Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 30, NWS Nashville, TN

May 17, 2002Stewart County, Tennessee

NWS Nashville, TN issued this flash flood warning at May 17, 2002, 9:20 AM CDT for Stewart 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 counties it named.

The facts

Issued: May 17, 2002, 9:20 AM CDT (14:20 UTC)
Expired: May 17, 2002, 12:15 PM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Whole counties

County Stewart County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 2.3 hours before the alert went out and 118 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: 17 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KOHX 171420
FFWBNA
TNC161-171715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
912 AM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STEWART COUNTY IN TENNESSEE

* UNTIL 1215 PM CDT

* AT 907 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
  HEAVY RAIN OVER SOUTHERN STEWART COUNTY. RADAR ESTIMATES INDICATE
  MORE THAN 4 INCHES OF RAINFALL OVER THE AREA BETWEEN HIGHWAY 49 
  AND HIGHWAY 232 IN SOUTHWEST STEWART COUNTY.

* THE HEAVY RAINFALL MAY CAUSE SMALL STREAMS AND CREEKS TO TEMPORARILY 
   OVERFLOW AND WELL AS PONDING IN LOW AREAS. MOTORISTS SHOULD BE
  CAUTIOUS ON AREA ROADWAYS DUE TO THE POSSIBILITY OF HYDROPLANING.

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. NEVER TRY TO CROSS
A FLOWING STREAM, EVEN A SMALL ONE, ON FOOT. TO ESCAPE RISING WATER,
MOVE TO HIGHER GROUND.

$$

JLM


LAT...LON 3641 8830 3625 8818 3649 8760 3672 8777

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 1:11 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon	34 min
May 17, 1:51 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	39 min
May 17, 2:48 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	27 min
May 17, 3:46 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	44 min
May 17, 4:32 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	58 min
May 17, 5:04 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	56 min
May 17, 5:11 PM CDT	Severe Thunderstorm Warning	OHX	Giles	49 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.