Alert archive / South Carolina / Dense Smoke Advisories in 2011
Dense Smoke Advisory 3, NWS Charleston, SC
NWS Charleston, SC issued this dense smoke advisory at Feb 18, 2011, 4:53 PM EST for Berkeley County, South Carolina. It took effect at Feb 19, 2011, 12:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2011, 4:53 PM EST (21:53 UTC)
- In effect from
- Feb 19, 2011, 12:00 AM EST
- Expired
- Feb 19, 2011, 9:00 AM EST
- In force
- 9 hr
- Issued by
- NWS Charleston, SC
County Berkeley County, SC
The radar
The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 21:56 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
Newport, NC (KMHX), launched 12:00Z, 9.9 hours before the alert went out and 333 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
- 883 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 327 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 smoke advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before this dense smoke advisory went out at Feb 18, 3:51 PM EST, 1 hour 2 minutes earlier.
Area forecast discussion, Feb 18, 3:51 PM EST, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Feb 18, 3:55 PM EST, 58 minutes before
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Local storm report, Feb 18, 4:36 PM EST, 17 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 8:00 PM EST | Dense Fog Advisory | CHS | Bulloch, Candler, Effingham, Evans, Long, Tattnall | 13 hr |
Nearby
Dense Smoke Advisories in South Carolina, 2011Every dense smoke advisory in 2011
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.