Alert archive / South Carolina / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Columbia, SC

June 19, 1989Richland County, South Carolina

NWS Columbia, SC issued this flash flood warning at Jun 19, 1989, 6:37 PM EDT for Richland County, South Carolina. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 19, 1989, 6:37 PM EDT (22:37 UTC)
Expired
Jun 20, 1989, 12:30 AM EDT
In force
6 hr
Issued by
NWS Columbia, SC
Area
Whole counties

County Richland County, SC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 10.6 hours before the alert went out and 221 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, Athens Municipal, GA at 12:00Z on 1989-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 583 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1989-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
583 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:56 PM EDTSevere Thunderstorm WarningCAENewberry64 min
Jun 19, 5:36 PM EDTSevere Thunderstorm WarningCAELexington, Richland69 min
Jun 19, 6:24 PM EDTFlash Flood WarningCAELexington6 hr
Jun 19, 6:54 PM EDTSevere Thunderstorm WarningCAEKershaw66 min

Nearby

Flash Flood Warnings in South Carolina, 1989Every flash flood warning in 1989

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.