Alert archive / Tennessee / Wind Advisories in 2018

Wind Advisory 21, NWS Morristown, TN

November 23, 2018Carter County, Johnson County, Tennessee

NWS Morristown, TN issued this wind advisory at Nov 23, 2018, 7:34 AM EST for Carter County, Johnson County, Tennessee. It took effect at Nov 23, 2018, 7:00 PM EST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Nov 23, 2018, 7:34 AM EST (12:34 UTC)
In effect from
Nov 23, 2018, 7:00 PM EST
Expired
Nov 23, 2018, 9:22 PM EST
In force
2 hr
Issued by
NWS Morristown, TN

Counties Carter County, TN, Johnson County, TN

The radar

The Knoxville radar (KMRX), 129 km from the middle of the area, began a volume at 12:37 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 12:00Z, 0.6 hours before the alert went out and 190 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 12:00Z on 2018-11-23Temperature 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 12:00Z on 2018-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
846 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

237 
WWUS74 KMRX 231234 CCA
NPWMRX

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Morristown TN
734 AM EST Fri Nov 23 2018


TNZ041-043-045-072-074-087-240000-
/O.UPG.KMRX.HW.A.0002.181124T0000Z-181124T1200Z/
/O.COR.KMRX.HW.W.0004.181124T0000Z-181124T1200Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Cades Cove, 
Gatlinburg, and Coker Creek
734 AM EST Fri Nov 23 2018

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
SATURDAY...

The National Weather Service in Morristown has issued a High Wind
Warning, which is in effect from 7 PM this evening to 7 AM EST
Saturday. The High Wind Watch is no longer in effect.

* WINDS...Southeast 20 to 35 mph with gusts up to 60 mph.

* TIMING...Tonight into early Saturday morning.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages. 
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ018-047-240000-
/O.NEW.KMRX.WI.Y.0021.181124T0000Z-181124T1200Z/
Johnson-Southeast Carter-
Including the cities of Mountain City and Roan Mountain
734 AM EST Fri Nov 23 2018

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

The National Weather Service in Morristown has issued a Wind
Advisory, which is in effect from 7 PM this evening to 7 AM EST
Saturday.

* WINDS...Southeast 10 to 20 mph with gusts up to 45 mph.

* TIMING...Tonight into early Saturday morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph and/or gusts of
40 to 57 mph are expected or occurring. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$
3 follow-up statements
056 
WWUS74 KMRX 232002
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
302 PM EST Fri Nov 23 2018


TNZ041-043-045-072-074-087-240630-
/O.CON.KMRX.HW.W.0004.181124T0000Z-181124T1200Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Cades Cove, 
Gatlinburg, and Coker Creek
302 PM EST Fri Nov 23 2018

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST SATURDAY...

* WINDS...Southeast 20 to 35 mph with gusts up to 60 mph.

* TIMING...Tonight into early Saturday morning.

* IMPACTS...Damaging winds will blow down trees, tree limbs, and 
  power lines. Widespread power outages are expected. Travel will 
  be difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages.
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ018-047-240630-
/O.CON.KMRX.WI.Y.0021.181124T0000Z-181124T1200Z/
Johnson-Southeast Carter-
Including the cities of Mountain City and Roan Mountain
302 PM EST Fri Nov 23 2018

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

* WINDS...Southeast 10 to 20 mph with gusts up to 45 mph.

* TIMING...Tonight into early Saturday morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph and/or gusts of
40 to 57 mph are expected or occurring. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$
372 
WWUS74 KMRX 232320
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
620 PM EST Fri Nov 23 2018

...Mountain Wave High Winds Tonight through early Saturday 
Morning for the Mountains and Adjacent Foothills...

.Southerly winds will increase overnight ahead of an approaching 
low pressure system and frontal boundary. This will result in very
windy conditions across the mountains and adjacent foothills this
evening into early Saturday morning.


