Alert archive / North Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 1, NWS Newport/Morehead City, NC

August 11, 2001Duplin County, North Carolina

NWS Newport/Morehead City, NC issued this flash flood warning at Aug 11, 2001, 5:03 PM EDT for Duplin County, North Carolina. It was in force for 87 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 11, 2001, 5:03 PM EDT (21:03 UTC)
Expired
Aug 11, 2001, 6:30 PM EDT
In force
87 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Duplin County, NC

The radar

The Raleigh/Durham radar (KRAX), 96 km from the middle of the area, began a volume at 21:02 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, 9.1 hours before the alert went out and 98 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 2001-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3463 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 2001-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
3463 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-6 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 KMHX 112104
FFWMHX
NCC061-112230-

BULLETIN - EAS ACTIVATION REQUIRED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
503 PM EDT SAT AUG 11 2001

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 503 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SHOWERS AND THUNDERSTORMS PRODUCING TORRENTIAL FLOODING DOWNPOURS  
  FROM KORNEGAY TO 6 MILES NORTH OF KENANSVILLE.  THE AREA OF        
  HEAVY RAIN WAS NEARLY STATIONARY.

* FLOODING CAN BE EXPECTED IN AND AROUND...
   KORNEGAY
   ALBERTSON
   NORTHERN KENANSVILLE.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. 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.

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

$$

LAT...LON 3503 7777 3502 7803 3513 7788 3510 7775

8

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Newport/Morehead City, NC wrote its last area forecast discussion before this flash flood warning went out at Aug 11, 2:48 PM EDT, 2 hours 15 minutes earlier.

Area forecast discussion, Aug 11, 2:48 PM EDT, 2 hours 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
248 PM EDT SAT AUG 11 2001

WEAKNESS ACROSS AREA TODAY AS SEEN ON WV WAS ENOUGH TO DESTABILIZE
THE ATMOSPHERE AND RESULT IN MORE SHOWER/TSTM ACTIVITY THAN
ANTICIPATED. PERHAPS MORNING SOUNDING WAS NOT THAT FAR OFF AFTER
ALL.

UPPER TROF WILL DIG ACROSS THE EAST COAST THRU TUE. MODELS ARE ALL
IN PRETTY GOOD AGREEMENT TODAY...WILL PREFER AVN FOR DETAILS
WHICH VERIFIED BETTER THAN YESTERDAYS ETA. WILL CONTINUE 20 OR
30 POP TONIGHT...MAINLY FOR A FEW LEFT OVER SHOWERS AND TSTMS FROM
THIS AFTERNOON. SFC BNDRY WILL REMAIN WELL WEST OF THE AREA ON
SUN...WITH SEA BREEZE BEING MAIN FOCUS FOR SHOWERS/TSTMS ACROSS OUR
AREA. WILL CARRY 30 POPS FOR THE DAY ON SUN. WILL AGAIN KEEP 20 TO
30 POPS SUN NIGHT. UPPER TROF DIGS A BIT MORE AND BNDRY ENTERS CNTRL
PART OF STATE ON MON. WILL UP POPS TO 40 ON MON. HIGHS ON SUN WILL
AGAIN BE AROUND 90 BUT HEAT INDEXES SHOULD BE BELOW 105 SO CAN
FINALLY DROP HEAT ADVISORY. MORE CLOUDS AND SHOWERS WILL LOWER TEMPS
ON MON...WITH HIGHS IN THE MID TO UPPER 80S.

IN THE EXTENDED...WILL CARRY HIGH CHANCE POPS ON TUE WITH BNDRY
STALLING ACROSS ERN NC. WITH BNDRY STALLED IN VICINITY AND TROFFING
ALONG THE EAST COAST WILL CONTINUE CHANCE POPS THROUGH WED. RIDGING
RETURNS ON THU AND FRI WITH ABOVE NORMAL TEMPS AND LOWER POPS. FRONT
MAY AFFECT THE AREA AGAIN NEXT SAT.

CWF...CURRENTLY ITS PRETTY WINDY FRM NR HAT ON NORTH TO THE VA
BORDER. THIS SITUATION SHLD NOT IMPROVE TNT AS LO LVL NOCTURNAL
JET WILL AID IN THE MIXING PROCESS. WILL HAVE A SMALL CRAFT ADVY UP
FROM OCRACOKE INLET NORTHWARD SO DSLN7 IS IN THE ADVY. ACRS THE SNDS
AND THE SRN WTRS WILL CALL IT SMALL CRAFT SHLD EXER CAUTION WITH
SPDS ARND 20 KT.

.MHX...NONE.

BANDY/GATES

In the hours before

Special weather statement, Aug 11, 4:48 PM EDT, 15 minutes before
NCZ090-091-112200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
448 PM EDT SAT AUG 11 2001

...TORRENTIAL RAINS OVER DUPLIN AND LENOIR COUNTIES...

SLOW MOVING THUNDERSTORMS INLAND...ARE PRODUCING TORRENTIAL RAINS
OVER PORTIONS OF DUPLIN AND LENOIR COUNTIES LATE THIS AFTERNOON.

AT 455 PM...DOPPLER RADAR INDICATED HEAVY RAINS IN A BAND FROM
KORNEGAY AND ALBERTSON IN DUPLIN COUNTY...NORTHEAST TO PINK HILL AND
DEEP RUN IN LENOIR COUNTY. RAINFALL RATES IN EXCESS OF 2 INCHES AN
HOUR WILL OCCUR WITH THESE THUNDERSTORMS...PRODUCING PONDING OF
WATER ON ROADWAYS...AND POSSIBLE LOCALIZED FLOODING OF LOW LYING
AREAS.

THE STORMS ARE SLOWLY BUILDING TO THE NORTHEAST...AND COULD AFFECT
KINSTON AND GRANGERS BEFORE 6 PM.

MOTORISTS ARE ADVISED NOT TO CROSS WATER COVERED ROADWAYS. RESIDENTS
IN LOW LYING AREAS SHOULD WATCH FOR POSSIBLE FLOODING AND BE
PREPARED TO TAKE ACTION IF A FLOOD WARNING IS ISSUED...OR FLOODING
OCCURS.

ELARDO

Nearby

Flash Flood Warnings in North Carolina, 2001Every flash flood warning in 2001

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.