Alert archive / South Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 12, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Oct 8, 2016, 9:42 AM EDT for 4 counties in South Carolina. It was in force for 108 min. 3 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, 9:42 AM EDT (13:42 UTC)
- Expired
- Oct 8, 2016, 11:30 AM EDT
- In force
- 108 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 106 km from the middle of the area, began a volume at 13:44 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, 11:00 AM EDT | FLASH FLOOD | 1 S Huger, SC | LAW ENFORCEMENT REPORTED UNITED ROAD WAS WASHED OUT NEAR THE HIGHWAY 41 NTERSECTION. THE WASHOUT LIKELY OCCURRED NEAR A BRANCH OF HESTER CANAL. |
| Oct 8, 11:00 AM EDT | FLASH FLOOD | 4 Nnw Middleton Place, SC | WATER FLOWING ACROSS DORCHESTER ROAD INTO A SHOPPING CENTER PARKING LOT. SOCIAL MEDIA VIDEO SHOWS SEVERAL BUSINESSES AND CARS FLOODED. |
| Oct 8, 11:00 AM EDT | FLASH FLOOD | Meggett, SC | SOCIAL MEDIA PICTURE SHOWS A LARGE WASHOUT OF A ROAD IN MEGGETT SUBDIVISION. THIS WAS THE SECOND YEAR IN A ROW THAT THE ROAD WAS WASHED OUT. |
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 12:00Z, 1.7 hours before the alert went out and 14 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
- 7 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- -75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
271
WGUS52 KCHS 081342
FFWCHS
SCC015-019-029-035-081530-
/O.NEW.KCHS.FF.W.0012.161008T1342Z-161008T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
942 AM EDT SAT OCT 8 2016
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR PORTIONS OF...
CHARLESTON COUNTY IN SOUTHEASTERN SOUTH CAROLINA...
DORCHESTER COUNTY IN SOUTHEASTERN SOUTH CAROLINA...
BERKELEY COUNTY IN SOUTHEASTERN SOUTH CAROLINA...
COLLETON COUNTY IN SOUTHEASTERN SOUTH CAROLINA...
* UNTIL 1130 AM EDT
* AT 933 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. 5 TO 10 INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS
ONGOING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHARLESTON...NORTH CHARLESTON...MOUNT PLEASANT...SUMMERVILLE...
GOOSE CREEK...HANAHAN...MCCLELLANVILLE AND EDISTO BEACH.
HEAVY RAINFALL CONTINUES TO ROTATE AROUND HURRICANE MATTHEW AND MOVE
ACROSS COASTAL SOUTH CAROLINA. RADAR ESTIMATES INDICATE THAT HOURLY
RAINFALL RATES CONTINUE TO PEAK AROUND 0.5 TO 1 INCH PER HOUR.... AS
SUCH...AN ADDITIONAL 1 TO 2 INCHES OF RAIN WILL BE POSSIBLE THROUGH
THE NEXT COUPLE HOURS. THE MAJOR CURRENT CONCERN IS ALONG THE COAST
WHERE HIGH TIDE IS APPROACHING. THE COMBINATION OF HEAVY RAIN...HIGH
TIDE...AND INCREASING SURGE FROM HURRICANE MATTHEW WILL CONTINUE TO
RESULT IN A VERY DANGEROUS SITUATION ALONG THE SOUTHEAST SOUTH
CAROLINA COAST INCLUDING DOWNTOWN CHARLESTON. GET TO HIGHER GROUND
NOW!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.
&&
LAT...LON 3298 7936 3298 7951 3289 7955 3274 7983
3267 7986 3252 8015 3253 8021 3245 8032
3241 8034 3248 8048 3257 8055 3255 8057
3265 8068 3332 7972 3324 7947 3316 7937
3314 7927
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 12:20 AM EDT | Flash Flood Warning | CHS | Allendale, Beaufort, Colleton, Hampton, Jasper | 10 hr |
| Oct 8, 3:54 AM EDT | River Flood Warning | CHS | Colleton, Dorchester | 13 days |
| Oct 8, 3:54 AM EDT | River Flood Warning | CHS | Berkeley, Georgetown, Williamsburg | 5 days |
| Oct 8, 7:27 AM EDT | Flash Flood Warning | CHS | Berkeley, Dorchester | 4 hr |
| Oct 8, 10:45 AM EDT | Areal Flood Warning | CHS | Allendale, Beaufort, Charleston, Colleton, Dorchester, Hampton and 1 more | 6 hr |
| Oct 8, 11:27 AM EDT | Areal Flood Warning | CHS | Beaufort, Berkeley, Charleston, Colleton, Dorchester | 5 hr |
| Oct 8, 1:53 PM EDT | Small Craft Advisory | CHS | 8 days | |
| Oct 8, 3:57 PM EDT | Lake Wind Advisory | CHS | Berkeley | 19 hr |
Nearby
Flash Flood Warnings in South 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.