Alert archive / South Carolina / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Wilmington, NC

October 10, 20156 counties in North Carolina; 8 counties in South Carolina

NWS Wilmington, NC issued this flash flood watch at Oct 10, 2015, 3:45 AM EDT for 6 counties in North Carolina; 8 counties in South Carolina. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Oct 10, 2015, 3:45 AM EDT (07:45 UTC)
Expired
Oct 11, 2015, 3:25 AM EDT
In force
24 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, Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 59 km from the middle of the area, began a volume at 07:44 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 00:00Z, 7.8 hours before the alert went out and 169 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 00:00Z on 2015-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 00:00Z on 2015-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
1147 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 1:32 AM EDTCoastal Flood AdvisoryILMNew Hanover9 hr
Oct 10, 2:53 PM EDTCoastal Flood AdvisoryILMNew Hanover8 hr
Oct 10, 3:16 PM EDTAreal Flood WarningILMBrunswick3 hr
Oct 10, 4:01 PM EDTAreal Flood WarningILMBrunswick, New Hanover3 hr
Oct 10, 4:33 PM EDTSpecial Marine WarningILM57 min
Oct 10, 5:34 PM EDTSpecial Marine WarningILM86 min
Oct 10, 9:19 AM EDTSpecial Weather StatementILMDarlington, Marlboro56 min
Oct 10, 10:13 AM EDTAreal Flood WarningILMDarlington, Marlboro3 hr
Oct 10, 12:19 PM EDTAreal Flood AdvisoryILMWilliamsburg3 hr
Oct 10, 12:41 PM EDTAreal Flood WarningILMWilliamsburg3 hr
Oct 10, 1:16 PM EDTFlash Flood WarningILMGeorgetown3 hr
Oct 10, 1:55 PM EDTAreal Flood WarningILMGeorgetown, Horry, Marion3 hr
Oct 10, 2:35 PM EDTSpecial Weather StatementILMHorry25 min

Nearby

Flash Flood Watches in South Carolina, 2015Flash Flood Watches in North Carolina, 2015Every flash flood watch in 2015

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.