Alert archive / South Carolina / Flash Flood Watches in 2020
Flash Flood Watch 4, NWS Wilmington, NC
NWS Wilmington, NC issued this flash flood watch at Jun 11, 2020, 12:14 PM EDT for Bladen County, Columbus County, Robeson County, North Carolina; 7 counties in South Carolina. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2020, 12:14 PM EDT (16:14 UTC)
- Expired
- Jun 11, 2020, 10:17 PM EDT
- In force
- 10 hr
- Issued by
- NWS Wilmington, NC
- Flood severity
- None
Counties Bladen County, NC, Columbus County, NC, Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 86 km from the middle of the area, began a volume at 16:18 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 12:00Z, 4.2 hours before the alert went out and 211 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.
- Mixed-layer CAPE
- 326 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
What forecasters said that day
The local office's own words before this flash 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 flash flood watch went out at Jun 11, 9:28 AM EDT, 2 hours 46 minutes earlier.
Area forecast discussion, Jun 11, 9:28 AM EDT, 2 hours 46 minutes before
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</html>Hazardous weather outlook, Jun 11, 8:29 AM EDT, 3 hours 45 minutes before
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</html>The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 10:46 PM EDT | Beach Hazards Statement | ILM | New Hanover, Pender | 21 hr |
| Jun 11, 2:08 PM EDT | Areal Flood Advisory | ILM | Bladen, Columbus, Robeson | 112 min |
| Jun 11, 1:52 PM EDT | Special Weather Statement | ILM | Marion | 53 min |
| Jun 11, 2:43 PM EDT | Special Weather Statement | ILM | Dillon | 62 min |
Nearby
Flash Flood Watches in South Carolina, 2020Flash Flood Watches in North Carolina, 2020Every flash flood watch in 2020
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.