Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 18, NWS Raleigh, NC

August 26, 2002Edgecombe County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 26, 2002, 8:49 AM EDT for Edgecombe 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 counties it named.

The facts

Issued
Aug 26, 2002, 8:49 AM EDT (12:49 UTC)
Expired
Aug 26, 2002, 11:15 AM EDT
In force
2 hr
Issued by
NWS Raleigh, NC
Area
Whole counties

County Edgecombe County, NC

The radar

The Raleigh/Durham radar (KRAX), 85 km from the middle of the area, began a volume at 12:52 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

Newport, NC (KMHX), launched 12:00Z, 0.8 hours before the alert went out and 142 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, Newport, NC at 12:00Z on 2002-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 327 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, Newport, NC at 12:00Z on 2002-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 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
327 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
55 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 261249
FFWRAH
NCC065-261515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
841 AM EDT MON AUG 26 2002

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

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

* UNTIL 1115 AM EDT

** SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA.


AT 840 AM VERY HEAVY RAINS WERE OCCURRING OVER SOUTHWEST EDGECOMBE 
COUNTY. ADDITIONAL HEAVY RAIN SHOWERS ARE FORECAST TO MOVE INTO THE 
COUNTY FROM WILSON. RESIDENTS IN SOUTHWEST AND WEST EDGECOMBE COUNTY 
ARE UNDER AN IMMEDIATE THREAT FOR FLOODING. THIS AREA INCLUDES BUT 
IS NOT LIMITED TO THE AREA BORDERED BY US 64 TO THE NORTH...AND NC 
33 TO THE EAST. ADDITIONAL AREAS MAY BECOME THREATENED AS THESE 
HEAVY RAINS MOVE NORTH.

ALL RESIDENTS OF EDGECOMBE COUNTY SHOULD BE ON THE ALERT FOR RISING 
WATER ALONG CREEKS AND STREAMS AND THE THREAT OF FLOODING OF 
ROADWAYS.

ABSOLUTELY DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER 
COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE 
ABANDONED. NEVER DRIVE AROUND LAW ENFORCEMENT POSTED BARRICADES...AS 
YOUR CAR COULD BE SWEPT AWAY IN FLOOD WATERS.

$$

LAT...LON 3613 7769 3590 7734 3572 7767 3594 7782

14
1 follow-up statement
000 
WGUS72 KRAH 261347
FFSRAH
NCC065-261445-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
941 AM EDT MON AUG 26 2002

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR EDGECOMBE COUNTY IN 
CENTRAL NORTH CAROLINA UNTIL 1115 AM

HEAVY RAINS HAVE DEVELOPED NORTH OF US 64 IN AND EAST WEST BAND AND 
THIS AREA OF HEAVY RAINS IS ADVANCING TOWARD THE NORTH PARTS OF THE 
COUNTY. RAINFALL RATES OF TWO TO THREE INCHES PER HOUR ARE LIKELY. 
ALTHOUGH THE GROUND HAS BEEN QUITE DRY...THESE HEAVY RAINS MAY 
QUICKLY CAUSE SMALL CREEKS AND STREAMS TO EXCEED THIER BANKS AND 
FLOOD SOME ROADWAYS. RESIDENTS THROUGHOUT NORTHERN EDGECOME COUNTY 
SHOULD BE ALERT TO THE THREAT OF FLOODING.

TO THE SOUTH HEAVY RAINFALL RATES OF TWO TO THREE INCHES OF RAIN PER 
HOUR CONTINUE MAINLY OVER WILSON COUNTY WITH VERY HEAVY RAINS 
INDICATED ALONG THE EDGECOMBE BORDER TO THE WEST OF PINETOPS AND 
MACCLESFIELD. FLOODING IS LIKELY IN THIS AREA. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES, DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY
TO CROSS A FLOWING STREAM ON FOOT. TO ESCAPE RISING WATER, MOVE TO
HIGHER GROUND.

$$

14

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 4:41 AM EDTFlash Flood WarningRAHVance3 hr
Aug 26, 7:48 AM EDTFlash Flood WarningRAHFranklin, Vance, Warren3 hr
Aug 26, 8:21 AM EDTFlash Flood WarningRAHNash, Wilson3 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.