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Home Return to list Severe Thunderstorm Warning 0172 Issued by the Des Moines Forecast Office
Action: New Issued At: 2025-07-24 00:45:53 345 WUUS53 KDMX 240545 SVRDMX IAC015-049-073-077-153-169-240630- /O.NEW.KDMX.SV.W.0172.250724T0545Z-250724T0630Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Des Moines IA 1245 AM CDT Thu Jul 24 2025 The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northwestern Polk County in central Iowa... Western Story County in central Iowa... Eastern Greene County in west central Iowa... Northeastern Guthrie County in west central Iowa... Boone County in central Iowa... Northern Dallas County in central Iowa... * Until 130 AM CDT. * At 1244 AM CDT, severe thunderstorms were located along a line extending from near Fraser to 4 miles north of Linden, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Ames, Ankeny, Johnston, Boone, Grimes, Perry, Nevada, Polk City, Huxley, Saylorville, Madrid, Ogden, Dallas Center, Slater, Roland, Granger, Panora, Gilbert, Woodward, and Iowa State Center. This includes Interstate 35 between mile markers 90 and 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4216 9333 4169 9349 4168 9441 4217 9430 TIME...MOT...LOC 0544Z 272DEG 36KT 4212 9402 4171 9424 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Hagenhoff Action: Continued Issued At: 2025-07-24 01:15:53 246 WWUS53 KDMX 240615 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 115 AM CDT Thu Jul 24 2025 IAC073-077-240624- /O.CAN.KDMX.SV.W.0172.000000T0000Z-250724T0630Z/ Greene IA-Guthrie IA- 115 AM CDT Thu Jul 24 2025 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GREENE AND NORTHEASTERN GUTHRIE COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 4216 9333 4169 9349 4168 9407 4217 9398 TIME...MOT...LOC 0614Z 272DEG 36KT 4211 9364 4170 9386 $$ IAC015-049-153-169-240630- /O.CON.KDMX.SV.W.0172.000000T0000Z-250724T0630Z/ Polk IA-Story IA-Boone IA-Dallas IA- 115 AM CDT Thu Jul 24 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR NORTHWESTERN POLK...WESTERN STORY...EASTERN BOONE AND NORTHEASTERN DALLAS COUNTIES... At 114 AM CDT, severe thunderstorms were located along a line extending from Gilbert to near Grimes, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Ames, Ankeny, Johnston, Boone, Grimes, Nevada, Polk City, Huxley, Saylorville, Madrid, Dallas Center, Slater, Roland, Granger, Gilbert, Woodward, Iowa State Center, Saylorville Lake, Big Creek Lake, and Boone Speedway. This includes Interstate 35 between mile markers 90 and 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4216 9333 4169 9349 4168 9407 4217 9398 TIME...MOT...LOC 0614Z 272DEG 36KT 4211 9364 4170 9386 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Hagenhoff Action: Cancelled Issued At: 2025-07-24 01:15:53 246 WWUS53 KDMX 240615 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 115 AM CDT Thu Jul 24 2025 IAC073-077-240624- /O.CAN.KDMX.SV.W.0172.000000T0000Z-250724T0630Z/ Greene IA-Guthrie IA- 115 AM CDT Thu Jul 24 2025 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GREENE AND NORTHEASTERN GUTHRIE COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 4216 9333 4169 9349 4168 9407 4217 9398 TIME...MOT...LOC 0614Z 272DEG 36KT 4211 9364 4170 9386 $$ IAC015-049-153-169-240630- /O.CON.KDMX.SV.W.0172.000000T0000Z-250724T0630Z/ Polk IA-Story IA-Boone IA-Dallas IA- 115 AM CDT Thu Jul 24 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR NORTHWESTERN POLK...WESTERN STORY...EASTERN BOONE AND NORTHEASTERN DALLAS COUNTIES... At 114 AM CDT, severe thunderstorms were located along a line extending from Gilbert to near Grimes, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Ames, Ankeny, Johnston, Boone, Grimes, Nevada, Polk City, Huxley, Saylorville, Madrid, Dallas Center, Slater, Roland, Granger, Gilbert, Woodward, Iowa State Center, Saylorville Lake, Big Creek Lake, and Boone Speedway. This includes Interstate 35 between mile markers 90 and 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4216 9333 4169 9349 4168 9407 4217 9398 TIME...MOT...LOC 0614Z 272DEG 36KT 4211 9364 4170 9386 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Hagenhoff Action: Expired Issued At: 2025-07-24 01:29:24 628 WWUS53 KDMX 240629 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 129 AM CDT Thu Jul 24 2025 IAC015-049-153-169-240638- /O.EXP.KDMX.SV.W.0172.000000T0000Z-250724T0630Z/ Polk IA-Story IA-Boone IA-Dallas IA- 129 AM CDT Thu Jul 24 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN POLK...WESTERN STORY...EASTERN BOONE AND NORTHEASTERN DALLAS COUNTIES WILL EXPIRE AT 130 AM CDT... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with these thunderstorms. LAT...LON 4216 9333 4169 9349 4168 9407 4217 9398 TIME...MOT...LOC 0628Z 272DEG 36KT 4211 9347 4170 9369 $$ Hagenhoff | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||