Alert archive / Tennessee / Wind Chill Advisories in 2015
Wind Chill Advisory 5, NWS Morristown, TN
NWS Morristown, TN issued this wind chill advisory at Feb 14, 2015, 2:33 AM CST for 14 counties in Tennessee; Lee County, Scott County, Virginia; Cherokee County, Clay County, North Carolina. It took effect at Feb 14, 2015, 10:00 PM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 14, 2015, 2:33 AM CST (08:33 UTC)
- In effect from
- Feb 14, 2015, 10:00 PM CST
- Expired
- Feb 15, 2015, 10:10 AM CST
- In force
- 12 hr
- Issued by
- NWS Morristown, TN
Counties Cherokee County, NC, Clay County, NC, Bledsoe County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Greene County, TN, Hancock County, TN, Hawkins County, TN, Marion County, TN, Morgan County, TN, Polk County, TN, Scott County, TN, Sequatchie County, TN, Sullivan County, TN, Washington County, TN, Lee County, VA, Scott County, VA
The radar
The Knoxville radar (KMRX), 34 km from the middle of the area, began a volume at 08:33 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, 8.6 hours before the alert went out and 345 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
- 2471 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Morristown, TN wrote its last area forecast discussion before this wind chill advisory went out at Feb 13, 11:42 PM CST, 2 hours 51 minutes earlier.
Area forecast discussion, Feb 13, 11:42 PM CST, 2 hours 51 minutes before
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</html>Hazardous weather outlook, Feb 13, 2:30 PM CST, 12 hours 3 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 2:33 AM CST | Wind Chill Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more | 32 hr |
| Feb 14, 2:33 AM CST | Winter Weather Advisory | MRX | Blount, Carter, Cocke, Greene, Johnson, Sevier and 1 more | 24 hr |
| Feb 14, 2:52 PM CST | Winter Storm Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 24 hr |
Nearby
Wind Chill Advisories in Tennessee, 2015Wind Chill Advisories in Virginia, 2015Wind Chill Advisories in North Carolina, 2015Every wind chill advisory in 2015
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.