Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Morristown, TN

June 21, 2016Carter County, Tennessee

NWS Morristown, TN issued this special weather statement at Jun 21, 2016, 9:50 PM EDT for Carter County, Tennessee. It was in force for 40 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: Jun 21, 2016, 9:50 PM EDT (01:50 UTC)
Expired: Jun 21, 2016, 10:30 PM EDT
In force: 40 min
Issued by: NWS Morristown, TN

County Carter County, TN

The radar

The Knoxville radar (KMRX), 122 km from the middle of the area, began a volume at 01:50 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.8 hours before the alert went out and 378 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2260 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 69 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 Jun 21, 9:07 PM EDT, 43 minutes earlier.

Area forecast discussion, Jun 21, 9:07 PM EDT, 43 minutes before

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Hazardous weather outlook, Jun 21, 2:41 PM EDT, 7 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
241 PM EDT TUE JUN 21 2016

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-221845-
CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-
SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN-
NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT-
BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE-
SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE-
WISE-SCOTT-RUSSELL-WASHINGTON-
241 PM EDT TUE JUN 21 2016 /141 PM CDT TUE JUN 21 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH
CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AND
MOVE ACROSS THE SOUTHERN APPALACHIAN REGION THROUGH THE EVENING. A
FEW STORMS COULD BECOME STRONG TO MARGINALLY SEVERE. THE BEST
CHANCE FOR SEVERE WEATHER WILL BE FOR AREAS ALONG AND NORTH OF
INTERSTATE 40. THE GREATEST THREAT FROM THE STORMS WILL BE
DAMAGING WINDS AND LOCALIZED FLOODING...WITH A SLIGHTLY LOWER
THREAT FOR HAIL UP TO QUARTER SIZE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

SCATTERED SHOWERS AND THUNDERSTORMS WILL REDEVELOP WEDNESDAY
AFTERNOON AND EARLY EVENING WITH A FEW STORMS BECOMING STRONG TO
MARGINALLY SEVERE. THE GREATEST THREAT WILL BE DAMAGING WINDS.
SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN LATE THURSDAY. THE
BEST CHANCE FOR SEVERE WEATHER THURSDAY NIGHT WILL BE FOR AREAS
ALONG AND NORTH OF INTERSTATE 40. THE GREATEST THREAT FROM THE
STORMS WILL BE DAMAGING WINDS AND MARGINALLY SEVERE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

JW/EMH/DGS

In the hours before

Local storm report, Jun 21, 8:00 PM EDT, 1 hour 50 minutes before

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Local storm report, Jun 21, 8:04 PM EDT, 1 hour 46 minutes before

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Local storm report, Jun 21, 8:15 PM EDT, 1 hour 35 minutes before

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Special weather statement, Jun 21, 8:35 PM EDT, 1 hour 15 minutes before

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Special weather statement, Jun 21, 8:45 PM EDT, 1 hour 5 minutes before

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Special weather statement, Jun 21, 9:50 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
Jun 21, 8:45 PM EDT	Special Weather Statement	MRX	Jefferson, Knox	45 min
Jun 21, 8:56 PM EDT	Areal Flood Advisory	MRX	Hancock	3 hr
Jun 21, 10:05 PM EDT	Severe Thunderstorm Warning	MRX	Carter	25 min
Jun 21, 10:36 PM EDT	Special Weather Statement	MRX	Hancock, Hawkins	39 min
Jun 22, 2:40 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	65 min
Jun 22, 2:54 PM EDT	Special Weather Statement	MRX	Loudon	51 min
Jun 22, 3:03 PM EDT	Special Weather Statement	MRX	Jefferson	42 min
Jun 22, 3:23 PM EDT	Severe Thunderstorm Warning	MRX	Johnson, Sullivan	37 min
Jun 21, 8:35 PM EDT	Special Weather Statement	MRX	Lee	55 min
Jun 21, 11:00 PM EDT	Special Weather Statement	MRX	Lee	45 min
Jun 21, 11:59 PM EDT	Areal Flood Advisory	MRX	Lee	3 hr
Jun 22, 1:18 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Wise, City of Norton	42 min
Jun 22, 1:52 PM EDT	Special Weather Statement	MRX	Russell, Wise	53 min
Jun 22, 2:04 PM EDT	Special Weather Statement	MRX	Scott	41 min
Jun 22, 2:25 PM EDT	Special Weather Statement	MRX	Washington	65 min

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.