Alert archive / South Carolina / Flood Watches in 2014

Flood Watch 6, NWS Wilmington, NC

September 13, 20146 counties in North Carolina; 8 counties in South Carolina

NWS Wilmington, NC issued this flood watch at Sep 13, 2014, 4:18 AM EDT for 6 counties in North Carolina; 8 counties in South Carolina. It took effect at Sep 13, 2014, 6:00 AM EDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Sep 13, 2014, 4:18 AM EDT (08:18 UTC)
In effect from: Sep 13, 2014, 6:00 AM EDT
Expired: Sep 14, 2014, 8:15 AM EDT
In force: 26 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 08:20 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, 8.3 hours before the alert went out and 225 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 796 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 98 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 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 Sep 13, 3:38 AM EDT, 40 minutes earlier.

Area forecast discussion, Sep 13, 3:38 AM EDT, 40 minutes before

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Hazardous weather outlook, Sep 13, 3:55 AM EDT, 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 12, 8:43 PM EDT	Areal Flood Advisory	ILM	Brunswick, New Hanover	2 hr
Sep 12, 9:17 PM EDT	Areal Flood Warning	ILM	New Hanover	3 hr
Sep 12, 11:03 PM EDT	Coastal Flood Advisory	ILM	New Hanover	3 hr
Sep 13, 3:35 PM EDT	Areal Flood Advisory	ILM	Robeson	85 min

Nearby

Flood Watches in South Carolina, 2014 Flood Watches in North Carolina, 2014 Every flood watch in 2014

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.