Alert archive / South Carolina / Lake Wind Advisories in 2012
Lake Wind Advisory 25, NWS Charleston, SC
NWS Charleston, SC issued this lake wind advisory at Dec 27, 2012, 12:40 AM EST for Berkeley County, South Carolina. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2012, 12:40 AM EST (05:40 UTC)
- Expired
- Dec 27, 2012, 7:12 AM EST
- In force
- 7 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 05:40 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 00:00Z, 5.7 hours before the alert went out and 33 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
- 1122 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lake wind 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 lake wind advisory went out at Dec 26, 10:08 PM EST, 2 hours 32 minutes earlier.
Area forecast discussion, Dec 26, 10:08 PM EST, 2 hours 32 minutes before
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</html>Hazardous weather outlook, Dec 26, 9:59 PM EST, 2 hours 41 minutes before
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Local storm report, Dec 26, 7:01 PM EST, 5 hours 39 minutes before
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</html>Local storm report, Dec 26, 8:37 PM EST, 4 hours 3 minutes before
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<div class="status" id="status">Temporary Notice</div>
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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 |
|---|---|---|---|---|
| Dec 27, 12:51 AM EST | Small Craft Advisory | CHS | 11 hr |
Nearby
Lake Wind Advisories in South Carolina, 2012Every lake wind advisory in 2012
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.