Alert archive / Tennessee / Flood Watches in 2014

Flood Watch 2, NWS Morristown, TN

October 13, 201433 counties in Tennessee; 7 counties in Virginia; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this flood watch at Oct 13, 2014, 3:51 PM EDT for 33 counties in Tennessee; 7 counties in Virginia; Cherokee County, Clay County, North Carolina. It took effect at Oct 14, 2014, 6:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Oct 13, 2014, 3:51 PM EDT (19:51 UTC)
In effect from
Oct 14, 2014, 6:00 AM EDT
Expired
Oct 14, 2014, 3:30 PM EDT
In force
10 hr
Issued by
NWS Morristown, TN
Flood severity
None
All 42 counties

Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA

The radar

The Knoxville radar (KMRX), 27 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 265 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, Nashville Metro, TN at 12:00Z on 2014-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 2014-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Oct 13, 3:20 PM EDT, 31 minutes earlier.

Area forecast discussion, Oct 13, 3:20 PM EDT, 31 minutes before
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Hazardous weather outlook, Oct 13, 12:10 PM EDT, 3 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
1210 PM EDT MON OCT 13 2014

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005-
006-008-141200-
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-
1210 PM EDT MON OCT 13 2014

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

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

A STRONG STORM SYSTEM AND ITS ASSOCIATED COLD FRONT WILL SLOWLY
APPROACH THE REGION TONIGHT...BRINGING A STRONG SOUTHEASTERLY WIND
FLOW OVER THE MOUNTAINS. STRONG WIND GUSTS ARE EXPECTED OVER THE
MOUNTAINS AND THEIR ADJACENT FOOTHILLS TONIGHT INTO TUESDAY...WHERE
A HIGH WIND WARNING IS IN EFFECT.

A LINE OF SHOWERS AND THUNDERSTORMS WILL ALSO APPROACH THE REGION
LATE TONIGHT TOWARDS SUNRISE...WITH SOME OF THESE STORMS POSSIBLY
BECOMING STRONG TO SEVERE NEAR THE CUMBERLAND PLATEAU. DAMAGING
WINDS WILL BE THE PRIMARY THREAT...ALTHOUGH AN ISOLATED TORNADO
CANNOT BE RULED OUT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

A COLD FRONT WITH A STRONG WIND FIELD WILL SLOWLY MOVE INTO THE AREA
ON TUESDAY...BRINGING AN EXTENSIVE AREA OF SHOWERS AND THUNDERSTORMS
WITH HEAVY RAINFALL. DUE TO THE SLOW MOVEMENT OF THE COLD FRONT...
FLOODING WILL BE A THREAT ON TUESDAY AND TUESDAY NIGHT.

SOME STORMS ON TUESDAY MAY ALSO BECOME SEVERE WITH DAMAGING WINDS...
AND AN ISOLATED TORNADO OR TWO WILL ALSO BE POSSIBLE. STRONG WIND
GUSTS WILL ALSO CONTINUE ACROSS THE MOUNTAINS AND THEIR ADJACENT
FOOTHILLS ON TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON TUESDAY AND TUESDAY NIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 9:45 PM EDTSpecial Weather StatementMRXPolk60 min
Oct 13, 11:34 AM EDTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, McMinn and 4 more33 hr
Oct 13, 3:31 PM EDTWind AdvisoryMRXAnderson, Bledsoe, Campbell, Claiborne, Hancock, Marion and 7 more29 hr

Nearby

Flood Watches in Tennessee, 2014Flood Watches in Virginia, 2014Flood Watches in North Carolina, 2014Every flood watch 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.