Alert archive / Tennessee / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 113, NWS Morristown, TN

July 8, 2016Cocke County, Sevier County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jul 8, 2016, 6:01 PM EDT for Cocke County, Sevier County, Tennessee. It was in force for 44 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 8, 2016, 6:01 PM EDT (22:01 UTC)
Expired: Jul 8, 2016, 6:45 PM EDT
In force: 44 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cocke County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 44 km from the middle of the area, began a volume at 22:02 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.

What was reported inside it

Time	Report	Where	Remark
Jul 8, 6:03 PM EDT	HAIL 1	Pigeon Forge, TN
Jul 8, 6:05 PM EDT	HAIL 1.5	Pigeon Forge, TN	PING PONG BALL SIZE HAIL...PICTURE VIA SOCIAL MEDIA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 8, 1:34 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.0 hours before the alert went out and 289 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1505 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

143 
WUUS54 KMRX 082201
SVRMRX
TNC029-155-082245-
/O.NEW.KMRX.SV.W.0113.160708T2201Z-160708T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
601 PM EDT FRI JUL 8 2016

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL SEVIER COUNTY IN EASTERN TENNESSEE...
  SOUTHWESTERN COCKE COUNTY IN EASTERN TENNESSEE...

* UNTIL 645 PM EDT

* AT 600 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PIGEON
  FORGE... OR NEAR GATLINBURG...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SEVIERVILLE...NEWPORT...GATLINBURG...PIGEON FORGE...
  PITTMAN CENTER...HARRISBURG...COSBY...
  FAIRGARDEN AND GREAT SMOKY MOUNTAINS N.P..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3568 8359 3583 8361 3591 8332 3590 8331
      3591 8329 3594 8318 3577 8315 3576 8316
      3575 8316 3573 8319 3572 8325 3569 8326
      3567 8329
TIME...MOT...LOC 2200Z 261DEG 24KT 3577 8352 

HAIL...1.25IN
WIND...60MPH
 
$$

AMP.23

3 follow-up statements

101 
WWUS54 KMRX 082209
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
609 PM EDT FRI JUL 8 2016

TNC029-155-082245-
/O.CON.KMRX.SV.W.0113.000000T0000Z-160708T2245Z/
SEVIER TN-COCKE TN-
609 PM EDT FRI JUL 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR EAST CENTRAL SEVIER AND SOUTHWESTERN COCKE COUNTIES...

AT 607 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GATLINBURG...
MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SEVIERVILLE...NEWPORT...GATLINBURG...PIGEON FORGE...PITTMAN CENTER...
COSBY...FAIRGARDEN AND GREAT SMOKY MOUNTAINS N.P..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. THIS STORM HAS A HISTORY OF PRODUCING QUARTER TO HALF
DOLLAR SIZE HAIL IN PIGEON FORGE. 

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3570 8355 3582 8357 3591 8332 3590 8331
      3591 8329 3594 8318 3577 8315 3576 8316
      3575 8316 3573 8319 3572 8325 3569 8326
      3567 8329
TIME...MOT...LOC 2207Z 261DEG 24KT 3578 8346 

HAIL...1.25IN
WIND...60MPH
 
$$

AMP.23

746 
WWUS54 KMRX 082231
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
631 PM EDT FRI JUL 8 2016

TNC029-155-082245-
/O.CON.KMRX.SV.W.0113.000000T0000Z-160708T2245Z/
SEVIER TN-COCKE TN-
631 PM EDT FRI JUL 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR EAST CENTRAL SEVIER AND SOUTHWESTERN COCKE COUNTIES...

AT 630 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
GATLINBURG...MOVING EAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
GATLINBURG...PIGEON FORGE...PITTMAN CENTER...COSBY AND GREAT SMOKY
MOUNTAINS N.P..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. THIS STORM HAS A HISTORY OF PRODUCING HALF DOLLAR SIZE
HAIL IN PIGEON FORGE!

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3570 8355 3579 8356 3583 8316 3577 8315
      3576 8316 3575 8316 3573 8319 3572 8325
      3569 8326 3567 8329
TIME...MOT...LOC 2230Z 271DEG 20KT 3574 8336 

HAIL...1.25IN
WIND...60MPH
 
$$

AMP.23

183 
WWUS54 KMRX 082239
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
639 PM EDT FRI JUL 8 2016

TNC029-155-082249-
/O.EXP.KMRX.SV.W.0113.000000T0000Z-160708T2245Z/
SEVIER TN-COCKE TN-
639 PM EDT FRI JUL 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SEVIER AND
SOUTHWESTERN COCKE COUNTIES WILL EXPIRE AT 645 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. GUSY WINDS AND
SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR
EASTERN TENNESSEE.

LAT...LON 3570 8355 3579 8356 3583 8316 3577 8315
      3576 8316 3575 8316 3573 8319 3572 8325
      3569 8326 3567 8329
TIME...MOT...LOC 2237Z 261DEG 24KT 3574 8336 

$$

AMP.23

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 4:47 PM EDT	Severe Thunderstorm Warning	MRX	Morgan	28 min
Jul 8, 4:51 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne	39 min
Jul 8, 5:02 PM EDT	Special Weather Statement	MRX	Monroe	43 min
Jul 8, 5:10 PM EDT	Severe Thunderstorm Warning	MRX	Morgan	35 min
Jul 8, 5:10 PM EDT	Severe Thunderstorm Warning	MRX	Monroe	35 min
Jul 8, 5:13 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Hancock	30 min
Jul 8, 5:21 PM EDT	Areal Flood Advisory	MRX	Morgan	3 hr
Jul 8, 5:26 PM EDT	Special Weather Statement	MRX	Johnson	49 min
Jul 8, 5:37 PM EDT	Special Weather Statement	MRX	Greene, Hamblen, Hawkins	23 min
Jul 8, 5:43 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox	32 min
Jul 8, 5:52 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hamblen, Hawkins, Sullivan, Washington	53 min
Jul 8, 6:03 PM EDT	Severe Thunderstorm Warning	MRX	Morgan, Roane	57 min
Jul 8, 6:07 PM EDT	Severe Thunderstorm Warning	MRX	Blount	38 min
Jul 8, 6:10 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Knox	35 min
Jul 8, 6:14 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Unicoi	61 min
Jul 8, 6:26 PM EDT	Areal Flood Advisory	MRX	Knox, Loudon, Roane	2 hr
Jul 8, 6:33 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Loudon, Monroe	27 min
Jul 8, 6:38 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Sevier	52 min
Jul 8, 6:53 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Loudon, Monroe	52 min
Jul 8, 7:21 PM EDT	Severe Thunderstorm Warning	MRX	McMinn, Monroe	39 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.