Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 69, NWS Raleigh, NC

August 9, 2003Moore County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 9, 2003, 7:45 PM EDT for Moore County, North Carolina. It was in force for 75 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
Aug 9, 2003, 7:45 PM EDT (23:45 UTC)
Expired
Aug 9, 2003, 9:00 PM EDT
In force
75 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Moore County, NC

The radar

The Raleigh/Durham radar (KRAX), 98 km from the middle of the area, began a volume at 23:44 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, 11.8 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 2003-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1271 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 2003-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897Sfc1 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
1271 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KRAH 092351
FFWRAH
NCC125-100100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
745 PM EDT SAT AUG 9 2003

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN MOORE COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 900 PM EDT

* AT 745 PM EDT VERY HEAVY RAIN CONTINUED TO DEVELOP OVER SOUTHERN 
MOORE COUNTY. TWO TO THREE INCHES OF RAIN HAVE FALLEN OVER PORTIONS 
OF SOUTHERN MOORE COUNTY AROUND ABERDEEN DURING THE PAST COUPLE OF 
HOURS. AN ADDITIONAL ONE TO TWO INCHES ARE POSSIBLE THROUGH 900 PM.
FLOODING HAS BEEN REPORTED ON ROUTES 15 AND 501 AND 211 AROUND 
ABERDEEN.


* SOME AREAS AFFECTED INCLUDE...FOXFIRE...TAYLORTOWN...PINEHURST...
  ABERDEEN. SOME STREAMS AFFECTED INCLUDE DROWNING CREEK...DEEP      
  CREEK...AND HORSE CREEK

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING 
WATER SHOULD BE ABANDONED. BE ESPECIALLY CAUTIOUS DRIVING AT NIGHT 
WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH 
FLOODS. NEVER ALLOW CHILDREN TO PLAY NEAR STORM DRAINS OR NEAR 
FLOODED CREEKS AND STREAMS. 

$$

13
1 follow-up statement
000 
WGUS72 KRAH 100017
FFSRAH
NCC125-100115-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
813 PM EDT SAT AUG 9 2003

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR SOUTHERN MOORE 
COUNTY UNTIL 900 PM...

THUNDERSTORMS PRODUCING HEAVY DOWNPOURS CONTINUE TO DEVELOP AND MOVE 
NORTH INTO SOUTHERN MOORE COUNTY. UP TO 3 INCHES OF RAIN HAVE FALLEN 
SINCE 500 PM...AND AN ADDITIONAL 1 TO 2 INCHES ARE POSSIBLE THROUGH 
900 PM.

SOME AREAS AFFECTED INCLUDE...FOXFIRE...TAYLORTOWN...PINEHURST...  
ABERDEEN. SOME STREAMS AFFECTED INCLUDE DROWNING CREEK...DEEP        
CREEK...AND HORSE CREEK.

FLOODING WILL BE MORE DIFFICULT TO SEE NOW THAT THE SUN HAS SET.
NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED.

NEVER ALLOW CHILDREN TO PLAY NEAR STORM DRAINS OR NEAR FLOODED CREEKS
AND STREAMS. 

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:08 PM EDTFlash Flood WarningRAHFranklin2 hr
Aug 8, 8:26 PM EDTFlash Flood WarningRAHLee2 hr
Aug 8, 8:27 PM EDTFlash Flood WarningRAHWake2 hr
Aug 8, 10:17 PM EDTFlash Flood WarningRAHFranklin88 min
Aug 9, 6:15 PM EDTFlash Flood WarningRAHMoore90 min
Aug 9, 7:58 PM EDTFlash Flood WarningRAHAlamance2 hr

Nearby

Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003

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.