722
WGUS73 KFSD 030719
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
219 AM CDT FRI JUL 3 2026
NEC051-SDC009-027-127-135-030900-
/O.CON.KFSD.FF.W.0006.000000T0000Z-260703T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DIXON NE-BON HOMME SD-CLAY SD-UNION SD-YANKTON SD-
219 AM CDT FRI JUL 3 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING FOR NORTHERN DIXON, SOUTHEASTERN BON HOMME, SOUTHERN CLAY,
SOUTHWESTERN UNION AND SOUTHERN YANKTON COUNTIES...
AT 219 AM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN
1.5 AND 5 INCHES OF RAIN HAVE FALLEN, HIGHEST BETWEEN VERMILLION,
MASKELL AND NEWCASTLE, AND INTO UNION COUNTY WEST OF ELK POINT. THE
EXPECTED RAINFALL RATE IS LESS THAN 1 INCH IN 1 HOUR. ADDITIONAL
RAINFALL AMOUNTS LESS THAN 1 INCH ARE EXPECTED IN THE WARNED AREA.
FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...FLASH FLOODING OF ESPECIALLY URBAN AREAS, ALONG WITH SMALL
CREEKS AND STREAMS, HIGHWAYS, STREETS AND UNDERPASSES, AS
WELL AS OTHER POOR DRAINAGE AND LOW- LYING AREAS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
YANKTON, VERMILLION, LEWIS AND CLARK STATE RECREATION AREA, ELK
POINT, NEWCASTLE, MECKLING AND MASKELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS, RIVERS, OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.
LAT...LON 4285 9777 4291 9767 4292 9740 4279 9668
4262 9664 4264 9702 4276 9702 4277 9713
4280 9715 4281 9721 4285 9722 4287 9731
4285 9757 4286 9761 4284 9767
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
JH
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