Alert archive / South Carolina / Flash Flood Warnings in 1994
Flash Flood Warning 6, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Oct 13, 1994, 9:39 AM EDT for Berkeley County, Charleston County, Dorchester County, South Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 13, 1994, 9:39 AM EDT (13:39 UTC)
- Expired
- Oct 13, 1994, 12:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
Counties Berkeley County, SC, Charleston County, SC, Dorchester County, SC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 1.7 hours before the alert went out and 15 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
- 565 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 392 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCAE 131341 FFWCHS SCC015-019-035-131645- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHARLESTON SC ISSUED BY COLUMBIA SC 939 AM EDT THU OCT 13 1994 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CAROLINA ...BERKELEY COUNTY...CHARLESTON COUNTY...DORCHESTER COUNTY HEAVY RAINFALL HAS BEEN OCCURRING OVER BERKELEY...CHARLESTON AND DORCHESTER COUNTIES THROUGH MUCH OF THE NIGHT. RAINFALL AMOUNTS HAVE AVERAGED 2 TO 3 INCHES SINCE 3 AM. RAINFALL...MODERATE TO HEAVY AT TIMES IS EXPECTED TO CONTINUE THROUGH MUCH OF THE DAY. SEVERAL ROADS HAVE REPORTEDLY BEEN CLOSED IN THE AFFECTED AREAS BY EMERGENCY MANAGEMENT OFFICIALS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL TELEVISION OR RADIO STATION FOR FURTHER UPDATES ON THIS SITUATION.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Oct 13, 5:35 AM EDT, 4 hours 4 minutes before
GAZ101-118-119-116-117-100-138-139-140-141-131030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAVANNAH GA 430 AM EDT THU OCT 13 1994 ...A FLASH FLOOD WARNING IS IN EFFECT FOR CHATHAM...EFFINGHAM...BRYAN... BULLOCH...AND LIBERTY COUNTIES UNTIL 9 AM... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST GEORGIA AND MOST OF SOUTH CENTRAL GEORGIA TODAY AND TONIGHT... ...A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE GEORGIA COAST TODAY... ...THE COASTAL FLOOD WATCH AND HEAVY SURF ADVISORY FOR THE GEORGIA COAST HAVE BEEN CANCELLED... AT 425 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF HEAVY RAIN AND ISOLATED THUNDERSTORMS IN CHATHAM COUNTY NEAR SAVANNAH. THESE STORMS WILL CONTINUE TO COMPOUND THE WIDESPREAD FLOODING PROBLEMS THROUGHOUT CHATHAM COUNTY THROUGH SUNRISE AND ARE CAPABLE OF PRODUCING RAINFALL RATES IN EXCESS OF ONE INCH PER HOUR FOR THE NEXT FEW HOURS ON TOP OF THE NEARLY 14 INCHES PORTIONS OF THE CITY HAVE RECEIVED SINCE WEDNESDAY MORNING. THE HEAVY RAIN THAT WAS FALLING IN PORTIONS OF BRYAN...BULLOCH...LIBERTY... AND EFFINGHAM COUNTIES HAS DIMINISHED SINCE 3 AM. NUMEROUS ROADS AND STREAMS REMAIN FLOODED IN THESE COUNTIES. SINCE FLOODING DUE TO RUNOFF FROM UP TO 10 INCHES OF RAIN IN THE PAST 18 HOURS WILL CONTINUE THROUGH THE MID-MORNING...THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL 9 AM. ALONG THE COAST...WIND SPEEDS ARE BEGINNING TO DECREASE. THIS WILL ALLOW THE SEAS TO SETTLE AND THE TIDES TO RETURN TO NEAR NORMAL LEVELS OVER THE NEXT 24 HOURS. THEREFORE..THE THREAT OF COASTAL FLOODING HAS BEEN MINIMIZED. RESIDENTS IN SOUTHEAST AND SOUTH CENTRAL GEORGIA ARE URGED TO STAY TUNED TO NOAA WEATHER RADIO OR A LOCAL TELEVISION OR RADIO STATION FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Oct 13, 9:28 AM EDT, 11 minutes before
