Williamson, IA Weather Warnings
Thunderstorm
Severe Thunderstorm Warning issued June 6 at 12:25AM CDT until June 6 at 12:45AM CDT by NWS Des Moines IA At 1224 AM CDT, severe thunderstorms were located along a line extending from 5 miles northwest of Melrose to near Red Haw Lake State Park to Lucas, moving south at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. 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... Chariton, Russell, Lucas, Williamson, Derby, Red Haw Lake State Park, and Chariton Municipal Airport. For your protection move to an interior room on the lowest floor of a building.
National Weather Service
Flood
Flood Watch issued June 5 at 10:31PM CDT until June 6 at 7:00AM CDT by NWS Des Moines IA * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Iowa. * WHEN...Until 7 AM CDT Saturday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Soils are moist and experiencing slow moving storms with heavy rainfall, which may lead to localized flash flooding, especially in areas of where heavy rain was experienced last night. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
National Weather Service
Thunderstorm
Severe Thunderstorm Watch issued June 5 at 10:06PM CDT until June 6 at 3:00AM CDT by NWS Des Moines IA THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 276 IN EFFECT UNTIL 3 AM CDT SATURDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 20 COUNTIES IN CENTRAL IOWA JASPER POWESHIEK IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR THIS INCLUDES THE CITIES OF ADAIR, ALBIA, ALLERTON, ATLANTIC, BEDFORD, BLOOMFIELD, CARLISLE, CENTERVILLE, CHARITON, CORNING, CORYDON, CRESTON, EARLHAM, FONTANELLE, GREENFIELD, GRINNELL, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, SEYMOUR, STUART, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 10% PROB OF 10 OR MORE SEVERE WIND EVENTS : 40% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70% MEAN STORM MOTION /MPH/ : E 30
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