Alert archive / North Carolina / Flood Watches in 2016

Flood Watch 1, NWS Wilmington, NC

February 4, 20165 counties in North Carolina; Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this flood watch at Feb 4, 2016, 11:10 AM EST for 5 counties in North Carolina; Georgetown County, Horry County, South Carolina. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Feb 4, 2016, 11:10 AM EST (16:10 UTC)
Expired
Feb 5, 2016, 1:06 AM EST
In force
14 hr
Issued by
NWS Wilmington, NC
Flood severity
None

Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Georgetown County, SC, Horry County, SC

The radar

The Wilmington radar (KLTX), 17 km from the middle of the area, began a volume at 16:10 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.2 hours before the alert went out and 196 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, Charleston AFB, SC at 12:00Z on 2016-02-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 2016-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
13 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Feb 4, 9:38 AM EST, 1 hour 32 minutes earlier.

Area forecast discussion, Feb 4, 9:38 AM EST, 1 hour 32 minutes before
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Hazardous weather outlook, Feb 4, 6:23 AM EST, 4 hours 47 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 10:17 PM ESTSpecial Weather StatementILMBrunswick58 min
Feb 4, 4:37 AM ESTAreal Flood AdvisoryILMBrunswick, New Hanover, Pender4 hr
Feb 4, 6:18 AM ESTGale WatchILM9 hr
Feb 4, 11:39 AM ESTRiver Flood WarningILMBladen4 days
Feb 4, 11:39 AM ESTRiver Flood WarningILMPender12 days
Feb 4, 11:39 AM ESTRiver Flood WarningILMRobeson26 days
Feb 4, 3:00 PM ESTSmall Craft AdvisoryILM28 hr
Feb 4, 3:33 PM ESTAreal Flood AdvisoryILMBrunswick, New Hanover57 min
Feb 4, 11:39 AM ESTRiver Flood WarningILMDillon, Horry, Marion32 days
Feb 4, 11:39 AM ESTRiver Flood WarningILMFlorence, Marion9 days
Feb 4, 11:39 AM ESTRiver Flood WarningILMDarlington, Florence4 days
Feb 4, 11:39 AM ESTRiver Flood WarningILMWilliamsburg7 days

Nearby

Flood Watches in North Carolina, 2016Flood Watches in South Carolina, 2016Every flood watch in 2016

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.