GAZ101-118-119-116-117-100-138-139-140-141-131630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAVANNAH GA 930 AM EDT THU OCT 13 1994 ...THE FLASH FLOOD WARNING FOR EFFINGHAM...BRYAN...BULLOCH...AND LIBERTY COUNTIES EXPIRED AT 900 AM EDT... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST GEORGIA AND MOST OF SOUTH CENTRAL GEORGIA TODAY AND TONIGHT... ...A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE GEORGIA COAST TODAY... AT 925 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT ALL OF THE RAIN AND THUNDERSTORMS HAVE MOVED OFFSHORE AND NO LONGER POSED A THREAT FOR SOUTHEAST GEORGIA. HOWEVER...NUMEROUS ROADS AND STREAMS REMAIN FLOODED ACROSS PARTS OF EFFINGHAM...BRYAN...BULLOCH...CHATHAM AND LIBERTY COUNTIES. FLOODWATERS WILL BE SLOW TO RECEED DURING THE DAY BECAUSE OF SATUATED GROUND AND FLOODED DRAINAGE DITCHES. RAINFALL AMOUTNTS ACROSS THE AREA FOR THE PAST 24 HOURS RANGED FROM 6 TO 10 INCHES WITH SOME LOCAL AMOUNTS OVER 14 INCHES. ALONG THE COAST...WIND SPEEDS HAVE DECREASED SUBSTANTIALLY AND WERE GENERALLY LESS THAN 15 KNOTS. TIDES ARE STILL AVERAGING ABOUT 2 FEET ABOVE NORMAL. HOWEVER...SINCE THE TIDE IS CURRENTLY MOVING TOWARD A LOW AT 958 AM EDT THE THREAT FOR COASTAL FLOODING HAS BEEN MINIMIZED. MOTORISTS IN SOUTHEAST GEORGIA SHOULD BE AWARE OF ROAD CLOSURES AND SHOULD NEVER ATTEMPT TO CROSS WATER COVERED ROADS. THIS WILL BE THE LAST WEATHER STATEMENT ISSUED BY THE NATIONAL WEATHER SERVICE IN SAVANNAH UNLESS WEATHER CONDITIONS CHANGE.
Special weather statement, Oct 13, 9:30 AM EDT, 9 minutes before
GAZ101-118-119-116-117-100-138-139-140-141-131630- SPECIAL WEATHER STATEMENT...CORRECTION TO INCLUDE CHATHAM COUNTY IN EXPIRATION..NATIONAL WEATHER SERVICE SAVANNAH GA 930 AM EDT THU OCT 13 1994 ...THE FLASH FLOOD WARNING FOR EFFINGHAM...BRYAN...BULLOCH...LIBERTY...AND CHATHAM COUNTIES EXPIRED AT 900 AM EDT... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST GEORGIA AND MOST OF SOUTH CENTRAL GEORGIA TODAY AND TONIGHT... ...A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE GEORGIA COAST TODAY... AT 925 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT ALL OF THE RAIN AND THUNDERSTORMS HAVE MOVED OFFSHORE AND NO LONGER POSED A THREAT FOR SOUTHEAST GEORGIA. HOWEVER...NUMEROUS ROADS AND STREAMS REMAIN FLOODED ACROSS PARTS OF EFFINGHAM...BRYAN...BULLOCH...CHATHAM AND LIBERTY COUNTIES. FLOODWATERS WILL BE SLOW TO RECEED DURING THE DAY BECAUSE OF SATUATED GROUND AND FLOODED DRAINAGE DITCHES. RAINFALL AMOUTNTS ACROSS THE AREA FOR THE PAST 24 HOURS RANGED FROM 6 TO 10 INCHES WITH SOME LOCAL AMOUNTS OVER 14 INCHES. ALONG THE COAST...WIND SPEEDS HAVE DECREASED SUBSTANTIALLY AND WERE GENERALLY LESS THAN 15 KNOTS. TIDES ARE STILL AVERAGING ABOUT 2 FEET ABOVE NORMAL. HOWEVER...SINCE THE TIDE IS CURRENTLY MOVING TOWARD A LOW AT 958 AM EDT THE THREAT FOR COASTAL FLOODING HAS BEEN MINIMIZED. MOTORISTS IN SOUTHEAST GEORGIA SHOULD BE AWARE OF ROAD CLOSURES AND SHOULD NEVER ATTEMPT TO CROSS WATER COVERED ROADS. THIS WILL BE THE LAST WEATHER STATEMENT ISSUED BY THE NATIONAL WEATHER SERVICE IN SAVANNAH UNLESS WEATHER CONDITIONS CHANGE.