TNZ041-043-045-072-074-087-240730-
/O.CON.KMRX.HW.W.0004.181124T0000Z-181124T1200Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Cades Cove, 
Gatlinburg, and Coker Creek
620 PM EST Fri Nov 23 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* WINDS...Southerly winds increasing to 20 to 35 mph with gusts 
  up to 65 mph.

* TIMING...Tonight into early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected.  Travel will 
  be difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages.
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ018-047-240730-
/O.CON.KMRX.WI.Y.0021.181124T0000Z-181124T1200Z/
Johnson-Southeast Carter-
Including the cities of Mountain City and Roan Mountain
620 PM EST Fri Nov 23 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* WINDS...Southerly winds increasing to 15 to 30 mph with gusts 
  up to 50 mph.

* TIMING...Tonight into early Saturday morning.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Travel will be difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph and/or gusts of
40 to 57 mph are expected or occurring. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$
404 
WWUS74 KMRX 240222
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
922 PM EST Fri Nov 23 2018

...Mountain Wave High Winds Tonight through early Saturday
Morning for the Mountains and Adjacent Foothills...

.Southerly winds are increasing across the mountains and adjacent
foothills. Gusts at Cove Mountain and Camp Creek, Tennessee have
already gusted above 50 mph. Southerly will continue increase 
overnight ahead of an approaching low pressure system. This will 
result in very windy conditions across the mountains and adjacent 
foothills through early Saturday morning.

TNZ018-047-241030-
/O.UPG.KMRX.WI.Y.0021.000000T0000Z-181124T1200Z/
/O.EXA.KMRX.HW.W.0004.000000T0000Z-181124T1200Z/
Johnson-Southeast Carter-
Including the cities of Mountain City and Roan Mountain
922 PM EST Fri Nov 23 2018

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...

The National Weather Service in Morristown has issued a High Wind
Warning, which is in effect until 7 AM EST Saturday. The Wind
Advisory is no longer in effect. 

* WINDS...Southerly winds increasing to 20 to 35 mph with gusts up
  to 60 mph across the Mountains and Adjacent Foothills.

* TIMING...through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Travel will be 
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages. 
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ046-241030-
/O.EXA.KMRX.HW.W.0004.000000T0000Z-181124T1200Z/
Northwest Carter-
Including the city of Elizabethton
922 PM EST Fri Nov 23 2018

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...

The National Weather Service in Morristown has issued a High Wind
Warning, which is in effect until 7 AM EST Saturday. 

* WINDS...Southerly winds increasing to 20 to 35 mph with gusts up
  to 60 mph across the Mountains and Adjacent Foothills. 

* TIMING...through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Travel will be 
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages.
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ041-072-074-087-241030-
/O.CON.KMRX.HW.W.0004.000000T0000Z-181124T1200Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cades Cove, Gatlinburg, 
and Coker Creek
922 PM EST Fri Nov 23 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* WINDS...Southerly winds increasing to 20 to 35 mph with gusts up
  to 65 mph across the Mountains and Adjacent Foothills. 

* TIMING...through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Travel will be 
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages.
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

TNZ043-045-241030-
/O.CON.KMRX.HW.W.0004.000000T0000Z-181124T1200Z/
Southeast Greene-Unicoi-
Including the cities of Cedar Creek and Erwin
922 PM EST Fri Nov 23 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* WINDS...Southerly winds increasing to 20 to 35 mph with gusts up
  to 60 mph across the Mountains and Adjacent Foothills. 

* TIMING...through early Saturday morning.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected. Travel will be 
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph and/or
gusts of 58 mph or stronger can be expected at times.  Winds of
these magnitudes can cause property damage and power outages.
Motorists should use caution...especially those in high profile
vehicles.

&&

$$

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 23, 3:25 AM ESTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, Monroe and 2 more28 hr

Nearby

Wind Advisories in Tennessee, 2018Every wind advisory in 2018

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.