Alert archive / Mississippi / Flash Flood Warnings in 1993

Flash Flood Warning 11, NWS Memphis, TN

August 5, 1993DeSoto County, Mississippi

NWS Memphis, TN issued this flash flood warning at Aug 5, 1993, 8:07 PM CDT for DeSoto County, Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 5, 1993, 8:07 PM CDT (01:07 UTC)
Expired
Aug 5, 1993, 10:15 PM CDT
In force
2 hr
Issued by
NWS Memphis, TN
Area
Whole counties

County DeSoto County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.1 hours before the alert went out and 6 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, Little Rock, AR at 00:00Z on 1993-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 684 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 1993-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 km3 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
684 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.8

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 Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 7:36 PM CDTSevere Thunderstorm WarningMEGDeSoto39 min
Aug 5, 8:01 PM CDTSevere Thunderstorm WarningMEGTippah29 min
Aug 5, 8:10 PM CDTTornado WarningMEGHardeman35 min

Nearby

Flash Flood Warnings in Mississippi, 1993Every flash flood warning in 1993

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.