Alert archive / North Carolina / Beach Hazards Statements in 2021

Beach Hazards Statement 32, NWS Wilmington, NC

September 19, 2021Brunswick County, North Carolina

NWS Wilmington, NC issued this beach hazards statement at Sep 19, 2021, 8:33 PM EDT for Brunswick County, North Carolina. It took effect at Sep 20, 2021, 6:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2021, 8:33 PM EDT (00:33 UTC)
In effect from
Sep 20, 2021, 6:00 AM EDT
Expired
Sep 20, 2021, 8:00 PM EDT
In force
14 hr
Issued by
NWS Wilmington, NC

County Brunswick County, NC

The radar

The Wilmington radar (KLTX), 19 km from the middle of the area, began a volume at 00:35 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 00:00Z, 0.6 hours before the alert went out and 149 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 00:00Z on 2021-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 00:00Z on 2021-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
43 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

819 
WHUS42 KILM 200033
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
833 PM EDT Sun Sep 19 2021

NCZ110-200845-
/O.CAN.KILM.CF.Y.0091.000000T0000Z-210920T0100Z/
/O.NEW.KILM.BH.S.0032.210920T1000Z-210921T0000Z/
Coastal Brunswick-
833 PM EDT Sun Sep 19 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM 6 AM EDT MONDAY THROUGH
MONDAY EVENING...
...COASTAL FLOOD ADVISORY IS CANCELLED...

* WHAT...Strong east to west longshore current expected.

* WHERE...Coastal Brunswick County.

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

* IMPACTS...Longshore currents can sweep swimmers and surfers into
  rip currents, piers, jetties, and other hazardous areas. It may
  sweep swimmers off their feet, making it difficult to return to
  shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution should be used when in or near the water. Check with
lifeguards before entering the ocean for possible hazards you may
be swept into.

&&

$$

NCZ106-108-SCZ054-056-200145-
/O.CAN.KILM.CF.Y.0091.000000T0000Z-210920T0100Z/
Coastal Pender-Coastal New Hanover-Coastal Horry-
Coastal Georgetown-
833 PM EDT Sun Sep 19 2021

...COASTAL FLOOD ADVISORY IS CANCELLED...

Water levels will stay below minor flood thresholds this evening.

$$

NCZ107-200400-
/O.CON.KILM.CF.Y.0091.000000T0000Z-210920T0400Z/
Inland New Hanover-
833 PM EDT Sun Sep 19 2021

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

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

* WHEN...Until midnight EDT tonight.

* IMPACTS...Portions of Battleship Road and USS North Carolina 
  Road observe minor coastal flooding up to one half foot in 
  depth. In downtown Wilmington, a block of Water Street 
  observes minor flooding up to one quarter foot in depth.

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
MLLW Categories - Minor 5.5 ft, Moderate 6.8 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.1 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM     5.9        1.2        0.8       N/A     Minor    
 20/10 AM     5.5        0.8        0.8       N/A     Minor    
 20/10 PM     5.8        1.1        0.8       N/A     Minor    
 21/11 AM     5.8        1.1        1.0       N/A     Minor    
 21/11 PM     5.8        1.1        0.9       N/A     Minor    
 22/11 AM     5.6        0.9        0.8       N/A     Minor

&&

$$
4 follow-up statements
319 
WHUS42 KILM 200405
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
1205 AM EDT Mon Sep 20 2021

NCZ107-200515-
/O.EXP.KILM.CF.Y.0091.000000T0000Z-210920T0400Z/
Inland New Hanover-
1205 AM EDT Mon Sep 20 2021

...COASTAL FLOOD ADVISORY HAS EXPIRED...

River gage readings on the Lower Cape Fear River near downtown
Wilmington have fallen below the 5.5 ft MLLW threshold for minor
coastal flooding. As a result, the Coastal Flood Advisory has been
allowed to expire at Midnight EDT.

$$

NCZ110-201215-
/O.CON.KILM.BH.S.0032.210920T1000Z-210921T0000Z/
Coastal Brunswick-
1205 AM EDT Mon Sep 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM EDT THIS
MORNING THROUGH THIS EVENING...

* WHAT...Strong East to West longshore current expected.

* WHERE...Coastal Brunswick County.

* WHEN...From 6 AM EDT this morning through this evening.

* IMPACTS...Longshore currents can sweep swimmers and surfers 
  into rip currents, piers, jetties, and other hazardous areas. 
  It may sweep swimmers off their feet, making it difficult to 
  return to shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution should be used when in or near the water. Check with
lifeguards before entering the ocean for possible hazards you may
be swept into.

