Alert archive / South Dakota / Flash Flood Warnings in 1993

Flash Flood Warning 2, NWS Aberdeen, SD

July 24, 1993Brown County, Day County, Spink County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jul 24, 1993, 8:25 PM CDT for Brown County, Day County, Spink County, South Dakota. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 1993, 8:25 PM CDT (01:25 UTC)
Expired
Jul 25, 1993, 12:30 AM CDT
In force
4 hr
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Brown County, SD, Day County, SD, Spink County, SD

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.4 hours before the alert went out and 259 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, Bismarck Municip, ND at 00:00Z on 1993-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 1993-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
88 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 Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 7:03 PM CDTSevere Thunderstorm WarningABRRoberts42 min
Jul 24, 7:14 PM CDTSevere Thunderstorm WarningABRHand31 min
Jul 24, 7:38 PM CDTSevere Thunderstorm WarningABRSpink67 min
Jul 24, 8:06 PM CDTFlash Flood WarningABRDay, Marshall, Roberts4 hr
Jul 24, 8:07 PM CDTSevere Thunderstorm WarningABRBeadle47 min
Jul 24, 9:11 PM CDTFlash Flood WarningABRCodington, Deuel, Grant, Hamlin2 hr
Jul 24, 9:11 PM CDTFlash Flood WarningABRClark2 hr
Jul 24, 11:05 PM CDTFlash Flood WarningABRClark, Codington, Hamlin6 hr
Jul 24, 11:05 PM CDTFlash Flood WarningABRDeuel, Grant6 hr
Jul 25, 12:01 AM CDTFlash Flood WarningABRDay, Marshall, Roberts4 hr

Nearby

Flash Flood Warnings in South Dakota, 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.