

000 

WGUS73 KFSD 051801

FFSFSD



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1258 PM CDT THU JUN 5 2008



IAC119-143-149-167-MNC105-133-NEC051-SDC027-083-087-099-125-127-135-

052115-

/O.CON.KFSD.FF.W.0006.000000T0000Z-080605T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

OSCEOLA IA-LYON IA-SIOUX IA-PLYMOUTH IA-ROCK MN-NOBLES MN-DIXON NE-

MINNEHAHA SD-MCCOOK SD-LINCOLN SD-TURNER SD-YANKTON SD-UNION SD-

CLAY SD-

1258 PM CDT THU JUN 5 2008



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR

CLAY...UNION...EASTERN YANKTON...TURNER...LINCOLN...SOUTHEASTERN

MCCOOK...MINNEHAHA...NORTHERN DIXON...SOUTHERN NOBLES...ROCK...

NORTHWESTERN PLYMOUTH...WESTERN SIOUX...LYON AND NORTHWESTERN OSCEOLA

COUNTIES...



BETWEEN 1230 AND 100 PM CDT...SEVERAL REPORTS OF FLASH FLOODING OF 

NUMEROUS STREETS IN THE SIOUX FALLS METRO AREA HAVE BEEN RECEIVED. 

THIS FLASH FLOODING IS THE RESULT OF THUNDERSTORMS DROPPING 0.5 TO 

1.0 INCH OF RAIN IN 20 TO 40 MINUTES. AT 100 PM...THE MOST INTENSE  

STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ROCK RAPIDS TO 

MECKLING..MOVING NORTHEAST AT 40 MPH.



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.



MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO

AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY

DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL

ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED

ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.



A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT THURSDAY EVENING

FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.



A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 700 PM CDT

THURSDAY EVENING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH

DAKOTA.



LAT...LON 4240 9677 4258 9703 4275 9702 4277 9713

      4282 9723 4285 9724 4286 9731 4286 9741

      4287 9744 4353 9721 4384 9662 4361 9556

      4253 9673

TIME...MOT...LOC 1758Z 210DEG 30KT 4342 9612 4285 9703



$$



MG



000 

WGUS73 KFSD 051801

FFSFSD



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1258 PM CDT THU JUN 5 2008



IAC119-143-149-167-MNC105-133-NEC051-SDC027-083-087-099-125-127-135-

052115-

/O.CON.KFSD.FF.W.0006.000000T0000Z-080605T2115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

OSCEOLA IA-LYON IA-SIOUX IA-PLYMOUTH IA-ROCK MN-NOBLES MN-DIXON NE-

MINNEHAHA SD-MCCOOK SD-LINCOLN SD-TURNER SD-YANKTON SD-UNION SD-

CLAY SD-

1258 PM CDT THU JUN 5 2008



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR

CLAY...UNION...EASTERN YANKTON...TURNER...LINCOLN...SOUTHEASTERN

MCCOOK...MINNEHAHA...NORTHERN DIXON...SOUTHERN NOBLES...ROCK...

NORTHWESTERN PLYMOUTH...WESTERN SIOUX...LYON AND NORTHWESTERN OSCEOLA

COUNTIES...



BETWEEN 1230 AND 100 PM CDT...SEVERAL REPORTS OF FLASH FLOODING OF 

NUMEROUS STREETS IN THE SIOUX FALLS METRO AREA HAVE BEEN RECEIVED. 

THIS FLASH FLOODING IS THE RESULT OF THUNDERSTORMS DROPPING 0.5 TO 

1.0 INCH OF RAIN IN 20 TO 40 MINUTES. AT 100 PM...THE MOST INTENSE  

STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ROCK RAPIDS TO 

MECKLING..MOVING NORTHEAST AT 40 MPH.



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.



MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO

AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY

DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL

ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED

ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.



A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT THURSDAY EVENING

FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.



A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 700 PM CDT

THURSDAY EVENING FOR SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH

DAKOTA.



LAT...LON 4240 9677 4258 9703 4275 9702 4277 9713

      4282 9723 4285 9724 4286 9731 4286 9741

      4287 9744 4353 9721 4384 9662 4361 9556

      4253 9673

TIME...MOT...LOC 1758Z 210DEG 30KT 4342 9612 4285 9703



$$



MG

