Alert archive / North Carolina / Wind Advisories in 2019

Wind Advisory 11, NWS Greenville-Spartanburg, SC

March 9, 201912 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Mar 9, 2019, 4:03 AM EST for 12 counties in North Carolina. It took effect at Mar 9, 2019, 4:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 9, 2019, 4:03 AM EST (09:03 UTC)
In effect from
Mar 9, 2019, 4:00 PM EST
Expired
Mar 10, 2019, 3:56 AM EDT
In force
11 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Buncombe County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 85 km from the middle of the area, began a volume at 09:05 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.1 hours before the alert went out and 265 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, Greensboro/Hi Pt, NC at 00:00Z on 2019-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 00:00Z on 2019-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 451 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
451 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 7:23 PM ESTSpecial Weather StatementGSPOconee22 min
Mar 8, 7:48 PM ESTSpecial Weather StatementGSPPickens27 min
Mar 8, 7:59 PM ESTSpecial Weather StatementGSPLaurens31 min

Nearby

Wind Advisories in North Carolina, 2019Every wind advisory in 2019

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.