Alert archive / South Carolina / Flash Flood Warnings in 2014
Flash Flood Warning 3, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Apr 19, 2014, 2:05 AM EDT for Berkeley County, Charleston County, South Carolina. It was in force for 4 hr. 1 report 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
- Apr 19, 2014, 2:05 AM EDT (06:05 UTC)
- Expired
- Apr 19, 2014, 6:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Berkeley County, SC, Charleston County, SC
The radar
The Charleston,SC radar (KCLX), 123 km from the middle of the area, began a volume at 06:06 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 |
|---|---|---|---|
| Apr 19, 4:20 AM EDT | FLASH FLOOD | Charleston, SC | NUMEROUS ROADS REMAIN CLOSED DUE TO FLASH FLOODING IN DOWNTOWN CHARLESTON. |
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, 6.1 hours before the alert went out and 23 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 433 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 384 m²/s²
- 0-3 km storm-relative helicity
- 810 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
770
WGUS52 KCHS 190605
FFWCHS
SCC015-019-191000-
/O.NEW.KCHS.FF.W.0003.140419T0605Z-140419T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
205 AM EDT SAT APR 19 2014
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA...
CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 600 AM EDT
* AT 156 AM EDT...BANDS OF HEAVY RAIN CONTINUE TO MOVE NORTH
ACROSS SOUTHEAST BERKELEY AND MUCH OF CHARLESTON COUNTY. RADAR
AND SPOTTERS REPORT AS MUCH AS 2 TO 4 INCHES OF RAIN HAS
FALLEN ACROSS THE WARNED AREA OVER THE PAST FEW HOURS. ALTHOUGH
HIGH TIDE HAS PASSED AND LEVELS ARE FALLING...IT WILL TAKE
SEVERAL MORE HOURS FOR FLOOD WATERS TO RECEDE AS HEAVY RAINS
FALL. AN ADDITIONAL 1 TO 3 INCHES WILL BE POSSIBLE
THROUGH 6 AM. IN ADDITION...NUMEROUS ROADS THROUGHOUT THE
DOWNTOWN CHARLESTON REMAIN CLOSED DUE TO FLOOD WATERS. AVOID
TRAVEL IN THE DOWNTOWN AREA IF POSSIBLE.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
DOWNTOWN CHARLESTON...WEST ASHLEY...NORTH CHARLESTON...
JOHNS ISLAND...FOLLY BEACH...KIAWAH ISLAND...WADMALAW ISLAND...
DANIEL ISLAND...HUGER...MOUNT PLEASANT...ISLE OF PALMS...
AWENDAW...MCCLELLANVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AVOID DRIVING INTO WATER ON THE ROAD. THE WATER IS USUALLY DEEPER
THAN IT APPEARS AND THE ROAD MAY BE WASHED OUT. ONLY ONE FOOT OF
WATER WILL STALL A VEHICLE AND LESS THAN TWO FEET OF WATER CAN FLOAT
AND CARRY AWAY A VEHICLE. FLOODING IS THE NUMBER ONE WEATHER-RELATED
CAUSE OF DEATH IN THE UNITED STATES. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
TO REPORT FLOODING...CONTACT THE NATIONAL WEATHER SERVICE IN
CHARLESTON TOLL FREE AT 1-888-383-2024.
&&
LAT...LON 3300 7936 3302 7956 3299 7955 3301 7956
3295 7961 3293 7961 3297 7955 3290 7958
3275 7984 3277 7992 3276 7987 3268 7989
3253 8024 3286 8017 3293 8008 3296 8011
3330 7967 3314 7927
$$2 follow-up statements
871
WGUS72 KCHS 190730
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
330 AM EDT SAT APR 19 2014
SCC015-019-191000-
/O.CON.KCHS.FF.W.0003.000000T0000Z-140419T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-BERKELEY SC-
330 AM EDT SAT APR 19 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR
SOUTHEASTERN BERKELEY AND CHARLESTON COUNTIES...
AT 316 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE RAIN MOVING OVER THE WARNED AREA. WHEN ADDED TO HEAVY RAIN
THAT HAS ALREADY FALLEN...OCCASIONAL RAINFALL RATES EXCEEDING ONE
INCH PER HOUR WILL PRODUCE ADDITIONAL FLASH FLOODING THROUGH THE
EARLY MORNING HOURS. NUMEROUS ROADS THROUGHOUT DOWNTOWN CHARLESTON
REMAIN CLOSED DUE TO FLOOD WATERS. AVOID TRAVEL IN THE DOWNTOWN AREA
IF POSSIBLE.
