Alertes en vigueurMarshalltown, IA

The National Weather Service in Des Moines has issued a Severe Thunderstorm Warning for Northwestern Poweshiek County in central Iowa Southeastern Marshall County in central Iowa Central Jasper County in central Iowa Until 315 PM CDT. At 244 PM CDT, a severe thunderstorm was located near Lambs Grove, or 5 miles west of Newton, moving east at 50 mph.
Hazard: Ping pong ball size hail and 60 mph wind gusts.
Source: Public reported ping pong ball sized hail in Colfax.
Impact: People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include Newton, Grinnell, Colfax, Prairie City, Rock Creek Lake, Iowa Speedway, Kellogg, Gilman, Mingo, Lambs Grove, Oakland Acres, Grinnell Regional Airport, Prairie City Krohn Airport, Rock Creek State Park, and Newton Municipal Airport. This includes Interstate 80 between mile markers 154 and 184.

For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 800 PM CDT for central Iowa.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 129 IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 32 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA IN NORTH CENTRAL IOWA BUTLER CERRO GORDO FRANKLIN WORTH WRIGHT IN NORTHEAST IOWA BLACK HAWK BREMER IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALBIA, ALLERTON, ALLISON, AMES, APLINGTON, BELMOND, BLOOMFIELD, BOONE, CARLISLE, CEDAR FALLS, CENTERVILLE, CHARITON, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, CORYDON, CRESTON, DES MOINES, DIKE, DUMONT, DYSART, EAGLE GROVE, EARLHAM, ELDORA, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER, HAMPTON, HUMESTON, INDIANOLA, IOWA FALLS, KNOXVILLE, LAMONI, LEON, MANLY, MARSHALLTOWN, MASON CITY, MOUNT AYR, NEWTON, NORTHWOOD, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PARKERSBURG, PELLA, PERRY, REINBECK, SEYMOUR, SHELL ROCK, TAMA, TOLEDO, TRAER, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, WELLSBURG, AND WINTERSET.
Primary Threats Include: A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE. WIDESPREAD LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3.5 INCHES IN DIAMETER LIKELY. SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 60% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 40% PROB OF 10 OR MORE SEVERE WIND EVENTS : 70% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 80% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 60% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95% MEAN STORM MOTION /MPH/ : E 40