Alert archive / South Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 9, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Oct 7, 2016, 7:53 PM EDT for 4 counties in South Carolina. It was in force for 14 hr. 8 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 7, 2016, 7:53 PM EDT (23:53 UTC)
- Expired
- Oct 8, 2016, 9:45 AM EDT
- In force
- 14 hr
- 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), 99 km from the middle of the area, began a volume at 23:56 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, 3:45 AM EDT | HEAVY RAIN 6.62 | Charleston Airport, SC | STORM TOTAL RAINFALL 6.62 INCHES SINCE MIDNIGHT FRIDAY AT CHS ASOS. |
| Oct 8, 4:30 AM EDT | FLASH FLOOD | 1 Nnw West Ashley, SC | THE BROADCAST MEDIA SHARED A PICTURE VIA TWITTER OF A HOME WITH APPROXIMATELY 4 INCHES OF WATER IN THE LIVING ROOM. THE HOME WAS ON HUTTON PLACE OFF OF ASHLEY HALL ROAD. |
| Oct 8, 4:30 AM EDT | FLASH FLOOD | College Park, SC | BERKELEY COUNTY REPORTS FLOODING IN THE COLLEGE PARK AREA INCLUDING WATER ENTERING SOME HOMES ON OXFORD ROAD. |
| Oct 8, 5:00 AM EDT | FLASH FLOOD | 3 Ene Slands Bridge, SC | AT LEAST 15 HOMES IN THE ARBOR OAKS SUBDIVISION WERE INUNDATED WITH WATER FROM SAWMILL BRANCH CANAL. |
| Oct 8, 8:30 AM EDT | FLASH FLOOD | 2 E Magnolia Gardens, SC | LOCAL MEDIA RELAYED PUBLIC REPORT OF FLOODING IN CHARLESTOWNE VILLAGE MOBILE HOME PARK AND SURROUNDING BUSINESSES ACROSS FROM JERRY ZUCKER MIDDLE SCHOOL ON DORCHESTER RD. UNKNOWN DEPTH OF WATER IN MOBILE HOMES AND BUSINESSES. |
| Oct 8, 8:44 AM EDT | HEAVY RAIN 0 | Shadowmoss, SC | TWITTER REPORT OF 2-3 FEET OF STANDING WATER ON MIDDLEBURRY LANE. |
| Oct 8, 9:32 AM EDT | FLASH FLOOD | 1 Nw West Ashley, SC | TWITTER REPORT OF WATER ENTERING HOMES NEAR WEST ASHLEY MIDDLE. |
| Oct 8, 9:32 AM EDT | FLASH FLOOD | 1 Nw West Ashley, SC | TWITTER REPORT OF WATER ENTERING HOMES NEAR WEST ASHLEY MIDDLE. WATER DEPTH IN HOME ESTIMATED TO BE 10-12 INCHES. |
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, 11.9 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
- 220 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted.
902
WGUS52 KCHS 072353
FFWCHS
SCC015-019-029-035-080545-
/O.NEW.KCHS.FF.W.0009.161007T2353Z-161008T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
753 PM EDT FRI OCT 7 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 145 AM EDT
* AT 749 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ASSOCIATED WITH
HURRICANE MATTHEW MOVING ONSHORE. THE COMBINATION OF HEAVY RAIN
AND INCREASING TIDES WILL PRODUCE FLASH FLOODING TONIGHT. LIFE-
THREATENING FLASH FLOODING WILL BE POSSIBLE AFTER 11 PM AS THE
STORM SURGE ASSOCIATED WITH MATTHEW INTENSIFIES.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DOWNTOWN CHARLESTON...NORTH CHARLESTON...MOUNT PLEASANT...
SUMMERVILLE...GOOSE CREEK...HANAHAN...
MCCLELLANVILLE AND EDISTO BEACH.
ADDITIONAL RAINFALL AMOUNTS OF 5 TO 8 INCHES ARE POSSIBLE
THROUGH 145 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3298 7936 3298 7951 3289 7955 3274 7983
3266 7986 3252 8015 3253 8021 3245 8032
3241 8034 3248 8048 3257 8055 3255 8056
3263 8067 3264 8066 3265 8068 3332 7972
3325 7948 3316 7937 3314 7927
$$3 follow-up statements
320
WGUS72 KCHS 080303
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1103 PM EDT FRI OCT 7 2016
SCC015-019-029-035-080545-
/O.CON.KCHS.FF.W.0009.000000T0000Z-161008T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-DORCHESTER SC-BERKELEY SC-COLLETON SC-
1103 PM EDT FRI OCT 7 2016
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FOR
PORTIONS OF CHARLESTON...DORCHESTER...BERKELEY AND COLLETON
COUNTIES...
AT 1057 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. 2 TO 4 INCHES OF RAIN HAS FALLEN SO FAR BASED ON
AUTOMATED GAUGE REPORTS. FLASH FLOODING IS EXPECTED TO BEGIN OVER
THE NEXT FEW HOURS, ESPECIALLY AS WE GET CLOSER TO HIGH TIDE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHARLESTON...NORTH CHARLESTON...MOUNT PLEASANT...SUMMERVILLE...GOOSE
CREEK...HANAHAN...MCCLELLANVILLE AND EDISTO BEACH.
