Alert archive / South Dakota / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Aberdeen, SD

June 24, 2003Brown County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jun 24, 2003, 9:20 PM CDT for Brown County, South Dakota. It was in force for 115 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
Jun 24, 2003, 9:20 PM CDT (02:20 UTC)
Expired
Jun 24, 2003, 11:15 PM CDT
In force
115 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Brown County, SD

The radar

The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 02:22 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

Aberdeen, SD (KABR), launched 00:00Z, 2.3 hours before the alert went out and 77 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, Aberdeen, SD at 00:00Z on 2003-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 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, Aberdeen, SD at 00:00Z on 2003-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 square meters per square second.19395878Sfc1 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
728 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
552 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KABR 250221
FFWABR
SDC013-250415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
920 PM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BROWN COUNTY IN NORTHEAST SOUTH DAKOTA

* UNTIL 1115 PM CDT

* AT 920 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAINFALL WAS OCCURRING OVER THE WARNED AREA.

AT 920 PM CDT...BROWN COUNTY EMERGENCY MANAGER REPORTED WATER 
OVERTOPPING THE ROAD ALONG BROWN COUNTY 14 NORTH OF BROWN COUNTY 11. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD.
NEARLY HALF OF ALL FLOOD FATALITIES ARE VEHICLE RELATED.

$$
KEARNS

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 7:18 PM CDTSevere Thunderstorm WarningABRHughes, Hyde42 min
Jun 24, 7:23 PM CDTTornado WarningABRHyde37 min
Jun 24, 7:25 PM CDTTornado WarningABRDay, Marshall50 min
Jun 24, 7:30 PM CDTTornado WarningABRCodington45 min
Jun 24, 7:49 PM CDTTornado WarningABRBuffalo, Hand26 min
Jun 24, 8:10 PM CDTTornado WarningABRMarshall, Roberts35 min
Jun 24, 8:15 PM CDTTornado WarningABRHand30 min
Jun 24, 8:26 PM CDTTornado WarningABRClark, Hamlin49 min
Jun 24, 9:00 PM CDTSevere Thunderstorm WarningABRClark60 min
Jun 24, 9:11 PM CDTTornado WarningABRHamlin49 min
Jun 24, 9:24 PM CDTTornado WarningABRClark51 min
Jun 24, 9:37 PM CDTTornado WarningABRCodington38 min
Jun 24, 9:57 PM CDTFlash Flood WarningABRClark, Codington, Hamlin3 hr
Jun 24, 10:05 PM CDTSevere Thunderstorm WarningABRLyman40 min
Jun 24, 11:09 PM CDTFlash Flood WarningABRDay, Marshall, Roberts6 hr

Nearby

Flash Flood Warnings in South Dakota, 2003Every flash flood warning in 2003

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.