Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 31, NWS Raleigh, NC

August 30, 2002Halifax County, Nash County, Warren County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 30, 2002, 11:31 AM EDT for Halifax County, Nash County, Warren County, North Carolina. It was in force for 89 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 30, 2002, 11:31 AM EDT (15:31 UTC)
Expired
Aug 30, 2002, 1:00 PM EDT
In force
89 min
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Halifax County, NC, Nash County, NC, Warren County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.5 hours before the alert went out and 179 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 2002-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2002-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
64 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 301531
FFWRAH
NCC083-127-185-301700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1130 AM EDT FRI AUG 30 2002

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NASH COUNTY IN CENTRAL NORTH CAROLINA
  WESTERN HALIFAX COUNTY IN CENTRAL NORTH CAROLINA
  EASTERN WARREN COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 100 PM EDT

* AT 1130 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
THAT RAINFALL RANGING BETWEEN 2 AND 4 INCHES HAS BEEN WIDESPREAD 
ACROSS THE WARNED AREA DURING THE PAST 1 TO 2 HOURS. THE HEAVIEST 
RAIN HAS BEEN WEST OF INTERSTATE 95...AND AN ADDITIONAL 1 TO 2 
INCHES OF RAIN IS LIKELY THROUGH 100 PM. SOME LOCATIONS IN THE 
WARNED AREA INCLUDE ROANOKE RAPIDS...ARCOLA...LITTLETON...CASTALIA 
AND SPRING HOPE.

FLOODING IS LIKELY ALONG FISHING CREEK...LITTLE FISHING CREEK... 
SWIFT CREEK AND STONY CREEK AS WELL AS ANY SMALLER STREAMS IN THE 
AREA. DRIVERS SHOULD USE EXTREME CAUTION AND AVOID FLOODED ROADS.

$$

LAT...LON 3641 7757 3587 7797 3584 7823 3616 7802
          3655 7803

MLM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 9:36 AM EDTFlash Flood WarningRAHHalifax, Nash114 min
Aug 30, 9:39 AM EDTFlash Flood WarningRAHHalifax, Nash111 min
Aug 30, 12:53 PM EDTFlash Flood WarningRAHHalifax, Warren97 min

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.