Alert archive / Tennessee / Freeze Warnings in 2017
Freeze Warning 6, NWS Morristown, TN
NWS Morristown, TN issued this freeze warning at Mar 16, 2017, 2:47 PM EDT for 25 counties in Tennessee; 4 counties in Virginia; Cherokee County, Clay County, North Carolina. It took effect at Mar 16, 2017, 10:00 PM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 16, 2017, 2:47 PM EDT (18:47 UTC)
- In effect from
- Mar 16, 2017, 10:00 PM EDT
- Expired
- Mar 17, 2017, 10:00 AM EDT
- In force
- 12 hr
- Issued by
- NWS Morristown, TN
All 31 counties
Cherokee County, NC, Clay County, NC, Anderson County, TN, Blount County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Sullivan County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, Lee County, VA, Scott County, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 18 km from the middle of the area, began a volume at 18:53 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
Nashville Metro, TN (KBNA), launched 12:00Z, 6.8 hours before the alert went out and 273 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
- 1656 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning 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 freeze warning went out at Mar 15, 7:18 PM EDT, 19 hours 29 minutes earlier.
Area forecast discussion, Mar 15, 7:18 PM EDT, 19 hours 29 minutes before
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</html>Hazardous weather outlook, Mar 15, 3:31 PM EDT, 23 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 331 PM EDT Wed Mar 15 2017 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-161945- Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins- Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen- Northwest Cocke-Cocke Smoky Mountains-Northwest Greene- Southeast Greene-Washington TN-Unicoi-Northwest Carter- Southeast Carter-Roane-Loudon-Knox-Jefferson-NW Blount- Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe- Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee- Wise-Scott-Russell-Washington- 331 PM EDT Wed Mar 15 2017 /231 PM CDT Wed Mar 15 2017/ This Hazardous Weather Outlook is for portions of Southwest North Carolina...East Tennessee and Southwest Virginia. .DAY ONE...This Afternoon and Tonight A Freeze Warning is in effect for most of the area again tonight to the the potential for a widespread, killing freeze. Lows will again be well below freezing with some areas dipping into the teens. The combination of strong northwest winds and cold air will cause wind chill values to drop into the -5 to -15 degree range across the high terrain of East Tennessee. A Wind Chill Advisory is in effect for these areas from 8 PM tonight until 11 AM Thursday morning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A Freeze watch is in effect for most of the area again Thursday night into Friday morning for another night of subfreezing temperatures in the mid 20s to lower 30s. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 2:47 PM EDT | Frost Advisory | MRX | Bledsoe, Bradley, Hamilton, Marion, Rhea, Sequatchie | 19 hr |
Nearby
Freeze Warnings in Tennessee, 2017Freeze Warnings in Virginia, 2017Freeze Warnings in North Carolina, 2017Every freeze warning in 2017
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.