Alert archive / North Carolina / Beach Hazards Statements in 2021
Beach Hazards Statement 29, NWS Wilmington, NC
NWS Wilmington, NC issued this beach hazards statement at Aug 17, 2021, 10:44 AM EDT for New Hanover County, Pender County, North Carolina. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 2021, 10:44 AM EDT (14:44 UTC)
- Expired
- Aug 17, 2021, 7:41 PM EDT
- In force
- 9 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 14:47 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, 2.7 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.
- Mixed-layer CAPE
- 1036 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
061 WHUS42 KILM 171444 CFWILM Coastal Hazard Message National Weather Service Wilmington NC 1044 AM EDT Tue Aug 17 2021 NCZ106-108-180000- /O.NEW.KILM.BH.S.0029.210817T1444Z-210818T0000Z/ Coastal Pender-Coastal New Hanover- 1044 AM EDT Tue Aug 17 2021 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Strong south to north longshore current. * WHERE...Coastal Pender and Coastal New Hanover Counties. * WHEN...Until 8 PM EDT 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. && $$ 43
2 follow-up statements
814
WHUS42 KILM 171933
CFWILM
Coastal Hazard Message
National Weather Service Wilmington NC
333 PM EDT Tue Aug 17 2021
NCZ107-180000-
/O.NEW.KILM.CF.Y.0079.210817T2100Z-210818T0000Z/
Inland New Hanover-
333 PM EDT Tue Aug 17 2021
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.
* WHERE...The lower Cape Fear River including downtown
Wilmington.
* WHEN...From 5 PM until 8 PM EDT this evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Cape Fear River at Wilmington
MLLW Categories - Minor 5.5 ft, Moderate 6.7 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.0 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
17/06 PM 5.4 0.7 0.6 1 None
18/06 AM 4.6 -0.1 0.6 1 None
18/07 PM 5.3 0.6 0.4 1 None
19/07 AM 4.5 -0.2 0.4 1 None
19/08 PM 5.4 0.7 0.4 1 None
20/08 AM 4.6 -0.1 0.4 1 None
&&
$$
NCZ106-108-180000-
/O.CON.KILM.BH.S.0029.000000T0000Z-210818T0000Z/
Coastal Pender-Coastal New Hanover-
333 PM EDT Tue Aug 17 2021
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...Strong south to north longshore current.
* WHERE...Coastal Pender and Coastal New Hanover Counties.
* WHEN...Until 8 PM EDT 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.
&&
$$
7348 WHUS42 KILM 172341 CFWILM Coastal Hazard Message National Weather Service Wilmington NC 741 PM EDT Tue Aug 17 2021 NCZ107-180045- /O.CAN.KILM.CF.Y.0079.000000T0000Z-210818T0000Z/ Inland New Hanover- 741 PM EDT Tue Aug 17 2021 ...COASTAL FLOOD ADVISORY IS CANCELLED... The latest gage readings along the Lower Cape Fear River have dropped below Minor Coastal Flood Advisory thresholds. $$ NCZ106-108-180045- /O.CAN.KILM.BH.S.0029.000000T0000Z-210818T0000Z/ Coastal Pender-Coastal New Hanover- 741 PM EDT Tue Aug 17 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... $$
The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 12:20 PM EDT | Areal Flood Advisory | ILM | Columbus | 3 hr |
| Aug 17, 3:33 PM EDT | Coastal Flood Advisory | ILM | New Hanover | 4 hr |
| Aug 17, 3:43 PM EDT | Areal Flood Advisory | ILM | Columbus | 62 min |
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.