Alert archive / South Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 11, NWS Wilmington, NC

October 8, 20166 counties in South Carolina; Columbus County, Robeson County, North Carolina

NWS Wilmington, NC issued this flash flood warning at Oct 8, 2016, 5:13 AM EDT for 6 counties in South Carolina; Columbus County, Robeson County, North Carolina. It was in force for 8 hr. 18 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: Oct 8, 2016, 5:13 AM EDT (09:13 UTC)
Expired: Oct 8, 2016, 1:15 PM EDT
In force: 8 hr
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Flood severity: None

Counties Columbus County, NC, Robeson County, NC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 109 km from the middle of the area, began a volume at 09:16 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

Time	Report	Where	Remark
Oct 8, 6:08 AM EDT	HEAVY RAIN 6.02	2 W Andrews, SC
Oct 8, 6:59 AM EDT	FLASH FLOOD	Carolina Acres, SC	FLOODING ON TV RD AND MCIVER RD. FLOODING ON E FRIENDFIELD RD.
Oct 8, 7:00 AM EDT	FLASH FLOOD	Aynor, SC	ROAD IMPASSABLE AT 11TH AND OAK ST.
Oct 8, 7:00 AM EDT	FLASH FLOOD	Garden City, SC	ROAD IMPASABLE AT NORTH AND SOUTH DOGWOOD DR AT ATLANTIC AVE
Oct 8, 8:16 AM EDT	FLASH FLOOD	2 Nnw Nichols, SC	PORTIONS OF KEMPER ROAD WASHED OUT.
Oct 8, 8:21 AM EDT	FLASH FLOOD	Marion, SC	SIGNIFICANT ROADWAY FLOODING ALONG DREW RD... RT 917... US HWY 50... AND FOXWOOD RD.
Oct 8, 8:51 AM EDT	HEAVY RAIN 9.75	Mouzon, SC
Oct 8, 8:56 AM EDT	HEAVY RAIN 7.74	1 Ene Sandridge, SC	RECORDED AT CWOP SITE AS045.
Oct 8, 9:00 AM EDT	HEAVY RAIN 7.6	Effingham, SC	RECORDED AT COOP SITE EFFS1.
Oct 8, 9:00 AM EDT	HEAVY RAIN 8.5	Galivants Ferry, SC	RECORDED AT HADS SITE GALS1.
Oct 8, 9:07 AM EDT	HEAVY RAIN 9.4	Marion, SC	RECORDED AT RAWS SITE MRWS1.
Oct 8, 9:30 AM EDT	FLASH FLOOD	2 Sw Leo, SC	ROAD WASHED OUT AT DEWEY COX RD AND OLD GEORGETOWN RD.
Oct 8, 9:31 AM EDT	FLASH FLOOD	Conway, SC	NUMEROUS REPORTS OF ROAD FLOODING IN HORRY COUNTY.
Oct 8, 9:41 AM EDT	FLASH FLOOD	Florence, SC	SEVERAL REPORTS OF ROAD FLOODING IN FLORENCE.
Oct 8, 10:00 AM EDT	FLASH FLOOD	Florence, SC	7 WATER RESCUES WITHIN THE CITY OF FLORENCE.
Oct 8, 10:47 AM EDT	FLASH FLOOD	Florence, SC	REPORTS OF FLOODED ROADWAYS IN AND AROUND FLORENCE.
Oct 8, 12:15 PM EDT	FLASH FLOOD	Sellers, SC	CARS AND HOMES INUNDATED BY FLOOD WATER. TOWN HALL ALSO IMPACTED BY FLOODING. REPORT FROM STATE EM.
Oct 8, 1:07 PM EDT	HEAVY RAIN 12.97	Marion, SC	RECORDED AT RAWS SITE MRWS1.

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 9.2 hours before the alert went out and 100 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: 248 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 569 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 306 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

As transmitted.

