Alert archive / South Carolina / Wind Advisories in 2009

Wind Advisory 3, NWS Wilmington, NC

December 9, 20096 counties in South Carolina; Bladen County, Columbus County, Robeson County, North Carolina

NWS Wilmington, NC issued this wind advisory at Dec 9, 2009, 3:54 AM EST for 6 counties in South Carolina; Bladen County, Columbus County, Robeson County, North Carolina. It took effect at Dec 9, 2009, 7:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Dec 9, 2009, 3:54 AM EST (08:54 UTC)
In effect from: Dec 9, 2009, 7:00 AM EST
Expired: Dec 9, 2009, 5:03 PM EST
In force: 10 hr
Issued by: NWS Wilmington, NC

Counties Bladen County, NC, Columbus County, NC, Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 91 km from the middle of the area, began a volume at 08:54 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, 8.9 hours before the alert went out and 165 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 440 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 527 m²/s²
0-3 km storm-relative helicity: 844 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind 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 wind advisory went out at Dec 9, 3:22 AM EST, 32 minutes earlier.

Area forecast discussion, Dec 9, 3:22 AM EST, 32 minutes before

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Hazardous weather outlook, Dec 9, 3:08 AM EST, 46 minutes before

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In the hours before

Special weather statement, Dec 9, 1:42 AM EST, 2 hours 12 minutes before

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Special weather statement, Dec 9, 3:02 AM EST, 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
302 AM EST WED DEC 9 2009

NCZ096-090830-
BLADEN-
302 AM EST WED DEC 9 2009

...A STRONG THUNDERSTORM OVER BLADEN COUNTY...

AT 302 AM EST...A STRONG THUNDERSTORM WAS...5 MILES NORTH OF
LISBON...OR 5 MILES SOUTHEAST OF ELIZABETHTOWN...MOVING NORTHEAST AT
45 MPH.

THIS THUNDERSTORM WILL BE CAPABLE OF PRODUCING 45 MPH WIND GUSTS.

COMMUNITIES IN THE PATH OF THESE STORMS ARE ELIZABETHTOWN...HICKORY
GROVE...LAGOON...LISBON AND WHITE LAKE.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS FOR FURTHER DETAILS OR
UPDATES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WEATHER.GOV/ILM.

BACON

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 8, 9:39 PM EST	Gale Warning	ILM		19 hr
Dec 9, 3:52 AM EST	Special Marine Warning	ILM		83 min
Dec 9, 8:14 AM EST	Severe Thunderstorm Warning	ILM	Darlington, Dillon, Florence, Horry, Marion, Marlboro	33 min
Dec 9, 8:43 AM EST	Severe Thunderstorm Warning	ILM	Dillon	35 min
Dec 9, 3:30 PM EST	Small Craft Advisory	ILM		21 hr

Nearby

Wind Advisories in South Carolina, 2009 Wind Advisories in North Carolina, 2009 Every wind advisory in 2009

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.