Alert archive / South Carolina / Lake Wind Advisories in 2011

Lake Wind Advisory 36, NWS Charleston, SC

November 17, 2011Berkeley County, South Carolina

NWS Charleston, SC issued this lake wind advisory at Nov 17, 2011, 9:41 AM EST for Berkeley County, South Carolina. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Nov 17, 2011, 9:41 AM EST (14:41 UTC)
Expired
Nov 17, 2011, 10:24 PM EST
In force
13 hr
Issued by
NWS Charleston, SC

County Berkeley County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 2.7 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2011-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 712 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2011-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
712 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
445 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

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 Nov 17, 7:32 AM EST, 2 hours 9 minutes earlier.

Area forecast discussion, Nov 17, 7:32 AM EST, 2 hours 9 minutes before
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Hazardous weather outlook, Nov 17, 3:52 AM EST, 5 hours 49 minutes before
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In the hours before

Local storm report, Nov 17, 9:11 AM EST, 30 minutes before
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 16, 7:28 PM ESTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Tattnall49 min
Nov 16, 7:52 PM ESTSevere Thunderstorm WarningCHSBryan, Bulloch, Candler, Evans, Tattnall38 min
Nov 16, 8:09 PM ESTSevere Thunderstorm WarningCHSBulloch, Effingham, Screven36 min
Nov 16, 8:26 PM ESTSevere Thunderstorm WarningCHSEffingham, Screven64 min
Nov 16, 9:32 PM ESTSpecial Weather StatementCHSLiberty28 min
Nov 16, 11:13 PM ESTSpecial Marine WarningCHS58 min
Nov 16, 11:36 PM ESTSpecial Marine WarningCHS39 min
Nov 16, 11:45 PM ESTSpecial Marine WarningCHS52 min
Nov 17, 12:16 AM ESTSpecial Weather StatementCHSMcIntosh29 min
Nov 17, 12:36 AM ESTSpecial Weather StatementCHSMcIntosh39 min
Nov 17, 12:59 AM ESTSpecial Marine WarningCHS91 min
Nov 16, 7:01 PM ESTSevere Thunderstorm WarningCHSAllendale, Colleton, Hampton35 min
Nov 16, 7:32 PM ESTSpecial Weather StatementCHSDorchester43 min
Nov 16, 8:02 PM ESTSpecial Weather StatementCHSBerkeley28 min
Nov 16, 8:58 PM ESTSevere Thunderstorm WarningCHSBeaufort, Colleton, Hampton, Jasper43 min
Nov 16, 9:27 PM ESTSpecial Weather StatementCHSDorchester33 min
Nov 16, 9:37 PM ESTSpecial Weather StatementCHSCharleston38 min
Nov 16, 11:17 PM ESTSpecial Weather StatementCHSCharleston28 min
Nov 16, 11:38 PM ESTSpecial Weather StatementCHSCharleston37 min

Nearby

Lake Wind Advisories in South Carolina, 2011Every lake wind 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.