349 
WGUS52 KILM 080913
FFWILM
NCC047-155-SCC033-041-043-051-067-089-081715-
/O.NEW.KILM.FF.W.0011.161008T0913Z-161008T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
513 AM EDT SAT OCT 8 2016

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN COLUMBUS COUNTY IN SOUTHEASTERN NORTH CAROLINA...
  SOUTHWESTERN ROBESON COUNTY IN SOUTHEASTERN NORTH CAROLINA...
  FLORENCE COUNTY IN NORTHEASTERN SOUTH CAROLINA...
  GEORGETOWN COUNTY IN NORTHEASTERN SOUTH CAROLINA...
  HORRY COUNTY IN NORTHEASTERN SOUTH CAROLINA...
  MARION COUNTY IN NORTHEASTERN SOUTH CAROLINA...
  DILLON COUNTY IN NORTHEASTERN SOUTH CAROLINA...
  WILLIAMSBURG COUNTY IN NORTHEASTERN SOUTH CAROLINA...

* UNTIL 115 PM EDT SATURDAY

* AT 508 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. THREE TO SIX INCHES OF RAIN HAS ALREADY FALLEN IN THE
  WARNED AREA WITH ANOTHER 5 TO 10 INCHES POSSIBLE. FLASH FLOODING
  IS EXPECTED TO DEVELOP IN THE NEXT FEW HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FLORENCE...MYRTLE BEACH...CONWAY...NORTH MYRTLE BEACH...
  GEORGETOWN...MARION...DILLON...LAKE CITY...DEBORDIEU COLONY...
  MULLINS...SURFSIDE BEACH...KINGSTREE...NORTH MYRTLE BEACH
  AIRPORT...SPRINGMAID PIER...SOCASTEE...WINYAH BAY ENTRANCE...LITTLE
  RIVER...YAWKEY SOUTH ISLAND...MYRTLE BEACH AIRPORT AND RED HILL.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 95 IN SOUTH CAROLINA BETWEEN MILE MARKERS 148 AND 160...
AND BETWEEN MILE MARKERS 176 AND 198.
 SC HIGHWAY 31 BETWEEN MILE MARKERS 5 AND 24.
 SC HIGHWAY 22 BETWEEN MILE MARKERS 1 AND 26.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOODING DEATHS OCCUR IN VEHICLES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROAD. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. FLOWING WATER CAN BE POWERFUL ENOUGH TO
SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE
SMART CHOICE: TURN AROUND...DON'T DROWN!

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

&&

LAT...LON 3325 7948 3334 7976 3350 7996 3350 8010
      3372 7998 3378 7998 3388 7988 3389 7994
      3395 7997 3400 7990 3409 8005 3430 7963
      3431 7962 3451 7931 3385 7854 3376 7881
      3363 7894 3342 7914 3320 7917 3312 7927

$$

III

2 follow-up statements

966 
WGUS72 KILM 081137
FFSILM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
737 AM EDT SAT OCT 8 2016

NCC047-155-081132-
/O.CAN.KILM.FF.W.0011.000000T0000Z-161008T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLUMBUS NC-ROBESON NC-
737 AM EDT SAT OCT 8 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN COLUMBUS AND SOUTHWESTERN
ROBESON COUNTIES IS CANCELLED...

PLESE NOTE THAT THE EARLIER WARNING HAS BEEN REPLACED BY ANOTHER
FLASH FLOOD WARNING THAT ENCOMPASSES A LARGER PORTION OF COLUMBUS
AND ROBESON COUNTIES. 

LAT...LON 3325 7948 3334 7976 3350 7996 3350 8010
      3372 7998 3378 7998 3388 7988 3389 7994
      3395 7997 3400 7990 3409 8005 3430 7963
      3431 7962 3450 7932 3385 7854 3376 7881
      3363 7894 3342 7914 3320 7917 3312 7927

$$

SCC033-041-043-051-067-089-081715-
/O.CON.KILM.FF.W.0011.000000T0000Z-161008T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLORENCE SC-GEORGETOWN SC-HORRY SC-MARION SC-DILLON SC-
WILLIAMSBURG SC-
737 AM EDT SAT OCT 8 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR
FLORENCE...GEORGETOWN...HORRY...MARION...DILLON AND WILLIAMSBURG
COUNTIES...

AT 722 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA. MANY AREAS HAVE ALREADY RECEIVED OVER 6 INCHES OF RAINFALL AND
FLASH FLOODING IS LIKELY. SEVERAL ROADS HAVE ALREADY BEEN REPORTED
FLOODED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FLORENCE...MYRTLE BEACH...CONWAY...NORTH MYRTLE BEACH...GEORGETOWN...
MARION...DILLON...LAKE CITY...MULLINS...SURFSIDE BEACH...KINGSTREE...
SOCASTEE...AND RED HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOODING DEATHS OCCUR IN VEHICLES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROAD. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. FLOWING WATER CAN BE POWERFUL ENOUGH TO
SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE
SMART CHOICE: TURN AROUND...DON'T DROWN!