&&

$$
dch
364 
WHUS42 KILM 200834
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
434 AM EDT Mon Sep 20 2021

NCZ110-210000-
/O.CON.KILM.BH.S.0032.210920T1000Z-210921T0000Z/
Coastal Brunswick-
434 AM EDT Mon Sep 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* WHAT...Strong East to West longshore current expected.

* WHERE...Coastal Brunswick County.

* WHEN...From 6 AM EDT this morning through this evening.

* IMPACTS...Longshore currents can sweep swimmers and surfers 
  into rip currents, piers, jetties, and other hazardous areas. 
  It may sweep swimmers off their feet, making it difficult to 
  return to shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution should be used when in or near the water. Check with
lifeguards before entering the ocean for possible hazards you may
be swept into.

&&

$$
43
357 
WHUS42 KILM 201734
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
134 PM EDT Mon Sep 20 2021

NCZ107-210145-
/O.NEW.KILM.CF.Y.0092.210921T0000Z-210921T0300Z/
Inland New Hanover-
134 PM EDT Mon Sep 20 2021

...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 portions of USS North Carolina Road and 
  Battleship Road begin to observe minor coastal flooding. Water 
  begins to spread out of storm drains onto Water Street just 
  south of Market Street in downtown Wilmington.

* ADDITIONAL DETAILS...Affected areas listed are based on 
  average tide conditions. Additional locations may experience 
  flooding during periods of heavy rainfall, high winds, or 
  other factors.

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
MLLW Categories - Minor 5.5 ft, Moderate 6.8 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.1 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 20/10 PM     5.7        1.0        0.7       N/A     Minor    
 21/11 AM     5.7        1.0        0.9       N/A     Minor    
 21/11 PM     5.7        1.0        0.8       N/A     Minor    
 22/11 AM     5.5        0.8        0.7       N/A     Minor    
 23/12 AM     5.5        0.8        0.8       N/A     Minor

&&

$$

NCZ110-210000-
/O.CON.KILM.BH.S.0032.000000T0000Z-210921T0000Z/
Coastal Brunswick-
134 PM EDT Mon Sep 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Strong East to West longshore current expected.

* WHERE...Coastal Brunswick County.

* WHEN...From 6 AM EDT this morning through this evening.

* IMPACTS...Longshore currents can sweep swimmers and surfers 
  into rip currents, piers, jetties, and other hazardous areas. 
  It may sweep swimmers off their feet, making it difficult to 
  return to shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution should be used when in or near the water. Check with
lifeguards before entering the ocean for possible hazards you may
be swept into.

&&

$$
356 
WHUS42 KILM 210008
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
808 PM EDT Mon Sep 20 2021

NCZ110-210115-
/O.EXP.KILM.BH.S.0032.000000T0000Z-210921T0000Z/
Coastal Brunswick-
808 PM EDT Mon Sep 20 2021

...BEACH HAZARDS STATEMENT HAS EXPIRED...

East to west longshore current will decrease to moderate in 
strength for Wednesday, and therefore the Beach Hazard Statement
will be expired.

$$

NCZ107-210300-
/O.CON.KILM.CF.Y.0092.000000T0000Z-210921T0300Z/
Inland New Hanover-
808 PM EDT Mon Sep 20 2021

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

* IMPACTS...The lowest portions of USS North Carolina Road and 
  Battleship Road begin to observe minor coastal flooding. Water 
  begins to spread out of storm drains onto Water Street just 
  south of Market Street in downtown Wilmington.

* ADDITIONAL DETAILS...Affected areas listed are based on 
  average tide conditions. Additional locations may experience 
  flooding during periods of heavy rainfall, high winds, or 
  other factors.

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
MLLW Categories - Minor 5.5 ft, Moderate 6.8 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.1 ft, Major 5.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 20/10 PM     5.7        1.0        0.7       N/A     Minor    
 21/11 AM     5.7        1.0        0.9       N/A     Minor    
 21/11 PM     5.7        1.0        0.8       N/A     Minor    
 22/11 AM     5.5        0.8        0.7       N/A     Minor    
 23/12 AM     5.5        0.8        0.8       N/A     Minor    
 23/12 PM     5.3        0.6        0.6       N/A      None

&&

$$

NCZ106-108-210315-
/O.NEW.KILM.RP.S.0018.210921T1000Z-210922T0000Z/
Coastal Pender-Coastal New Hanover-
808 PM EDT Mon Sep 20 2021

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

* WHAT...Dangerous rip currents expected.

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

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

&&

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 1:34 PM EDTCoastal Flood AdvisoryILMNew Hanover9 hr

Nearby

Beach Hazards Statements in North Carolina, 2021Every beach hazards statement in 2021

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.