BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
820 PM CDT SAT JUN 14 2014

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR…
DAKOTA COUNTY IN NORTHEAST NEBRASKA
DIXON COUNTY IN NORTHEAST NEBRASKA
NORTHWESTERN WOODBURY COUNTY IN WEST CENTRAL IOWA
SOUTHERN UNION COUNTY IN SOUTHEAST SOUTH DAKOTA
WESTERN PLYMOUTH COUNTY IN NORTHWEST IOWA

* UNTIL 130 AM CDT

* AT 815 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
UP TO 3 INCHES OF RAINFALL WAS REPORTED NEAR CONCORD NEBRASKA
THROUGH 800 PM. WITH PERIODIC THUNDERSTORMS EXPECTED OVER THE
NEXT SEVERAL HOURS…SOME WITH INSTANTANEOUS RAINFALL RATES OF
3 TO 4 INCHES PER HOUR…THERE WILL LIKELY BE FLOODING OF SMALL
STREAMS AND URBAN AREAS. ADDITIONAL RAINFALL OF 1 TO 3 INCHES
IS LIKELY THROUGHOUT THE WARNED AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
PONCA…SIOUX CITY…ALLEN…CONCORD…DAKOTA CITY…DIXON…ELK
POINT…HUBBARD…JACKSON…JEFFERSON…MARTINSBURG…NEWCASTLE…
NORTH SIOUX CITY…SERGEANT BLUFF…SOUTH SIOUX CITY AND STONE
STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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 4227 9703 4233 9703 4261 9702 4285 9637
4236 9629 4226 9696 4226 9701

$$

CHAPMAN