Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 68, NWS Raleigh, NC

August 9, 2003Moore County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 9, 2003, 6:15 PM EDT for Moore County, North Carolina. It was in force for 90 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, 6:15 PM EDT (22:15 UTC)
Expired
Aug 9, 2003, 7:45 PM EDT
In force
90 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 22:15 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, 10.3 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 092217
FFWRAH
NCC125-092345-

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

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

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

* UNTIL 745 PM EDT

* AT 615 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER EASTERN MOORE COUNTY.

* THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING ALONG ROUTES 15 AND 
501...WHICH INCLUDES VASS...SOUTHERN PINES...AND ABERDEEN.

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. DO NOT DRIVE ONTO FLOODED ROADS.

NEVER ALLOW CHILDREN TO PLAY NEAR STORM DRAINS OR NEAR FLOODED CREEKS
AND STREAMS. EXCESSIVE RUNOFF WILL CREATE RAPIDLY FLOWING WATER THAT
CAN EASILY SWEEP A CHILD DOWNSTREAM. THE BANKS OF MANY CREEKS AND
STREAM MAY ALSO BE WEAENED AND PRONE TO COLLAPSE.


$$

13
1 follow-up statement
000 
WGUS72 KRAH 092312
FFSRAH
NCC125-092345-

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

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR EASTERN MOORE 
COUNTY THOUGH 745 PM...

EMERGENCY OFFICIALS REPORT THAT POTENTIALLY SERIOUS FLOODING WAS 
OCCURRING ON CRANE CREEK AND THE LOWER LITTLE RIVER EAST OF VASS.
UP TO 3 INCHES OF RAIN HAVE FALLEN OVER EASTERN MOORE COUNTY... 
GENERALLY ALONG AND EAST OF THE ROUTE 15 AND 501 CORRIDOR. 
ADDITIONAL HEAVY DOWNPOURS MAY BE EXPECTED...PRODUCING UP TO AN 
ADDITIONAL INCH OF RAIN...THROUGH 800 PM.

LOCATIONS THREATENED WITH FLASH FLOODING INCLUDE...WHISPERING
PINES...VASS...SOUTHERN PINES...PINEHURST...PINEBLUFF...CAMERON...
ABERDEEN.

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. DO NOT LET CHILDREN PLAY IN FLOODED 
AREAS. DRIVERS SHOULD USE EXTREME CAUTION...DO NOT DRIVE ONTO ROADS 
WHICH ARE COVERED BY FLOODWATERS.

THE FLASH FLOOD WARNING MAY BE EXTENDED...STAY TUNED TO NOAA WEATHER 
RADIO OR LOCAL MEDIA FOR THE LATEST INFORMATION.

$$

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, 7:45 PM EDTFlash Flood WarningRAHMoore75 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.