Alert archive / North Carolina / Areal Flood Advisories in 2021

Areal Flood Advisory 2, NWS Wilmington, NC

February 16, 2021New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this areal flood advisory at Feb 16, 2021, 1:03 AM EST for New Hanover County, Pender County, North Carolina. It was in force for 87 min.

The area

The counties it named.

The facts

Issued
Feb 16, 2021, 1:03 AM EST (06:03 UTC)
Expired
Feb 16, 2021, 2:30 AM EST
In force
87 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

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 06:06 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, 6.1 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 2021-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Newport, NC at 00:00Z on 2021-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Wilmington, NC wrote its last area forecast discussion before this areal flood advisory went out at Feb 16, 12:36 AM EST, 27 minutes earlier.

Area forecast discussion, Feb 16, 12:36 AM EST, 27 minutes before
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Hazardous weather outlook, Feb 15, 3:46 PM EST, 9 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington NC
346 PM EST Mon Feb 15 2021

AMZ250-252-254-256-162100-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-
346 PM EST Mon Feb 15 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM EST
TUESDAY...

This Hazardous Weather Outlook is for the adjacent Coastal Waters.

.DAY ONE...This afternoon and tonight.

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

   Small Craft Advisory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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

   Small Craft Advisory.

Small Craft Advisory likely Thursday and Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ087-096-099-SCZ017-023-024-032-033-039-059-162100-
Robeson-Bladen-Columbus-Marlboro-Darlington-Dillon-Florence-Marion-
Williamsburg-Northern Horry-
346 PM EST Mon Feb 15 2021

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...This afternoon and tonight.

Marginal risk of strong to severe storms possible after midnight.
Main threats are tornados and damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ105-106-108>110-SCZ054>056-058-162100-
Inland Pender-Coastal Pender-Coastal New Hanover-Inland Brunswick-
Coastal Brunswick-Coastal Horry-Inland Georgetown-Coastal Georgetown-
Central Horry-
346 PM EST Mon Feb 15 2021

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...This afternoon and tonight.

Slight risk of strong to severe storms possible after midnight. Main
threats are tornados and damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ107-162100-
Inland New Hanover-
346 PM EST Mon Feb 15 2021

...COASTAL FLOOD ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM
EST TUESDAY...

This Hazardous Weather Outlook is for southeast North Carolina.

.DAY ONE...This afternoon and tonight.

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

   Coastal Flood Advisory.

Slight risk of strong to severe storms possible after midnight. Main
threats are tornados and damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Feb 15, 8:58 PM EST, 4 hours 5 minutes before
Special Weather Statement
National Weather Service Wilmington NC
858 PM EST Mon Feb 15 2021

SCZ017-023-032-160245-
Marlboro SC-Florence SC-Darlington SC-
858 PM EST Mon Feb 15 2021

...SPECIAL WEATHER STATEMENT FOR NORTHWESTERN FLORENCE...DARLINGTON
AND CENTRAL MARLBORO COUNTIES UNTIL 945 PM EST...

At 858 PM EST, Doppler radar was tracking a strong thunderstorm over
Timmonsville, or 9 miles west of Florence, moving northeast at 70
mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Florence, Bennettsville, Hartsville, Darlington, Timmonsville, Lamar,
Quinby, Clio, Mont Clare, Lydia, Darlington Raceway, Swift Creek,
Cartersville, Florence Darlington Technical College Main Campus,
Oats, Floyd, North Hartsville, Dovesville, Sardis and Auburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3449 8005 3449 7988 3453 7983 3461 7981
      3461 7978 3465 7980 3469 7987 3468 7985
      3460 7948 3432 7966 3431 7966 3400 7988
      3403 7997 3413 8013 3416 8016 3420 8011
      3423 8011 3436 8018 3433 8024 3437 8029
TIME...MOT...LOC 0158Z 204DEG 61KT 3413 7993

MCK
Special weather statement, Feb 15, 9:44 PM EST, 3 hours 19 minutes before
Special Weather Statement
National Weather Service Wilmington NC
944 PM EST Mon Feb 15 2021

SCZ017-023-024-032-160315-
Marlboro SC-Dillon SC-Florence SC-Darlington SC-
944 PM EST Mon Feb 15 2021

...SPECIAL WEATHER STATEMENT FOR NORTHWESTERN FLORENCE...WEST CENTRAL
DILLON...EASTERN DARLINGTON AND SOUTHEASTERN MARLBORO COUNTIES UNTIL
1015 PM EST...

At 944 PM EST, Doppler radar was tracking a strong thunderstorm near
Timmonsville, or near Florence, moving northeast at 65 mph.

Pea size hail and winds between 30 and 40 mph will be possible with
this storm.

Locations impacted include...
Florence, Darlington, Timmonsville, Quinby, Mont Clare, Brownsville,
Florence Darlington Technical College Main Campus, Bingham,
Mechanicsville, Oak Grove, Blenheim, Carolinas Hospital System,
Mcleod Regional Medical Center, Carolinas Hospital System - Cedar
Tower and Health South Rehabilitation Hospital.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3403 7981 3412 8001 3455 7974 3448 7944
TIME...MOT...LOC 0244Z 211DEG 55KT 3416 7986

MCK
Local storm report, Feb 16, 12:33 AM EST, 30 minutes before
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Special weather statement, Feb 16, 12:57 AM EST, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 10:15 PM ESTRiver Flood WarningILMPender21 days
Feb 15, 10:43 PM ESTSpecial Marine WarningILM32 min
Feb 15, 11:11 PM ESTSpecial Marine WarningILM22 min
Feb 15, 11:33 PM ESTSevere Thunderstorm WarningILMBrunswick17 min
Feb 15, 11:39 PM ESTTornado WarningILMBrunswick11 min
Feb 15, 11:48 PM ESTTornado WarningILMBrunswick13 min
Feb 15, 11:55 PM ESTSpecial Marine WarningILM50 min
Feb 16, 12:00 AM ESTTornado Warning Tornado observedILMBrunswick, Columbus15 min
Feb 16, 12:29 AM ESTSevere Thunderstorm WarningILMPender31 min
Feb 16, 12:43 AM ESTSpecial Marine WarningILM32 min
Feb 16, 12:57 AM ESTSpecial Weather StatementILMNew Hanover, Pender63 min
Feb 16, 1:07 AM ESTSpecial Marine WarningILM38 min
Feb 15, 8:58 PM ESTSpecial Weather StatementILMDarlington, Marlboro47 min
Feb 15, 9:44 PM ESTSpecial Weather StatementILMDarlington31 min
Feb 16, 11:39 AM ESTRiver Flood WarningILMWilliamsburg21 days
Feb 16, 11:41 AM ESTRiver Flood WarningILMFlorence21 days

Nearby

Areal Flood Advisories in North Carolina, 2021Every areal flood advisory 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.