Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 18, NWS Nashville, TN

July 7, 2016Cheatham County, Montgomery County, Stewart County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 7, 2016, 3:27 AM CDT for Cheatham County, Montgomery County, Stewart County, Tennessee. It was in force for 6 hr. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 7, 2016, 3:27 AM CDT (08:27 UTC)
Expired: Jul 7, 2016, 9:30 AM CDT
In force: 6 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Cheatham County, TN, Montgomery County, TN, Stewart County, TN

The radar

The Ft Campbell radar (KHPX), 40 km from the middle of the area, began a volume at 08:26 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.

What was reported inside it

Time	Report	Where	Remark
Jul 7, 3:41 AM CDT	FLASH FLOOD	Clarksville, TN	SEVERAL AREAS ACROSS THE COUNTY HAVE ROADS THAT ARE IMPASSABLE DUE TO FLOODING.
Jul 7, 3:55 AM CDT	FLASH FLOOD	Big Rock, TN	RESIDENTS TRAPPED IN HOMES WITH WATER RESCUE ATTEMPTS UNDERWAY.
Jul 7, 5:55 AM CDT	HEAVY RAIN 4.7	3 Sse Clarksville, TN	4.71 INCHES OF RAIN MEASURED IN THE LAST 4.5 HOURS.
Jul 7, 5:57 AM CDT	FLASH FLOOD	4 Nne Dover, TN	HIGHWAY 79 FLOODED AND IMPASSABLE NEAR STEWART COUNTY HIGH SCHOOL
Jul 7, 6:00 AM CDT	HEAVY RAIN 4.75	6 Nnw Woodlawn, TN	24 HOUR RAINFALL TOTAL AT FORT CAMPBELL RAWS SITE
Jul 7, 6:00 AM CDT	HEAVY RAIN 5.29	6 Nnw Woodlawn, TN	24 HOUR RAINFALL TOTAL AT FORT CAMPBELL RAWS SITE
Jul 7, 6:32 AM CDT	FLASH FLOOD	Clarksville, TN	WATER REPORTEDLY IN HOMES IN CLARKSVILLE. SPECIFIC LOCATIONS UNKNOWN
Jul 7, 7:00 AM CDT	FLASH FLOOD	Big Rock, TN	DELAYED REPORT. TEMA REPORTED 20 HOMES DESTROYED...7 HOMES WITH MAJOR DAMAGE...4 PUBLIC BUILDINGS DESTROYED OR DAMAGED...1 DAY CARE DESTROYED AND 1 RESTAURANT DAMAGED...MAINLY IN THE BIG ROCK AND BUMPUS MILLS AREAS. SEVERAL ROADS FLOODED OR WASHED OUT.
Jul 7, 8:35 AM CDT	HEAVY RAIN 6.67	8 Nne Dover, TN	24 HOUR RAIN TOTAL OF 6.67 INCHES MEASURED BY COCORAHS OBSERVER
Jul 7, 8:53 AM CDT	FLASH FLOOD	6 Ne Dover, TN	FLOODING IN THE BIG ROCK AREA. SEVERAL HOUSES IN WATER AND WATER OF UNKNOWN DEPTH COVERING HIGHWAY 79.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.5 hours before the alert went out and 96 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: 3 J/kg
Mixed-layer CIN: -461 J/kg
Mixed-layer LCL: 1413 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

197 
WGUS54 KOHX 070827
FFWOHX
TNC021-125-161-071430-
/O.NEW.KOHX.FF.W.0018.160707T0827Z-160707T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
327 AM CDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STEWART COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN CHEATHAM COUNTY IN MIDDLE TENNESSEE...
  MONTGOMERY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 930 AM CDT THURSDAY

* AT 325 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. THREE INCHES OF RAIN OR MORE
  HAS ALREADY FALLEN WITH ADDITIONAL RAINFALL AMOUNTS THROUGH THE
  MORNING HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CLARKSVILLE...DOVER...BIG ROCK...CUMBERLAND CITY...PALMYRA...
  WOODLAWN...INDIAN MOUND...CUNNINGHAM...AND LAND BETWEEN THE LAKES.

