Alert archive / North Carolina / Beach Hazards Statements in 2020

Beach Hazards Statement 29, NWS Wilmington, NC

July 31, 2020Brunswick County, New Hanover County, Pender County, North Carolina; Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this beach hazards statement at Jul 31, 2020, 7:50 PM EDT for Brunswick County, New Hanover County, Pender County, North Carolina; Georgetown County, Horry County, South Carolina. It took effect at Aug 1, 2020, 6:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 31, 2020, 7:50 PM EDT (23:50 UTC)
In effect from
Aug 1, 2020, 6:00 AM EDT
Expired
Aug 1, 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, Georgetown County, SC, Horry County, SC

The radar

The Wilmington radar (KLTX), 3 km from the middle of the area, began a volume at 23:51 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, 11.8 hours before the alert went out and 168 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 2020-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1168 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 2020-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1168 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

966 
WHUS42 KILM 312350
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
750 PM EDT Fri Jul 31 2020

NCZ106-108-110-011100-
/O.CAN.KILM.BH.S.0028.000000T0000Z-200801T0000Z/
/O.CAN.KILM.RP.S.0019.000000T0000Z-200801T0000Z/
/O.NEW.KILM.BH.S.0029.200801T1000Z-200802T0000Z/
/O.NEW.KILM.RP.S.0020.200801T1000Z-200802T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
750 PM EDT Fri Jul 31 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM 6 AM EDT SATURDAY
THROUGH SATURDAY EVENING...
...HIGH RIP CURRENT RISK IN EFFECT FROM 6 AM EDT SATURDAY THROUGH
SATURDAY EVENING...


* WHAT...For the Beach Hazards Statement, strong south to north
  long shore current expected. For the High Rip Current Risk, 
  dangerous rip currents expected.

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

* WHEN...From 6 AM EDT Saturday through Saturday evening.

* IMPACTS...There is a high risk of rip currents. Life threatening
  rip currents are likely in the surf zone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. 
Remain out of the water to avoid hazardous swimming conditions.

&&

$$

SCZ054-056-011100-
/O.CAN.KILM.BH.S.0028.000000T0000Z-200801T0000Z/
/O.NEW.KILM.BH.S.0029.200801T1000Z-200802T0000Z/
/O.NEW.KILM.RP.S.0020.200801T1000Z-200802T0000Z/
Coastal Horry-Coastal Georgetown-
750 PM EDT Fri Jul 31 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM 6 AM EDT SATURDAY
THROUGH SATURDAY EVENING...
...HIGH RIP CURRENT RISK IN EFFECT FROM 6 AM EDT SATURDAY THROUGH
SATURDAY EVENING...

* WHAT...For the Beach Hazards Statement, strong south to north
  long shore current expected. For the High Rip Current Risk, 
  dangerous rip currents expected.

* WHERE...Coastal Horry and Coastal Georgetown Counties.

* WHEN...From 6 AM EDT Saturday through Saturday evening.

* IMPACTS...There is a high risk of rip currents. Life threatening
  rip currents are likely in the surf zone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. 
Remain out of the water to avoid hazardous swimming conditions.

&&

$$
3 follow-up statements
527 
WHUS42 KILM 010733
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
333 AM EDT Sat Aug 1 2020

NCZ107-012000-
/O.NEW.KILM.CF.Y.0061.200802T0000Z-200802T0300Z/
Inland New Hanover-
333 AM EDT Sat Aug 1 2020

...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM TO 11 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level 
  expected in low-lying areas near shorelines and tidal 
  waterways.

* WHERE...The lower Cape Fear River including downtown 
  Wilmington.

* WHEN...From 8 PM to 11 PM EDT this evening.

* IMPACTS...The lowest parts of USS North Carolina Road and low
  spots of Battleship Road begin to flood. Water begins to spread
  out of the storm drains onto Water Street just south of Market
  Street in downtown Wilmington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

Time of high total tides are approximate to the nearest hour.

Cape Fear River at Wilmington - Flood Stage 5.5 FT
MLLW Categories - Minor 5.5 ft, Moderate 6.7 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.0 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 01/08 AM     4.7        0.0        0.6        1       None    
 01/09 PM     5.6        0.9        0.6        1      Minor    
 02/09 AM     4.7        0.0        0.6        1       None    
 02/10 PM     5.7        1.0        0.7        1      Minor    
 03/10 AM     4.8        0.1        0.7        1       None    
 03/11 PM     5.6        0.9        0.7        1      Minor

&&

$$

NCZ106-108-110-SCZ054-056-012000-
/O.CON.KILM.BH.S.0029.200801T1000Z-200802T0000Z/
/O.CON.KILM.RP.S.0020.200801T1000Z-200802T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
Coastal Horry-Coastal Georgetown-
333 AM EDT Sat Aug 1 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...For the Beach Hazards Statement, strong south to north
  longshore current expected. For the High Rip Current Risk, 
  dangerous rip currents expected.

