Waarschuwingen

Tornado Watch issued May 21 at 1:25PM CDT until May 21 at 9:00PM CDT by NWS Des Moines IATHE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 277 INEFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREASIN IOWA THIS WATCH INCLUDES 32 COUNTIESIN CENTRAL IOWABOONE DALLAS GRUNDYHAMILTON HARDIN JASPERMARSHALL POLK STORYWEBSTERIN NORTH CENTRAL IOWABUTLER CERRO GORDO FRANKLINHANCOCK HUMBOLDT KOSSUTHWINNEBAGO WORTH WRIGHTIN NORTHEAST IOWABREMERIN NORTHWEST IOWAEMMET PALO ALTO POCAHONTASIN SOUTHWEST IOWAADAIR CASSIN WEST CENTRAL IOWAAUDUBON CALHOUN CARROLLCRAWFORD GREENE GUTHRIESACTHIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALGONA, ALLISON,AMES, APLINGTON, ATLANTIC, AUDUBON, BAYARD, BELMOND, BOONE,BRITT, CARROLL, CASEY, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD,DENISON, DES MOINES, DIKE, DUMONT, EAGLE GROVE, EARLY, ELDORA,EMMETSBURG, ESTHERVILLE, EXIRA, FONDA, FONTANELLE, FOREST CITY,FORT DODGE, GARNER, GILMORE CITY, GREENE, GREENFIELD,GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, IOWA FALLS,JEFFERSON, KANAWHA, LAKE CITY, LAKE MILLS, LAKE VIEW, LAURENS,MANLY, MANSON, MARSHALLTOWN, MASON CITY, NEWTON, NORTHWOOD,ODEBOLT, PANORA, PARKERSBURG, PERRY, POCAHONTAS, POMEROY,REINBECK, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, SHELL ROCK,STUART, WALL LAKE, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG....THIS IS A PARTICULARLY DANGEROUS SITUATION. STRONG LONG LIVEDTORNADOES MAY OCCUR...* PRIMARY THREATS INCLUDE...SEVERAL TORNADOES AND A FEW INTENSE TORNADOES LIKELY.WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 90MPH LIKELY.SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTSTO 4 INCHES IN DIAMETER POSSIBLE.PROBABILITY TABLE:PROB OF 2 OR MORE TORNADOES : 90%PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 80%PROB OF 10 OR MORE SEVERE WIND EVENTS : 80%PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 60%PROB OF 10 OR MORE SEVERE HAIL EVENTS : 60%PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 50%PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%MEAN STORM MOTION /MPH/ : NE 50

National Weather Service

Flood Watch issued May 21 at 11:32AM CDT until May 21 at 7:00PM CDT by NWS Des Moines IA* WHAT...Flash flooding caused by excessive rainfall continues to bepossible.* WHERE...Much of central Iowa.* WHEN...Until 7 PM CDT this evening.* IMPACTS...Excessive runoff may result in flooding of rivers,creeks, streams, and other low-lying and flood-prone locations.Flooding may occur in poor drainage and urban areas.* ADDITIONAL DETAILS...- Rainfall of 3 to 5 inches with isolated higher amounts fellover parts of central Iowa last night into this morning andled to flash flooding in some areas. Additional round ofstorms is expected this afternoon that may cause new flashflooding or prolong or renew flash flooding in areas thatexperienced flash flooding earlier.You should monitor later forecasts and be prepared to take actionshould Flash Flood Warnings be issued.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.

National Weather Service

Flood Watch issued May 21 at 11:14AM CDT until May 25 at 7:00PM CDT by NWS Des Moines IA...The National Weather Service in Des Moines IA has issued a FloodWatch for the following rivers in Iowa...Des Moines River at Fort Dodge affecting Webster County.Des Moines River near Stratford affecting Hamilton, Webster andBoone Counties.Des Moines River at Des Moines SE 6th St affecting Polk County.Raccoon River at Des Moines Fleur Dr affecting Polk County.North Raccoon River near Perry affecting Greene and DallasCounties....The Flood Watch continues for the following rivers in Iowa...Black Hawk Creek at Hudson affecting Black Hawk county.* WHAT...Flooding is possible.* WHERE...The North Raccoon River near Perry, or from theGreene-Dallas County line...to Adel.* WHEN...From Thursday afternoon to Saturday evening.* IMPACTS...At 15.0 feet, Water affects the wastewater treatmentfacility as well as agricultural land in the Perry area. NearAdel...water affects the fairgrounds and golf course. Northwest ofAdel...water affects Sportsman Club Rd and Midland Trl.* ADDITIONAL DETAILS...- At 10:15 AM CDT Tuesday the stage was 8.8 feet.- Forecast...Flood stage may be reached Thursday afternoon.- Flood stage is 15.0 feet.If you are in the watch area, remain alert to possible flooding.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.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