Alert archive / Tennessee / Special Weather Statements in 2014

Special Weather Statement, NWS Morristown, TN

October 14, 20144 counties in Tennessee

NWS Morristown, TN issued this special weather statement at Oct 14, 2014, 8:49 AM EDT for 4 counties in 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
Oct 14, 2014, 8:49 AM EDT (12:49 UTC)
Expired
Oct 14, 2014, 9:30 AM EDT
In force
41 min
Issued by
NWS Morristown, TN

Counties Grainger County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN

The radar

The Knoxville radar (KMRX), 39 km from the middle of the area, began a volume at 12:51 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, 0.8 hours before the alert went out and 302 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 2014-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 374 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2014-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.193958Sfc1 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
374 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
491 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Oct 14, 7:26 AM EDT, 1 hour 23 minutes earlier.

Area forecast discussion, Oct 14, 7:26 AM EDT, 1 hour 23 minutes before
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Hazardous weather outlook, Oct 14, 3:50 AM EDT, 4 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
350 AM EDT TUE OCT 14 2014

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-150800-
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-
350 AM EDT TUE OCT 14 2014

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

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

A STRONG STORM SYSTEM WILL PUSH A COLD FRONT THROUGH OUR AREA TODAY
AND EARLY THIS EVENING. SHOWERS AND THUNDERSTORMS CAN BE EXPECTED
AHEAD OF THIS FRONT...AND SOME OF THESE STORMS MAY BECOME SEVERE.
DAMAGING WINDS WILL BE THE PRIMARY THREAT...ALTHOUGH AN ISOLATED
TORNADO CANNOT BE RULED OUT. HEAVY RAINFALL MAY LEAD TO FLOODING IN
SOME AREAS AS WELL TODAY INTO THIS EVENING.

IN ADDITION...STRONG WINDS CAN BE EXPECTED TODAY OVER SOME OF THE
HIGHER ELEVATIONS AND FOOTHILLS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

In the hours before

Special weather statement, Oct 14, 4:05 AM EDT, 4 hours 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
405 AM EDT TUE OCT 14 2014

TNZ083>085-099>101-140845-
RHEA-WEST POLK-BRADLEY-MCMINN-MEIGS-HAMILTON-
405 AM EDT TUE OCT 14 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT RHEA...WEST POLK...
BRADLEY...MCMINN...MEIGS...HAMILTON...

AT 404 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR DECATUR TO 9 MILES SOUTHEAST OF HARRISON...AND
MOVING NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
CLEVELAND...ATHENS...DAYTON...DECATUR...BENTON...SODDY-DAISY...
ETOWAH...LAKESITE...CHARLESTON...RIDGESIDE...HARRISON...EAST
CLEVELAND...WILDWOOD LAKE...SOUTH CLEVELAND...COLLEGEDALE...
ENGLEWOOD...GRAYSVILLE...NIOTA...CALHOUN AND BIG SPRING.

HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 3499 8527 3558 8502 3554 8448 3545 8444
      3499 8463
TIME...MOT...LOC 0804Z 224DEG 24KT 3556 8487 3501 8506

MJB
Local storm report, Oct 14, 6:20 AM EDT, 2 hours 29 minutes before
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Local storm report, Oct 14, 6:50 AM EDT, 1 hour 59 minutes before
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Local storm report, Oct 14, 8:19 AM EDT, 30 minutes before
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Special weather statement, Oct 14, 8:49 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 14, 12:24 AM EDTSevere Thunderstorm WarningMRXHamilton, Marion, Sequatchie51 min
Oct 14, 1:24 AM EDTSpecial Weather StatementMRXBledsoe, Hamilton, Marion, Meigs, Rhea, Sequatchie51 min
Oct 14, 4:05 AM EDTSpecial Weather StatementMRXBradley, McMinn, Meigs40 min
Oct 14, 4:55 AM EDTFlash Flood WarningMRXHamilton, Marion, Sequatchie3 hr
Oct 14, 7:41 AM EDTAreal Flood WarningMRXHamilton3 hr
Oct 14, 8:12 AM EDTAreal Flood AdvisoryMRXAnderson, Blount, Grainger, Jefferson, Knox, Loudon and 2 more3 hr
Oct 14, 8:22 AM EDTSevere Thunderstorm WarningMRXCocke, Grainger, Hamblen, Jefferson, Knox, Sevier28 min
Oct 14, 9:19 AM EDTSpecial Weather StatementMRXBledsoe, Rhea41 min
Oct 14, 10:34 AM EDTAreal Flood AdvisoryMRXBradley, Hamilton, McMinn, Meigs, Rhea116 min
Oct 14, 11:42 AM EDTAreal Flood AdvisoryMRXAnderson, Campbell, Loudon, Morgan, Roane, Scott2 hr
Oct 14, 1:29 PM EDTAreal Flood AdvisoryMRXAnderson, Blount, Campbell, Claiborne, Grainger, Jefferson and 4 more3 hr
Oct 14, 1:41 PM EDTAreal Flood AdvisoryMRXMonroe, Polk2 hr
Oct 14, 2:28 PM EDTSpecial Weather StatementMRXBlount, Knox47 min
Oct 14, 3:03 PM EDTSpecial Weather StatementMRXGrainger, Hamblen, Jefferson42 min
Oct 14, 3:22 PM EDTAreal Flood AdvisoryMRXBlount, Claiborne, Cocke, Grainger, Greene, Hamblen and 4 more3 hr
Oct 14, 4:23 PM EDTAreal Flood AdvisoryMRXBlount, Claiborne, Grainger, Hancock, Jefferson, Knox and 2 more112 min
Oct 14, 3:40 PM EDTAreal Flood AdvisoryMRXCherokee, Clay3 hr

Nearby

Special Weather Statements in Tennessee, 2014Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.