{"url_path":"/weather/alerts/2.49.0.1.840.0.71b5c4488711632e20d3d65b72f98dc5f22087ba.001.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued July 20 at 5:52PM CDT until July 20 at 6:15PM CDT by NWS Des Moines IA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.71b5c4488711632e20d3d65b72f98dc5f22087ba.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Des Moines IA"},"word_count":192,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued July 20 at 5:52PM CDT until July 20 at 6:15PM CDT by NWS Des Moines IA\n\n**Severity:** Severe\n**Certainty:** Observed\n**Urgency:** Immediate\n**Areas:** Boone, IA; Hamilton, IA; Hardin, IA; Story, IA\n**Issued by:** NWS Des Moines IA\n**Sent:** 2026-07-20T17:52:00-05:00\n**Effective:** 2026-07-20T17:52:00-05:00\n**Expires:** 2026-07-20T18:15:00-05:00\n\n## Description\nSVRDMX\n\nThe National Weather Service in Des Moines has issued a\n\n* Severe Thunderstorm Warning for...\nNorthwestern Story County in central Iowa...\nSouthwestern Hardin County in central Iowa...\nSoutheastern Hamilton County in central Iowa...\nNortheastern Boone County in central Iowa...\n\n* Until 615 PM CDT.\n\n* At 552 PM CDT, a severe thunderstorm was located over Randall, or\n14 miles north of Ames, moving southeast at 35 mph.\n\nHAZARD...60 mph wind gusts and quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Hail damage to vehicles is expected. Expect wind damage\nto roofs, siding, and trees.\n\n* Locations impacted include...\nAmes, Story City, Roland, Jewell Junction, Gilbert, Ellsworth,\nStanhope, Randall, and Garden City.\n\nThis includes Interstate 35 between mile markers 118 and 134.\n\n## Instructions\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nA Tornado Watch remains in effect until 1000 PM CDT for central Iowa."}