Full Notification

.THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING AND PERSIST
THROUGH THURSDAY MORNING. THIS THUNDERSTORM ACTIVITY WILL HAVE THE
POTENTIAL TO PRODUCE HIGH RAINFALL RATES, AND RAPID ACCUMULATION
OF RAINFALL IN A SHORT PERIOD OF TIME. TOTAL RAINFALL OF 1 TO 3
INCHES WILL BE POSSIBLE BY THURSDAY MORNING, WITH LOCALIZED
RAINFALL AMOUNTS ABOVE 3 INCHES POSSIBLE. THIS RAINFALL ON TOP OF
SATURATED GROUNDS, OR IN URBAN AREAS, WILL LEAD TO A HEIGHTENED
RISK OF FLASH FLOODING AS WELL AS RIVER FLOODING.

IAZ020-021-031-NEZ013-014-SDZ071-200845-
/O.EXA.KFSD.FF.A.0006.000000T0000Z-180920T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PLYMOUTH-CHEROKEE-WOODBURY-DIXON-DAKOTA-UNION-
740 PM CDT WED SEP 19 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF IOWA, NORTHEAST
NEBRASKA, AND SOUTHEAST SOUTH DAKOTA, INCLUDING THE FOLLOWING
AREAS, IN IOWA, CHEROKEE, PLYMOUTH, AND WOODBURY. IN NORTHEAST
NEBRASKA, DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA, UNION.

* THROUGH THURSDAY AFTERNOON

* THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING, WITH
SCATTERED ACTIVITY LINGERING INTO THURSDAY MORNING. THIS
THUNDERSTORM ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE EXTREME
RAINFALL RATES. RAINFALL ACCUMULATIONS BETWEEN 1 AND 3 INCHES
WILL BE POSSIBLE, WITH LOCALIZED RAINFALL ACCUMULATIONS GREATER
THAN 3 TO EVEN 5 INCHES POSSIBLE.

* HEAVY RAINS CAN LEAD TO FLASH FLOODING, WITH WATER COVERED
ROADS AND URBAN FLOODING POSSIBLE. FLOODING AN AREA STREAMS
AND RIVERS WILL ALSO BE POSSIBLE INTO THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&