Alert archive / South Dakota / Flash Flood Warnings in 2004

Flash Flood Warning 14, NWS Sioux Falls, SD

June 16, 2004Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this flash flood warning at Jun 16, 2004, 5:44 AM CDT for Minnehaha County, South Dakota. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 16, 2004, 5:44 AM CDT (10:44 UTC)
Expired: Jun 16, 2004, 6:30 AM CDT
In force: 46 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), 5 km from the middle of the area, began a volume at 10:47 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, 10.7 hours before the alert went out and 198 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 161046
FFWFSD
SDC099-161130-

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 630 AM CDT

* AT 542 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED   
  TO SHOW THUNDERSTORMS PRODUCING HEAVY RAINS IN THE SIOUX FALLS  
  AREA. 6.2 INCHES OF RAIN HAS BEEN REPORTED IN SOUTHWEST SIOUX 
  FALLS.  

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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

1 follow-up statement

000 
WGUS73 KFSD 161107
FFSFSD
SDC099-161130-

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

...FLASH FLOOD WARNING CONTINUES UNTIL 630 AM CDT FOR...

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

AT 605 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT 
THE RAIN WAS DECREASING ACROSS THE SIOUX FALLS AREAS. HOWEVER...3 TO 
6 INCHES OF RAIN HAS FALLEN OVER SIOUX FALLS. THESE HEAVY RAINS WILL
STILL PRODUCE FLOODING THROUGH EARLY THIS MORNING.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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.

Issued	Product	Office	Counties	Lasted
Jun 15, 7:52 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Kingsbury	38 min
Jun 15, 8:25 PM CDT	Tornado Warning	FSD	Brookings	50 min
Jun 16, 4:50 AM CDT	Flash Flood Warning	FSD	Minnehaha	55 min
Jun 16, 6:29 AM CDT	Flash Flood Warning	FSD	Minnehaha	2 hr
Jun 16, 10:37 AM CDT	Flash Flood Warning	FSD	Union	113 min

Nearby

Flash Flood Warnings in South Dakota, 2004 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.