186 WWUS53 KDMX 131102 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 602 AM CDT Thu Aug 13 2026 IAC073-131115- /O.CON.KDMX.TO.W.0076.000000T0000Z-260813T1115Z/ Greene IA- 602 AM CDT Thu Aug 13 2026 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR CENTRAL GREENE COUNTY... At 602 AM CDT, a severe thunderstorm capable of producing a tornado was located near Churdan, or 6 miles northwest of Jefferson, moving northeast at 35 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Paton around 615 AM CDT. Other locations impacted by this tornadic thunderstorm include Dana, Churdan, Grand Junction, Jefferson Municipal Airport, Paton, and Rippey. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. && LAT...LON 4193 9433 4205 9457 4220 9457 4220 9417 4194 9418 TIME...MOT...LOC 1102Z 226DEG 32KT 4210 9444 TORNADO...RADAR INDICATED MAX HAIL SIZE...0.00 IN $$ Hahn 528 WWUS53 KDMX 131106 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 606 AM CDT Thu Aug 13 2026 IAC027-131115- /O.CAN.KDMX.SV.W.0321.000000T0000Z-260813T1130Z/ Carroll IA- 606 AM CDT Thu Aug 13 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARROLL COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 800 AM CDT for west central Iowa. A Severe Thunderstorm Watch also remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4187 9439 4206 9458 4219 9371 4193 9370 4152 9383 4164 9452 TIME...MOT...LOC 1105Z 265DEG 49KT 4214 9466 4194 9416 4156 9444 $$ IAC015-049-073-077-153-131130- /O.CON.KDMX.SV.W.0321.000000T0000Z-260813T1130Z/ Polk IA-Greene IA-Guthrie IA-Boone IA-Dallas IA- 606 AM CDT Thu Aug 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR NORTHWESTERN POLK...SOUTHERN GREENE...NORTHEASTERN GUTHRIE... BOONE AND DALLAS COUNTIES... At 605 AM CDT, severe thunderstorms were located along a line extending from near Hobbs County Park to near Rippey to near Menlo, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... West Des Moines, Urbandale, Clive, Waukee, Boone, Grimes, Perry, Jefferson, Adel, Guthrie Center, Madrid, Ogden, Dallas Center, Granger, Panora, Woodward, Lake Panorama, Big Creek Lake, Boone Speedway, and Saylorville Lake. This includes Interstate 80 between mile markers 114 and 120. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4187 9439 4206 9458 4219 9371 4193 9370 4152 9383 4164 9452 TIME...MOT...LOC 1105Z 265DEG 49KT 4214 9466 4194 9416 4156 9444 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hahn 710 WWUS53 KDMX 131113 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 613 AM CDT Thu Aug 13 2026 IAC073-131122- /O.EXP.KDMX.TO.W.0076.000000T0000Z-260813T1115Z/ Greene IA- 613 AM CDT Thu Aug 13 2026 ...THE TORNADO WARNING FOR CENTRAL GREENE COUNTY WILL EXPIRE AT 615 AM CDT... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 800 AM CDT for west central Iowa. Remember, a Severe Thunderstorm Warning still remains in effect for central Greene County until 630 AM CDT. LAT...LON 4193 9433 4205 9457 4220 9457 4220 9417 4194 9418 TIME...MOT...LOC 1112Z 226DEG 32KT 4216 9435 $$ Hahn 651 WWUS53 KDMX 131118 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 618 AM CDT Thu Aug 13 2026 IAC073-131127- /O.CAN.KDMX.SV.W.0321.000000T0000Z-260813T1130Z/ Greene IA- 618 AM CDT Thu Aug 13 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GREENE COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 800 AM CDT for west central Iowa. A Severe Thunderstorm Watch also remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4187 9415 4209 9416 4219 9371 4193 9370 4152 9383 4160 9427 TIME...MOT...LOC 1117Z 265DEG 49KT 4215 9447 4195 9397 4157 9425 $$ IAC015-049-077-153-131130- /O.CON.KDMX.SV.W.0321.000000T0000Z-260813T1130Z/ Polk IA-Guthrie IA-Boone IA-Dallas IA- 618 AM CDT Thu Aug 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR NORTHWESTERN POLK...SOUTHEASTERN GUTHRIE...BOONE AND DALLAS COUNTIES... At 617 AM CDT, severe thunderstorms were located along a line extending from Churdan to 5 miles southwest of Ledges State Park to Diamondhead Lake, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... West Des Moines, Urbandale, Clive, Waukee, Boone, Grimes, Perry, Adel, Madrid, Ogden, Dallas Center, Granger, Woodward, Big Creek Lake, Boone Speedway, Saylorville Lake, Redfield, Minburn, Bouton, and Luther. This includes Interstate 80 between mile markers 114 and 120. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4187 9415 4209 9416 4219 9371 4193 9370 4152 9383 4160 9427 TIME...MOT...LOC 1117Z 265DEG 49KT 4215 9447 4195 9397 4157 9425 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hahn 976 WWUS53 KDMX 131155 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 655 AM CDT Thu Aug 13 2026 IAC099-131205- /O.CAN.KDMX.TO.W.0078.000000T0000Z-260813T1215Z/ Jasper IA- 655 AM CDT Thu Aug 13 2026 ...THE TORNADO WARNING FOR NORTHWESTERN JASPER COUNTY IS CANCELLED... The tornadic thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4186 9344 4192 9349 4220 9317 4189 9310 TIME...MOT...LOC 1155Z 237DEG 46KT 4190 9335 $$ IAC127-153-169-131215- /O.CON.KDMX.TO.W.0078.000000T0000Z-260813T1215Z/ Polk IA-Story IA-Marshall IA- 655 AM CDT Thu Aug 13 2026 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR NORTHEASTERN POLK...SOUTHEASTERN STORY AND WESTERN MARSHALL COUNTIES... At 655 AM CDT, a severe thunderstorm capable of producing a tornado was located over Collins, or 9 miles southeast of Nevada, moving northeast at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Collins and Rhodes around 700 AM CDT. State Center around 705 AM CDT. Other locations impacted by this tornadic thunderstorm include St. Anthony, Collins, Maxwell, Rhodes, Clemons, and Colo. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. && LAT...LON 4186 9344 4192 9349 4220 9317 4189 9310 TIME...MOT...LOC 1155Z 237DEG 46KT 4190 9335 TORNADO...RADAR INDICATED MAX HAIL SIZE...0.00 IN $$ Hahn