SAC-CRAWFORD-CARROLL COUNTIES; 9/22/16

A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS (THURSDAY( EVENING.

HEAVY RAINFALL HAS ALREADY BEEN OBSERVED IN PORTIONS OF NORTHERN IOWA WITH ADDITIONAL THUNDERSTORM ACTIVITY EXPECTED TO SPREAD SOUTHWARD ACROSS NORTHERN AND CENTRAL IOWA THIS MORNING. THIS COULD PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS. IF THE HEAVIER RAIN FALLS OVER AREAS THAT HAVE ALREADY RECEIVED HEAVY RAIN…THE FLOODING WILL BE EXACERBATED AND COULD LEAD TO A DANGEROUS FLASH FLOOD SITUATION.

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.