Alert archive / North Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Newport/Morehead City, NC

September 18, 2000Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this flash flood warning at Sep 18, 2000, 4:15 PM EDT for Onslow 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 18, 2000, 4:15 PM EDT (20:15 UTC)
Expired
Sep 18, 2000, 7:15 PM EDT
In force
3 hr
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Onslow County, NC

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.3 hours before the alert went out and 56 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 2000-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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 2000-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
78 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
174 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 KMHX 182017
FFWMHX
NCC133-182315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
415 PM EDT MON SEP 18 2000

THE NATIONAL WEATHER SERVICE OFFICE IN NEWPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ONSLOW COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 715 PM EDT

* AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A BAND SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN ALONG THE 
  COAST FROM NEAR HOLLY RIDGE TO CAPE FEAR MOVING NORTHEAST AT 20 MPH. 
  THIS BAND OF SHOWERS AND STORMS WILL MOVE ACROSS ONSLOW COUNTY THROUGH
  715 PM AND PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES AND 
  RESULT IN MORE FLOODING.   

* FLOODING CAN BE EXPECTED IN AND AROUND
   HOLLY RIDGE.
   NORTH TOPSAIL BEACH.
   FOLKSTONE.
   SNEADS FERRY.
   JACKSONVILLE. 
   HUBERT.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

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.

PLEASE REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE.

NNNN

LAT...LON 3450 7759 3444 7749 3468 7710 3492 7728
          3497 7765 3471 7769
21

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 1:54 PM EDTFlash Flood WarningMHXOnslow81 min
Sep 18, 3:19 PM EDTFlash Flood WarningMHXOnslow56 min
Sep 18, 4:27 PM EDTTornado WarningMHXCarteret, Craven33 min
Sep 18, 5:10 PM EDTFlash Flood WarningMHXCraven3 hr

Nearby

Flash Flood Warnings in North Carolina, 2000Every 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.