* WHERE...In South Carolina, Coastal Horry and Coastal 
  Georgetown Counties. In North Carolina, Coastal Pender, 
  Coastal New Hanover and Coastal Brunswick Counties.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water. Longshore currents can sweep
  swimmers and surfer into rip currents, piers, jetties, and other
  hazardous areas.

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.

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
631 
WHUS42 KILM 011956
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
356 PM EDT Sat Aug 1 2020

NCZ107-020000-
/O.CON.KILM.CF.Y.0061.200802T0000Z-200802T0300Z/
Inland New Hanover-
356 PM EDT Sat Aug 1 2020

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM TO 11 PM
EDT THIS EVENING...

* WHAT...Up to one half foot of inundation above ground level 
  expected in low-lying areas near shorelines and tidal 
  waterways.

* WHERE...The lower Cape Fear River including downtown 
  Wilmington.

* WHEN...From 8 PM to 11 PM EDT this evening.

* IMPACTS...The lowest parts of USS North Carolina Road and low 
  spots of Battleship Road begin to flood. Water begins to 
  spread out of the storm drains onto Water Street just south of 
  Market Street in downtown Wilmington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

Time of high total tides are approximate to the nearest hour.

Cape Fear River at Wilmington - Flood Stage 5.5 FT
MLLW Categories - Minor 5.5 ft, Moderate 6.7 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.0 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 01/09 PM     5.7        1.0        0.7        1      Minor    
 02/09 AM     4.8        0.1        0.7        1       None    
 02/10 PM     5.8        1.1        0.8        1      Minor    
 03/10 AM     4.9        0.2        0.8        1       None    
 03/11 PM     5.8        1.1        0.9        1      Minor    
 04/11 AM     4.9        0.2        0.8        1       None

&&

$$

NCZ106-108-110-SCZ054-056-020000-
/O.CON.KILM.BH.S.0029.000000T0000Z-200802T0000Z/
/O.CON.KILM.RP.S.0020.000000T0000Z-200802T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
Coastal Horry-Coastal Georgetown-
356 PM EDT Sat Aug 1 2020

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

* WHAT...For the Beach Hazards Statement, strong south to north 
  longshore current expected. For the High Rip Current Risk, 
  dangerous rip currents expected.

* WHERE...In South Carolina, Coastal Horry and Coastal 
  Georgetown Counties. In North Carolina, Coastal Pender, 
  Coastal New Hanover and Coastal Brunswick Counties.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water. Longshore currents can sweep 
  swimmers and surfer into rip currents, piers, jetties, and 
  other hazardous areas.

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.

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

19
007 
WHUS42 KILM 012345
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
745 PM EDT Sat Aug 1 2020

NCZ106-108-110-SCZ054-056-020300-
/O.EXP.KILM.BH.S.0029.000000T0000Z-200802T0000Z/
/O.EXT.KILM.RP.S.0020.000000T0000Z-200803T0000Z/
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
Coastal Horry-Coastal Georgetown-
745 PM EDT Sat Aug 1 2020

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY EVENING...
...BEACH HAZARDS STATEMENT WILL EXPIRE AT 8 PM EDT THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...In South Carolina, Coastal Horry and Coastal 
  Georgetown Counties. In North Carolina, Coastal Pender, 
  Coastal New Hanover and Coastal Brunswick Counties.

* WHEN...Through Sunday 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.

&&

$$

NCZ107-020300-
/O.CON.KILM.CF.Y.0061.200802T0000Z-200802T0300Z/
Inland New Hanover-
745 PM EDT Sat Aug 1 2020

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level 
  expected in low-lying areas near shorelines and tidal 
  waterways.

* WHERE...The lower Cape Fear River including downtown 
  Wilmington.

* WHEN...Until 11 PM EDT this evening.

* IMPACTS...The lowest parts of USS North Carolina Road and low 
  spots of Battleship Road begin to flood. Water begins to 
  spread out of the storm drains onto Water Street just south of 
  Market Street in downtown Wilmington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

Time of high total tides are approximate to the nearest hour.

Cape Fear River at Wilmington - Flood Stage 5.5 FT
MLLW Categories - Minor 5.5 ft, Moderate 6.7 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.0 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 01/09 PM     5.7        1.0        0.7        1      Minor    
 02/09 AM     4.8        0.1        0.7        1       None    
 02/10 PM     5.8        1.1        0.8        1      Minor    
 03/10 AM     4.9        0.2        0.8        1       None    
 03/11 PM     5.8        1.1        0.9        1      Minor    
 04/11 AM     4.9        0.2        0.8        1       None

&&

$$

9

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 4:48 AM EDTHeat AdvisoryILMBladen, Brunswick, Columbus, New Hanover, Pender, Robeson14 hr
Jul 31, 7:50 PM EDTRip Current StatementILMBrunswick, New Hanover, Pender4 days

Nearby

Beach Hazards Statements in North Carolina, 2020Beach Hazards Statements in South Carolina, 2020Every beach hazards 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.