Alert archive / Tennessee / Flash Flood Warnings in 1998

Flash Flood Warning 21, NWS Morristown, TN

February 3, 1998Hamilton County, Tennessee

NWS Morristown, TN issued this flash flood warning at Feb 3, 1998, 11:53 AM EST for Hamilton County, Tennessee. It was in force for 12 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
Feb 3, 1998, 11:53 AM EST (16:53 UTC)
Expired
Feb 4, 1998, 12:00 AM EST
In force
12 hr
Issued by
NWS Morristown, TN
Area
Whole counties

County Hamilton County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.9 hours before the alert went out and 167 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 1998-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-29 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 
TTAA00 KMRX 031705
FFWMRX
TNC029-065-171-179-040500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN
1153 AM EST TUE FEB 3 1998
 
THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST TENNESSEE
 
   THE SOUTH CHICKAMAUGA CREEK IN HAMILTON COUNTY...
 
   THE FRENCH BROAD RIVER IN COCKE COUNTY...
 
   THE NOLICHUCKY RIVER IN UNICOI COUNTY AND WASHINGTON COUNTY.
 
HEAVY RAINS IN THE SOUTH CHICKAMAUGA CREEK BASIN WILL CAUSE THAT CREEK
TO REACH FLOOD STAGE WEDNESDAY MORNING. HEAVY RAINS AND SNOW ON TOP OF
SNOWPACK IN THE MOUNTAINS OF TENNESSEE AND NORTH CAROLINA WILL CAUSE THE
NOLICHUCKY RIVER AND THE FRENCH BROAD RIVER TO REACH FLOOD STAGE TUESDAY
NIGHT AND WEDNESDAY.
 
FOR THE SOUTH CHICKAMAUGA CREEK AT CHICKAMAUGA...TENNESSEE...FLOOD STAGE
IS 18 FEET.  THE RIVER IS EXPECTED TO REACH FLOOD STAGE AROUND 10 AM EST
WEDNESDAY MORNING. IT IS EXPECTED TO CREST NEAR 20 FEET AROUND 11 PM EST
WEDNESDAY NIGHT.  AT 18 FEET WATER BEGINS TO CROSS MACK SMITH ROAD IN
THE EASTRIDGE AREA...AND THE CONFLUENCE OF THE SOUTH AND WEST
CHICKAMAUGA CREEKS FLOODS.  AT 19 FEET FLOODING OF MACK SMITH ROAD BECOM
A DETERRANT TO TRAVEL.  AT 20 FEET MACK SMITH ROAD IS CLOSED AND WATER
CROSSES THE LOVELL FIELD LOOP AROUND THE NORTH END OF THE AIRPORT
RUNWAY.  AT LOWER STAGES...FLOODING CAN BECOME A PROBLEM ON THE WEST
CHICKAMAUGA CREEK AND SPRING CREEK IN THE EASTRIDGE AREA.
 
FOR THE FRENCH BROAD RIVER NEAR NEWPORT...TENNESSEE...FLOOD STAGE IS 10
FEET.  THE RIVER IS EXPECTED TO REACH FLOOD STAGE AROUND 8 PM EST
TUESDAY NIGHT.  IT IS EXPECTED TO CREST NEAR 14 FEET AROUND 4 PM EST
WEDNESDAY AFTERNOON.  AT FLOOD STAGE WATER FLOODS AGRICULTURAL LAND
AROUND HIGHWAY 321 WHERE IT CROSSES THE RIVER.  THE ROADWAY IS NOT
AFFECTED.  MORE AGRICULTURAL FLOODING OCCURS AT 14 FEET...HOWEVER THE
RIVER QUICKLY FLOWS INTO DOUGLAS LAKE JUST DOWNSTREAM FROM THE GAGE.
 
FOR THE NOLICHUCKY RIVER AT EMBREEVILLE...TENNESSEE...FLOOD STAGE IS 12
FEET.  THE RIVER IS EXPECTED TO REACH FLOOD STAGE AROUND 7 AM EST
WEDNESDAY MORNING.  AT THIS STAGE FLOODING OF AGRICULTURAL LANDS OCCURS
NEAR THE GAGE.  HOWEVER...AT LOWER STAGES...THE LOCATIONS OF CHESTOA...
UNAKA SPRINGS...AND THE WEST PARTS OF BANNER HILL IN UNICOI COUNTY
EXPERIENCE FLOODING.
 
PLEASE NOTE!  THE FORECAST FOR THE NOLICHUCKY RIVER DEPENDS ON ALL
PRECIPITATION FALLING INTO THE UPPER REACHES OF THE RIVER IN THE
MOUNTAINS AND IN NORTH CAROLINA BEING IN THE FORM OF SNOW.  IF THE
PRECIPITATION FALLING INTO THE NOLICHUCKY BASIN IS ALL RAIN...THE FOLLOW
GFORECAST APPLIES:
 
THE RIVER WOULD REACH FLOOD STAGE OF 12 FEET AROUND 2 AM EST WEDNESDAY
MORNING...AND CREST NEAR 15.5 FEET AROUND 7 AM EST WEDNESDAY.   AT THIS
STAGE...MORE EXTENSIVE FLOODING OF THE COMMUNITIES OF CHESTOA...UNAKA
SPRINGS...AND BANNER HILL WOULD OCCUR.
 
THE FOLLOWING RIVERS ARE EXPECTED TO RISE WITHIN THEIR BANKS BUT NOT
REACH FLOOD STAGE.
 
THE CLINCH RIVER ABOVE TAZEWELL...TENNESSEE RISES TO 10.5 FEET ON
THURSDAY. FLOOD STAGE IS 12 FEET.  THE NORTH HOLSTON RIVER AT GATE
CITY...VIRGINIA RISES TO 9.7 FEET ON THURSDAY. FLOOD STAGE IS 12 FEET.
THE LITTLE PIGEON RIVER AT SEVIERVILLE...TENNESSEE RISES TO 10 FEET ON
WEDNESDAY.  FLOOD STAGE IS 11 FEET.
 
IF ANY OF THESE OR OTHER RIVERS FLOOD SOONER OR HIGHER THAN EXPECTED...
GET TO A SAFER PLACE IMMEDIATELY THEN CALL YOUR LOCAL LAW ENFORCEMENT OR
EMERGENCY MANAGEMENT OFFICIALS AND THEY WILL RELAY THAT INFORMATION TO
THE NATIONAL WEATHER SERVICE.
 
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.
 
BOYD

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 11:53 AM ESTFlash Flood WarningMRXUnicoi, Washington12 hr
Feb 3, 11:53 AM ESTFlash Flood WarningMRXCocke12 hr

Nearby

Flash Flood Warnings in Tennessee, 1998Every flash flood warning in 1998

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.