Alert archive / Minnesota / Flash Flood Warnings in 2004
Flash Flood Warning 21, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jul 11, 2004, 4:54 AM CDT for Cottonwood County, Murray County, Minnesota. It was in force for 81 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 11, 2004, 4:54 AM CDT (09:54 UTC)
- Expired
- Jul 11, 2004, 6:15 AM CDT
- In force
- 81 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Cottonwood County, MN, Murray County, MN
The radar
The Sioux Falls radar (KFSD), 102 km from the middle of the area, began a volume at 09:54 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 00:00Z, 9.9 hours before the alert went out and 185 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.
- Mixed-layer CAPE
- 1325 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 110954 FFWFSD MNC033-101-111115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 454 AM CDT SUN JUL 11 2004 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA MURRAY COUNTY IN SOUTHWEST MINNESOTA * UNTIL 615 AM CDT * AT 453 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS ALONG A NORTH OF A LINE EXTENDING FROM CHANDLER TO BINGHAM LAKE...MOVING EAST AT 25 MPH. RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE OCCURED IN THIS AREA...AND ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY EARLY THIS MORNING. 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. LAT...LON 4389 9603 4386 9490 4408 9488 4408 9603 $$ CJ
2 follow-up statements
000 WGUS73 KFSD 111039 FFSFSD MNC033-101-111115- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 537 AM CDT SUN JUL 11 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 615 AM CDT FOR COTTONWOOD AND MURRAY COUNTIES... AT 534 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING HEAVY RAINS...ALONG AND NORTH OF A LINE...FROM CHANDLER TO MOUNTAIN LAKE. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. LAT...LON 4389 9603 4387 9491 4409 9488 4410 9601 $$ CJ
000 WGUS73 KFSD 111119 FFSFSD MNC033-101-111130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 618 AM CDT SUN JUL 11 2004 ...FLASH FLOOD WARNING EXPIRED FOR... ...MURRAY COUNTY IN SOUTHWEST MINNESOTA... ...COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA... THE THREAT OF HEAVY RAINS HAVE ENDED. THEREFORE THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4414 9515 4392 9505 4391 9598 4413 9599 $$ CJ
Nearby
Flash Flood Warnings in Minnesota, 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.