Alert archive / North Carolina / Beach Hazards Statements in 2021

Beach Hazards Statement 40, NWS Newport/Morehead City, NC

August 18, 20214 counties in North Carolina

NWS Newport/Morehead City, NC issued this beach hazards statement at Aug 18, 2021, 8:16 PM EDT for 4 counties in North Carolina. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 2021, 8:16 PM EDT (00:16 UTC)
Expired
Aug 19, 2021, 4:51 AM EDT
In force
9 hr
Issued by
NWS Newport/Morehead City, NC

Counties Carteret County, NC, Dare County, NC, Hyde County, NC, Onslow County, NC

The radar

The Morehead City radar (KMHX), 61 km from the middle of the area, began a volume at 00:18 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, 0.3 hours before the alert went out and 61 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 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1392 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 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1392 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

807 
WHUS42 KMHX 190016
CFWMHX

Coastal Hazard Message
National Weather Service Newport/Morehead City NC
816 PM EDT Wed Aug 18 2021

NCZ195-196-199-204-205-191230-
/O.NEW.KMHX.BH.S.0040.210819T0016Z-210820T0000Z/
West Carteret-East Carteret-Coastal Onslow-Ocracoke Island-
Hatteras Island-
816 PM EDT Wed Aug 18 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY EVENING...

* WHAT...Dangerous rip currents.

* WHERE...The beaches from Cape Hatteras to Surf City.

* WHEN...Through Thursday evening.

* IMPACTS...Rip currents can sweep even the best swimmeres awy
  from shore into deeper water.

* ADDITIONAL DETAILS...The most likely time for strong rip
  currents to occur is a couple hours either side of low tide,
  which will occur around 11:30 AM Thursday.

* PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

11
1 follow-up statement
158 
WHUS42 KMHX 190851
CFWMHX

Coastal Hazard Message
National Weather Service Newport/Morehead City NC
451 AM EDT Thu Aug 19 2021

NCZ195-196-199-204-205-192100-
/O.CAN.KMHX.BH.S.0040.000000T0000Z-210820T0000Z/
/O.NEW.KMHX.BH.S.0041.210819T1200Z-210820T0000Z/
West Carteret-East Carteret-Coastal Onslow-Ocracoke Island-
Hatteras Island-
451 AM EDT Thu Aug 19 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...The beaches from Oregon Inlet to Surf City.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

* ADDITIONAL DETAILS...The most likely time for strong rip
  currents to occur is within a couple hours on either side of low
  tide, which will occur around 11:30 AM this morning.

* PRECAUTIONARY/PREPAREDNESS ACTIONS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 4:51 AM EDTBeach Hazards StatementMHXCarteret, Dare, Hyde, Onslow15 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.