Alert archive / South Carolina / Heat Advisories in 2017
Heat Advisory 5, NWS Wilmington, NC
NWS Wilmington, NC issued this heat advisory at Aug 16, 2017, 10:07 AM EDT for 8 counties in South Carolina; Brunswick County, Columbus County, North Carolina. It took effect at Aug 16, 2017, 1:00 PM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 2017, 10:07 AM EDT (14:07 UTC)
- In effect from
- Aug 16, 2017, 1:00 PM EDT
- Expired
- Aug 16, 2017, 5:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Wilmington, NC
Counties Brunswick County, NC, Columbus 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), 80 km from the middle of the area, began a volume at 14:08 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, 2.1 hours before the alert went out and 230 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
- 197 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Aug 16, 7:28 AM EDT, 2 hours 39 minutes earlier.
Area forecast discussion, Aug 16, 7:28 AM EDT, 2 hours 39 minutes before
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</html>Hazardous weather outlook, Aug 16, 7:32 AM EDT, 2 hours 35 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 |
|---|---|---|---|---|
| Aug 16, 6:28 PM EDT | Special Weather Statement | ILM | Horry | 62 min |
| Aug 16, 6:34 PM EDT | Special Marine Warning | ILM | 56 min | |
| Aug 15, 8:33 PM EDT | Special Weather Statement | ILM | Columbus | 57 min |
| Aug 16, 5:14 PM EDT | Special Weather Statement | ILM | Brunswick | 61 min |
Nearby
Heat Advisories in South Carolina, 2017Heat Advisories in North Carolina, 2017Every heat advisory in 2017
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.