{"url_path":"/weather/alerts/2.49.0.1.840.0.4c1147925d5e73f12efb5165884ecc58d230474f.001.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued July 20 at 5:54PM 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%3A2.49.0.1.840.0.4c1147925d5e73f12efb5165884ecc58d230474f.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":134,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued July 20 at 5:54PM 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:** Marshall, IA; Story, IA\n**Issued by:** NWS Des Moines IA\n**Sent:** 2026-07-20T17:54:00-05:00\n**Effective:** 2026-07-20T17:54:00-05:00\n**Expires:** 2026-07-20T18:15:00-05:00\n\n## Description\nAt 553 PM CDT, a severe thunderstorm was located near Colo, or 10\nmiles northeast of Nevada, moving southeast at 20 mph.\n\nHAZARD...Golf ball size hail and 60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...People and animals outdoors will be injured. Expect hail\ndamage to roofs, siding, windows, and vehicles. Expect wind\ndamage to roofs, siding, and trees.\n\nLocations impacted include...\nState Center, Colo, and Zearing.\n\n## Instructions\nA Tornado Watch remains in effect until 1000 PM CDT for central Iowa.\n\nFor your protection move to an interior room on the lowest floor of a\nbuilding."}