Alert archive / North Carolina / Dense Fog Advisories in 2021
Dense Fog Advisory 2, NWS Wilmington, NC
NWS Wilmington, NC issued this dense fog advisory at Jan 12, 2021, 11:13 PM EST for 6 counties in North Carolina; 6 counties in South Carolina. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 12, 2021, 11:13 PM EST (04:13 UTC)
- Expired
- Jan 13, 2021, 9:00 AM EST
- In force
- 10 hr
- Issued by
- NWS Wilmington, NC
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, Horry County, SC, Marion County, SC, Marlboro County, SC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 4.2 hours before the alert went out and 184 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 601 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this dense fog 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 dense fog advisory went out at Jan 12, 9:41 PM EST, 1 hour 32 minutes earlier.
Area forecast discussion, Jan 12, 9:41 PM EST, 1 hour 32 minutes before
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</html>Hazardous weather outlook, Jan 12, 9:47 PM EST, 1 hour 26 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 |
|---|---|---|---|---|
| Jan 12, 9:14 PM EST | Coastal Flood Advisory | ILM | New Hanover | 15 hr |
Nearby
Dense Fog Advisories in North Carolina, 2021Dense Fog Advisories in South Carolina, 2021Every dense fog advisory in 2021
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.