Waarschuwingen

Severe Thunderstorm Watch issued May 24 at 2:44AM CDT until May 24 at 10:00AM CDT by NWS Des Moines IATHE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH300 IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWINGAREASIN IOWA THIS WATCH INCLUDES 48 COUNTIESIN CENTRAL IOWABOONE DALLAS GRUNDYHAMILTON HARDIN JASPERMARSHALL POLK POWESHIEKSTORY TAMA WEBSTERIN NORTH CENTRAL IOWABUTLER CERRO GORDO FRANKLINHANCOCK HUMBOLDT KOSSUTHWRIGHTIN NORTHEAST IOWABLACK HAWK BREMERIN NORTHWEST IOWAPALO ALTO POCAHONTASIN SOUTH CENTRAL IOWAAPPANOOSE CLARKE DECATURLUCAS MADISON MAHASKAMARION MONROE RINGGOLDUNION WARREN WAYNEIN SOUTHEAST IOWADAVIS WAPELLOIN SOUTHWEST IOWAADAIR ADAMS CASSTAYLORIN WEST CENTRAL IOWAAUDUBON CALHOUN CARROLLCRAWFORD GREENE GUTHRIESACTHIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALBIA, ALGONA,ALLERTON, ALLISON, AMES, APLINGTON, ATLANTIC, AUDUBON, BAYARD,BEDFORD, BELMOND, BLOOMFIELD, BOONE, BRITT, CARLISLE, CARROLL,CASEY, CEDAR FALLS, CENTERVILLE, CHARITON, CLARION, CLARKSVILLE,CLEAR LAKE, CONRAD, CORNING, CORYDON, CRESTON, DENISON,DES MOINES, DIKE, DUMONT, DYSART, EAGLE GROVE, EARLHAM, EARLY,ELDORA, EMMETSBURG, EXIRA, FONDA, FONTANELLE, FORT DODGE, GARNER,GILMORE CITY, GLADBROOK, GREENE, GREENFIELD, GRINNELL,GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, HUMESTON,INDIANOLA, IOWA FALLS, JEFFERSON, KANAWHA, KNOXVILLE, LAKE CITY,LAKE VIEW, LAMONI, LAURENS, LENOX, LEON, MANSON, MARSHALLTOWN,MASON CITY, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, ODEBOLT,OSCEOLA, OSKALOOSA, OTTUMWA, PANORA, PARKERSBURG, PELLA, PERRY,POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, SAC CITY,SCHALLER, SEYMOUR, SHELL ROCK, STUART, TAMA, TOLEDO, TRAER,WALL LAKE, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, WELLSBURG,AND WINTERSET.* PRIMARY THREATS INCLUDE...SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTSTO 80 MPH POSSIBLE.ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE.A TORNADO OR TWO POSSIBLE.PROBABILITY TABLE:PROB OF 2 OR MORE TORNADOES : 20%PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 05%PROB OF 10 OR MORE SEVERE WIND EVENTS : 70%PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 30%PROB OF 10 OR MORE SEVERE HAIL EVENTS : 20%PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 20%PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%MEAN STORM MOTION /MPH/ : E 45

National Weather Service

Flood Watch issued May 24 at 2:25AM CDT until May 24 at 1:00PM CDT by NWS Des Moines IARecent rainfall has saturated soils in portions of central Iowawith creeks and streams already running high. The potential foradditional heavy rainfall this morning into early afternoon may leadto flash flooding.* WHAT...Flash flooding caused by excessive rainfall is possible.* WHERE...Portions of central, north central, northeast, northwest,south central, southwest, and west central Iowa, including thefollowing counties, in central Iowa, Boone, Dallas, Grundy,Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tamaand Webster. In north central Iowa, Butler, Cerro Gordo, Franklin,Hancock, Humboldt, Kossuth and Wright. In northeast Iowa, BlackHawk and Bremer. In northwest Iowa, Palo Alto and Pocahontas. Insouth central Iowa, Madison, Mahaska, Marion and Warren. Insouthwest Iowa, Adair and Cass. In west central Iowa, Audubon,Calhoun, Carroll, Crawford, Greene, Guthrie and Sac.* WHEN...Until 1 PM CDT this afternoon.* IMPACTS...Excessive runoff may result in flooding of rivers,creeks, streams, and other low-lying and flood-prone locations.Area creeks and streams are running high and could flood with moreheavy rain.* ADDITIONAL DETAILS...- Heavy rainfall over a short period of time may lead to flashflooding in the watch area.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.

National Weather Service

Flood Warning issued May 24 at 2:01AM CDT until May 24 at 1:00PM CDT by NWS Des Moines IA...The Flood Warning continues for the following rivers in Iowa...Iowa River at Marshalltown affecting Marshall County.Iowa River near Tama Hwy E49 affecting Tama County.Cedar River at Waterloo affecting Black Hawk County.Cedar River at Cedar Falls affecting Black Hawk County.Des Moines River at Fort Dodge affecting Webster County.Des Moines River at Des Moines SE 6th St affecting Polk County.Des Moines River near Stratford affecting Webster, Boone andHamilton Counties.East Fork Des Moines River near Algona affecting Kossuth andHumboldt Counties....The Flood Warning is extended for the following rivers in Iowa...Black Hawk Creek at Hudson affecting Black Hawk County.* WHAT...Minor flooding is occurring and minor flooding is forecast.* WHERE...The Cedar River at Waterloo, or from the Waterloo-CedarFalls city limits...to Spring Creek near La Porte City.* WHEN...Until this afternoon.* IMPACTS...At 13.0 feet, Many storm sewers are closed along BlackHawk Creek and the Cedar River. The Fletcher Ave levee gates areclosed.* ADDITIONAL DETAILS...- At 1:00 AM CDT Friday the stage was 13.2 feet.- Forecast...The river is expected to fall below flood stagethis morning and continue falling and remain below floodstage.- Flood stage is 13.0 feet.Motorists should not attempt to drive around barricades or drivecars through flooded areas.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.Turn around, don't drown when encountering flooded roads. Most flooddeaths occur in vehicles.River forecasts include observed precipitation plus forecastprecipitation over the next 24 hours.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.

National Weather Service