AUTOMATED GAUGES SHOW THAT HOURLY RAINFALL RATES ARE UP TO AROUND 1
TO 1.5 INCHES IN THE HEAVIER PERIODS OF RAIN. ADDITIONAL RAINFALL
AMOUNTS OF 3 TO 6 INCHES WILL BE WIDESPREAD THROUGH THE EARLY
MORNING HOURS BASED ON RADAR TRENDS. THE FLOODING SITUATION WILL
ONLY BECOME MORE DIRE AS WE APPROACH HIGH TIDE AROUND 1 AM. THIS
HIGH TIDE WILL COINCIDE WITH A CONTINUED BUILDING OF STORM SURGE
ASSOCIATED WITH HURRICANE MATTHEW AND FRESH WATER FLOODING
ASSOCIATED WITH ONGOING HEAVY RAIN. THE HIGH TIDE AT CHARLESTON
HARBOR IS EXPECTED TO PEAK AROUND 9 FEET MEAN LOWER LOW WATER, AND
ALL COASTAL LOCATIONS IN THE FLASH FLOOD WARNING SHOULD BRACE FOR A
PERIOD OF VERY SIGNIFICANT FLOODING IN THE EARLY SATURDAY MORNING
HOURS.
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
3266 7986 3252 8015 3253 8021 3245 8032
3241 8034 3248 8048 3257 8055 3255 8056
3263 8067 3264 8066 3265 8068 3332 7972
3325 7948 3316 7937 3314 7927
$$973
WGUS52 KCHS 080523
FFWCHS
SCC015-019-029-035-081345-
/O.EXT.KCHS.FF.W.0009.000000T0000Z-161008T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
123 AM EDT SAT OCT 8 2016
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS EXTENDED THE
* 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 945 AM EDT SATURDAY
* AT 115 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. 3 TO 6 INCHES OF RAIN HAS FALLEN. FLASH FLOODING IS
ALREADY OCCURRING, ESPECIALLY IN DOWNTOWN CHARLESTON DUE TO THE
COMBINATION OF HEAVY RAIN, HIGH TIDE, AND INCREASING STORM SURGE.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHARLESTON...NORTH CHARLESTON...MOUNT PLEASANT...SUMMERVILLE...
GOOSE CREEK...HANAHAN...MCCLELLANVILLE AND EDISTO BEACH.
VERY HEAVY RAINFALL CONTINUES TO ROTATE AROUND HURRICANE MATTHEW AND
SPREAD INTO COASTAL SOUTH CAROLINA. AUTOMATED GAUGES INDICATE THAT
HOURLY RAINFALL RATES CONTINUE TO PEAK AROUND 1 TO 1.5 INCHES PER
HOUR. AS SUCH, AN ADDITIONAL 3 TO 5 INCHES OF RAIN WILL BE POSSIBLE
THROUGH MID MORNING. THE MAJOR CURRENT CONCERN IS ALONG THE COAST
WHERE HIGH TIDE IN CHARLESTON HARBOR IS APPROACHING 9 FEET ABOVE
MEAN LOWER LOW WATER, WHICH IS THE 3RD HIGHEST ON RECORD AND HIGHEST
SINCE HURRICANE HUGO. 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
3266 7986 3252 8015 3253 8021 3245 8032
3241 8034 3248 8048 3257 8055 3255 8056
3263 8067 3264 8066 3265 8068 3332 7972
3325 7948 3316 7937 3314 7927
$$652
WGUS72 KCHS 081052
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
652 AM EDT SAT OCT 8 2016
SCC015-019-029-035-081345-
/O.CON.KCHS.FF.W.0009.000000T0000Z-161008T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHARLESTON SC-DORCHESTER SC-BERKELEY SC-COLLETON SC-
652 AM EDT SAT OCT 8 2016
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
PORTIONS OF CHARLESTON...DORCHESTER...BERKELEY AND COLLETON
COUNTIES...
AT 647 AM EDT...DOPPLER RADAR INDICATED EXTREMELY HEAVY RAINS
ASSOCIATED WITH HURRICANE MATTHEW AFFECTING MUCH OF CHARLESTON...
BERKELEY...DORCHESTER AND COLLETON COUNTIES. THE HEAVIEST RAINS ARE
OCCURRING FROM EDISTO BEACH TO SULLIVANS ISLAND...INCLUDING DOWNTOWN
CHARLESTON...ASSOCIATED WITH THE WESTERN EYE OF THE HURRICANE.
EXTREME RAINFALL RATES COMBINED WITH ONGOING VERY HIGH SURGE WILL
PRODUCE DANGEROUS...LIFE THREATENING FLASH FLOODING IN COASTAL
COMMUNITIES... INCLUDING DOWNTOWN CHARLESTON.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DOWNTOWN CHARLESTON...NORTH CHARLESTON...MOUNT PLEASANT...
SUMMERVILLE...GOOSE CREEK...HANAHAN...
MCCLELLANVILLE AND EDISTO BEACH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.
&&
LAT...LON 3298 7936 3298 7951 3289 7955 3274 7983
3266 7986 3252 8015 3253 8021 3245 8032
3241 8034 3248 8048 3257 8055 3255 8056
3263 8067 3264 8066 3265 8068 3332 7972
3325 7948 3316 7937 3314 7927
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 10:44 AM EDT | Special Marine Warning | CHS | 46 min | |
| Oct 7, 10:55 AM EDT | Special Marine Warning | CHS | 35 min | |
| Oct 7, 11:24 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Oct 7, 2:29 PM EDT | Tornado Warning | CHS | Beaufort, Jasper | 16 min |
| Oct 7, 3:30 PM EDT | Special Marine Warning | CHS | 30 min | |
| Oct 7, 3:40 PM EDT | Tornado Warning | CHS | Beaufort, Jasper | 12 min |
| Oct 7, 4:39 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Oct 7, 5:12 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Oct 7, 5:48 PM EDT | Flash Flood Warning | CHS | Beaufort, Jasper | 17 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.