Alert archive / Tennessee / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Morristown, TN

June 19, 2014Meigs County, Rhea County, Roane County, Tennessee

NWS Morristown, TN issued this flash flood warning at Jun 19, 2014, 3:33 PM EDT for Meigs County, Rhea County, Roane County, Tennessee. It was in force for 2 hr. 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 19, 2014, 3:33 PM EDT (19:33 UTC)
Expired
Jun 19, 2014, 6:00 PM EDT
In force
2 hr
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Flood severity
None

Counties Meigs County, TN, Rhea County, TN, Roane County, TN

The radar

The Knoxville radar (KMRX), 134 km from the middle of the area, began a volume at 19:35 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, 7.6 hours before the alert went out and 167 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 2014-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1278 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2014-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
1278 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1077 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

732 
WGUS54 KMRX 191933
FFWMRX
TNC121-143-145-192200-
/O.NEW.KMRX.FF.W.0002.140619T1933Z-140619T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
333 PM EDT THU JUN 19 2014

THE NATIONAL WEATHER SERVICE IN MORRISTOWN  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN MEIGS COUNTY IN EASTERN TENNESSEE...
  SOUTHWESTERN ROANE COUNTY IN EASTERN TENNESSEE...
  NORTHEASTERN RHEA COUNTY IN EASTERN TENNESSEE...

* UNTIL 600 PM EDT
    
* AT 332 PM EDT...DOPPLER RADAR INDICATED THAT NEARLY TWO INCHES
  OF RAIN HAD FALLEN EAST OF GRANDVIEW PRIOR TO 300 PM...
  BUT ALSO INDICATED THAT ADDITIONAL HEAVY RAIN IN EXCESS OF
  AN INCH WILL QUICKLY FALL OVER THE SAME AREAS THROUGH 430 PM.
  THIS WILL CAUSE FLASH FLOODING IN THE WARNING AREA.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ROCKWOOD...SPRING CITY...GRANDVIEW...PINEY FALLS S.P....EAGLE
  FURNACE AND TEN MILE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3578 8489 3582 8482 3582 8478 3590 8469
      3565 8466 3561 8487

$$

GDC
1 follow-up statement
752 
WGUS74 KMRX 192058
FFSMRX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
458 PM EDT THU JUN 19 2014

TNC121-143-145-192108-
/O.CAN.KMRX.FF.W.0002.000000T0000Z-140619T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MEIGS TN-ROANE TN-RHEA TN-
458 PM EDT THU JUN 19 2014

...THE FLASH FLOOD WARNING FOR NORTHEASTERN MEIGS...SOUTHWESTERN
ROANE AND NORTHEASTERN RHEA COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 3578 8489 3582 8482 3582 8478 3590 8469
      3565 8466 3561 8487

$$

DGS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:22 PM EDTSpecial Weather StatementMRXRoane38 min
Jun 19, 1:45 PM EDTSpecial Weather StatementMRXAnderson, Grainger, Hamblen, Hawkins, Jefferson, Knox and 1 more60 min
Jun 19, 2:21 PM EDTSpecial Weather StatementMRXBledsoe, Meigs, Rhea, Roane39 min
Jun 19, 2:44 PM EDTSpecial Weather StatementMRXJefferson46 min
Jun 19, 2:49 PM EDTSpecial Weather StatementMRXSullivan41 min
Jun 19, 3:08 PM EDTSevere Thunderstorm WarningMRXCarter, Sullivan, Washington37 min
Jun 19, 3:35 PM EDTSevere Thunderstorm WarningMRXCarter, Unicoi, Washington25 min
Jun 19, 4:06 PM EDTSpecial Weather StatementMRXBradley, Polk39 min
Jun 19, 4:15 PM EDTSevere Thunderstorm WarningMRXPolk45 min
Jun 19, 4:23 PM EDTSevere Thunderstorm WarningMRXMorgan52 min
Jun 19, 4:31 PM EDTSpecial Weather StatementMRXBlount59 min
Jun 19, 5:38 PM EDTSevere Thunderstorm WarningMRXJohnson52 min
Jun 19, 6:29 PM EDTSevere Thunderstorm WarningMRXCarter, Johnson, Sullivan46 min

Nearby

Flash Flood Warnings in Tennessee, 2014Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.