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.

&&

LAT...LON 3666 8785 3663 8785 3664 8728 3628 8709
      3629 8716 3631 8716 3631 8721 3633 8723
      3631 8730 3644 8805 3645 8806 3656 8803
      3668 8807

$$

05

2 follow-up statements

486 
WGUS74 KOHX 070900
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
400 AM CDT THU JUL 7 2016

TNC021-125-161-071430-
/O.CON.KOHX.FF.W.0018.000000T0000Z-160707T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEWART TN-CHEATHAM TN-MONTGOMERY TN-
400 AM CDT THU JUL 7 2016

...THIS IS A FLASH FLOOD EMERGENCY FOR STEWART AND MONTGOMERY
COUNTIES...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
STEWART...NORTHWESTERN CHEATHAM AND MONTGOMERY COUNTIES...

AT 355 AM CDT...REPORTS OF WATER RESCUES AND HOMES BEING FLOODED
HAVE BEEN REPORTED IN STEWART COUNTY WHERE AS MUCH AS 7 INCHES OF
RAIN HAS FALLEN...ESPECIALLY NEAR BIG ROCK AND NEAR LAND BETWEEN THE
LAKES. IN MONTGOMERY COUNTY...AREAS NORTHWEST OF CLARKSVILLE ARE
IMPACTED INCLUDING THE FORT CAMPBELL ARMY POST.

THIS IS A FLASH FLOOD EMERGENCY FOR STEWART AND ROBERTSON COUNTIES.
THIS IS A PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CLARKSVILLE...DOVER...BIG ROCK...CUMBERLAND CITY...PALMYRA...
WOODLAWN...INDIAN MOUND...CUNNINGHAM...
LAND BETWEEN THE LAKES AND CHEATHAM DAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND
LIFE-THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

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.

&&

LAT...LON 3666 8785 3663 8785 3664 8728 3628 8709
      3629 8716 3631 8716 3631 8721 3633 8723
      3631 8730 3644 8805 3645 8806 3656 8803
      3668 8807

$$

05

521 
WGUS74 KOHX 071000
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
500 AM CDT THU JUL 7 2016

TNC021-125-161-071430-
/O.CON.KOHX.FF.W.0018.000000T0000Z-160707T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEWART TN-CHEATHAM TN-MONTGOMERY TN-
500 AM CDT THU JUL 7 2016

...THIS IS A FLASH FLOOD EMERGENCY FOR STEWART AND MONTGOMERY
COUNTIES...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
STEWART...NORTHWESTERN CHEATHAM AND MONTGOMERY COUNTIES...

AT 456 AM CDT...HEAVY RAIN IS CAUSING FLASH FLOODING IN THE WARNED
AREA...AND DANGEROUS FLASH FLOODING IS OCCURRING IN PORTIONS OF
STEWART AND MONTGOMERY COUNTIES. AS MUCH AS 6 TO 8 INCHES OF RAIN
HAS FALLEN NEAR LAND BETWEEN THE LAKES...BUMPUS MILLS...BIG
ROCK...AND FORT CAMPBELL...AND A FLASH FLOOD EMERGENCY IS IN EFFECT
FOR THESE LOCATIONS.

THIS IS A FLASH FLOOD EMERGENCY FOR STEWART AND MONTGOMERY COUNTIES.
THIS IS A PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CLARKSVILLE...DOVER...BIG ROCK...CUMBERLAND CITY...PALMYRA...
WOODLAWN...INDIAN MOUND...CUNNINGHAM...
LAND BETWEEN THE LAKES AND CHEATHAM DAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND
LIFE-THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

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.

