Alert archive / Tennessee / Frost Advisories in 2014
Frost Advisory 4, NWS Morristown, TN
NWS Morristown, TN issued this frost advisory at Oct 4, 2014, 3:01 PM EDT for 23 counties in Tennessee; 7 counties in Virginia. It took effect at Oct 5, 2014, 4:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 4, 2014, 3:01 PM EDT (19:01 UTC)
- In effect from
- Oct 5, 2014, 4:00 AM EDT
- Expired
- Oct 5, 2014, 10:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Morristown, TN
All 30 counties
Anderson County, TN, Bledsoe 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, Marion County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 7 km from the middle of the area, began a volume at 19:05 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, 7.0 hours before the alert went out and 281 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
- 1290 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 3:31 AM EDT | Freeze Watch | MRX | Blount, Carter, Cocke, Greene, Hancock, Hawkins and 7 more | 12 hr |
| Oct 4, 3:01 PM EDT | Freeze Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 3 more | 19 hr |
Nearby
Frost Advisories in Tennessee, 2014Frost Advisories in Virginia, 2014Every frost advisory in 2014
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.