Alert archive / North Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Wilmington, NC

July 24, 2000Brunswick County, New Hanover County, Pender County, North Carolina; Horry County, South Carolina

NWS Wilmington, NC issued this flash flood warning at Jul 24, 2000, 12:52 AM EDT for Brunswick County, New Hanover County, Pender County, North Carolina; Horry County, South Carolina. It was in force for 7 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: Jul 24, 2000, 12:52 AM EDT (04:52 UTC)
Expired: Jul 24, 2000, 8:00 AM EDT
In force: 7 hr
Issued by: NWS Wilmington, NC
Area: Whole counties

Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC, Horry County, SC

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 4.9 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 129 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 933 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KILM 240457
FFWILM
NCC019-129-141-SCC051-241200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
1252 AM EDT MON JUL 24 2000

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NEW HANOVER COUNTY IN SOUTHEAST NORTH CAROLINA
  PENDER COUNTY IN SOUTHEAST NORTH CAROLINA
  BRUNSWICK COUNTY IN SOUTHEAST NORTH CAROLINA
  HORRY COUNTY IN NORTHEAST SOUTH CAROLINA

* UNTIL 800 AM EDT

* AT 1252 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  VERY HEAVY RAIN ACROSS THE WARNED AREA. RAIN WAS FALLING AT THE    
  RATE OF 1 TO 2 INCHES AN HOUR. THE RAIN WAS MOVING TO THE          
  NORTH AT 15 MPH.

* VERY HEAVY RAIN WILL CONTINUE ACROSS THE WARNED AREA THROUGH 4 AM. 
  AS MUCH AS 4 OR 5 INCHES OF RAIN IS LIKELY. 

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING 
OF LOW LYING AND POOR DRAINAGE AREAS. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO 
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT 
TO FLOODING WHEN WATER BEGINS RISING.

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 8:24 PM EDT	Tornado Warning	ILM	Georgetown	36 min

Nearby

Flash Flood Warnings in North Carolina, 2000 Flash Flood Warnings in South Carolina, 2000 Every flash flood warning in 2000

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.