Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Newport/Morehead City, NC

August 21, 2021Carteret County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 21, 2021, 10:18 PM EDT for Carteret County, North Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 21, 2021, 10:18 PM EDT (02:18 UTC)
Expired
Aug 21, 2021, 10:45 PM EDT
In force
27 min
Issued by
NWS Newport/Morehead City, NC
Hail
0.00 in
Wind
40

County Carteret County, NC

The radar

The Morehead City radar (KMHX), 31 km from the middle of the area, began a volume at 02:18 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.3 hours before the alert went out and 340 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, Greensboro/Hi Pt, NC at 00:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1078 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1078 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1459 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Newport/Morehead City, NC wrote its last area forecast discussion before this special weather statement went out at Aug 21, 10:13 PM EDT, 5 minutes earlier.

Area forecast discussion, Aug 21, 10:13 PM EDT, 5 minutes before
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Hazardous weather outlook, Aug 21, 4:04 PM EDT, 6 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service Newport/Morehead City NC
404 PM EDT Sat Aug 21 2021

NCZ195-196-199-203>205-222015-
West Carteret-East Carteret-Coastal Onslow-Northern Outer Banks-
Ocracoke Island-Hatteras Island-
404 PM EDT Sat Aug 21 2021

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

This Hazardous Weather Outlook is for eastern North Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ029-044>047-079>081-090>092-094-193-194-198-222015-
Martin-Pitt-Washington-Tyrrell-Mainland Dare-Greene-Beaufort-
Mainland Hyde-Duplin-Lenoir-Jones-Pamlico-Northern Craven-
Southern Craven-Inland Onslow-
404 PM EDT Sat Aug 21 2021

This Hazardous Weather Outlook is for eastern North Carolina.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 21, 6:19 PM EDT, 3 hours 59 minutes before
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Special weather statement, Aug 21, 10:18 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Newport/Morehead City NC
1018 PM EDT Sat Aug 21 2021

NCZ196-220245-
East Carteret NC-
1018 PM EDT Sat Aug 21 2021

...A strong thunderstorm will impact portions of south central
Carteret County through 1045 PM EDT...

At 1018 PM EDT, Doppler radar was tracking a strong thunderstorm over
Harkers Island, moving northeast at 10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Harkers Island, Straits, Marshallberg, Smyrna, Davis, Williston,
Otway, Cape Lookout Lighthouse and Gloucester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3467 7664 3483 7653 3477 7638 3460 7653
TIME...MOT...LOC 0218Z 218DEG 8KT 3466 7655

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

DAG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:01 PM EDTBeach Hazards StatementMHXCarteret, Dare, Hyde, Onslow24 hr
Aug 22, 3:30 AM EDTSmall Craft AdvisoryMHX36 hr
Aug 22, 12:47 PM EDTSpecial Weather StatementMHXCarteret28 min
Aug 22, 7:15 PM EDTSpecial Marine WarningMHX45 min

Nearby

Special Weather Statements in North Carolina, 2021Every special weather 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.