Alert archive / South Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 3, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at May 29, 2016, 8:54 AM EDT for Berkeley County, Charleston County, Dorchester County, South Carolina. It was in force for 3 hr. 5 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
- May 29, 2016, 8:54 AM EDT (12:54 UTC)
- Expired
- May 29, 2016, 11:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Berkeley County, SC, Charleston County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 95 km from the middle of the area, began a volume at 12:55 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 |
|---|---|---|---|
| May 29, 10:00 AM EDT | FLASH FLOOD | 1 E Archdale, SC | INTERSECTION OF BROOKDALE AND LOWELL ROADS IMPASSIBLE. |
| May 29, 10:00 AM EDT | FLASH FLOOD | 1 N Archdale, SC | REPORTS OF DORCHESTER MANOR AND GABLES OF SADDLEBROOK NEIGHBORHOODS INACCESSIBLE DUE TO FLOODED ROADS AND WATER APPROACHING HOUSES |
| May 29, 10:00 AM EDT | FLASH FLOOD | 1 Wnw Archdale, SC | INTERSECTION OF TAYLOR PLANTATION ROAD AND PARK FOREST PARKWAY IMPASSIBLE. |
| May 29, 10:30 AM EDT | HEAVY RAIN 0 | 4 Nnw Middleton Place, SC | EMERGENCY MANAGEMENT REPORTS NUMEROUS ROADS FLOODED IN EASTERN DORCHESTER COUNTY MAINLY ALONG ASHLEY PHOSPHATE BLVD BETWEEN I-26 AND DORCHESTER RD |
| May 29, 10:50 AM EDT | FLASH FLOOD | 2 Ne Archdale, SC | REPORT OF PARKING LOTS FLOODED AND NUMEROUS CARS STRANDED NEAR THE INTERSECTION OF PEPPERCORN LN AND MOUNTAINBROOK AVE |
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, 0.9 hours before the alert went out and 8 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
- 666 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
459 WGUS52 KCHS 291254 FFWCHS SCC015-019-035-291545- /O.NEW.KCHS.FF.W.0003.160529T1254Z-160529T1545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 854 AM EDT SUN MAY 29 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... * UNTIL 1145 AM EDT * AT 850 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CHARLESTON...NORTH CHARLESTON...SUMMERVILLE...GOOSE CREEK...HANAHAN... ARCHDALE...NAVAL WEAPONS STATION CHARLESTON AND MIDDLETON PLACE. RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE BEEN REPORTED OVER THE PAST 24 HOURS. ANOTHER VERY HEAVY AREA OF RAIN IS SETTING UP ACROSS THIS AREA AND WILL IMPACT LOCATIONS FROM AROUND NORTH CHARLESTON TO OAKBROOK...LADSON...AND SUMMERVILLE. HOURLY RAINFALL RATES WILL BE EXTREMELY HEAVY AND COULD EXCEED 2 TO 3 INCHES PER HOUR. 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 3294 7991 3278 7997 3291 8035 3310 8024 $$
2 follow-up statements
879
WGUS72 KCHS 291446
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1046 AM EDT SUN MAY 29 2016
SCC015-291454-
/O.CAN.KCHS.FF.W.0003.000000T0000Z-160529T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERKELEY SC-
1046 AM EDT SUN MAY 29 2016
...THE FLASH FLOOD WARNING FOR BERKELEY COUNTY IS CANCELLED...
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3300 8012 3300 8010 3299 8010 3300 8005
3298 8004 3295 8004 3294 8003 3283 8011
3291 8035 3309 8024
$$
SCC019-035-291545-
/O.CON.KCHS.FF.W.0003.000000T0000Z-160529T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-DORCHESTER SC-
1046 AM EDT SUN MAY 29 2016
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT FOR
PORTIONS OF CHARLESTON AND DORCHESTER COUNTIES...
AT 1044 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EITHER
OCCURRING OR IS EXPECTED TO BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH CHARLESTON...SUMMERVILLE...GOOSE CREEK...HANAHAN...SLANDS BRIDGE...
ARCHDALE...MAGNOLIA GARDENS AND MIDDLETON PLACE.
OVER THE LAST 1 TO 2 HOURS...RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE
OCCURRED MAINLY ACROSS LOCATIONS FROM AROUND NORTH CHARLESTON TO
MIDLAND PARK...AND LADSON. AN AREA OF MODERATE RAIN IS CURRENTLY
MOVING BACK INTO SOUTHERN DORCHESTER COUNTY AND ADDITIONAL RAINFALL
AMOUNTS OF UP TO AN INCH WILL BE POSSIBLE THROUGH MIDDAY. THERE HAVE
BEEN REPORTS OF FLOODING IN DORCHESTER MANOR...WITH SEVERAL ROADS
REPORTED FLOODED BY DORCHESTER COUNTY EMERGENCY MANAGEMENT.
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 3300 8012 3300 8010 3299 8010 3300 8005
3298 8004 3295 8004 3294 8003 3283 8011
3291 8035 3309 8024
$$494
WGUS72 KCHS 291544
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1144 AM EDT SUN MAY 29 2016
SCC019-035-291551-
/O.EXP.KCHS.FF.W.0003.000000T0000Z-160529T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-DORCHESTER SC-
1144 AM EDT SUN MAY 29 2016
...THE FLASH FLOOD WARNING FOR CHARLESTON AND DORCHESTER COUNTIES
WILL EXPIRE AT 1145 AM EDT...
THE HEAVY RAIN THAT PROMPTED THE FLASH FLOODING HAS ENDED ACROSS THE
WARNED AREA. ONGOING FLOODING IN AND AROUND THE ARCHDALE AREA
INCLUDING DORCHESTER MANOR AND PEPPERIDGE AREAS WILL SLOWLY IMPROVE
THROUGH THE EARLY AFTERNOON HOURS. MOTORISTS SHOULD CONTINUE TO OBEY
ANY ROAD CLOSED SIGNS AND BARRICADES PLACED BY LAW ENFORCEMENT
OFFICIALS.
LAT...LON 3300 8012 3300 8010 3299 8010 3300 8005
3298 8004 3295 8004 3294 8003 3283 8011
3291 8035 3309 8024
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 2:46 AM EDT | Areal Flood Advisory | CHS | Beaufort, Jasper | 59 min |
| May 29, 3:57 AM EDT | Areal Flood Advisory | CHS | Beaufort, Hampton, Jasper | 93 min |
| May 29, 5:35 AM EDT | Flash Flood Warning | CHS | Beaufort, Jasper | 115 min |
| May 29, 7:32 AM EDT | Flash Flood Warning | CHS | Beaufort, Jasper | 3 hr |
| May 29, 10:13 AM EDT | River Flood Warning | CHS | Berkeley, Georgetown, Williamsburg | 48 hr |
| May 29, 10:52 AM EDT | Areal Flood Advisory | CHS | Colleton, Dorchester | 113 min |
| May 29, 12:13 PM EDT | Areal Flood Advisory | CHS | Colleton | 2 hr |
| May 29, 1:09 PM EDT | Areal Flood Advisory | CHS | Beaufort, Hampton, Jasper | 111 min |
| May 29, 2:25 PM EDT | Flash Flood Warning | CHS | Allendale, Hampton, Jasper | 3 hr |
| May 29, 3:23 PM EDT | Areal Flood Advisory | CHS | Hampton, Jasper | 112 min |
| May 29, 5:57 PM EDT | Areal Flood Advisory | CHS | Allendale, Hampton | 93 min |
| May 29, 7:24 PM EDT | Areal Flood Advisory | CHS | Allendale, Colleton, Hampton | 66 min |
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.