Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 5, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at May 11, 2015, 2:46 PM EDT for Georgetown County, Horry County, South Carolina. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 11, 2015, 2:46 PM EDT (18:46 UTC)
- Expired
- May 11, 2015, 3:32 PM EDT
- In force
- 46 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
Counties Georgetown County, SC, Horry County, SC
The radar
The Wilmington radar (KLTX), 75 km from the middle of the area, began a volume at 18:46 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, 6.8 hours before the alert went out and 116 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
- 702 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 11, 1:22 PM EDT, 1 hour 24 minutes earlier.
Area forecast discussion, May 11, 1:22 PM EDT, 1 hour 24 minutes before
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</html>Hazardous weather outlook, May 11, 1:10 PM EDT, 1 hour 36 minutes before
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Special weather statement, May 11, 2:07 PM EDT, 39 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 |
|---|---|---|---|---|
| May 10, 9:07 PM EDT | Coastal Flood Advisory | ILM | New Hanover | 8 hr |
| May 11, 2:23 AM EDT | Special Marine Warning | ILM | 97 min | |
| May 11, 4:04 AM EDT | Special Marine Warning | ILM | 26 min | |
| May 11, 5:36 PM EDT | Areal Flood Advisory | ILM | Columbus, Robeson | 54 min |
| May 11, 2:07 PM EDT | Special Weather Statement | ILM | Georgetown | 53 min |
| May 11, 2:11 PM EDT | Special Weather Statement | ILM | Florence | 64 min |
| May 11, 2:40 PM EDT | Special Weather Statement | ILM | Georgetown | 65 min |
| May 11, 2:50 PM EDT | Special Weather Statement | ILM | Williamsburg | 55 min |
| May 11, 3:46 PM EDT | Special Weather Statement | ILM | Horry | 29 min |
| May 11, 4:16 PM EDT | Areal Flood Advisory | ILM | Horry | 59 min |
| May 11, 4:38 PM EDT | Special Weather Statement | ILM | Florence | 67 min |
| May 11, 4:55 PM EDT | Special Weather Statement | ILM | Darlington | 65 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2015Every severe thunderstorm warning 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.