Alert archive / South Carolina / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Columbia, SC

March 7, 1996Edgefield County, McCormick County, South Carolina

NWS Columbia, SC issued this flash flood warning at Mar 7, 1996, 3:02 PM EST for Edgefield County, McCormick County, South Carolina. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 7, 1996, 3:02 PM EST (20:02 UTC)
Expired
Mar 7, 1996, 9:00 PM EST
In force
6 hr
Issued by
NWS Columbia, SC
Area
Whole counties

Counties Edgefield County, SC, McCormick County, SC

The radar

The Columbia radar (KCAE), 95 km from the middle of the area, began a volume at 20:05 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, 8.0 hours before the alert went out and 224 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 1996-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 1996-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
375 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCAE 072003
FFWCAE
SCC037-065-080200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
302 PM EST THU MAR 7 1996
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  900 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  SOUTH CAROLINA
 
   ...WESTERN EDGEFIELD COUNTY...SOUTHERN MCCORMICK COUNTY
 
THE NATIONAL WEATHER SERVICE IN COLUMIBA HAS ISSUED A FLASH FLOOD
WARNING FOR SOUTHERN MCCORMICK AND WESTERN EDGEFIELD COUNTIES. HEAVY
RAIN OVER THE PAST TWO DAYS HAVE CAUSED CREEKS AND STREAMS TO RISE NEAR
AND ABOVE BANKFULL. RAINFALL TOTALS OF 2 TO 4 INCHES HAVE OCCURED OVER
THE PAST 24 HOURS. AT 100 PM THIS AFTERNOON THE GAGE ON
STEVENS CREEKS AT MODOC WAS 19.97 FEET. FLOOD STAGE IS 18.0 FEET.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW $SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
VAUGHAN

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 8:03 AM ESTFlash Flood WarningCAEAiken, Lexington6 hr
Mar 7, 8:03 AM ESTFlash Flood WarningCAEKershaw, Richland6 hr
Mar 7, 8:03 AM ESTFlash Flood WarningCAEChesterfield6 hr
Mar 7, 8:47 AM ESTSevere Thunderstorm WarningCAELee28 min
Mar 7, 12:17 PM ESTTornado WarningCAEClarendon28 min

Nearby

Flash Flood Warnings in South Carolina, 1996Every flash flood warning in 1996

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.