Alert archive / North Carolina / Rip Current Statements in 2021

Rip Current Statement 18, NWS Wilmington, NC

September 20, 2021New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this rip current statement at Sep 20, 2021, 8:08 PM EDT for New Hanover County, Pender County, North Carolina. It took effect at Sep 21, 2021, 6:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Sep 20, 2021, 8:08 PM EDT (00:08 UTC)
In effect from
Sep 21, 2021, 6:00 AM EDT
Expired
Sep 21, 2021, 8:00 PM EDT
In force
14 hr
Issued by
NWS Wilmington, NC

Counties New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 65 km from the middle of the area, began a volume at 00:11 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, 0.1 hours before the alert went out and 103 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 2021-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 2021-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
54 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
965 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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
4 follow-up statements
929 
WHUS42 KILM 210248
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
1048 PM EDT Mon Sep 20 2021

NCZ107-210400-
/O.EXP.KILM.CF.Y.0092.000000T0000Z-210921T0300Z/
Inland New Hanover-
1048 PM EDT Mon Sep 20 2021

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

Water levels at downtown Wilmington were below the advisory 
threshold and will continue to fall. 

$$

NCZ106-108-211100-
/O.CON.KILM.RP.S.0018.210921T1000Z-210922T0000Z/
Coastal Pender-Coastal New Hanover-
1048 PM EDT Mon Sep 20 2021

...HIGH RIP CURRENT RISK REMAINS 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.

&&

$$
871 
WHUS42 KILM 211313
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
913 AM EDT Tue Sep 21 2021

NCZ107-211700-
/O.NEW.KILM.CF.Y.0093.210921T1313Z-210921T1700Z/
Inland New Hanover-
913 AM EDT Tue Sep 21 2021

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* 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 1 PM EDT this afternoon.

* 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 
 --------  ---------  ---------  ---------  -------  --------
 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     5.4        0.7        0.7       N/A      None    
 23/12 PM     5.2        0.5        0.5       N/A      None    
 24/12 AM     4.9        0.2        0.4       N/A      None

&&

$$

NCZ106-108-212115-
/O.CON.KILM.RP.S.0018.000000T0000Z-210922T0000Z/
Coastal Pender-Coastal New Hanover-
913 AM EDT Tue Sep 21 2021

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

&&

$$
679 
WHUS42 KILM 211647
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
1247 PM EDT Tue Sep 21 2021

NCZ107-211800-
/O.EXP.KILM.CF.Y.0093.000000T0000Z-210921T1700Z/
Inland New Hanover-
1247 PM EDT Tue Sep 21 2021

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 1 PM EDT THIS
AFTERNOON...



$$

NCZ106-108-220000-
/O.CON.KILM.RP.S.0018.000000T0000Z-210922T0000Z/
Coastal Pender-Coastal New Hanover-
1247 PM EDT Tue Sep 21 2021

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

&&

$$
220 
WHUS42 KILM 220001
CFWILM

Coastal Hazard Message
National Weather Service Wilmington NC
801 PM EDT Tue Sep 21 2021

NCZ106-108-220115-
/O.EXP.KILM.RP.S.0018.000000T0000Z-210922T0000Z/
Coastal Pender-Coastal New Hanover-
801 PM EDT Tue Sep 21 2021

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


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 3:12 AM EDTFlash Flood WatchILMBladen, Brunswick, Columbus, New Hanover, Pender39 hr
Sep 21, 8:23 AM EDTAreal Flood AdvisoryILMBrunswick, New Hanover, Pender112 min
Sep 21, 9:13 AM EDTCoastal Flood AdvisoryILMNew Hanover4 hr
Sep 21, 10:11 AM EDTSmall Craft AdvisoryILM14 hr
Sep 21, 11:13 AM EDTAreal Flood AdvisoryILMBladen, Brunswick, Columbus3 hr
Sep 21, 12:34 PM EDTSpecial Weather StatementILMBrunswick41 min
Sep 21, 1:34 PM EDTAreal Flood AdvisoryILMBladen, Brunswick, Columbus, New Hanover, Pender3 hr
Sep 21, 5:00 PM EDTFlash Flood WarningILMNew Hanover21 min
Sep 21, 5:20 PM EDTFlash Flood WarningILMBrunswick, New Hanover, Pender3 hr
Sep 21, 5:47 PM EDTAreal Flood AdvisoryILMPender3 hr

Nearby

Rip Current Statements in North Carolina, 2021Every rip current 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.