Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 5, NWS Morristown, TN

August 7, 2016Monroe County, Tennessee

NWS Morristown, TN issued this flash flood warning at Aug 7, 2016, 3:47 PM EDT for Monroe County, Tennessee. It was in force for 118 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: Aug 7, 2016, 3:47 PM EDT (19:47 UTC)
Expired: Aug 7, 2016, 5:45 PM EDT
In force: 118 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

County Monroe County, TN

The radar

The Knoxville radar (KMRX), 97 km from the middle of the area, began a volume at 19:49 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.8 hours before the alert went out and 238 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: 901 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 994 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

279 
WGUS54 KMRX 071947
FFWMRX
TNC123-072145-
/O.NEW.KMRX.FF.W.0005.160807T1947Z-160807T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
347 PM EDT SUN AUG 7 2016

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL MONROE COUNTY IN EASTERN TENNESSEE...

* UNTIL 545 PM EDT

* AT 347 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TELLICO PLAINS...TARIFFVILLE AND CITICO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3549 8431 3554 8401 3553 8399 3552 8401
      3551 8401 3550 8399 3549 8399 3550 8398
      3549 8394 3547 8396 3546 8396 3541 8402
      3538 8401 3533 8427

$$

DGS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 8:07 PM EDT	Special Weather Statement	MRX	Morgan, Roane	53 min
Aug 7, 2:19 PM EDT	Areal Flood Advisory	MRX	Anderson, Campbell, Scott	116 min
Aug 7, 3:08 PM EDT	Areal Flood Advisory	MRX	Monroe	2 hr
Aug 7, 3:57 PM EDT	Special Weather Statement	MRX	Monroe	33 min
Aug 7, 4:00 PM EDT	Special Weather Statement	MRX	Sevier	30 min
Aug 7, 4:32 PM EDT	Special Weather Statement	MRX	Jefferson	58 min
Aug 7, 4:38 PM EDT	Special Weather Statement	MRX	Blount	67 min
Aug 7, 4:46 PM EDT	Special Weather Statement	MRX	Carter	59 min
Aug 7, 5:00 PM EDT	Areal Flood Advisory	MRX	Blount	2 hr
Aug 7, 5:06 PM EDT	Areal Flood Advisory	MRX	Carter, Johnson, Sullivan, Unicoi, Washington	114 min
Aug 7, 5:14 PM EDT	Special Weather Statement	MRX	Hamblen	46 min
Aug 7, 5:33 PM EDT	Flash Flood Warning	MRX	Carter, Johnson, Sullivan, Washington	117 min
Aug 7, 6:14 PM EDT	Areal Flood Advisory	MRX	Cocke, Greene, Hamblen, Jefferson	2 hr
Aug 7, 6:32 PM EDT	Areal Flood Advisory	MRX	Sullivan	118 min
Aug 7, 7:10 PM EDT	Flash Flood Warning	MRX	Greene, Hamblen	2 hr
Aug 7, 7:32 PM EDT	Areal Flood Advisory	MRX	Claiborne, Grainger, Hancock, Hawkins	3 hr
Aug 7, 7:44 PM EDT	Areal Flood Advisory	MRX	Knox	2 hr
Aug 7, 7:49 PM EDT	Areal Flood Advisory	MRX	Hamilton, Marion	116 min

Nearby

Flash Flood Warnings in Tennessee, 2016 Every flash flood warning 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.