Alert archive / Tennessee / Flash Flood Warnings in 2015

Flash Flood Warning 7, NWS Nashville, TN

July 2, 20154 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 2, 2015, 9:06 PM CDT for 4 counties in Tennessee. It was in force for 3 hr. 3 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 2, 2015, 9:06 PM CDT (02:06 UTC)
Expired: Jul 3, 2015, 12:00 AM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Jackson County, TN, Overton County, TN, Putnam County, TN, Smith County, TN

The radar

The Nashville radar (KOHX), 109 km from the middle of the area, began a volume at 02:07 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 2, 9:42 PM CDT	FLASH FLOOD	4 Wsw Cookeville, TN	WATER RISING INTO HOME AT MEADOW WOOD DR AND BURGESS FALLS RD.
Jul 2, 10:00 PM CDT	FLASH FLOOD	11 Sw Livingston, TN	SEVERE ROAD AND TREE DAMAGE ON THOMAS ALLEN ROAD. TIME IS UNKNOWN.
Jul 2, 10:15 PM CDT	HEAVY RAIN 0	2 Ne Baxter, TN	HOUSE DAMAGE ON FALCON PT IN PROSPERITY POINT SUBDIVISION DUE TO FRONT PORCH COLLAPSING INTO A SINKHOLE.

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, 2.1 hours before the alert went out and 111 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: 958 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 811 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

296 
WGUS54 KOHX 030206
FFWOHX
TNC087-133-141-159-030500-
/O.NEW.KOHX.FF.W.0007.150703T0206Z-150703T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
906 PM CDT THU JUL 2 2015

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PUTNAM COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN SMITH COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN JACKSON COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN OVERTON COUNTY IN MIDDLE TENNESSEE...

* UNTIL MIDNIGHT CDT
    
* AT 905 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COOKEVILLE...GAINESBORO...ALGOOD...MONTEREY...BAXTER...GRANVILLE...
  RICKMAN AND CRAWFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3627 8511 3623 8510 3610 8516 3610 8525
      3605 8524 3600 8526 3598 8526 3599 8531
      3603 8531 3603 8533 3605 8538 3608 8550
      3607 8556 3606 8557 3615 8589 3638 8580

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:10 PM CDT	Special Weather Statement	OHX	Wilson	35 min
Jul 2, 7:18 PM CDT	Tornado Warning	OHX	Wilson	27 min
Jul 2, 7:28 PM CDT	Flash Flood Warning	OHX	Clay, Jackson, Overton	2 hr
Jul 2, 7:45 PM CDT	Tornado Warning	OHX	Wilson	30 min
Jul 2, 7:56 PM CDT	Special Weather Statement	OHX	Smith	34 min
Jul 2, 8:08 PM CDT	Tornado Warning Tornado observed	OHX	Smith, Wilson	22 min
Jul 2, 8:19 PM CDT	Special Weather Statement	OHX	Putnam	41 min
Jul 2, 8:36 PM CDT	Special Weather Statement	OHX	Overton	24 min
Jul 2, 9:30 PM CDT	Areal Flood Warning	OHX	Clay, Jackson, Overton	3 hr
Jul 2, 9:40 PM CDT	Flash Flood Warning	OHX	Cumberland, Putnam, White	4 hr
Jul 2, 9:50 PM CDT	Flash Flood Warning	OHX	Hickman, Humphreys, Perry	3 hr
Jul 2, 9:54 PM CDT	Flash Flood Watch	OHX	Bedford, Cannon, Clay, Coffee, Cumberland, Davidson and 17 more	57 hr
Jul 3, 12:40 AM CDT	Areal Flood Warning	OHX	Clay, Overton, Putnam	3 hr
Jul 3, 1:49 AM CDT	Flash Flood Warning	OHX	Cumberland, Putnam, White	6 hr
Jul 3, 7:07 AM CDT	Flash Flood Warning	OHX	Clay, Jackson, Macon, Overton	3 hr
Jul 3, 7:28 AM CDT	Areal Flood Advisory	OHX	Cumberland, Putnam, White	3 hr
Jul 3, 10:06 AM CDT	Areal Flood Warning	OHX	Clay, Jackson, Macon, Overton	6 hr
Jul 3, 4:45 PM CDT	Special Weather Statement	OHX	Clay, Fentress, Jackson, Macon, Overton	45 min
Jul 3, 4:51 PM CDT	Special Weather Statement	OHX	Clay, Fentress, Jackson, Macon, Overton	39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.