Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 29, NWS Nashville, TN

May 13, 200211 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at May 13, 2002, 5:57 AM CDT for 11 counties in 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 counties it named.

The facts

Issued: May 13, 2002, 5:57 AM CDT (10:57 UTC)
Expired: May 13, 2002, 8:45 AM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Cheatham County, TN, Davidson County, TN, Dickson County, TN, Hickman County, TN, Humphreys County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 24 km from the middle of the area, began a volume at 10:56 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, 11.0 hours before the alert went out and 17 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: 263 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1409 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KOHX 131057
FFWBNA
TNC021-037-043-081-085-149-159-165-169-187-189-131345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
552 AM CDT MON MAY 13 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHEATHAM COUNTY IN TENNESSEE
  DAVIDSON COUNTY IN TENNESSEE
  DICKSON COUNTY IN TENNESSEE
  HICKMAN COUNTY IN TENNESSEE
  HUMPHREYS COUNTY IN TENNESSEE
  RUTHERFORD COUNTY IN TENNESSEE
  SUMNER COUNTY IN TENNESSEE
  TROUSDALE COUNTY IN TENNESSEE
  WILLIAMSON COUNTY IN TENNESSEE
  WILSON COUNTY IN TENNESSEE
  

* UNTIL 845 AM CDT


* AT 600 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN OVER THE WARNED AREA. RADAR ESTIMATES ONE AND A HALF TO TWO 
INCHES OF RAIN HAS FALLEN IN THIS AREA IN THE PAST 3 HOURS.

* EXPECT AN ADDITIONAL INCH OF RAINFALL IN THIS AREA BEFORE RAIN BEGINS 
  TO SLACK OFF LATER THIS MORNING. SMALL STREAM AND CREEKS IN THIS AREA
  MAY COME TO BANKFULL AND FLOOD NEARBY LOW LYING AREAS.

MOTORISTS SHOULD USE CAUTION DUE TO THE POSSIBILITY OF HYDROPLANING 
AS WATER COLLECTS ON AREA ROADWAYS.

A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST
FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES,
DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. TO ESCAPE RISING WATER,
MOVE TO HIGHER GROUND.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 4:21 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	24 min
May 13, 4:35 AM CDT	Severe Thunderstorm Warning	OHX	Trousdale	25 min
May 13, 4:44 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman	46 min
May 13, 4:53 AM CDT	Severe Thunderstorm Warning	OHX	Jackson, Putnam, Smith	52 min
May 13, 5:16 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	44 min
May 13, 5:46 AM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	29 min
May 13, 6:04 AM CDT	Severe Thunderstorm Warning	OHX	Cannon	41 min
May 13, 10:01 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Robertson	29 min
May 13, 10:08 AM CDT	Severe Thunderstorm Warning	OHX	Davidson	27 min
May 13, 10:19 AM CDT	Severe Thunderstorm Warning	OHX	Williamson	41 min
May 13, 10:37 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner	28 min
May 13, 10:45 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	45 min
May 13, 11:09 AM CDT	Severe Thunderstorm Warning	OHX	Franklin	51 min

Nearby

Flash Flood Warnings in Tennessee, 2002 Every flash flood warning in 2002

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.