Alerts from NWS Des Moines IA (UNOFFICIAL)

SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northwestern Madison County in south central Iowa... Northeastern Cass County in southwestern Iowa... Guthrie County in west central Iowa... Southeastern Audubon County in west central Iowa... Northeastern Adams County in southwestern Iowa... Adair County in southwestern Iowa... Western Dallas County in central Iowa... * Until 500 AM CDT. * At 417 AM CDT, severe thunderstorms were located along a line extending from near Brayton to 6 miles southeast of Lake Anita State Park to near Lake Icaria, moving northeast at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Atlantic, Winterset, Adel, Greenfield, Corning, Guthrie Center, Stuart, Dallas Center, Earlham, Panora, De Soto, Van Meter, Lake Panorama, Lake Icaria, Anita, Exira, Redfield, Adair, Fontanelle, and Dexter. This includes Interstate 80 between mile markers 52 and 112.

🚨 Severe Thunderstorm Warning issued August 10 at 4:17AM CDT until August 10 at 5:00AM CDT by NWS Des Moines IA 🚨
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DMX issues Severe Thunderstorm Warning [damage threat: CONSIDERABLE, wind: 70 MPH (RADAR INDICATED), hail: <.75 IN (RADAR INDICATED)] for Adair, Adams, Audubon, Cass, Dallas, Gu... at Sun, 10 Aug 2025 09:17:52 +0000 via IEMbot
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SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Cass County in southwestern Iowa... Adams County in southwestern Iowa... Northwestern Taylor County in southwestern Iowa... Southwestern Adair County in southwestern Iowa... * Until 430 AM CDT. * At 347 AM CDT, severe thunderstorms were located along a line extending from Farm Creek Public Wildlife Area to near Red Oak to near Coin, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Atlantic, Corning, Griswold, Lake Icaria, Lewis, Massena, Cumberland, Prescott, Bridgewater, Wiota, Nodaway, Carbon, Lake Anita State Park, Corning Municipal Airport, Griswold Park, Cold Springs State Park, Lake Icaria State Park, and Atlantic Municipal Airport.

🚨 Severe Thunderstorm Warning issued August 10 at 3:48AM CDT until August 10 at 4:30AM CDT by NWS Des Moines IA 🚨
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DMX issues Severe Thunderstorm Warning [damage threat: CONSIDERABLE, wind: 70 MPH (RADAR INDICATED), hail: <.75 IN (RADAR INDICATED)] for Adair, Adams, Cass, Taylor [IA] till 4:... at Sun, 10 Aug 2025 08:48:14 +0000 via IEMbot
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* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Southern into parts of central and much of eastern Iowa. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Very heavy rainfall is possible overnight with rainfall rates of 2 to 3 inches per hour possible. Total rainfall amounts may exceed 5 inches in some areas.

🚨 Flood Watch issued August 10 at 3:05AM CDT until August 10 at 7:00PM CDT by NWS Des Moines IA 🚨
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DMX issues Severe Thunderstorm Watch for Adair, Adams, Appanoose, Audubon, Boone, Cass, Clarke, Dallas, Decatur, Greene, Guthrie, Jasper, Lucas, Madison, Marion, Marshall, Monroe, ... at Sun, 10 Aug 2025 07:55:49 +0000 via IEMbot
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THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 584 IN EFFECT UNTIL 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 24 COUNTIES IN CENTRAL IOWA BOONE DALLAS JASPER MARSHALL POLK STORY IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MADISON MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON GREENE GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ADEL, ALBIA, ALLERTON, AMES, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CASEY, CENTERVILLE, CHARITON, CORNING, CORYDON, CRESTON, DES MOINES, EARLHAM, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, HUMESTON, INDIANOLA, JEFFERSON, KNOXVILLE, LAMONI, LENOX, LEON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, PANORA, PELLA, PERRY, SEYMOUR, STUART, WAUKEE, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 10% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : <02% PROB OF 10 OR MORE SEVERE WIND EVENTS : 50% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 30% 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 : 70% MEAN STORM MOTION /MPH/ : E 45

🚨 Severe Thunderstorm Watch issued August 10 at 2:55AM CDT until August 10 at 8:00AM CDT by NWS Des Moines IA 🚨
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SPC issues Severe Thunderstorm Watch 584 till 13:00Z for portions of DMX
at Sun, 10 Aug 2025 07:47:24 +0000 via IEMbot
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DES MOINES IA Aug 9
Climate Report:
High: 83
Low: 74
Precip: 0.1"
Snow: 0.0"
at Sun, 10 Aug 2025 07:06:53 +0000 via IEMbot
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Storm Prediction Center issues Mesoscale Discussion #1920 concerning SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY [watch prob: 95%] [Most Prob: Tornado: UP TO 95 MPH, Hail: ... at Sun, 10 Aug 2025 06:45:53 +0000 via IEMbot
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Weather Prediction Center issues Mesoscale Precipitation Discussion #890 concerning HEAVY RAINFALL...FLASH FLOODING LIKELY
at Sun, 10 Aug 2025 06:23:40 +0000 via IEMbot
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DMX issues Area Forecast Discussion (AFD) at Aug 10, 12:52 AM CDT ...Updated for the 06z Aviation Discussion... via IEMbot
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[Delayed Report] 1 NE Fort Dodge [Webster Co, IA] Public reports Tstm Wnd Dmg at 9 Aug, 7:19 AM CDT -- Large tree down at this location, few others reported in town. Time estimated... at Sun, 10 Aug 2025 03:29:08 +0000 via IEMbot
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[Delayed Report] 2 N Glidden [Carroll Co, IA] Public reports Tstm Wnd Dmg at 9 Aug, 7:15 AM CDT -- Large pine uprooted and garage doors pushed in. Delayed report via social media, ... at Sun, 10 Aug 2025 03:04:03 +0000 via IEMbot
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[Delayed Report] Breda [Carroll Co, IA] Public reports Tstm Wnd Dmg at 9 Aug, 7:10 AM CDT -- Large tree, unclear is rotted or healthy, snapped at base. Few other small branches in ... at Sun, 10 Aug 2025 02:34:02 +0000 via IEMbot
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...The Flood Watch continues for the following rivers in Iowa... Des Moines River at Ottumwa affecting Wapello and Davis Counties. * WHAT...Flooding is possible. * WHERE...The Des Moines River at Ottumwa, or from Middle Avery Creek near Chillicothe to the Van Buren County line. * WHEN...From Sunday evening to late Monday evening. * IMPACTS...At 10.0 feet, Agricultural flooding occurs along most of the reach between Ottumwa and Eldon. * ADDITIONAL DETAILS... - At 8:50 PM CDT Saturday the stage was 8.7 feet. - Forecast...Rises on the river are possible over the next few days. This morning's forecast showed a crest in minor flood stage, but this evening's forecast would keep the river below minor flood stage. With uncertainty in rain amounts and placement, have maintained the river flood watch for this location for now. - Flood stage is 11.5 feet.