&&

LAT...LON 3666 8785 3663 8785 3664 8728 3628 8709
      3629 8716 3631 8716 3631 8721 3633 8723
      3631 8730 3644 8805 3645 8806 3656 8803
      3668 8807

$$

05

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 10:26 PM CDT	Flash Flood Watch	OHX	Cannon, Cheatham, Clay, Cumberland, Davidson, DeKalb and 22 more	20 hr
Jul 7, 12:01 AM CDT	Special Weather Statement	OHX	Robertson, Sumner	44 min
Jul 7, 12:27 AM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	33 min
Jul 7, 1:02 AM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Macon, Montgomery, Robertson, Sumner and 1 more	6 hr
Jul 7, 1:15 AM CDT	Special Weather Statement	OHX	Robertson, Sumner	45 min
Jul 7, 1:42 AM CDT	Special Weather Statement	OHX	Cheatham, Montgomery, Robertson	33 min
Jul 7, 2:11 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	34 min
Jul 7, 2:44 AM CDT	Special Weather Statement	OHX	Wilson	46 min
Jul 7, 3:12 AM CDT	Special Weather Statement	OHX	DeKalb, Jackson, Putnam, Van Buren, Warren, White	33 min
Jul 7, 3:18 AM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam, Van Buren, Warren, White	27 min
Jul 7, 3:36 AM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Rutherford, Sumner, Trousdale, Wilson	6 hr
Jul 7, 4:47 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Williamson, Wilson	28 min
Jul 7, 5:39 AM CDT	Flash Flood Warning Emergency	OHX	Stewart	3 hr
Jul 7, 5:43 AM CDT	River Flood Warning	OHX	Davidson	10 hr
Jul 7, 6:23 AM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson, Houston, Montgomery, Williamson	4 hr
Jul 7, 6:45 AM CDT	Special Weather Statement	OHX	Rutherford	30 min
Jul 7, 6:55 AM CDT	Flash Flood Warning	OHX	Davidson, Rutherford, Williamson	4 hr
Jul 7, 6:55 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford, Williamson	35 min
Jul 7, 7:13 AM CDT	Areal Flood Warning	OHX	Cheatham, Davidson, Macon, Montgomery, Robertson, Rutherford and 4 more	6 hr
Jul 7, 7:18 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Rutherford	27 min
Jul 7, 7:37 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Grundy	38 min
Jul 7, 9:29 AM CDT	Areal Flood Warning	OHX	Montgomery, Stewart	3 hr
Jul 7, 9:43 AM CDT	River Flood Warning	OHX	Montgomery, Robertson	46 hr
Jul 7, 9:46 AM CDT	River Flood Advisory	OHX	Montgomery	25 hr
Jul 7, 9:46 AM CDT	River Flood Advisory	OHX	Stewart	13 hr
Jul 7, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	31 min
Jul 7, 2:38 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner	37 min
Jul 7, 3:09 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale, Wilson	36 min
Jul 7, 3:13 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner, Wilson	32 min
Jul 7, 3:20 PM CDT	Areal Flood Advisory	OHX	Macon, Robertson, Smith, Sumner, Trousdale, Wilson	3 hr
Jul 7, 3:32 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Overton, Putnam, Smith and 1 more	43 min
Jul 7, 3:35 PM CDT	Areal Flood Advisory	OHX	Clay, Jackson, Macon, Overton, Pickett, Smith and 1 more	3 hr
Jul 7, 3:41 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Smith, Trousdale, Wilson	34 min
Jul 7, 3:48 PM CDT	Special Weather Statement	OHX	Wilson	42 min
Jul 7, 4:02 PM CDT	Areal Flood Advisory	OHX	Cumberland, Fentress, Jackson, Overton, Pickett, Putnam and 1 more	3 hr
Jul 7, 4:02 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	43 min
Jul 7, 4:11 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, White	34 min
Jul 7, 4:14 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, DeKalb, Putnam, Smith, Van Buren, White	31 min
Jul 7, 4:44 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren, White	46 min
Jul 7, 4:50 PM CDT	Special Weather Statement	OHX	Warren	40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.