Alert archive / Tennessee / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 107, NWS Morristown, TN

June 19, 2014Polk County, Tennessee; Cherokee County, North Carolina

NWS Morristown, TN issued this severe thunderstorm warning at Jun 19, 2014, 4:15 PM EDT for Polk County, Tennessee; Cherokee County, North Carolina. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 19, 2014, 4:15 PM EDT (20:15 UTC)
Expired: Jun 19, 2014, 5:00 PM EDT
In force: 45 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Cherokee County, NC, Polk County, TN

The radar

The Knoxville radar (KMRX), 141 km from the middle of the area, began a volume at 20:19 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 forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 19, 3:01 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jun 19, 3:01 PM EDT, 1 hour 14 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
301 PM EDT THU JUN 19 2014

.SHORT TERM (TONIGHT THROUGH FRIDAY NIGHT)...THE PERIOD WILL BE
NOTED BY SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS...MAINLY
DIURNALLY DRIVEN. HOWEVER...MODELS HAVE A FAIR AMOUNT OF AGREEMENT
THAT A MORE ORGANIZED BATCH OF CONVECTION WILL BE COMING IN FRIDAY
AFTERNOON/EVENING IN ASSOCIATION WITH A DISTURBANCE IN THE
NORTHWESTERLY STEERING FLOW ALOFT. THUS LIKELY POPS ARE MAINTAINED
FOR THE NORTHERN PLATEAU AND SW VA FOR FRI AFTERNOON AND EVENING.

.LONG TERM (SATURDAY THROUGH THURSDAY)...THE RIDGE CONTINUES TO
BECOME SUPPRESSED FARTHER SOUTH AND WEST OF THE FORECAST AREA
SATURDAY AND SUNDAY COMPLIMENTS OF AN AMPLIFYING UPPER TROUGH OVER
EASTERN CANADA AND THE NORTHEASTERN U.S. IN THIS PATTERN THE MODELS
SUGGEST THE POSSIBILITY OF SCATTERED CONVECTION DUE TO SHORT
WAVELENGTH ENHANCEMENT AND A SLOW COOL FRONTAL PUSH THROUGH THE
SOUTHERN APPALACHIANS SATURDAY THROUGH SUNDAY. BY MONDAY THE
BOUNDARY SHOULD BE SOUTH OF THE VIEWING AREA. THEREFORE ADJUSTED
POPS FOR SHOWERS AND THUNDERSTORMS DOWN TO SLIGHT CHANCE CATEGORY
BASICALLY SUNDAY NIGHT THROUGH MONDAY NIGHT. MODEL FORECASTS HINT AT
THE ARRIVAL OF ANOTHER UPPER TROUGH AROUND THE TUESDAY THROUGH
WEDNESDAY TIME FRAME SO TWEAKED PROBABILITIES UP A BIT HERE. STAYED
A FEW DEGREES BELOW MAX TEMP GUIDANCE FOR THE SOUTHERN VALLEY
THROUGH THE PERIOD WHILE TRENDING JUST UNDER SUGGESTED THERMAL
VALUES ELSEWHERE. DIDN'T STRAY TOO FAR FROM GUIDANCE MINS.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             71  92  70  90 /  20  30  30  50
KNOXVILLE MCGHEE TYSON AIRPORT, TN  69  90  68  87 /  20  40  50  50
OAK RIDGE, TN                       69  90  67  87 /  20  40  50  40
TRI CITIES AIRPORT, TN              65  86  64  84 /  30  40  60  50

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.

&&

GC/TH

Hazardous weather outlook, Jun 19, 4:28 AM EDT, 11 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
428 AM EDT THU JUN 19 2014

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-200830-
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-
428 AM EDT THU JUN 19 2014

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

.DAY ONE...TODAY AND TONIGHT...

ISOLATED STRONG TO POSSIBLY SEVERE THUNDERSTORMS ARE POSSIBLE
LATE THIS AFTERNOON AND EVENING. THE MAIN CONCERNS WILL BE
DAMAGING WINDS UP TO 50 MPH...HEAVY RAIN AND FREQUENT LIGHTNING.
PEA TO DIME SIZED HAIL COULD ALSO OCCUR WITH THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

A MOIST AND UNSTABLE AIR MASS WILL REMAIN ACROSS THE SOUTHERN
APPALACHIANS THROUGH TUESDAY. INCREASING COVERAGE OF SHOWERS AND
THUNDERSTORMS ARE EXPECTED. ISOLATED STRONG TO SEVERE STORMS ARE
POSSIBLE. MAIN CONCERN WILL BE DAMAGING DOWNBURSTS WINDS...HEAVY
RAIN AND FREQUENT LIGHTNING. LOCALIZED FLASH FLOODING IS
POSSIBLE...ESPECIALLY ON FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

DUE TO THE ISOLATED NATURE OF THE STRONG TO SEVERE STORMS...SPOTTER
ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jun 19, 2:17 PM EDT, 1 hour 58 minutes before

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Special weather statement, Jun 19, 2:21 PM EDT, 1 hour 54 minutes before

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Special weather statement, Jun 19, 2:44 PM EDT, 1 hour 31 minutes before

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Special weather statement, Jun 19, 2:49 PM EDT, 1 hour 26 minutes before

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Local storm report, Jun 19, 3:42 PM EDT, 33 minutes before

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Special weather statement, Jun 19, 4:06 PM EDT, 9 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 19, 1:22 PM EDT	Special Weather Statement	MRX	Roane	38 min
Jun 19, 1:45 PM EDT	Special Weather Statement	MRX	Anderson, Grainger, Hamblen, Hawkins, Jefferson, Knox and 1 more	60 min
Jun 19, 2:21 PM EDT	Special Weather Statement	MRX	Bledsoe, Meigs, Rhea, Roane	39 min
Jun 19, 2:44 PM EDT	Special Weather Statement	MRX	Jefferson	46 min
Jun 19, 2:49 PM EDT	Special Weather Statement	MRX	Sullivan	41 min
Jun 19, 3:08 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Sullivan, Washington	37 min
Jun 19, 3:33 PM EDT	Flash Flood Warning	MRX	Meigs, Rhea, Roane	2 hr
Jun 19, 3:35 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Unicoi, Washington	25 min
Jun 19, 4:06 PM EDT	Special Weather Statement	MRX	Bradley, Polk	39 min
Jun 19, 4:23 PM EDT	Severe Thunderstorm Warning	MRX	Morgan	52 min
Jun 19, 4:31 PM EDT	Special Weather Statement	MRX	Blount	59 min
Jun 19, 5:38 PM EDT	Severe Thunderstorm Warning	MRX	Johnson	52 min
Jun 19, 6:29 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson, Sullivan	46 min
Jun 19, 2:17 PM EDT	Special Weather Statement	MRX	Washington	28 min
Jun 19, 5:12 PM EDT	Special Weather Statement	MRX	Washington	63 min
Jun 19, 5:40 PM EDT	Areal Flood Advisory	MRX	Russell, Washington	65 min
Jun 19, 7:33 PM EDT	Areal Flood Advisory	MRX	Russell, Scott, Washington, Wise, City of Norton	117 min
Jun 19, 5:03 PM EDT	Special Weather Statement	MRX	Cherokee, Clay	57 min
Jun 19, 5:06 PM EDT	Areal Flood Advisory	MRX	Cherokee	114 min
Jun 19, 5:49 PM EDT	Severe Thunderstorm Warning	MRX	Clay	26 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2014 Severe Thunderstorm Warnings in North Carolina, 2014 Every severe thunderstorm warning in 2014

Sources

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