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Home Return to list Severe Thunderstorm Watch 0573 Issued by the Des Moines Forecast Office
Action: New Issued At: 2026-08-12 02:27:39 283 WWUS63 KDMX 120727 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCH 573 NATIONAL WEATHER SERVICE DES MOINES IA 227 AM CDT WED AUG 12 2026 IAC001-003-009-015-027-029-039-047-049-053-073-077-121-153-159- 173-175-181-121500- /O.NEW.KDMX.SV.A.0573.260812T0727Z-260812T1500Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 573 IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL IOWA BOONE DALLAS POLK IN SOUTH CENTRAL IOWA CLARKE DECATUR MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CARROLL CRAWFORD GREENE GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ADEL, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL, CASEY, CORNING, CRESTON, DENISON, DES MOINES, EARLHAM, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, INDIANOLA, JEFFERSON, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, PANORA, PERRY, STUART, WAUKEE, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : <05% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : <02% PROB OF 10 OR MORE SEVERE WIND EVENTS : 70% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 50% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 20% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95% MEAN STORM MOTION /MPH/ : E 45 $$ Action: Continued Issued At: 2026-08-12 04:17:04 846 WWUS63 KDMX 120916 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCH 573 NATIONAL WEATHER SERVICE DES MOINES IA 416 AM CDT WED AUG 12 2026 IAC025-079-091-151-161-169-187-197-121500- /O.EXA.KDMX.SV.A.0573.000000T0000Z-260812T1500Z/ THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS MORNING IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA HAMILTON STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN WEST CENTRAL IOWA CALHOUN SAC THIS INCLUDES THE CITIES OF AMES, BELMOND, CLARION, EAGLE GROVE, EARLY, FONDA, FORT DODGE, GILMORE CITY, HUMBOLDT, LAKE CITY, LAKE VIEW, LAURENS, MANSON, ODEBOLT, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, WALL LAKE, AND WEBSTER CITY. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. $$ IAC001-003-009-015-027-029-039-047-049-053-073-077-121-153-159- 173-175-181-121500- /O.CON.KDMX.SV.A.0573.000000T0000Z-260812T1500Z/ SEVERE THUNDERSTORM WATCH 573 REMAINS VALID UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL IOWA BOONE DALLAS POLK IN SOUTH CENTRAL IOWA CLARKE DECATUR MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CARROLL CRAWFORD GREENE GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ADEL, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL, CASEY, CORNING, CRESTON, DENISON, DES MOINES, EARLHAM, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, INDIANOLA, JEFFERSON, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, PANORA, PERRY, STUART, WAUKEE, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. $$ Action: Area Extended Issued At: 2026-08-12 04:17:04 846 WWUS63 KDMX 120916 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCH 573 NATIONAL WEATHER SERVICE DES MOINES IA 416 AM CDT WED AUG 12 2026 IAC025-079-091-151-161-169-187-197-121500- /O.EXA.KDMX.SV.A.0573.000000T0000Z-260812T1500Z/ THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS MORNING IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA HAMILTON STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN WEST CENTRAL IOWA CALHOUN SAC THIS INCLUDES THE CITIES OF AMES, BELMOND, CLARION, EAGLE GROVE, EARLY, FONDA, FORT DODGE, GILMORE CITY, HUMBOLDT, LAKE CITY, LAKE VIEW, LAURENS, MANSON, ODEBOLT, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, WALL LAKE, AND WEBSTER CITY. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. $$ IAC001-003-009-015-027-029-039-047-049-053-073-077-121-153-159- 173-175-181-121500- /O.CON.KDMX.SV.A.0573.000000T0000Z-260812T1500Z/ SEVERE THUNDERSTORM WATCH 573 REMAINS VALID UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL IOWA BOONE DALLAS POLK IN SOUTH CENTRAL IOWA CLARKE DECATUR MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CARROLL CRAWFORD GREENE GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ADEL, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL, CASEY, CORNING, CRESTON, DENISON, DES MOINES, EARLHAM, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, INDIANOLA, JEFFERSON, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, PANORA, PERRY, STUART, WAUKEE, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. $$ Action: Expired Issued At: 2026-08-12 09:52:45 483 WWUS63 KDMX 121452 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCH 573 NATIONAL WEATHER SERVICE DES MOINES IA 952 AM CDT WED AUG 12 2026 IAC001-003-009-015-025-027-029-039-047-049-053-073-077-079-091- 121-151-153-159-161-169-173-175-181-187-197-121600- /O.EXP.KDMX.SV.A.0573.000000T0000Z-260812T1500Z/ THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 573 TO EXPIRE AT 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS ALLOWS TO EXPIRE 26 COUNTIES IN CENTRAL IOWA BOONE DALLAS HAMILTON POLK STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN SOUTH CENTRAL IOWA CLARKE DECATUR MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ADAIR, ADEL, AMES, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BELMOND, BOONE, CARLISLE, CARROLL, CASEY, CLARION, CORNING, CRESTON, DENISON, DES MOINES, EAGLE GROVE, EARLHAM, EARLY, EXIRA, FONDA, FONTANELLE, FORT DODGE, GILMORE CITY, GREENFIELD, GUTHRIE CENTER, HUMBOLDT, INDIANOLA, JEFFERSON, LAKE CITY, LAKE VIEW, LAMONI, LAURENS, LENOX, LEON, MANSON, MOUNT AYR, NEW MARKET, NORWALK, ODEBOLT, OSCEOLA, PANORA, PERRY, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, STUART, WALL LAKE, WAUKEE, WEBSTER CITY, AND WINTERSET. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||