Alert archive / North Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Wilmington, NC

September 2, 2016Brunswick County, Columbus County, North Carolina

NWS Wilmington, NC issued this flash flood warning at Sep 2, 2016, 6:00 PM EDT for Brunswick County, Columbus County, North Carolina. It was in force for 3 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 2, 2016, 6:00 PM EDT (22:00 UTC)
Expired
Sep 2, 2016, 9:00 PM EDT
In force
3 hr
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Flood severity
None

Counties Brunswick County, NC, Columbus County, NC

The radar

The Wilmington radar (KLTX), 46 km from the middle of the area, began a volume at 22:03 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.

What was reported inside it

TimeReportWhereRemark
Sep 2, 7:15 PM EDTFLASH FLOODN Whiteville, NCMULTIPLE ROADS FLOODED COUNTY-WIDE.
Sep 2, 7:17 PM EDTFLASH FLOODWhiteville, NCONE FOOT OF WATER IN THE YARD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 10.0 hours before the alert went out and 176 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 2016-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 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 2016-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
403 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

095 
WGUS52 KILM 022200
FFWILM
NCC019-047-030100-
/O.NEW.KILM.FF.W.0004.160902T2200Z-160903T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
600 PM EDT FRI SEP 2 2016

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLUMBUS COUNTY IN SOUTHEASTERN NORTH CAROLINA...
  SOUTHWESTERN BRUNSWICK COUNTY IN SOUTHEASTERN NORTH CAROLINA...

* UNTIL 900 PM EDT
    
* AT 559 PM EDT...DOPPLER RADAR INDICATED A LARGE AREA OF SHOWERS
  AND THUNDERSTORM PRODUCING HEAVY RAIN ACROSS THE WARNED AREA.
  THESE STORMS ARE PRODUCING RAINFALL AT A RATE OF 3 INCHES PER
  HOUR. THIS AMOUNT OF RAINFALL FALLING WITHIN A RELATIVELY SHORT
  PERIOD OF TIME WILL LEAD TO FLASH FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WHITEVILLE...SHALLOTTE...SUNSET BEACH...IREDELL...
  CAROLINA SHORES...TABOR CITY...CHADBOURN...CALABASH...BETHEL...
  LAKE WACCAMAW...FAIR BLUFF...WILLIAMS...HALLSBORO...FREELAND...
  OLD DOCK...PIREWAY...MOLLIE...DULAH...BUGHILL AND CLARENDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND IF FLOODING IS ENCOUNTERED. MOST FLOODING
DEATHS OCCUR IN VEHICLES. DO NOT DRIVE THROUGH AREAS THAT ARE
FLOODED. 

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE IN WILMINGTON
AT 800 - 697 - 3901 WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3445 7866 3446 7865 3445 7862 3438 7845
      3437 7837 3396 7832 3388 7857 3423 7898
      3431 7906 3431 7904 3433 7904 3440 7896
      3446 7885 3446 7866

$$

SRP
2 follow-up statements
756 
WGUS72 KILM 022340
FFSILM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
740 PM EDT FRI SEP 2 2016

NCC019-047-030100-
/O.CON.KILM.FF.W.0004.000000T0000Z-160903T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLUMBUS NC-BRUNSWICK NC-
740 PM EDT FRI SEP 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
COLUMBUS AND SOUTHWESTERN BRUNSWICK COUNTIES...

AT 738 PM EDT...DOPPLER RADAR INDICATED AN AREA OF SHOWERS WITH
LOWER RAINFALL RATES ACROSS COLUMBUS COUNTY AND WESTERN BRUNSWICK
COUNTY AT THE MOMENT. HOWEVER...ADDITIONAL MODERATE TO HEAVY
RAINFALL IS EXPECTED THROUGH 9 PM AND MANY ROADS REMAIN FLOODED
ACROSS THE WARNED AREA. AS A RESULT...THE FLASH FLOOD WARNING WILL
REMAIN IN EFFECT UNTIL 9 PM EDT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WHITEVILLE...SHALLOTTE...IREDELL...TABOR CITY...CHADBOURN...
CALABASH...BETHEL...LAKE WACCAMAW...FAIR BLUFF...WILLIAMS...
HALLSBORO...FREELAND...OLD DOCK...PIREWAY...MOLLIE...DULAH...
BUGHILL AND CLARENDON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. DO NOT DRIVE THROUGH FLOODED AREAS. MOVE TO
HIGHER GROUND IF FLASH FLOODING IS ENCOUNTERED.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE IN WILMINGTON
AT 800 - 697 - 3901 WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3445 7866 3446 7865 3445 7862 3438 7845
      3437 7837 3396 7832 3388 7857 3423 7898
      3431 7906 3431 7904 3433 7904 3440 7896
      3446 7885 3446 7866

$$

SRP
691 
WGUS72 KILM 030056
FFSILM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
856 PM EDT FRI SEP 2 2016

NCC019-047-030103-
/O.EXP.KILM.FF.W.0004.000000T0000Z-160903T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLUMBUS NC-BRUNSWICK NC-
856 PM EDT FRI SEP 2 2016

...THE FLASH FLOOD WARNING FOR COLUMBUS AND SOUTHWESTERN BRUNSWICK
COUNTIES WILL EXPIRE AT 900 PM EDT...

ALTHOUGH THE HEAVIEST RAINFALL HAS EXITED THE WARNED AREA WATER WILL
CONTINUE TO POOL INTO LOW-LYING AREAS FOR SEVERAL MORE HOURS. SOME
ADDITIONAL RAINFALL IS POSSIBLE AS HERMINE LIFTS NORTHEAST ACROSS
THE AREA. IN THE MEANTIME...THE FLASH FLOOD WARNING HAS BEEN ALLOWED
TO EXPIRE.

LAT...LON 3445 7866 3446 7865 3445 7862 3438 7845
      3437 7837 3396 7832 3388 7857 3423 7898
      3431 7906 3431 7904 3433 7904 3440 7896
      3446 7885 3446 7866

$$

SRP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 12:09 AM EDTRip Current StatementILMBrunswick, New Hanover, Pender45 hr
Sep 2, 3:33 AM EDTAreal Flood AdvisoryILMBrunswick, New Hanover3 hr
Sep 2, 3:40 AM EDTWind AdvisoryILMRobeson22 hr
Sep 2, 8:33 AM EDTSpecial Marine WarningILM87 min
Sep 2, 9:59 AM EDTSpecial Marine WarningILM91 min
Sep 2, 10:23 AM EDTRiver Flood WarningILMPender7 days
Sep 2, 10:23 AM EDTRiver Flood WarningILMRobeson3 days
Sep 2, 10:37 AM EDTAreal Flood AdvisoryILMBladen, Brunswick, Columbus, New Hanover, Pender3 hr
Sep 2, 11:09 AM EDTSpecial Marine WarningILM66 min
Sep 2, 2:52 PM EDTSpecial Marine WarningILM53 min
Sep 2, 3:17 PM EDTSpecial Marine WarningILM43 min
Sep 2, 3:56 PM EDTFlash Flood WarningILMBrunswick, New Hanover, Pender6 hr
Sep 2, 4:42 PM EDTSpecial Marine WarningILM48 min
Sep 2, 5:10 PM EDTSpecial Weather StatementILMBrunswick35 min
Sep 2, 6:56 PM EDTAreal Flood AdvisoryILMBladen, Pender, Robeson3 hr
Sep 2, 7:31 PM EDTFlash Flood WarningILMBladen, Pender4 hr

Nearby

Flash Flood Warnings in North Carolina, 2016Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.