Alert archive / Minnesota / Flash Flood Warnings in 2004

Flash Flood Warning 20, NWS Sioux Falls, SD

July 5, 2004Dickinson County, Osceola County, Iowa; Cottonwood County, Jackson County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this flash flood warning at Jul 5, 2004, 5:10 PM CDT for Dickinson County, Osceola County, Iowa; Cottonwood County, Jackson County, Nobles County, Minnesota. It was in force for 110 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
Jul 5, 2004, 5:10 PM CDT (22:10 UTC)
Expired
Jul 5, 2004, 7:00 PM CDT
In force
110 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

Counties Dickinson County, IA, Osceola County, IA, Cottonwood County, MN, Jackson County, MN, Nobles County, MN

The radar

The Sioux Falls radar (KFSD), 104 km from the middle of the area, began a volume at 22:10 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

Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 201 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, Minneapolis, MN at 12:00Z on 2004-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Minneapolis, MN at 12:00Z on 2004-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
12 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
85 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 052210
FFWFSD
IAC059-143-MNC033-063-105-060000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
510 PM CDT MON JUL 5 2004

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DICKINSON COUNTY IN NORTHWEST IOWA
  OSCEOLA COUNTY IN NORTHWEST IOWA
  COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA
  JACKSON COUNTY IN SOUTHWEST MINNESOTA
  NOBLES COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 700 PM CDT

* AT 500 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER 
OVER HIGHWAY 60 NEAR BIGELOW MINNESOTA. THERE WAS ALSO A REPORT OF 
STREET FLOODING IN SPIRIT LAKE IOWA. THREE INCHES OF RAIN WAS 
REPORTED TO HAVE OCCURRED AT RUSHMORE MINNESOTA IN AN HOUR. 
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED THROUGH 
700 PM CDT OVER THE AREA.  

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

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 4330 9581 4330 9501 4402 9492 4406 9538
      4373 9541 4364 9576

$$

WB
2 follow-up statements
000 
WGUS73 KFSD 052325
FFSFSD
IAC059-143-MNC033-063-105-060000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
624 PM CDT MON JUL 5 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 700 PM CDT FOR...

...DICKINSON COUNTY IN NORTHWEST IOWA...
...OSCEOLA COUNTY IN NORTHWEST IOWA...
...COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA...
...NOBLES COUNTY IN SOUTHWEST MINNESOTA...
...JACKSON COUNTY IN SOUTHWEST MINNESOTA...

AT 615 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATED A LARGE AREA OF RAIN OVER SOUTHWEST MINNESOTA AND 
NORTHWEST IOWA. THERE WERE EMBEDDED THUNDERSTORMS IN THE RAIN OVER 
NOBLES...JACKSON AND SOUTHERN COTTONWOOD COUNTIES IN SOUTHWEST 
MINNESOTA AND FAR NORTHERN PARTS OF OSCEOLA AND DICKINSON COUNTIES 
OF NORTHWEST IOWA. AT 605 PM CDT IT WAS REPORTED THAT WATER WAS 
ABOUT TO OVERFLOW INTERSTATE 90...2 MILES WEST OF RUSHMORE 
MINNESOTA. ALSO THE WAS CONSIDERABLE STREET FLOODING AND SEWER 
BACKUP IN WORTHINGTON MINNESOTA. 

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 4403 9496 4335 9502 4332 9566 4369 9565

$$

WB
000 
WGUS73 KFSD 052359
FFSFSD
IAC059-143-MNC033-063-105-060045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 PM CDT MON JUL 5 2004

...FLASH FLOOD WARNING EXPIRED FOR...

...DICKINSON COUNTY IN NORTHWEST IOWA...
...OSCEOLA COUNTY IN NORTHWEST IOWA...
...COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA...
...NOBLES COUNTY IN SOUTHWEST MINNESOTA...
...JACKSON COUNTY IN SOUTHWEST MINNESOTA...

NATIONAL WEATHER SERVICE DOPPLER RADAR AND SURFACE REPORTS INDICATED 
THAT THE RAINFALL OVER SOUTHWEST MINNESOTA AND NORTHWEST IOWA WAS 
DECREASING IN INTENSITY. OVER ALL ADDITIONAL RAINFALL DURING THE 
NEXT ONE TO TWO HOURS IS EXPECTED TO BE A QUARTER OF AN INCH OR 
LESS...WITH A FEW AREAS GETTING AROUND A HALF INCH. PONDED WATER 
WILL BE SLOW TO DRAIN AWAY WITH THE SATURATED GROUND AND HIGH WATER 
LEVELS IN SMALL STREAMS AND RIVERS. 

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. 


LAT...LON 4403 9496 4335 9502 4332 9566 4369 9565

$$

WB

Nearby

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