Alert archive / Tennessee / Wind Chill Advisories in 2022
Wind Chill Advisory 3, NWS Morristown, TN
NWS Morristown, TN issued this wind chill advisory at Dec 24, 2022, 3:10 AM EST for 8 counties in Tennessee; 5 counties in Virginia; Cherokee County, Clay County, North Carolina. It took effect at Dec 24, 2022, 1:00 PM EST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2022, 3:10 AM EST (08:10 UTC)
- In effect from
- Dec 24, 2022, 1:00 PM EST
- Expired
- Dec 25, 2022, 10:00 AM EST
- In force
- 21 hr
- Issued by
- NWS Morristown, TN
Counties Cherokee County, NC, Clay County, NC, Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN, City of Bristol, VA, City of Norton, VA, Russell County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 46 km from the middle of the area, began a volume at 08:13 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, 8.2 hours before the alert went out and 269 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
- 1622 m above ground
- 0-6 km bulk shear
- 125 kt
- 0-1 km storm-relative helicity
- -95 m²/s²
- 0-3 km storm-relative helicity
- -238 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 Dec 23, 3:26 PM EST, 11 hours 44 minutes earlier.
Area forecast discussion, Dec 23, 3:26 PM EST, 11 hours 44 minutes before
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</html>Hazardous weather outlook, Dec 23, 3:36 PM EST, 11 hours 34 minutes before
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</html>Nearby
Wind Chill Advisories in Tennessee, 2022Wind Chill Advisories in Virginia, 2022Wind Chill Advisories in North Carolina, 2022Every wind chill advisory in 2022
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.