Alert archive / Tennessee / Freeze Warnings in 2019
Freeze Warning 2, NWS Morristown, TN
NWS Morristown, TN issued this freeze warning at Mar 31, 2019, 4:03 AM EDT for 31 counties in Tennessee; 4 counties in Virginia. It took effect at Mar 31, 2019, 11:00 PM EDT. It was in force for 11 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 31, 2019, 4:03 AM EDT (08:03 UTC)
- In effect from
- Mar 31, 2019, 11:00 PM EDT
- Expired
- Apr 1, 2019, 10:00 AM EDT
- In force
- 11 hr
- Issued by
- NWS Morristown, TN
All 35 counties
Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie 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), 42 km from the middle of the area, began a volume at 08:06 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 00:00Z, 8.1 hours before the alert went out and 250 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
- 32 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1335 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 353 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 30, 7:39 PM EDT, 8 hours 24 minutes earlier.
Area forecast discussion, Mar 30, 7:39 PM EDT, 8 hours 24 minutes before
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</html>Hazardous weather outlook, Mar 30, 3:01 PM EDT, 13 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 301 PM EDT Sat Mar 30 2019 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-311915- 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- 301 PM EDT Sat Mar 30 2019 /201 PM CDT Sat Mar 30 2019/ This Hazardous Weather Outlook is for portions of Southwest North Carolina...East Tennessee and Southwest Virginia. .DAY ONE...This Afternoon and Tonight A few strong to severe storms will be possible later this evening into the early overnight hours mainly along the Cumberland Plateau and into adjacent valley areas. The primary threat will be damaging winds. .DAYS TWO THROUGH SEVEN...Sunday through Friday Below freezing temperatures expected across most of the area Sunday night into Monday morning. A freeze watch/warning will eventually be needed if current forecast trends hold. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
Nearby
Freeze Warnings in Tennessee, 2019Freeze Warnings in Virginia, 2019Every freeze warning 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.