Alert archive / Tennessee / Wind Advisories in 2017

Wind Advisory 13, NWS Morristown, TN

April 2, 20177 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Apr 2, 2017, 3:22 PM EDT for 7 counties in Tennessee. It took effect at Apr 3, 2017, 5:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 2, 2017, 3:22 PM EDT (19:22 UTC)
In effect from
Apr 3, 2017, 5:00 AM EDT
Expired
Apr 3, 2017, 2:00 PM EDT
In force
9 hr
Issued by
NWS Morristown, TN

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

The radar

The Knoxville radar (KMRX), 35 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 295 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 2017-04-02Temperature 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 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
1108 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

189 
WWUS74 KMRX 021922
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
322 PM EDT Sun Apr 2 2017

...Windy conditions are expected late tonight into Monday
afternoon across the far East Tennessee mountains...

.A low pressure system will approach the area tonight and Monday
with a tightening pressure gradient in southerly flow ahead of the
front. This will produce gusty winds across across many of the
exposed locations and higher elevations in the East Tennessee 
mountains.


TNZ041-043-045-047-072-074-087-030330-
/O.NEW.KMRX.WI.Y.0013.170403T0900Z-170403T1800Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Roan Mountain,
Cades Cove, Gatlinburg, and Coker Creek
322 PM EDT Sun Apr 2 2017

...WIND ADVISORY IN EFFECT FROM 5 AM TO 2 PM EDT MONDAY...

The National Weather Service in Morristown has issued a Wind
Advisory, which is in effect from 5 AM to 2 PM EDT Monday. 

* EVENT...Southerly winds of 25 to 35 mph with gusts up to 50 
  mph.

* TIMING...Increasing winds overnight tonight that will persist
  into tomorrow afternoon before diminishing by evening.

* IMPACTS...The windy conditions may down small trees, branches 
  and power lines. Scattered power outages are possible. Driving 
  high profile vehicles in these conditions will be difficult. 

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.

&&

$$
2 follow-up statements
770 
WWUS74 KMRX 030049
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
849 PM EDT Sun Apr 2 2017

...Windy conditions are expected late tonight into Monday
afternoon across the far East Tennessee mountains...

.A low pressure system will approach the area tonight and Monday
with a tightening pressure gradient in southeast to southerly 
flow ahead of the front. This will produce gusty winds across 
many of the exposed locations and higher elevations in the East 
Tennessee mountains.

TNZ041-043-045-047-072-074-087-030900-
/O.CON.KMRX.WI.Y.0013.170403T0900Z-170403T1800Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Roan Mountain,
Cades Cove, Gatlinburg, and Coker Creek
849 PM EDT Sun Apr 2 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 2 PM EDT MONDAY...

* EVENT...Southerly winds of 20 to 35 mph with gusts up to 50 
  mph.

* TIMING...Increasing winds overnight tonight that will persist
  into Monday afternoon before diminishing by evening. 

* IMPACTS...The windy conditions may down small trees, branches 
  and power lines. Scattered power outages are possible. Driving 
  high profile vehicles in these conditions will be difficult. 

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.

&&

$$

TD
642 
WWUS74 KMRX 030818 AAB
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Morristown TN
418 AM EDT Mon Apr 3 2017

...Windy conditions are expected early this morning into this
afternoon across the East Tennessee mountains...

.A low pressure system will track toward the region this morning.
This will result in a tightening pressure gradient, creating 
strong southeast to southerly winds ahead of the front. These 
winds will become quite strong and gusty over the high terrain, 
particularly in exposed locations along the East Tennessee 
mountains.

TNZ041-043-045-047-072-074-087-031600-
/O.CON.KMRX.WI.Y.0013.170403T0900Z-170403T1800Z/
Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter-
Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe-
Including the cities of Cosby, Cedar Creek, Erwin, Roan Mountain,
Cades Cove, Gatlinburg, and Coker Creek
418 AM EDT Mon Apr 3 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

* EVENT...Southerly winds of 20 to 35 mph with gusts up to 50 
  mph. 

* TIMING...5 AM EDT this morning to 2 PM EDT this afternoon. 

* IMPACTS...The windy conditions may down small trees, branches 
  and power lines. Scattered power outages are possible. Driving 
  high profile vehicles in these conditions will be difficult. 

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.

&&

$$

Nearby

Wind Advisories in Tennessee, 2017Every wind advisory in 2017

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.