FLASH FLOODING IS EXPECTED IN AND AROUND...DOWNTOWN CHARLESTON...
WEST ASHLEY...NORTH CHARLESTON...JOHNS ISLAND...FOLLY BEACH...KIAWAH
ISLAND...WADMALAW ISLAND... DANIEL ISLAND...HUGER...MOUNT
PLEASANT...ISLE OF PALMS...AWENDAW AND MCCLELLANVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WATER DEPTH IS NEARLY IMPOSSIBLE TO DETERMINE AT NIGHT. DO NOT
ATTEMPT TO CROSS WATER ON THE ROADWAY EVEN IF IT APPEARS SHALLOW.
FIND AN ALTERNATE ROUTE. A SHORT DELAY IN YOUR TRAVEL PLANS IS BETTER
THAN LOSING YOUR CAR...OR YOUR LIFE. AVOID TRAVEL IN DOWNTOWN
CHARLESTON.
&&
LAT...LON 3300 7936 3302 7956 3299 7955 3301 7956
3295 7961 3293 7961 3297 7955 3290 7958
3275 7984 3277 7992 3276 7987 3268 7989
3253 8024 3286 8017 3293 8008 3296 8011
3330 7967 3314 7927
$$606
WGUS72 KCHS 190853
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
453 AM EDT SAT APR 19 2014
SCC015-019-191000-
/O.CON.KCHS.FF.W.0003.000000T0000Z-140419T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-BERKELEY SC-
453 AM EDT SAT APR 19 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR
SOUTHEASTERN BERKELEY AND CHARLESTON COUNTIES...
AT 446 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT HEAVIEST RAIN WAS GRADUALLY SHIFTING OUT OF THE WARNING AREA.
HOWEVER...DUE TO HEAVY RAIN THAT HAD ALREADY FALLEN...FLASH FLOODING
CONTINUED IN SOME AREAS. IN PARTICULAR...LAW ENFORCEMENT REPORTED
THAT NUMEROUS ROADS IN DOWNTOWN CHARLESTON REMAINED CLOSED DUE TO
FLASH FLOODING. SOME ROADS WILL REMAIN INUNDATED THROUGH THE EARLY
MORNING.
FLASH FLOODING IS EXPECTED IN AND AROUND...DOWNTOWN CHARLESTON...
WEST ASHLEY...NORTH CHARLESTON...JOHNS ISLAND...FOLLY BEACH...KIAWAH
ISLAND...WADMALAW ISLAND...DANIEL ISLAND...HUGER...MOUNT PLEASANT...
ISLE OF PALMS...AWENDAW AND MCCLELLANVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WATER DEPTH IS NEARLY IMPOSSIBLE TO DETERMINE AT NIGHT. DO NOT
ATTEMPT TO CROSS WATER ON THE ROADWAY EVEN IF IT APPEARS SHALLOW.
FIND AN ALTERNATE ROUTE. A SHORT DELAY IN YOUR TRAVEL PLANS IS BETTER
THAN LOSING YOUR CAR...OR YOUR LIFE.
&&
LAT...LON 3300 7936 3302 7956 3299 7955 3301 7956
3295 7961 3293 7961 3297 7955 3290 7958
3275 7984 3277 7992 3276 7987 3268 7989
3253 8024 3286 8017 3293 8008 3296 8011
3330 7967 3314 7927
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 8:41 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Apr 18, 9:38 PM EDT | Areal Flood Advisory | CHS | Berkeley, Colleton, Dorchester | 3 hr |
| Apr 18, 9:50 PM EDT | Special Marine Warning | CHS | 115 min | |
| Apr 18, 10:42 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Apr 18, 11:27 PM EDT | Flash Flood Warning | CHS | Berkeley, Charleston | 3 hr |
| Apr 18, 11:47 PM EDT | Special Marine Warning | CHS | 118 min | |
| Apr 19, 3:57 AM EDT | Gale Watch | CHS | 23 hr | |
| Apr 19, 5:59 AM EDT | Flash Flood Warning | CHS | Charleston | 3 hr |
| Apr 19, 3:01 PM EDT | Lake Wind Advisory | CHS | Berkeley | 20 hr |
| Apr 19, 3:03 PM EDT | Gale Warning | CHS | 23 hr | |
| Apr 19, 3:09 PM EDT | Coastal Flood Advisory | CHS | 11 hr | |
| Apr 19, 3:09 PM EDT | Rip Current Statement | CHS | 20 hr | |
| Apr 19, 5:50 PM EDT | Special Marine Warning | CHS | 115 min |
Nearby
Flash Flood Warnings in South Carolina, 2014Every flash flood warning in 2014
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.