Alert archive / Tennessee / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Morristown, TN

April 3, 20004 counties in Tennessee

NWS Morristown, TN issued this flash flood warning at Apr 3, 2000, 4:30 PM CDT for 4 counties in Tennessee. It was in force for 6 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
Apr 3, 2000, 4:30 PM CDT (21:30 UTC)
Expired
Apr 3, 2000, 10:30 PM CDT
In force
6 hr
Issued by
NWS Morristown, TN
Area
Whole counties

Counties Bledsoe County, TN, Hamilton County, TN, Rhea County, TN, Sequatchie County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.5 hours before the alert went out and 150 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 2000-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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 2000-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
78 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 KMRX 032137
FFWMRX
TNC007-065-143-153-040330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
530 PM EDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BLEDSOE COUNTY IN EASTERN TENNESSEE
  HAMILTON COUNTY IN EASTERN TENNESSEE
  RHEA COUNTY IN EASTERN TENNESSEE
  SEQUATCHIE COUNTY IN EASTERN TENNESSEE

* UNTIL 1130 PM EDT(1030 PM CDT)

* AT 530 PM EDT (430 PM CDT)...LAW ENFORCEMENT REPORTED NUMEROUS 
AREAS IN HAMILTON COUNTY ARE EXPERIENCING FLASH FLOODING. FLASH 
FLOODING WILL ALSO OCCUR IN BLEDSOE...RHEA AND SEQUATCHIE COUNTIES. 
THE AREA OF RAIN PRODUCING THE FLASH FLOOD WAS MOVING NORTHEAST AT 
30 MPH.

*THIS WARNING REPLACES THE PREVIOUS URBAN AND SMALL STREAM FLOOD 
ADVISORY FOR BLEDSOE...HAMILTON...RHEA AND SEQUATCHIE COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE SPRING CITY...SODDY-DAISY...SIGNAL
  MOUNTAIN...SALE CREEK...PALIO...OLD WASHINGTON...OLD CUMBERLAND...
  MOUNT CREST...MIDDLE VALLEY...MELVINE...LONE OAK...GRAYSVILLE...
  GRANDVIEW...EVENSVILLE AND BRAYTON.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY COUNTRY
ROADS...FARMLANDS...AND OTHER LOW LYING AREAS THAT ARE SUBJECT TO
FLASH FLOODING. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS
IF WATER COVERS THE ROADWAY.

DURING HEAVY RAINS...KEEP CHILDREN AWAY FROM STORM DRAINS...WATER
CATCHMENTS...AND WATERWAYS. SHALLOW...GENTLY FLOWING WATER CAN BECOME
A RAGING TORRENT IN A MATTER OF MINUTES.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

$$

SON/HSA/BB

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.