🚨 Flood Watch issued August 9 at 9:23PM CDT until August 11 at 10:45PM CDT by NWS Des Moines IA 🚨
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* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Southern into parts of central and much of eastern Iowa. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Very heavy rainfall is possible tonight with rainfall rates of 2 to 3 inches per hour possible. Total rainfall amounts may exceed 5 inches in some areas.

🚨 Flood Watch issued August 9 at 9:20PM CDT until August 11 at 1:00PM CDT by NWS Des Moines IA 🚨
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DMX continues Flood Watch for Adair, Adams, Appanoose, Black Hawk, Boone, Bremer, Clarke, Dallas, Davis, Decatur, Grundy, Hardin, Jasper, Lucas, Madison, Mahaska, Marion, Marshall,... at Sun, 10 Aug 2025 02:20:47 +0000 via IEMbot
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WCO issues Area Hydrological Discussion (AHD) at Aug 9, 7:51 PM CDT
at Sun, 10 Aug 2025 01:01:07 +0000 via IEMbot
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Weather Prediction Center issues Mesoscale Precipitation Discussion #888 concerning HEAVY RAINFALL...FLASH FLOODING LIKELY
at Sun, 10 Aug 2025 00:47:05 +0000 via IEMbot
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DMX issues Area Forecast Discussion (AFD) at Aug 9, 6:45 PM CDT ...Updated for the 00z Aviation Discussion... via IEMbot
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DES MOINES IA Aug 9
Climate Report:
High: 83
Low: 74
Precip: 0.1"
Snow: 0.0" Snow Depth: 0"
at Sat, 09 Aug 2025 22:30:45 +0000 via IEMbot
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Humboldt [Humboldt Co, IA] Public reports Tstm Wnd Dmg at 8:27 AM CDT -- Report of trees and branches down across town, via social media. Time estimated by radar.
at Sat, 09 Aug 2025 21:48:53 +0000 via IEMbot
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DMX issues Hazardous Weather Outlook (HWO) at Aug 9, 4:18 PM CDT
at Sat, 09 Aug 2025 21:18:37 +0000 via IEMbot
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* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southwest Iowa, including the following counties, Adair and Adams. * WHEN...From 7 PM CDT this evening through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Very heavy rainfall is possible tonight with rainfall rates of 2 to 3 inches per hour possible. Total rainfall amounts may exceed 5 inches in some areas.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, northeast, south central, southeast, and southwest Iowa, including the following counties, in central Iowa, Boone, Dallas, Grundy, Hardin, Jasper, Marshall, Polk, Poweshiek, Story and Tama. In northeast Iowa, Black Hawk and Bremer. In south central Iowa, Appanoose, Clarke, Decatur, Lucas, Madison, Mahaska, Marion, Monroe, Ringgold, Union, Warren and Wayne. In southeast Iowa, Davis and Wapello. In southwest Iowa, Taylor. * WHEN...From 7 PM CDT this evening through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Very heavy rainfall is possible tonight with rainfall rates of 2 to 3 inches per hour possible. Total rainfall amounts may exceed 5 inches in some areas.

🚨 Flood Watch issued August 9 at 3:07PM CDT until August 11 at 1:00PM CDT by NWS Des Moines IA 🚨
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Storm Prediction Center issues Mesoscale Discussion #1914 concerning SEVERE POTENTIAL...WATCH POSSIBLE [watch prob: 40%] [Most Prob: Gust: 55-70 MPH]
at Sat, 09 Aug 2025 19:54:43 +0000 via IEMbot
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DMX issues Area Forecast Discussion (AFD) at Aug 9, 2:59 PM CDT
at Sat, 09 Aug 2025 19:59:16 +0000 via IEMbot
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Halbur [Carroll Co, IA] Emergency Mngr reports Tstm Wnd Dmg at 7:20 AM CDT -- Emergency manager reported trees down in Halbur. Time estimated from radar.
at Sat, 09 Aug 2025 18:34:41 +0000 via IEMbot
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3 ESE Arcadia [Carroll Co, IA] Emergency Mngr reports Tstm Wnd Dmg at 7:22 AM CDT -- Emergency manager reported damage to sheds and outbuildings. Time estimated from radar.
at Sat... at Sat, 09 Aug 2025 18:22:50 +0000 via IEMbot
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DMX issues Area Forecast Discussion (AFD) at Aug 9, 12:55 PM CDT ...Updated for the 18z Aviation Discussion... via IEMbot
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