Alert archive / South Carolina / Areal Flood Warnings in 2011
Areal Flood Warning 9, NWS Wilmington, NC
NWS Wilmington, NC issued this areal flood warning at Aug 13, 2011, 11:12 AM EDT for Darlington County, Dillon County, Marlboro County, South Carolina. It was in force for 36 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 13, 2011, 11:12 AM EDT (15:12 UTC)
- Expired
- Aug 13, 2011, 11:48 AM EDT
- In force
- 36 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Darlington County, SC, Dillon County, SC, Marlboro County, SC
The radar
The Wilmington radar (KLTX), 125 km from the middle of the area, began a volume at 15:12 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
Charleston AFB, SC (KCHS), launched 12:00Z, 3.2 hours before the alert went out and 174 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.
- Mixed-layer CAPE
- 1710 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, NC wrote its last area forecast discussion before this areal flood warning went out at Aug 13, 10:54 AM EDT, 18 minutes earlier.
Area forecast discussion, Aug 13, 10:54 AM EDT, 18 minutes before
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</html>Hazardous weather outlook, Aug 13, 4:09 AM EDT, 7 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON NC 409 AM EDT SAT AUG 13 2011 NCZ087-096-099-105-107-109-110-SCZ017-024-053-140815- ROBESON-BLADEN-COLUMBUS-INLAND PENDER-INLAND NEW HANOVER- INLAND BRUNSWICK-COASTAL BRUNSWICK-MARLBORO-DILLON-INLAND HORRY- 409 AM EDT SAT AUG 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS COULD PRODUCE HEAVY RAINFALL TODAY. THE HEAVIEST STORMS WILL BE CAPABLE OF PRODUCING MINOR FLOODING OF POOR DRAINAGE AND LOW LYING AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ106-108-SCZ054-140815- COASTAL PENDER-COASTAL NEW HANOVER-COASTAL HORRY- 409 AM EDT SAT AUG 13 2011 ...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM 7 AM EDT THIS MORNING THROUGH THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS COULD PRODUCE HEAVY RAINFALL TODAY. THE HEAVIEST STORMS WILL BE CAPABLE OF PRODUCING MINOR FLOODING OF POOR DRAINAGE AND LOW LYING AREAS. MODERATE RISK OF RIP CURRENTS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ023-032-033-039-055-140815- DARLINGTON-FLORENCE-MARION-WILLIAMSBURG-INLAND GEORGETOWN- 409 AM EDT SAT AUG 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ056-140815- COASTAL GEORGETOWN- 409 AM EDT SAT AUG 13 2011 ...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM 7 AM EDT THIS MORNING THROUGH THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. MODERATE RISK OF RIP CURRENTS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ250-252-254-256-140815- SURF CITY TO CAPE FEAR NC OUT 20 NM- CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM- LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM- MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM- 409 AM EDT SAT AUG 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. 9
In the hours before
Special weather statement, Aug 13, 10:07 AM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
1007 AM EDT SAT AUG 13 2011
NCZ087-SCZ017-024-131500-
ROBESON-MARLBORO-DILLON-
1007 AM EDT SAT AUG 13 2011
...STRONG THUNDERSTORMS NEAR MCCOLL...
AT 1007 AM EDT...A CLUSTER OF STRONG THUNDERSTORMS WAS...2 MILES
NORTHWEST OF MCCOLL MOVING EAST AT 10 MPH.
THESE THUNDERSTORMS HAVE THE CAPABILITY OF PRODUCING SMALL HAIL...
GUSTY WINDS UP TO 40 MPH AND FREQUENT DANGEROUS LIGHTNING.
THESE THUNDERSTORMS WILL ALSO PRODUCE HEAVY RAINFALL OF UP TO ONE TO
THREE INCHES. THIS WILL CAUSE PONDING OF WATER ON ROADWAYS.
COMMUNITIES IN THE PATH OF THESE STORMS ARE BENNETTSVILLE...ALMA...
CLIO...DUNBAR...ELROD...MAXTON...MCCOLL...MINTURN...PURVIS...
RAEMON...ROWLAND AND SEVEN BRIDGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THUNDERSTORMS CAN POSE A VARIETY OF THREATS INCLUDING GUSTY WINDS...
SMALL HAIL...CLOUD TO GROUND LIGHTNING...AND LOCALIZED FLOODING. IT
IS RECOMMENDED THAT YOU REMAIN INDOORS UNTIL THE STORMS PASS.
&&
STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS FOR FURTHER DETAILS OR
UPDATES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WEATHER.GOV/ILM.
LAT...LON 3449 7926 3455 7972 3481 7972 3481 7967
3464 7947 3464 7946 3476 7935 3478 7934
3481 7935 3481 7922
RANLocal storm report, Aug 13, 10:56 AM EDT, 16 minutes before
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</html>The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 7:40 AM EDT | Areal Flood Advisory | ILM | Georgetown | 80 min |
| Aug 13, 9:07 AM EDT | Areal Flood Advisory | ILM | Marlboro | 79 min |
| Aug 13, 9:58 AM EDT | Areal Flood Advisory | ILM | Darlington, Florence, Marlboro | 94 min |
| Aug 13, 10:07 AM EDT | Special Weather Statement | ILM | Marlboro | 53 min |
| Aug 13, 10:24 AM EDT | Areal Flood Warning | ILM | Marlboro | 3 hr |
| Aug 13, 10:53 AM EDT | Flash Flood Warning | ILM | Marlboro | 112 min |
| Aug 13, 11:42 AM EDT | Special Weather Statement | ILM | Brunswick | 63 min |
| Aug 13, 12:00 PM EDT | Special Weather Statement | ILM | Bladen, Robeson | 60 min |
Nearby
Areal Flood Warnings in South Carolina, 2011Every areal flood warning in 2011
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.