Alert archive / Tennessee / Wind Advisories in 2020

Wind Advisory 2, NWS Morristown, TN

January 9, 20208 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Jan 9, 2020, 3:22 AM EST for 8 counties in Tennessee. It took effect at Jan 9, 2020, 7:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 9, 2020, 3:22 AM EST (08:22 UTC)
In effect from
Jan 9, 2020, 7:00 PM EST
Expired
Jan 10, 2020, 7:00 AM EST
In force
12 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 08:25 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, 8.4 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 2020-01-09Temperature 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 2020-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939587897Sfc1 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
2211 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

918 
WWUS74 KMRX 090822
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
322 AM EST Thu Jan 9 2020

TNZ018-041-043-045-047-072-074-087-091630-
/O.NEW.KMRX.WI.Y.0002.200110T0000Z-200110T1200Z/
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
322 AM EST Thu Jan 9 2020

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts over 40 mph 
  expected.

* WHERE...Portions of the east Tennessee mountains and foothills.

* WHEN...From 7 PM this evening to 7 AM EST Friday.

* 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.

&&

$$
4 follow-up statements
481 
WWUS74 KMRX 091538 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Morristown TN
1038 AM EST Thu Jan 9 2020

TNZ018-041-043-045-047-072-074-087-092100-
/O.CON.KMRX.WI.Y.0002.200110T0000Z-200110T1200Z/
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
1038 AM EST Thu Jan 9 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts over 40 mph 
  expected.

* WHERE...Portions of the east Tennessee mountains and foothills.

* WHEN...From 7 PM this evening to 7 AM EST Friday.

* 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.

&&

$$
401 
WWUS74 KMRX 092011
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
311 PM EST Thu Jan 9 2020

TNZ018-041-043-045-047-072-074-087-100415-
/O.CON.KMRX.WI.Y.0002.200110T0000Z-200110T1200Z/
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 PM EST Thu Jan 9 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Portions of the east Tennessee mountains and foothills.

* WHEN...From 7 PM this evening to 7 AM EST Friday.

* 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.

&&

$$
890 
WWUS74 KMRX 100201
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
901 PM EST Thu Jan 9 2020

TNZ018-041-043-045-047-072-074-087-101315-
/O.NEW.KMRX.HW.A.0002.200111T0300Z-200112T0300Z/
/O.CON.KMRX.WI.Y.0002.000000T0000Z-200110T1200Z/
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
901 PM EST Thu Jan 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...
...HIGH WIND WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
EVENING...

* WHAT...For the Wind Advisory, south winds of 20 to 30 mph with
  gusts up to 55 mph. For the High Wind Watch, south winds 25 to
  40 mph with gusts in excess of 70 mph possible.

* WHERE...Far east Tennessee Mountains and Adjacent Foothills.

* WHEN...For the Wind Advisory, until 7 AM EST Friday. For the 
  High Wind Watch, from Friday evening through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Isolated power outages are possible. Travel could be difficult,
  especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
129 
WWUS74 KMRX 100919
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
419 AM EST Fri Jan 10 2020

TNZ018-041-043-045-047-072-074-087-101730-
/O.CON.KMRX.WI.Y.0002.000000T0000Z-200110T1200Z/
/O.CON.KMRX.HW.A.0002.200111T0300Z-200112T0300Z/
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
419 AM EST Fri Jan 10 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY EVENING...

* WHAT...For the Wind Advisory, south winds of 20 to 30 mph with 
  gusts up to 55 mph. For the High Wind Watch, south winds 25 to 
  40 mph with gusts in excess of 70 mph possible.

* WHERE...Far east Tennessee Mountains and Adjacent Foothills.

* WHEN...For the Wind Advisory, until 7 AM EST Friday. For the 
  High Wind Watch, from Friday evening through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Isolated power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

Nearby

Wind Advisories in Tennessee, 2020Every wind advisory in 2020

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.