Sioux City Journal - Weather-alerts
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Flash Flood Watch until 1PM CDT THU

bulletin remains in effect until 1:00 pm Thursday for Woodbury County, IA

.THUNDERSTORMS WILL CONTINUE TO EXPAND IN COVERAGE OVERNIGHT INTO 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.

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

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA, AND SOUTH DAKOTA, INCLUDING THE FOLLOWING AREAS, IN IOWA, CHEROKEE, CLAY IA, DICKINSON, LYON IA, O'BRIEN, OSCEOLA, PLYMOUTH, SIOUX, AND WOODBURY. IN SOUTHWEST MINNESOTA, COTTONWOOD, JACKSON, LINCOLN MN, LYON MN, MURRAY, NOBLES, PIPESTONE, AND ROCK. IN NORTHEAST NEBRASKA, DAKOTA AND DIXON. IN SOUTH DAKOTA, BROOKINGS, DAVISON, DOUGLAS, HANSON, HUTCHINSON, LAKE, LINCOLN SD, MCCOOK, MINER, MINNEHAHA, MOODY, TURNER, AND UNION.

* THROUGH THURSDAY AFTERNOON

* THUNDERSTORMS WILL CONTINUE TO EXPAND IN COVERAGE OVERNIGHT INTO THURSDAY MORNING. THIS THUNDERSTORM ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE EXTREME RAINFALL RATES. WIDESPREAD RAINFALL ACCUMULATIONS BETWEEN 1 AND 3 INCHES WILL BE POSSIBLE. LOCALIZED RAINFALL ACCUMULATIONS GREATER THAN 3 TO EVEN 5 INCHES WILL ALSO BE 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.

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