WHUS42 KILM 131039
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
639 AM EDT Mon Jul 13 2020

NCZ106-108-110-SCZ054-140000-
/O.CON.KILM.RP.S.0018.000000T0000Z-200714T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
Coastal Horry-
639 AM EDT Mon Jul 13 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Coastal Horry County.

* WHEN...From 6 AM EDT Monday through Monday 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.

&&

$$

43
752 
WHUS42 KILM 140013
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
813 PM EDT Mon Jul 13 2020

NCZ106-108-110-SCZ054-140115-
/O.EXP.KILM.RP.S.0018.000000T0000Z-200714T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
Coastal Horry-
813 PM EDT Mon Jul 13 2020

...HIGH RIP CURRENT RISK HAS EXPIRED...

Lingering SSE swell Tuesday, will result in moderately strong rip
currents.

$$

8

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 5:01 AM EDTRip Current StatementILMBrunswick, New Hanover, Pender15 hr

Nearby

Rip Current Statements in North Carolina, 2020Rip Current Statements in South Carolina, 2020Every rip current statement in 2020

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.