Alert archive / South Carolina / Flash Flood Warnings in 2014
Flash Flood Warning 16, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Aug 3, 2014, 3:37 AM EDT for Beaufort County, Jasper County, South Carolina; Chatham County, Georgia. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2014, 3:37 AM EDT (07:37 UTC)
- Expired
- Aug 3, 2014, 5:30 AM EDT
- In force
- 113 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chatham County, GA, Beaufort County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 77 km from the middle of the area, began a volume at 07:41 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 00:00Z, 7.6 hours before the alert went out and 139 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
- 1136 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 586 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
611
WGUS52 KCHS 030737
FFWCHS
GAC051-SCC013-053-030930-
/O.NEW.KCHS.FF.W.0016.140803T0737Z-140803T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
337 AM EDT SUN AUG 3 2014
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN CHATHAM COUNTY IN SOUTHEAST GEORGIA...
SOUTHWESTERN BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTH CENTRAL JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 530 AM EDT
* AT 334 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OCCURRING ALONG A LINE EXTENDING FROM THUNDERBOLT
TO 16 MILES SOUTHWEST OF OSSABAW SOUND...OR ALONG A LINE EXTENDING
FROM SAVANNAH TO 22 MILES SOUTHEAST OF RICHMOND HILL...MOVING NORTH
AT 10 MPH.
TORRENTIAL RAINS IN EXCESS OF 2 INCHES AN HOUR COMBINED WITH
LIGHT ONSHORE WINDS AND ELEVATED TIDES WILL PRODUCE EXCESSIVE RAINS
ACROSS MUCH OF EASTERN CHATHAM COUNTY INTO FAR EASTERN JASPER AND
BEAUFORT COUNTIES SOUTH OF BLUFFTON.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
SKIDAWAY ISLAND...WHITEMARSH ISLAND...ISLE OF HOPE...THUNDERBOLT...
SANDFLY...SANDFLY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU CAN NOT SEE THE ROAD DUE TO INTENSE NIGHT RAINFALL...YOU
SHOULD NOT DRIVE.
HIGH TIDE WILL INHIBIT RUNOFF OF HEAVY RAIN...FLOODING AREAS OF POOR
DRAINAGE IN DOWNTOWN CHARLESTON. AREAS MOST PRONE TO FLOODING INCLUDE
THE MARKET...CROSSTOWN...EAST BAY STREET AND MORRISON DRIVE.
&&
LAT...LON 3182 8117 3186 8114 3190 8119 3190 8120
3214 8114 3226 8090 3213 8076 3210 8083
3211 8083 3212 8083 3205 8090 3202 8088
3202 8084 3197 8085 3194 8091 3190 8094
3183 8104 3176 8107 3173 8112
$$2 follow-up statements
858
WGUS72 KCHS 030847
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
447 AM EDT SUN AUG 3 2014
GAC051-SCC013-053-030930-
/O.CON.KCHS.FF.W.0016.000000T0000Z-140803T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER SC-CHATHAM GA-BEAUFORT SC-
447 AM EDT SUN AUG 3 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM EDT FOR
SOUTHWESTERN BEAUFORT...EASTERN CHATHAM AND SOUTH CENTRAL JASPER
COUNTIES...
AT 442 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF HEAVY RAIN ALONG COASTAL CHATHAM COUNTY...MOVING
NORTHEAST AT 20 MPH. THE INTENSITY OF THE RAIN WAS DIMINISHING.
FLASH FLOODING IS EXPECTED IN AND AROUND ISLE OF HOPE...RIVERSIDE...
SANDFLY...SAVANNAH...SKIDAWAY ISLAND...THUNDERBOLT...TYBEE ISLAND...
VERNONBURG...WHITE BLUFF...WILMINGTON ISLAND...WINDSOR FOREST...FORT
PULASKI NATIONAL MONUMENT...HUTCHINSON ISLAND...MONTGOMERY...OSSABAW
SOUND...SAVANNAH HISTORIC DISTRICT...WASSAW ISLAND...WHITEMARSH
ISLAND AND BELLINGER HILL AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WATER DEPTH IS NEARLY IMPOSSIBLE TO DETERMINE AT NIGHT. DO NOT
ATTEMPT TO CROSS WATER ON THE ROADWAY EVEN IF IT APPEARS SHALLOW.
FIND AN ALTERNATE ROUTE. A SHORT DELAY IN YOUR TRAVEL PLANS IS BETTER
THAN LOSING YOUR CAR...OR YOUR LIFE.
&&
LAT...LON 3182 8117 3186 8114 3190 8117 3190 8120
3212 8110 3224 8091 3213 8076 3210 8082
3212 8083 3207 8088 3205 8090 3202 8088
3202 8084 3197 8085 3196 8094 3190 8094
3183 8104 3177 8107 3173 8112
$$157
WGUS72 KCHS 030925
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
525 AM EDT SUN AUG 3 2014
GAC051-SCC013-053-030930-
/O.EXP.KCHS.FF.W.0016.000000T0000Z-140803T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER SC-CHATHAM GA-BEAUFORT SC-
525 AM EDT SUN AUG 3 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 AM EDT FOR FOR
SOUTHWESTERN BEAUFORT...EASTERN CHATHAM AND SOUTH CENTRAL JASPER
COUNTIES...
RADAR RAINFALL AMOUNTS WERE ESTIMATED FROM 4 TO 5 INCHES OVERNIGHT
TO THE SOUTH OF HIGHWAY 80 AND TO THE EAST OF WHITEMARSH AND
WILMINGTON ISLANDS. THE RAINS HAVE DIMINISHED AND THE WARNING WILL
EXPIRE.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH
TWITTER USING #WXREPORT.
LAT...LON 3182 8117 3186 8114 3190 8117 3190 8120
3212 8110 3224 8091 3213 8076 3210 8082
3212 8083 3207 8088 3205 8090 3202 8088
3202 8084 3197 8085 3196 8094 3190 8094
3183 8104 3177 8107 3173 8112
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 3:06 AM EDT | Areal Flood Advisory | CHS | Jasper | 84 min |
| Aug 3, 3:20 AM EDT | Special Marine Warning | CHS | 40 min | |
| Aug 3, 4:33 AM EDT | Special Weather Statement | CHS | Colleton | 27 min |
| Aug 3, 6:01 AM EDT | Special Marine Warning | CHS | 59 min | |
| Aug 2, 8:13 PM EDT | Special Weather Statement | CHS | Bryan | 47 min |
| Aug 2, 8:30 PM EDT | Areal Flood Advisory | CHS | Bryan, Evans, Liberty, Tattnall | 90 min |
| Aug 2, 8:42 PM EDT | Special Weather Statement | CHS | Tattnall | 18 min |
| Aug 2, 8:55 PM EDT | Areal Flood Advisory | CHS | Tattnall | 95 min |
| Aug 2, 8:59 PM EDT | Special Weather Statement | CHS | Tattnall | 61 min |
Nearby
Flash Flood Warnings in South Carolina, 2014Flash Flood Warnings in Georgia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.