820
WGUS83 KUNR 221101
FLSUNR
FLOOD STATEMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
501 AM MDT TUE JUL 22 2025
SDC105-137-221445-
/O.CON.KUNR.FA.W.0001.000000T0000Z-250722T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERKINS SD-ZIEBACH SD-
501 AM MDT TUE JUL 22 2025
...FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM MDT THIS MORNING...
* WHAT...SMALL STREAM FLOODING CAUSED BY EXCESSIVE RAINFALL
CONTINUES.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL SOUTH DAKOTA,
INCLUDING THE FOLLOWING COUNTIES, IN NORTHWEST SOUTH DAKOTA,
PERKINS. IN WEST CENTRAL SOUTH DAKOTA, ZIEBACH.
* WHEN...UNTIL 845 AM MDT.
* IMPACTS...FLOODING OF RIVERS, CREEKS, STREAMS, AND OTHER LOW-LYING
AND FLOOD-PRONE LOCATIONS IS IMMINENT OR OCCURRING.
* ADDITIONAL DETAILS...
- AT 500 AM MDT, DOPPLER RADAR INDICATED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED
AREA, MAINLY SOUTHEAST OF GLAD VALLEY. BETWEEN 2 AND 4 INCHES
OF RAIN HAVE FALLEN.
- ADDITIONAL RAINFALL AMOUNTS UP TO 0.5 INCHES ARE POSSIBLE IN
THE WARNED AREA.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHANCE, GLAD VALLEY, IRON LIGHTNING, THUNDER BUTTE, OWEN LAKE
AND NORTHWESTERN CHEYENNE RIVER RESERVATION.
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.
LAT...LON 4536 10260 4548 10240 4559 10201 4547 10200
4547 10147 4539 10147 4539 10149 4518 10149
4516 10183 4525 10230
HELGESON
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