Alert archive / North Carolina / Wind Chill Advisories in 2016

Wind Chill Advisory 1, NWS Greenville-Spartanburg, SC

January 17, 20169 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind chill advisory at Jan 17, 2016, 10:11 AM EST for 9 counties in North Carolina. It took effect at Jan 18, 2016, 12:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jan 17, 2016, 10:11 AM EST (15:11 UTC)
In effect from: Jan 18, 2016, 12:00 AM EST
Expired: Jan 18, 2016, 12:00 PM EST
In force: 12 hr
Issued by: NWS Greenville-Spartanburg, SC

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

The radar

The Knoxville radar (KMRX), 77 km from the middle of the area, began a volume at 15:11 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 12:00Z, 3.2 hours before the alert went out and 264 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: 1159 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 341 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 chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this wind chill advisory went out at Jan 17, 6:57 AM EST, 3 hours 14 minutes earlier.

Area forecast discussion, Jan 17, 6:57 AM EST, 3 hours 14 minutes before

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Hazardous weather outlook, Jan 17, 7:04 AM EST, 3 hours 7 minutes before

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In the hours before

Local storm report, Jan 17, 7:27 AM EST, 2 hours 44 minutes before

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Local storm report, Jan 17, 7:57 AM EST, 2 hours 14 minutes before

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Local storm report, Jan 17, 8:08 AM EST, 2 hours 3 minutes before

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Local storm report, Jan 17, 8:10 AM EST, 2 hours 1 minute before

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Local storm report, Jan 17, 8:14 AM EST, 1 hour 57 minutes before

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Local storm report, Jan 17, 9:40 AM EST, 31 minutes before

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Nearby

Wind Chill Advisories in North Carolina, 2016 Every wind chill advisory in 2016

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.