Alert archive / Tennessee / Wind Advisories in 2021

Wind Advisory 6, NWS Morristown, TN

March 15, 20218 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Mar 15, 2021, 3:11 AM EDT for 8 counties in Tennessee. It took effect at Mar 15, 2021, 2:00 PM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 15, 2021, 3:11 AM EDT (07:11 UTC)
In effect from
Mar 15, 2021, 2:00 PM EDT
Expired
Mar 16, 2021, 5:00 AM EDT
In force
15 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN

The radar

The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 07:12 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, 7.2 hours before the alert went out and 280 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2021-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2021-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3429 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

004 
WWUS74 KMRX 150711
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
311 AM EDT Mon Mar 15 2021

TNZ018-041-043-045-047-072-074-087-151600-
/O.NEW.KMRX.WI.Y.0006.210315T2200Z-210316T0900Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-
Including the cities of Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, 
Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, 
Gatlinburg, Citico, and Coker Creek
311 AM EDT Mon Mar 15 2021

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 5 AM EDT
TUESDAY...

* WHAT...South and southeast winds 15 to 30 mph with gusts up to 
  45 mph expected at times.

* WHERE...The higher elevations and foothills of the East 
  Tennesee mountains.

* WHEN...From 6 PM this evening to 5 AM EDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
3 follow-up statements
497 
WWUS74 KMRX 151449
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
1049 AM EDT Mon Mar 15 2021

TNZ018-041-043-045-047-072-074-087-160400-
/O.CON.KMRX.WI.Y.0006.210315T2200Z-210316T0900Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-
Including the cities of Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, 
Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, 
Gatlinburg, Citico, and Coker Creek
1049 AM EDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 5 AM
EDT TUESDAY...

* WHAT...South and southeast winds 15 to 30 mph with gusts up to 
  45 mph expected at times.

* WHERE...The higher elevations and foothills of the East 
  Tennesee mountains.

* WHEN...From 6 PM this evening to 5 AM EDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
707 
WWUS74 KMRX 151753
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
153 PM EDT Mon Mar 15 2021

TNZ018-041-043-045-047-072-074-087-160400-
/O.EXT.KMRX.WI.Y.0006.210315T1800Z-210316T0900Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-
Including the cities of Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, 
Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, 
Gatlinburg, Citico, and Coker Creek
153 PM EDT Mon Mar 15 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 5 AM EDT TUESDAY...

* WHAT...South and southeast winds 15 to 30 mph with gusts up to 
  45 mph expected at times.

* WHERE...The higher elevations and foothills of the East 
  Tennesee mountains.

* WHEN...Until 5 AM EDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
827 
WWUS74 KMRX 160246 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Morristown TN
1046 PM EDT Mon Mar 15 2021

TNZ018-041-043-045-047-072-074-087-160900-
/O.CON.KMRX.WI.Y.0006.000000T0000Z-210316T0900Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-
Including the cities of Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, 
Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, 
Gatlinburg, Citico, and Coker Creek
1046 PM EDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT TUESDAY...

* WHAT...South and southeast winds 15 to 30 mph with gusts up to
  50 mph expected at times.

* WHERE...The higher elevations and foothills of the East 
  Tennesee mountains.

* WHEN...Until 5 AM EDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Nearby

Wind Advisories in Tennessee, 2021Every wind advisory in 2021

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.