Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Morristown, TN

July 16, 2016Sevier County, Tennessee

NWS Morristown, TN issued this special weather statement at Jul 16, 2016, 6:49 PM EDT for Sevier County, Tennessee. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 16, 2016, 6:49 PM EDT (22:49 UTC)
Expired: Jul 16, 2016, 7:30 PM EDT
In force: 41 min
Issued by: NWS Morristown, TN

County Sevier County, TN

The radar

The Knoxville radar (KMRX), 50 km from the middle of the area, began a volume at 22:49 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.8 hours before the alert went out and 254 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: 891 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Morristown, TN wrote its last area forecast discussion before this special weather statement went out at Jul 16, 3:08 PM EDT, 3 hours 41 minutes earlier.

Area forecast discussion, Jul 16, 3:08 PM EDT, 3 hours 41 minutes before

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Hazardous weather outlook, Jul 16, 3:18 PM EDT, 3 hours 31 minutes before

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In the hours before

Special weather statement, Jul 16, 2:46 PM EDT, 4 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
246 PM EDT SAT JUL 16 2016

NCZ060-TNZ086-087-101-102-161930-
CHEROKEE-SOUTHEAST MONROE-NORTHWEST MONROE-WEST POLK-EAST POLK-
246 PM EDT SAT JUL 16 2016

...A STRONG THUNDERSTORM WILL AFFECT WESTERN CHEROKEE...POLK AND
SOUTHERN MONROE COUNTIES...

AT 245 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR DUCKTOWN...
MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 50 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
BENTON...DUCKTOWN...COKER CREEK...ARCHVILLE...CULBERSON...
PARKSVILLE...BULLET CREEK...UNAKA...HIAWASSE DAM...
HIWASSEE OCOEE S.P....VIOLET...HOT HOUSE...CONASAUGA...COPPERHILL...
BIG FROG MOUNTAIN...RELIANCE...
TURTLETOWN AND WILLIAM L. DAVENPORT REFUGE.

LAT...LON 3499 8477 3508 8474 3509 8474 3517 8470
      3523 8470 3524 8471 3527 8467 3527 8452
      3530 8447 3537 8402 3535 8402 3535 8404
      3531 8403 3499 8407
TIME...MOT...LOC 1845Z 267DEG 29KT 3511 8445

MJB

Special weather statement, Jul 16, 3:14 PM EDT, 3 hours 35 minutes before

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Local storm report, Jul 16, 3:49 PM EDT, 3 hours before

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Special weather statement, Jul 16, 6:18 PM EDT, 31 minutes before

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Special weather statement, Jul 16, 6:35 PM EDT, 14 minutes before

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Special weather statement, Jul 16, 6:49 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 11:27 AM EDT	Special Weather Statement	MRX	Rhea	48 min
Jul 16, 11:52 AM EDT	Special Weather Statement	MRX	Bledsoe	53 min
Jul 16, 12:03 PM EDT	Special Weather Statement	MRX	Sequatchie	42 min
Jul 16, 12:13 PM EDT	Severe Thunderstorm Warning	MRX	Bledsoe, Rhea	26 min
Jul 16, 1:09 PM EDT	Special Weather Statement	MRX	Hamilton	51 min
Jul 16, 1:36 PM EDT	Special Weather Statement	MRX	Scott	39 min
Jul 16, 1:47 PM EDT	Severe Thunderstorm Warning	MRX	Hamilton	28 min
Jul 16, 2:11 PM EDT	Special Weather Statement	MRX	Scott	49 min
Jul 16, 2:16 PM EDT	Special Weather Statement	MRX	Bradley, Polk	44 min
Jul 16, 2:46 PM EDT	Special Weather Statement	MRX	Polk	44 min
Jul 16, 2:56 PM EDT	Severe Thunderstorm Warning	MRX	Monroe, Polk	64 min
Jul 16, 3:05 PM EDT	Areal Flood Advisory	MRX	Bradley, Polk	3 hr
Jul 16, 3:14 PM EDT	Special Weather Statement	MRX	Campbell	46 min
Jul 16, 6:18 PM EDT	Special Weather Statement	MRX	Jefferson	42 min
Jul 16, 6:35 PM EDT	Special Weather Statement	MRX	Unicoi	40 min
Jul 16, 6:37 PM EDT	Areal Flood Advisory	MRX	Russell, Scott	3 hr

Nearby

Special Weather Statements in Tennessee, 2016 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.