Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 37, NWS Raleigh, NC

September 16, 2002Nash County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 16, 2002, 9:47 AM EDT for Nash County, North Carolina. It was in force for 88 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
Sep 16, 2002, 9:47 AM EDT (13:47 UTC)
Expired
Sep 16, 2002, 11:15 AM EDT
In force
88 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Nash County, NC

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 1.8 hours before the alert went out and 166 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 2002-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1638 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, Newport, NC at 12:00Z on 2002-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1638 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KRAH 161347
FFWRAH
NCC127-161515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
944 AM EDT MON SEP 16 2002

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

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

* UNTIL 1115 AM EDT

* AT 944 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY
  HEAVY RAIN OVER THE WARNED AREA. COMMUNITIES THAT WILL BE AFFECTED 
  INCLUDE NASHVILLE...DORTCHES...AND RED OAK.

* THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING OVER THE WARNED AREA...
  RESULTING IN EXCESSIVE RAINFALL.

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT 
ROADS AND FLOODING NEARBY LOW AREAS. CREEK THAT MAY FLOOD INCLUDE 
STONY CREEK...SWIFT CREEK...AND FLAT ROCK BRANCH CREEK.

$$

LAT...LON 3595 7803 3594 7781 3612 7771 3615 7786

DGS/SH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 11:28 AM EDTFlash Flood WarningRAHEdgecombe62 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.