Alert archive / North Carolina / Flash Flood Warnings in 1997

Flash Flood Warning 2, NWS Morristown, TN

February 28, 1997Cherokee County, North Carolina

NWS Morristown, TN issued this flash flood warning at Feb 28, 1997, 2:18 PM EST for Cherokee County, North Carolina. It was in force for 4 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 28, 1997, 2:18 PM EST (19:18 UTC)
Expired
Feb 28, 1997, 6:15 PM EST
In force
4 hr
Issued by
NWS Morristown, TN
Area
Whole counties

County Cherokee County, NC

The radar

The Knoxville radar (KMRX), 130 km from the middle of the area, began a volume at 19:20 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.3 hours before the alert went out and 200 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.1939587897117Sfc1 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
328 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
478 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMRX 281918
FFWMRX
NCC039-281815-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING....FOR DAM BREAK
NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN
218 PM EST FRI FEB 28 1997
 
THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  615 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NORTH CAROLINA
 
   ...CHEROKEE COUNTY
 
THE NATIONAL WEATHER SERVICE IN MORRISTOWN, TENNESSEE HAS ISSUED A FLASH
FLOOD WARNING UNTIL 6:15 PM EST FOR POTENTIAL DAM BREAK FOR THE FROG
POND DAM ON PEACHTREE CREEK IN PEACHTREE CITY, NORTH CAROLINA.
 
THE FROG POND DAM IS AN EARTHEN DAM WITH WATER FLOWING OVER THE TOP.
THE PEACHTREE CREEK FLOWS INTO THE HIWASSEE RIVER.  RESIDENTS AND
BUSINESSES ALONG PEACHTREE CREEK SHOULD MOVE TO HIGHER GROUND
IMMEDIATELY.  THIS IS A DANGEROUS SITUATION.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBIHLES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 2:34 PM ESTFlash Flood WarningMRXCherokee4 hr

Nearby

Flash Flood Warnings in North Carolina, 1997Every flash flood warning in 1997

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.