139 AM CDT MON JUL 18 2016

HEAVY RAIN AND FLASH FLOOD POTENTIAL OVER CENTRAL TO SOUTHERN IOWA.WIDESPREAD THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY ARE LIKELY TO CONTINUE TO EVOLVE AND SPREAD OVER CENTRAL TO SOUTHERN PORTIONS OF IOWA UP TO AROUND INTERSTATE 80.

COUNTIES: CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-

…FLASH FLOOD WATCH IN EFFECT UNTIL 9 AM CDT THIS MORNING…

* WIDESPREAD THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN ARE EXPECTED TO CONTINUE TO SPREAD OVER CENTRAL TO SOUTHERN IOWA THROUGH THE OVERNIGHT HOURS TOWARDS THE MORNING COMMUTE. RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE POSSIBLE WITH TOTAL RAINFALL AMOUNTS OF 3 TO 6 INCHES POSSIBLE BY SUNRISE. THESE STORMS ARE LIKELY TO TRANSITION OVER THE SAME AREA…LEADING TO THE FLASH FLOOD POTENTIAL.

* FLASH FLOODING AT NIGHT IS EXTREMELY DANGEROUS. IF YOU SEE WATER OVER A ROAD…PLEASE TURN AROUND DO NOT DROWN.

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.