&&

LAT...LON 3325 7948 3334 7976 3350 7996 3350 8010
      3372 7998 3378 7998 3388 7988 3389 7994
      3395 7997 3400 7990 3409 8005 3430 7963
      3431 7962 3450 7932 3385 7854 3376 7881
      3363 7894 3342 7914 3320 7917 3312 7927

$$

SRP

082 
WGUS72 KILM 081421
FFSILM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
1021 AM EDT SAT OCT 8 2016

SCC033-041-043-051-067-089-081430-
/O.CAN.KILM.FF.W.0011.000000T0000Z-161008T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLORENCE SC-GEORGETOWN SC-HORRY SC-MARION SC-DILLON SC-
WILLIAMSBURG SC-
1021 AM EDT SAT OCT 8 2016

...THE FLASH FLOOD WARNING FOR FLORENCE...GEORGETOWN...HORRY...
MARION...DILLON AND WILLIAMSBURG COUNTIES IS CANCELLED...

THE WARNING HAS BEEN REPLACED BY A NEW FLASH FLOOD WARNING.

LAT...LON 3325 7948 3334 7976 3350 7996 3350 8010
      3372 7998 3378 7998 3388 7988 3389 7994
      3395 7997 3400 7990 3409 8005 3430 7963
      3431 7962 3450 7932 3385 7854 3376 7881
      3363 7894 3342 7914 3320 7917 3312 7927

$$

SHK

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 7, 10:26 PM EDT	Tornado Warning	ILM	Georgetown	16 min
Oct 8, 12:29 AM EDT	Tornado Warning	ILM	Georgetown, Williamsburg	31 min
Oct 8, 12:57 AM EDT	Areal Flood Advisory	ILM	Georgetown, Williamsburg	4 hr
Oct 8, 1:21 AM EDT	Tornado Warning	ILM	Horry, Marion	24 min
Oct 8, 1:47 AM EDT	Tornado Warning	ILM	Florence, Marion	28 min
Oct 8, 2:04 AM EDT	Tornado Warning	ILM	Florence, Georgetown, Horry, Marion, Williamsburg	26 min
Oct 8, 3:33 AM EDT	Tornado Warning	ILM	Horry, Marion	27 min
Oct 8, 4:42 AM EDT	Rip Current Statement	ILM	Georgetown, Horry	12 hr
Oct 8, 10:19 AM EDT	Flash Flood Warning	ILM	Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more	6 hr
Oct 8, 12:29 PM EDT	Flash Flood Warning Emergency	ILM	Horry	3 hr
Oct 8, 4:02 PM EDT	Flash Flood Warning	ILM	Dillon, Horry, Marion, Marlboro	4 hr
Oct 8, 4:07 PM EDT	Areal Flood Advisory	ILM	Darlington, Florence, Georgetown, Williamsburg	4 hr
Oct 8, 5:10 PM EDT	Rip Current Statement	ILM	Georgetown, Horry	27 hr
Oct 8, 6:12 AM EDT	Tornado Warning	ILM	Bladen, Brunswick, Columbus	10 min
Oct 8, 6:41 AM EDT	Tornado Warning	ILM	Brunswick, New Hanover	19 min
Oct 8, 6:58 AM EDT	Tornado Warning	ILM	Bladen, Brunswick, Columbus, Pender	11 min
Oct 8, 7:34 AM EDT	Flash Flood Warning	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	6 hr
Oct 8, 8:08 AM EDT	Tornado Warning	ILM	Pender	12 min
Oct 8, 8:36 AM EDT	Tornado Warning	ILM	Bladen, Brunswick, Columbus, Pender, Robeson	54 min
Oct 8, 9:50 AM EDT	River Flood Warning	ILM	Bladen	8 days
Oct 8, 10:00 AM EDT	Flash Flood Warning	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	6 hr
Oct 8, 3:56 PM EDT	Flash Flood Warning	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	6 hr

Nearby

Flash Flood Warnings in South Carolina, 2016 Flash Flood Warnings in North Carolina, 2016 Every 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.