Alert archive / Tennessee / Flash Flood Warnings in 2000

Flash Flood Warning 32, NWS Nashville, TN

July 31, 2000Lawrence County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 31, 2000, 3:12 PM CDT for Lawrence 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
Jul 31, 2000, 3:12 PM CDT (20:12 UTC)
Expired
Jul 31, 2000, 6:15 PM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Lawrence County, TN

The radar

The Northeast Alabama radar (KHTX), 124 km from the middle of the area, began a volume at 20:13 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 12:00Z, 8.2 hours before the alert went out and 124 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2000-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 806 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2000-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
806 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
58 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, in the capitals the NWS used until 2016.

000 
WGUS54 KOHX 312018
FFWOHX
TNC099-312315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
312 PM CDT MON JUL 31 2000

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN LAWRENCE COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF LAWRENCEBURG

* UNTIL 615 PM CDT

* AT 306 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
  STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL EXTENDING FROM
  6 MILES EAST OF LAWRENCEBURG TO NEAR WESTPOINT MOVING SOUTHEAST AT
  20 MPH.

* MAMY AREAS IN AND SOUTH OF LAWRENCEBURG RECEIVED BETWEEN 1 AND 2
  INCHES OF RAINFALL BETWEEN 200 PM AND 300 PM...WITH AREAS
  NEAR WESTPOINT RECEIVING MORE THAN 2.5 INCHES.

EXCESSIVE RUNOFF FROM THIS STORM COULD CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...AND ESPECIALLY LOW WATER CROSSINGS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN
DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.
$$

MAR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 7:09 PM CDTSevere Thunderstorm WarningOHXFentress, Overton36 min
Jul 30, 7:09 PM CDTSevere Thunderstorm WarningOHXCumberland36 min
Jul 31, 4:47 PM CDTFlash Flood WarningOHXWayne3 hr
Jul 31, 5:50 PM CDTSevere Thunderstorm WarningOHXCannon, DeKalb, Wilson25 min

Nearby

Flash Flood Warnings in Tennessee, 2000Every flash flood warning in 2000

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.