Alert archive / South Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 20, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Jul 26, 2003, 6:06 AM EDT for Berkeley County, Charleston County, South Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2003, 6:06 AM EDT (10:06 UTC)
- Expired
- Jul 26, 2003, 9:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
Counties Berkeley County, SC, Charleston County, SC
The radar
The Charleston,SC radar (KCLX), 114 km from the middle of the area, began a volume at 10:09 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, 10.1 hours before the alert went out and 28 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
- 1122 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KCHS 261013
FFWCHS
SCC015-019-261300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
606 AM EDT SAT JUL 26 2003
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA...
CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 900 AM EDT
* AT 606 AM EDT...RADAR INDICATED VERY HEAVY RAIN OCCURRING ALONG A
LINE EXTENDING FROM CROSS TO 3 MILES WEST OF HUGER TO 13 MILES EAST
OF ISLE OF PALMS. THE THUNDERSTORMS PRODUCING THE HEAVY RAIN ARE
MOVING NORTHEAST AT 10 MPH. AREAS FROM AWENDAW...TO
MCCLELLANVILLE...AND INTO SOUTHERN BERKELEY COUNTY NEAR JAMESTOWN
TO BETHERA...WILL LIKELY EXPERIENCE FLOODING RAINS OVER THE
NEXT SEVERAL HOURS. IN ADDITION...RAINS OFFSHORE OF CHARLESTON
COUNTY WILL MOVE INLAND...PRODUCING FLOODING NEAR DOWNTOWN
CHARLESTON.
* FLASH FLOODING WILL OCCUR IN AND AROUND...
PINOPOLIS AND MONCKS CORNER...
CROSS...
HUGER...
EADYTOWN AND BONNEAU BEACH...
BONNEAU...
DOWNTOWN CHARLESTON...
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE RAPID FLOODING OF
ROADWAYS...SMALL CREEKS AND STREAMS...LOW-LYING AREAS AND DITCHES.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON AT 843-747-5046.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...ACT
QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN
AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3326 8033 3291 8006 3267 7995 3313 7927
3332 7973 3353 8012
$$
PY3 follow-up statements
000 WGUS72 KCHS 261138 FFSCHS SCC015-019-261300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 732 AM EDT SAT JUL 26 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BERKELEY AND CHARLESTON COUNTIES UNTIL 900 AM EDT... AT 732 AM...CHARLESTON DOPPLER RADAR INDICATES STRONG THUNDERSTORMS OFF THE COAST OF CHARLESTON COUNTY...APPROACHING BULLS BAY. THESE STORMS...WITH RAIN RATES NEAR 2 INCHES PER HOUR...WILL MOVE ACROSS NORTHEAST CHARLESTON COUNTY FROM AWENDAW TO MCCLELLANVILLE. THIS AREA IN PARTICULAR HAS ALREADY HAD 2 TO 3 INCHES OF RAIN THIS MORNING. ANY ADDITIONAL RAINS WILL LIKELY CAUSE FLASH FLOODING. A LARGE AREA OF SHOWERS AND THUNDERSTORMS WILL ALSO MOVE ACROSS PORTIONS OF BERKELEY COUNTY...AND OVER THE AREA FROM BEAUFORT TO DOWNTOWN CHARLESTON. THE POSSIBILITY OF FLASH FLOODING WILL CONTINUE THROUGH THE MORNING HOURS AS SHOWERS AND STORMS ARE LINING UP OFFSHORE...MOVING NORTH TOWARD THE COAST. STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR ADDITIONAL SEVERE WEATHER INFORMATION. REPORT ANY FLOODING OR DAMAGE CAUSED BY FLOODING TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON. A FLOOD WATCH REMAINS IN EFFECT UNTIL NOON. LAT...LON 3338 7988 3311 7933 3270 7997 3321 8025 $$ PY
000 WGUS72 KCHS 261231 FFSCHS SCC015-019-261300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 825 AM EDT SAT JUL 26 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BERKELEY AND CHARLESTON COUNTIES UNTIL 900 AM EDT... AT 825 AM...CHARLESTON NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO INDICATE A LARGE AREA OF SHOWER AND THUNDERSTORM ACTIVITY FROM NEAR BEAUFORT...TO LAKE MOULTRIE...AND BACK DOWN TOWARD MCCLELLANVILLE. SOME OF THE HEAVIEST RAINS OVER THE NEXT HALF HOUR WILL OCCUR NEAR MCCLELLANVILLE...WHERE RAIN TOTALS OF 2 TO 3 INCHES HAVE ALREADY FALLEN OVERNIGHT. WHILE THE THREAT OF IMMINENT FLASH FLOODING HAS DECREASED OVER THE PAST HOUR...RUNOFF FROM EARLIER RAINS HAS THE POTENTIAL TO FLOOD AREA ROADS ACROSS MUCH OF BERKELEY COUNTY...AND THE NORTHERN HALF OF CHARLESTON COUNTY. THERE ARE REPORTS OF HIGH WATER ON CAINHOY ROAD AT CHARITY CHURCH ROAD. STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR ADDITIONAL SEVERE WEATHER INFORMATION. REPORT ANY FLOODING OR DAMAGE CAUSED BY FLOODING TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO DRIVE WHERE WATER COVERS THE ROADWAY. A FLOOD WATCH REMAINS IN EFFECT UNTIL NOON. LAT...LON 3329 7966 3314 7928 3270 7996 3318 8019 $$ PY
000 WGUS72 KCHS 261311 FFSCHS SCC015-019-261330- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 904 AM EDT SAT JUL 26 2003 ...THE FLASH FLOOD WARNING FOR BERKELEY AND CHARLESTON COUNTIES HAS BEEN ALLOWED TO EXPIRE... AT 904 AM...LIGHT TO MODERATE RAINS CONTINUE TO FALL THROUGHOUT BERKELEY AND CHARLESTON COUNTIES. THIS IS ALLOWING FOR WATER TO RECEDE ACROSS THESE COUNTIES FOR THE TIME BEING. WHILE SOME RURAL AND CITY ROADS ACROSS SOUTHERN BERKELEY AND NORTHEAST CHARLESTON COUNTY MAY REMAIN FLOODED OVER THE NEXT FEW HOURS...THE IMMINENT DANGER OF FLASH FLOODING OVER CHARLESTON AND BERKELEY COUNTIES WAS DIMINISHED. HOWEVER...ADDITIONAL STORMS ARE FORMING OFF THE SOUTH CAROLINA COAST AND WILL LIKELY MOVE INLAND LATE THIS MORNING INTO THE AFTERNOON. A FLOOD WATCH WILL REMAIN IN EFFECT UNTIL NOON...AND MAY BE EXTENDED THROUGH THE AFTERNOON HOURS. RESIDENTS OF SOUTHEAST SOUTH CAROLINA SHOULD BE ON THE LOOKOUT FOR HEAVY DOWNPOURS THIS MORNING. MINOR STREET FLOODING WILL OCCUR VERY QUICKLY AS THESE STORMS WILL PRODUCE RAIN RATES OF 1 TO 2 INCHES PER HOUR. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO DRIVE WHERE WATER COVERS THE ROADWAY. STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR ADDITIONAL SEVERE WEATHER INFORMATION. $$ PY
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 8:04 PM EDT | Special Marine Warning | CHS | 86 min | |
| Jul 25, 9:35 PM EDT | Special Marine Warning | CHS | 115 min |
Nearby
Flash Flood Warnings in South Carolina, 2003Every flash flood warning in 2003
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.