Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 14, NWS Nashville, TN

March 17, 2002Bedford County, Marshall County, Tennessee

NWS Nashville, TN issued this flash flood warning at Mar 17, 2002, 1:23 AM CST for Bedford County, Marshall 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
Mar 17, 2002, 1:23 AM CST (07:23 UTC)
Expired
Mar 17, 2002, 4:15 AM CST
In force
3 hr
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Bedford County, TN, Marshall County, TN

The radar

The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 07:27 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, 7.4 hours before the alert went out and 71 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 00:00Z on 2002-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2002-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
209 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 170723
FFWBNA
TNC003-117-171015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
118 AM CST SUN MAR 17 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BEDFORD COUNTY IN TENNESSEE
  MARSHALL COUNTY IN TENNESSEE

* UNTIL 415 AM CST

* AT 113 AM CST...AMATEUR RADIO WEATHER SPOTTERS REPORTED FLASH      
  FLOODING OVER PORTIONS OF MARSHALL COUNTY JUST TO THE SOUTHEAST OF 
  LEWISBURG. THE ASSOCIATED BAND OF THUNDERSTORMS ARE MOVING         
  NORTHEAST AT 20 MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE                   
  NEAR...SHELBYVILLE AT 130 AM CST


$$

LAT...LON 3538 8680 3525 8665 3547 8646 3565 8654

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 8:17 PM CSTSevere Thunderstorm WarningOHXLewis, Wayne28 min
Mar 16, 10:52 PM CSTSevere Thunderstorm WarningOHXCannon, DeKalb38 min
Mar 17, 12:13 AM CSTSevere Thunderstorm WarningOHXPerry47 min
Mar 17, 4:59 PM CSTFlash Flood WarningOHXBenton, Cheatham, Davidson, Dickson, Hickman, Humphreys and 2 more3 hr
Mar 17, 5:24 PM CSTFlash Flood WarningOHXMacon, Sumner, Trousdale, Wilson3 hr

Nearby

Flash Flood Warnings in Tennessee, 2002Every 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.