Alert archive / South Carolina / Flash Flood Warnings in 2002
Flash Flood Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Aug 29, 2002, 11:41 AM EDT for Colleton County, South Carolina. It was in force for 79 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2002, 11:41 AM EDT (15:41 UTC)
- Expired
- Aug 29, 2002, 1:00 PM EDT
- In force
- 79 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
County Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 42 km from the middle of the area, began a volume at 15:41 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 12:00Z, 3.7 hours before the alert went out and 61 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
- 38 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KCHS 291541 FFWCHS SCC029-291700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 1141 AM EDT THU AUG 29 2002 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * FLASH FLOOD WARNING FOR... COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 100 PM EDT. * AT 1141 AM EDT...RADAR INDICATED AN AREA OF PERSISTENT HEAVY RAIN FROM CANADYS THROUGH WALTERBORO TO HENDERSONVILLE. THE AREA OF HEAVY RAIN IS NEARLY STATIONARY. RADAR ESTIMATES AS MUCH AS 3 TO 5 INCHES OF RAIN HAS FALLEN OVER THIS AREA SINCE MID MORNING. ADDITIONAL HEAVY RAINFALL WILL CAUSE FLASH FLOODING. * FLOODING WILL OCCUR IN AND AROUND... CANADYS... WALTERBORO... INTERSTATE 95 BETWEEN MILE MARKERS 68 AND 53 RHODES CROSSROADS... SIDNEY... HENDERSONVILLE... 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 FOR HIGHER GROUND. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. $$ LAT...LON 3285 8082 3279 8063 3304 8051 3310 8068 ST
1 follow-up statement
000 WGUS72 KCHS 291628 FFSCHS SCC029-291700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 1227 PM EDT THU AUG 29 2002 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR COLLETON COUNTY UNTIL 1 PM EDT... AT 1225 PM...RADAR INDICATED VERY HEAVY RAIN PERSISTING ACROSS NORTHERN COLLETON COUNTY FROM CANADYS TO SIDNEY SOUTH TO WALTERBORO AND HENDERSONVILLE. RADAR ESTIMATES AS MUCH AS 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS IN THESE AREAS WITH AS MUCH AS 5 TO 6 INCHES BETWEEN CANADYS AND SIDNEY. THE FLASH FLOOD WARNING WILL LIKELY BE EXTENDED BEYOND 1 PM. DANGEROUS FLOODING IS LIKELY IN PROGRESS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. REPORT FLOODING TO LOCAL LAW ENFORCEMENT AND ASK THEM TO RELAY THIS INFORMATION TO THE NATIONAL WEATHER SERVICE IN CHARLESTON. $$ ST
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 12:14 PM EDT | Flash Flood Warning | CHS | Dorchester | 91 min |
| Aug 29, 12:47 PM EDT | Flash Flood Warning | CHS | Colleton | 3 hr |
| Aug 29, 1:36 PM EDT | Flash Flood Warning | CHS | Dorchester | 2 hr |
Nearby
Flash Flood Warnings in South Carolina, 2002Every flash flood warning in 2002
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.