Alert archive / South Dakota / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Sioux Falls, SD

June 16, 2004Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this flash flood warning at Jun 16, 2004, 4:50 AM CDT for Minnehaha County, South Dakota. It was in force for 55 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 16, 2004, 4:50 AM CDT (09:50 UTC)
Expired
Jun 16, 2004, 5:45 AM CDT
In force
55 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Minnehaha County, SD

The radar

The Sioux Falls radar (KFSD), 3 km from the middle of the area, began a volume at 09:53 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.

What was reported inside it

TimeReportWhereRemark
Jun 16, 5:20 AM CDTFLASH FLOODSioux Falls, SDWATER IN BASEMENTS AND STREET FLOODING.
Jun 16, 5:20 AM CDTFLASH FLOODSioux Falls, SDWATER IN BASEMENTS AND STREET FLOODING.
Jun 16, 5:40 AM CDTFLASH FLOODSioux Falls, SD6.20 INCHES OF RAIN AND BASEMENT FLOODING.
Jun 16, 5:40 AM CDTFLASH FLOODSioux Falls, SD6.20 INCHES OF RAIN AND BASEMENT FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 9.8 hours before the alert went out and 199 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 2004-06-16Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2004-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFSD 160952 CCA
FFWFSD
SDC099-161045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
450 AM CDT WED JUN 16 2004

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 545 AM CDT

* AT 448 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER SIOUX FALLS...MOVING 
  EAST AT 15 MPH. RAINFALL AMOUNTS OF 1 TO 2 INCHES HAVE OCCURED   
  IN SIOUX FALLS BETWEEN 4 AM AND 445 AM.

ADDITIONAL RAINFALL AMOUNTS AROUND 1 INCH ARE POSSIBLE IN THE WARNED 
AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4363 9683 4353 9682 4352 9649 4364 9649

$$

CJ
2 follow-up statements
000 
WGUS73 KFSD 161007 CCA
FFSFSD
SDC099-161045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
503 AM CDT WED JUN 16 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 545 AM CDT FOR...

...SOUTHERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA...

AT 5 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW HEAVY RAIN FALLING ACROSS SOUTHERN MINNEHAHA COUNTY. 2.05 
INCHES OF RAIN HAVE ALREADY FALLEN AT THE SIOUX FALLS AIRPORT 
BETWEEN 4 AND 5 AM. TOTAL RAINFALL AMOUNTS OF 2 TO 3 INCHES CAN BE 
EXPECTED IN THE SIOUX FALLS AREA THROUGH 545 AM CDT. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4368 9647 4350 9648 4350 9693 4367 9693

$$

CJ
000 
WGUS73 KFSD 161031
FFSFSD
SDC099-161045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
528 AM CDT WED JUN 16 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 545 AM CDT FOR...

...SOUTHERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA...

AT 528 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW HEAVY RAINS FROM THUNDERSTORMS IN THE SIOUX FALLS AREA. 2.83 
INCHES OF RAIN HAS ALREADY FALLEN AT THE SIOUX FALLS AIRPORT SINCE 4 
AM CDT. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4368 9648 4352 9647 4352 9699 4369 9696

$$

CPJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:52 PM CDTSevere Thunderstorm WarningFSDBrookings, Kingsbury38 min
Jun 15, 8:25 PM CDTTornado WarningFSDBrookings50 min
Jun 16, 5:44 AM CDTFlash Flood WarningFSDMinnehaha46 min
Jun 16, 6:29 AM CDTFlash Flood WarningFSDMinnehaha2 hr
Jun 16, 10:37 AM CDTFlash Flood WarningFSDUnion113 min

Nearby

Flash Flood Warnings in South Dakota, 2004Every flash flood warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.