Alert archive / Tennessee / Flash Flood Warnings in 2001

Flash Flood Warning 4, NWS Morristown, TN

July 3, 2001Carter County, Tennessee

NWS Morristown, TN issued this flash flood warning at Jul 3, 2001, 2:45 PM EDT for Carter 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 3, 2001, 2:45 PM EDT (18:45 UTC)
Expired: Jul 3, 2001, 5:45 PM EDT
In force: 3 hr
Issued by: NWS Morristown, TN
Area: Whole counties

County Carter County, TN

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.8 hours before the alert went out and 201 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: 12 J/kg
Mixed-layer CIN: -339 J/kg
Mixed-layer LCL: 508 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 155 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 031848
FFWMRX
TNC019-032145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
245 PM EDT TUE JUL 3 2001

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARTER COUNTY IN EAST TENNESSEE

* UNTIL 545 PM EDT

* AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A THUNDERSTORM WITH VERY HEAVY RAIN NEAR ELIZABETHTON...AND 
  ANOTHER FROM RIPSHIN LAKE TO NEAR BURBANK.  THE THUNDERSTORMS 
  PRODUCING THE FLASH FLOOD WERE NEARLY STATIONARY.  RAIN RATES
  WERE BETWEEN ONE AND TWO INCHES PER HOUR.

* LOCATIONS IN THE WARNING INCLUDE...
  ELIZABETHTON...HUNTER...HAMPTON...VALLEY FORGE...ROAN MOUNTAIN

AT 230 PM EDT A TRAINED WEATHER SPOTTER REPORTED SERIOUS STREET
FLOODING IN ELIZABETHTON.

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.

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.

DO NOT ALLOW CHILDREN TO PLAY NEAR SWOLLEN CREEKS OR DITHES.

$$

LAT...LON 364g1 8219 3628 8231 3621 8220 3611 8211
          3618 8200 3634 8201

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 2:03 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	42 min
Jul 3, 2:15 PM EDT	Severe Thunderstorm Warning	MRX	Knox	30 min
Jul 3, 2:57 PM EDT	Severe Thunderstorm Warning	MRX	Polk	48 min
Jul 3, 4:15 PM EDT	Flash Flood Warning	MRX	Sullivan	3 hr

Nearby

Flash Flood Warnings in Tennessee, 2001 Every flash flood warning in 2001

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.