Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 19, NWS Raleigh, NC

August 27, 2002Halifax County, Nash County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 27, 2002, 10:41 AM EDT for Halifax County, Nash 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 counties it named.

The facts

Issued
Aug 27, 2002, 10:41 AM EDT (14:41 UTC)
Expired
Aug 27, 2002, 1:45 PM EDT
In force
3 hr
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Halifax County, NC, Nash County, NC

The radar

The Raleigh/Durham radar (KRAX), 78 km from the middle of the area, began a volume at 14:42 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, 2.7 hours before the alert went out and 187 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 2002-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 242 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 2002-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
242 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KRAH 271441
FFWRAH
NCC083-127-271745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1039 AM EDT TUE AUG 27 2002

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN NASH COUNTY IN CENTRAL NORTH CAROLINA
  HALIFAX COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 145 PM EDT

* AT 1039 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER THE WARNED AREA.

* SHOWERS WITH VERY HEAVY RAIN ARE CONTINUOUSLY REDEVELOPING OVER    
  THE WARNED AREA...RESULTING IN EXCESSIVE RAINFALL NEAR             
  AVENTON...ENFIELD...AND GLENVIEW.

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

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT
ROADS AND FLOODING NEARBY LOW AREAS.

$$

LAT...LON 3627 7747 3599 7778 3612 7803 3636 7766

DGS
2 follow-up statements
000 
WGUS72 KRAH 271642
FFSRAH
NCC083-127-271740-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1240 PM EDT TUE AUG 27 2002

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR NORTHERN NASH 
COUNTY AND HALIFAX COUNTY...

VERY HEAVY RAIN WILL BE LOCATED OVER HALIFAX COUNTY BETWEEN HALIFAX 
AND SCOTLAND NECK. RAINFALL AMOUNTS OVER TWO INCHES ARE POSSIBLE 
NEAR TILLERY BEFORE 145 PM. THESE HEAVY RAINS MAY FLOOD 
INTERSECTIONS...DITCHES AND UNDERPASSES. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

$$

DGS
000 
WGUS72 KRAH 271751
FFSRAH
NCC083-127-271845-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
150 PM EDT TUE AUG 27 2002

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR NORTHERN NASH AND 
HALIFAX COUNTIES HAS EXPIRED...

...A FLOOD WATCH CONTINUES FOR THE AREA THROUGH THE AFTERNOON...

ALTHOUGH THE AREA OF HEAVY RAIN WHICH CAUSED FLASH FLOODING IN NASH 
AND HALIFAX COUNTIES IS MOVING OUT OF THE AREA...FLOODING WILL 
CONTINUE TO POSE A THREAT TO LIFE AND PROPERTY. NUMEROUS ROADS 
ACROSS NORTHERN NASH AND HALIFAX COUNTIES REMAIN CLOSED DUE TO 
FLOODING. ROADS IN ENFIELD...TILLERY...AND SCOTLAND NECK HAVE BEEN 
CLOSED. SMALL CREEKS AND STREAMS MAY CONTINUE TO OVER FLOW THEIR 
BANKS THIS AFTERNOON. 

PEOPLE IN THIS AREA SHOULD CONTINUE TO USE CAUTION EVEN THOUGH THE 
RAIN MAY SUBSIDE. MOST DEATHS IN FLASH FLOODING OCCUR IN 
AUTOMOBILES...OFTEN AFTER THE RAIN HAS ENDED. DO NOT ATTEMPT TO 
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. 
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

$$

DGS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 6:56 PM EDTFlash Flood WarningRAHHarnett2 hr

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.