Special weather statement, Oct 13, 9:39 AM EDT, 0 minutes before
GAZ101-118-119-116-117-100-138-139-140-141-131630- SPECIAL WEATHER STATEMENT...CORRECTION TO INCLUDE CHATHAM COUNTY IN EXPIRATION..NATIONAL WEATHER SERVICE SAVANNAH GA 930 AM EDT THU OCT 13 1994 ...THE FLASH FLOOD WARNING FOR EFFINGHAM...BRYAN...BULLOCH...LIBERTY...AND CHATHAM COUNTIES EXPIRED AT 900 AM EDT... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST GEORGIA AND MOST OF SOUTH CENTRAL GEORGIA TODAY AND TONIGHT... ...A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE GEORGIA COAST TODAY... AT 925 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT ALL OF THE RAIN AND THUNDERSTORMS HAVE MOVED OFFSHORE AND NO LONGER POSED A THREAT FOR SOUTHEAST GEORGIA. HOWEVER...NUMEROUS ROADS AND STREAMS REMAIN FLOODED ACROSS PARTS OF EFFINGHAM...BRYAN...BULLOCH...CHATHAM AND LIBERTY COUNTIES. FLOODWATERS WILL BE SLOW TO RECEED DURING THE DAY BECAUSE OF SATUATED GROUND AND FLOODED DRAINAGE DITCHES. RAINFALL AMOUTNTS ACROSS THE AREA FOR THE PAST 24 HOURS RANGED FROM 6 TO 10 INCHES WITH SOME LOCAL AMOUNTS OVER 14 INCHES. ALONG THE COAST...WIND SPEEDS HAVE DECREASED SUBSTANTIALLY AND WERE GENERALLY LESS THAN 15 KNOTS. TIDES ARE STILL AVERAGING ABOUT 2 FEET ABOVE NORMAL. HOWEVER...SINCE THE TIDE IS CURRENTLY MOVING TOWARD A LOW AT 958 AM EDT THE THREAT FOR COASTAL FLOODING HAS BEEN MINIMIZED. MOTORISTS IN SOUTHEAST GEORGIA SHOULD BE AWARE OF ROAD CLOSURES AND SHOULD NEVER ATTEMPT TO CROSS WATER COVERED ROADS.T THIS WILL BE THE LAST WEATHER STATEMENT ISSUED BY THE NATIONAL WEATHER SERVICE IN SAVANNAH UNLESS WEATHER CONDITIONS CHANGE.
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 9:58 PM EDT | Flash Flood Warning | CHS | Beaufort | 8 hr |
| Oct 12, 9:58 PM EDT | Flash Flood Warning | CHS | Jasper | 8 hr |
| Oct 13, 7:09 AM EDT | Flash Flood Warning | CHS | Jasper | 4 hr |
| Oct 13, 7:09 AM EDT | Flash Flood Warning | CHS | Beaufort | 4 hr |
| Oct 13, 11:18 AM EDT | Flash Flood Warning | CHS | Georgetown, Williamsburg | 3 hr |
| Oct 13, 2:21 PM EDT | Flash Flood Warning | CHS | Georgetown, Williamsburg | 3 hr |
| Oct 13, 2:21 PM EDT | Flash Flood Warning | CHS | Horry | 3 hr |
| Oct 13, 5:31 PM EDT | Flash Flood Warning | CHS | Georgetown, Williamsburg | 5 hr |
| Oct 13, 5:31 PM EDT | Flash Flood Warning | CHS | Horry | 5 hr |
Nearby
Flash Flood Warnings in South Carolina, 1994Every flash flood warning in 1994
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.