Alert archive / Tennessee / Flash Flood Warnings in 2015

Flash Flood Warning 4, NWS Nashville, TN

June 29, 2015Fentress County, Overton County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 29, 2015, 9:35 PM CDT for Fentress County, Overton County, Tennessee. It was in force for 3 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 29, 2015, 9:35 PM CDT (02:35 UTC)
Expired: Jun 30, 2015, 12:30 AM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Fentress County, TN, Overton County, TN

The radar

The Nashville radar (KOHX), 116 km from the middle of the area, began a volume at 02:38 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 00:00Z, 2.6 hours before the alert went out and 122 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: 1003 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1415 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

790 
WGUS54 KOHX 300235
FFWOHX
TNC049-133-300530-
/O.NEW.KOHX.FF.W.0004.150630T0235Z-150630T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
935 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN FENTRESS COUNTY IN MIDDLE TENNESSEE...
  OVERTON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1230 AM CDT
    
* AT 935 PM CDT...EMERGENCY MANAGEMENT REPORTED A THUNDERSTORM
  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...
  LIVINGSTON...STANDING STONE STATE PARK...CRAWFORD AND RICKMAN. 

ADDITIONAL RAINFALL AMOUNTS OF 1 INCH OR MORE ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3646 8515 3641 8513 3641 8510 3645 8510
      3645 8502 3623 8500 3626 8545 3628 8546
      3628 8545 3630 8546 3630 8548 3646 8548
      3648 8546

$$

07

1 follow-up statement

512 
WGUS74 KOHX 300532
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1232 AM CDT TUE JUN 30 2015

TNC049-133-300540-
/O.EXP.KOHX.FF.W.0004.000000T0000Z-150630T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FENTRESS TN-OVERTON TN-
1232 AM CDT TUE JUN 30 2015

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN FENTRESS AND OVERTON
COUNTIES HAS EXPIRED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO 
POSE A THREAT.  HOWEVER...ADDITIONAL SCATTERED SHOWERS AND 
THUNDERSTORMS ARE EXPECTED TO CONTINUE OVERNIGHT.

LAT...LON 3646 8515 3641 8513 3641 8510 3645 8510
      3645 8502 3623 8500 3626 8545 3628 8546
      3628 8545 3630 8546 3630 8548 3646 8548
      3648 8546

$$

HURLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 7:03 PM CDT	Special Weather Statement	OHX	Cheatham	42 min
Jun 29, 7:16 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson	44 min
Jun 29, 7:27 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	33 min
Jun 29, 7:38 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson	52 min
Jun 29, 7:48 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	42 min
Jun 29, 8:02 PM CDT	Special Weather Statement	OHX	Davidson	43 min
Jun 29, 8:12 PM CDT	Special Weather Statement	OHX	Davidson, Wilson	48 min
Jun 29, 8:31 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	29 min
Jun 29, 8:33 PM CDT	Special Weather Statement	OHX	Sumner	42 min
Jun 29, 9:56 PM CDT	Areal Flood Advisory	OHX	Hickman, Humphreys, Perry	3 hr
Jun 29, 10:39 PM CDT	Special Weather Statement	OHX	Lewis	51 min
Jun 29, 11:06 PM CDT	Flash Flood Warning	OHX	Hickman, Humphreys, Perry	3 hr
Jun 29, 11:31 PM CDT	Special Weather Statement	OHX	Humphreys	29 min
Jun 30, 12:46 AM CDT	Special Weather Statement	OHX	Lawrence, Wayne	59 min
Jun 30, 1:33 AM CDT	Special Weather Statement	OHX	Cumberland, White	57 min
Jun 30, 12:04 PM CDT	Special Weather Statement	OHX	White	26 min
Jun 30, 12:26 PM CDT	Severe Thunderstorm Warning	OHX	Jackson	34 min
Jun 30, 12:47 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Pickett	28 min
Jun 30, 12:53 PM CDT	Special Weather Statement	OHX	Smith	37 min
Jun 30, 1:18 PM CDT	Special Weather Statement	OHX	Pickett	42 min

Nearby

Flash Flood Warnings in Tennessee, 2015 Every flash flood warning in 2015

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.