Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 9, NWS Greenville-Spartanburg, SC

July 8, 2002Swain County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 8, 2002, 10:07 PM EDT for Swain County, North Carolina. It was in force for 113 min. 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 8, 2002, 10:07 PM EDT (02:07 UTC)
Expired
Jul 9, 2002, 12:00 AM EDT
In force
113 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Swain County, NC

The radar

The Knoxville radar (KMRX), 76 km from the middle of the area, began a volume at 02:07 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 00:00Z, 2.1 hours before the alert went out and 253 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 00:00Z on 2002-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Peachtre/Fal Fld, GA at 00:00Z on 2002-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
6 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1771 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-28 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 
WGUS52 KGSP 090207
FFWGSP
NCC173-090400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1006 PM EDT MON JUL 8 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN SWAIN COUNTY IN WESTERN NORTH CAROLINA

* UNTIL MIDNIGHT EDT

* AT 956 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED        
  NEARLY STATIONARY SHOWERS AND THUNDERSTORMS ACROSS WESTERN SWAIN 
  COUNTY...COVERING ALMOST ALL OF FONTANA LAKE...TO FRANKLIN GROVE.  
  THE HEAVIEST RAIN HAD SHIFTED TO THE WESTERN HALF OF FONTANA       
  LAKE...WHERE AN AUTOMATED RAIN GAGE NEAR THE FONTANA DAM HAS       
  REPORTED OVER 3 INCHES OF RAIN SINCE 8 PM. RAINFALL OF THIS        
  MAGNITUDE IS MORE THAN SUFFICIENT TO PRODUCE FLASH FLOODING.

  RAINFALL INTENSITY HAS BEEN GRADUALLY DIMINISHING...BUT THE        
  RAINFALL AMOUNTS CONTINUE TO ADD UP. THIS IS THE PEAK TOURIST      
  SEASON IN THIS PART OF SWAIN COUNTY...WITH NUMEROUS CAMPERS AND    
  OUTDOOR ENTHUSIASTS. THOSE CAMPING NEAR STREAMS AND CREEKS IN THE  
  VICINITY OF FONTANA LAKE SHOULD KEEP FREQUENT CHECKS ON NEARBY
  STREAMS AND CREEKS UNTIL THIS RAINFALL EVENT IS OVER.

* CAMPERS...HIKERS AND THOSE WITH OUTDOOR INTERESTS SHOULD MONITOR
  WATER LEVELS FREQUENTLY...AND BE PREPARED TO MOVE TO HIGHER GROUND
  IF FLOODING IS OBSERVED OR APPEARS IMMINENT.

$$

BURRUS
1 follow-up statement
000 
WGUS72 KGSP 090316
FFSGSP
NCC173-090400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1115PM EDT MON JUL 8 2002

...FLASH FLOOD WARNING CONTINUES FOR WESTERN SWAIN COUNTY UNTIL 
MIDNIGHT...

AT 1110 PM...WEATHER RADAR SHOWED THE CLUSTER OF NEARLY STATIONARY 
SHOWERS AND THUNDERSTORMS OVER WESTERN SWAIN COUNTY...IN THE 
VICINITY OF FONTANA LAKE...BREAKING UP AND SINKING SOUTH INTO GRAHAM 
COUNTY. AN AUTOMATED RAIN GAGE NEAR FONTANA DAM HAS RECORDED 4.96 
INCHES OF RAIN SINCE 8 PM. THE RAINFALL IS EXPECTED TO GRADUALLY 
TAPER OFF IN THE NEXT COUPLE OF HOURS.

COUNTY OFFICIALS HAVE VISITED THE FLOOD WARNING AREA AND INDICATED 
NO FLOODING HAD YET BEEN OBSERVED. CAMPERS IN THE VICINITY OF 
FONTANA LAKE HAD BEEN MADE AWARE OF THE SITUATION BY A PERSONAL 
CANVAS. THE RAINFALL IS EXPECTED TO GRADUALLY TAPER OFF IN THE NEXT 
COUPLE OF HOURS.

CAMPERS NEAR STREAMS AND CREEKS SHOULD KEEP AN EYE ON THE WEATHER 
AND STREAM CONDITIONS. PEOPLE ALONG STREAMS SHOULD BE READY FOR 
FLOODING BY MOVING TO HIGHER GROUND NOW. MOTORISTS WHO ENCOUNTER 
SUDDEN STANDING WATER SHOULD STOP IMMEDIATELY...AND FIND AN 
ALTERNATE ROUTE TO REACH THEIR DESTINATION SAFELY. DO NOT DRIVE INTO 
AREAS WHERE WATER COVERS THE ROADWAY.

$$

BURRUS

Nearby

Flash Flood Warnings in North Carolina, 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.