Alert archive / North Carolina / Flash Flood Warnings in 2004

Flash Flood Warning 45, NWS Raleigh, NC

September 8, 2004Davidson County, Randolph County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 8, 2004, 8:00 AM EDT for Davidson County, Randolph County, North Carolina. 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 outline as issued.

The facts

Issued
Sep 8, 2004, 8:00 AM EDT (12:00 UTC)
Expired
Sep 8, 2004, 11:00 AM EDT
In force
3 hr
Issued by
NWS Raleigh, NC
Area
Counties, with a storm outline in the text

Counties Davidson County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 137 km from the middle of the area, began a volume at 12:00 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.0 hours before the alert went out and 35 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, Greensboro/Hi Pt, NC at 12:00Z on 2004-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 835 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, Greensboro/Hi Pt, NC at 12:00Z on 2004-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 square meters per square second.193958Sfc1 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
835 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KRAH 081204
FFWRAH
NCC057-151-081500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
800 AM EDT WED SEP 8 2004

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RANDOLPH COUNTY IN CENTRAL NORTH CAROLINA
  DAVIDSON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 1100 AM EDT

* AT 800 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY
  HEAVY RAIN OVER EASTERN DAVIDSON AND WESTERN RANDOLPH COUNTIES. A  
  BAND OF HEAVY RAIN EXTENDING FROM THOMASVILLE TO NEAR ALBEMARLE    
  WILL MOVE NORTH ACROSS THE AREA CAUSING FLOODING THIS MORNING.     
  ANOTHER BAND OF HEAVY RAIN WILL MOVE NORTH ACROSS STANLY COUNTY    
  REACHING THE AREA SHORTLY AFTER 9AM. HEAVY RAINFALL RATES AROUND   
  1 INCH PER HOUR CAN BE EXPECTED. RANDOLPH STREET IN THOMASVILLE IS 
  ALREADY BEING CLOSED DUE TO FLOODING.


* SLOW MOVING THUNDERSTORMS WILL PRODUCE FLOODING AROUND...
  ARCHDALE...
  DENTON...
  FAIR GROVE...
  GLENOLA...
  GUM TREE...
  LASSITER MILL...
  MOTLETA...
  THOMASVILLE...
  ULAH...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER IS USUALLY DEEPER
THAN IT APPEARS. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO
SWEEP MOST VEHICLES OFF THE ROAD. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED.

LAT...LON 3592 7990 3551 7980 3551 8018 3600 8021

$$

04
1 follow-up statement
000 
WGUS72 KRAH 081326
FFSRAH
NCC057-151-081500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
922 AM EDT WED SEP 8 2004

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR EASTERN DAVIDSON AND
WESTERN RANDOLPH COUNTIES UNTIL 11 AM...

AT 919 AM EDT DOPPLER RADAR INDICATED ANOTHER BAND OF HEAVY RAIN 
MOVING NORTH INTO DAVIDSON AND WESTERN RANDOLPH COUNTIES. THIS BAND 
OF HEAVY RAIN EXTENDED FROM DENTON SOUTH TO WADESBORO AND WAS MOVING 
NORTH AT 30 MPH. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE 
EXPECTED TO CAUSE FLOODING ESPECIALLY FROM DENTON AND MARTHA NORTH 
TO THOMASVILLE. THIS SECOND BAND OF HEAVY RAIN WILL REACH 
THOMASVILLE SHORTLY AFTER 10 AM.

LOCATIONS THREATENED WITH FLASH FLOODING 
INCLUDE...DENTON...THOMASVILLE...AND ASHEBORO.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER IS USUALLY DEEPER
THAN IT APPEARS. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO
SWEEP MOST VEHICLES OFF THE ROAD. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED.

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT
ROADS AND FLOODING NEARBY LOW AREAS. THOSE LIVING IN FLOOD PRONE
AREAS OR NEARBY FLOODING CREEKS AND STREAM SHOULD MOVE TO HIGHER
GROUND IMMEDIATELY.

$$

04

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 4:39 AM EDTTornado WarningRAHHoke36 min
Sep 8, 5:02 AM EDTFlash Flood WarningRAHHoke88 min
Sep 8, 7:12 AM EDTFlash Flood WarningRAHAnson3 hr
Sep 8, 7:41 AM EDTFlash Flood WarningRAHMontgomery, Stanly3 hr
Sep 8, 8:43 AM EDTFlash Flood WarningRAHGuilford3 hr
Sep 8, 9:45 AM EDTTornado WarningRAHRichmond15 min
Sep 8, 10:21 AM EDTFlash Flood WarningRAHAnson3 hr
Sep 8, 11:02 AM EDTFlash Flood WarningRAHDavidson, Randolph, Stanly3 hr
Sep 8, 11:13 AM EDTTornado WarningRAHLee, Moore32 min
Sep 8, 11:47 AM EDTTornado WarningRAHLee13 min
Sep 8, 12:00 PM EDTFlash Flood WarningRAHGuilford3 hr
Sep 8, 12:33 PM EDTTornado WarningRAHOrange27 min
Sep 8, 1:06 PM EDTTornado WarningRAHHarnett24 min
Sep 8, 1:08 PM EDTTornado WarningRAHOrange, Person37 min
Sep 8, 1:46 PM EDTTornado WarningRAHPerson29 min
Sep 8, 3:29 PM EDTFlash Flood WarningRAHHoke91 min

Nearby

Flash Flood Warnings in North Carolina, 2004Every flash flood warning in 2004

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.