Alert archive / North Carolina / Flash Flood Warnings in 2004

Flash Flood Warning 39, NWS Raleigh, NC

August 30, 2004Person County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 30, 2004, 11:10 AM EDT for Person County, North Carolina. It was in force for 2 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
Aug 30, 2004, 11:10 AM EDT (15:10 UTC)
Expired
Aug 30, 2004, 1:15 PM EDT
In force
2 hr
Issued by
NWS Raleigh, NC
Area
Counties, with a storm outline in the text

County Person County, NC

The radar

The Raleigh/Durham radar (KRAX), 94 km from the middle of the area, began a volume at 15:13 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, 3.2 hours before the alert went out and 94 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 2004-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 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 2004-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -85 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
96 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-85 m²/s²
0-3 km storm-relative helicity
-10 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 KRAH 301515
FFWRAH
NCC145-301715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1110 AM EDT MON AUG 30 2004

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PERSON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 115 PM EDT

* AT 1110 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED    
  A BAND OF HEAVY SHOWERS WITH RAINFALL RATES OVER ONE INCH PER HOUR 
  EXTENDING FROM ROXBORO TO SOUTH HILL VIRGINIA. THIS BAND OF HEAVY  
  RAIN WILL CONTINUE TO MOVE ACROSS ALL OF PERSON COUNTY INCLUDING   
  ROXBORO THROUGH 1230 PM. RAINFALL ACCUMULATIONS OF OVER 3 INCHES   
  ARE POSSIBLE RESULTING IN FLOODING OF ROADS AND CREEKS.

* SLOW MOVING THUNDERSTORMS WILL PRODUCE FLOODING AROUND...
  CONCORD...
  CUNNINGHAM...
  GORDONTON...
  PEEDS STORE...
  ROXBORO...
  SURL...
  WOODSDALE...

EMERGENCY MANAGEMENT IS REPORTING A FEW ROADS BEING CLOSED IN 
ROXBORO DUE TO RISING WATER. MANY STORM DRAINS ARE BACKING UP AND 
FLOODING IS DEVELOPING RAPIDLY IN TOWN.  

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.


LAT...LON 3655 7880 3623 7880 3624 7916 3656 7915

$$

04
1 follow-up statement
000 
WGUS72 KRAH 301633
FFSRAH
NCC145-301715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1228 PM EDT MON AUG 30 2004

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR PERSON COUNTY UNTIL 
115 PM...

AT 1227 PM EDT DOPPLER RADAR INDICATED A BAND OF HEAVY RAIN 
EXTENDING FROM ROXBORO AND BETHEL HILL NORTHEAST TO SOUTH HILL 
VIRGINIA. THIS BAND OF HEAVY RAIN WILL CONTINUE  TO MOVE SOUTHWEST 
ACROSS PERSON COUNTY. AN ADDITIONAL 2 TO 3 INCHES OF RAIN IS 
POSSIBLE ACROSS THE ENTIRE COUNTY. SEVERAL ROADS IN ROXBORO 
INCLUDING MADISON ROAD AND LEESBURG ROAD ARE CLOSED. OUTSIDE OF 
TOWN SOME ROADS OVER EASTERN PERSON COUNTY ARE FLOODING. MILL CREEK 
NORTH EAST OF ROXBORO IS FLOODING BOTH MILL CREEK ROAD AND TODD 
ROAD. 

LOCATIONS THREATENED WITH FLASH FLOODING INCLUDE...WOODSDALE...
SURL...ROXBORO...PEEDS STORE...GORDONTON...CUNNINGHAM...CONCORD.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE EXPERIENCING FLOODING OR LIVE IN A FLOOD PRONE AREA MOVE
TO HIGHER GROUND IMMEDIATELY.

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. DO NOT DROWN...TURN AROUND.

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
Aug 30, 2:12 AM EDTFlash Flood WarningRAHHoke2 hr
Aug 30, 6:01 AM EDTFlash Flood WarningRAHDurham, Johnston, Wake3 hr
Aug 30, 6:23 AM EDTFlash Flood WarningRAHChatham3 hr
Aug 30, 1:16 PM EDTFlash Flood WarningRAHPerson3 hr

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.