{"url_path":"/weather/alerts/2.49.0.1.840.0.a71463838ef76af17892f7e7498e81ddfd2d7fff.001.1","section_key":"alert","section_title":"Flash Flood Warning issued May 18 at 5:45PM CDT until May 18 at 8:45PM CDT by NWS Omaha/Valley NE","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a71463838ef76af17892f7e7498e81ddfd2d7fff.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Omaha/Valley NE"},"word_count":187,"has_tables":false,"body_markdown":"# Flash Flood Warning: Flash Flood Warning issued May 18 at 5:45PM CDT until May 18 at 8:45PM CDT by NWS Omaha/Valley NE\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Gage, NE; Johnson, NE; Pawnee, NE\n**Issued by:** NWS Omaha/Valley NE\n**Sent:** 2026-05-18T17:45:00-05:00\n**Effective:** 2026-05-18T17:45:00-05:00\n**Expires:** 2026-05-18T20:45:00-05:00\n\n## Description\nAt 545 PM CDT, emergency management reported thunderstorms producing\nheavy rain across the warned area. Between 2 and 3 inches of rain\nhave fallen. Additional rainfall amounts of up to one inch is\npossible in the warned area. Flash flooding is ongoing.\n\nHAZARD...Flash flooding caused by thunderstorms.\n\nSOURCE...Emergency management reported.\n\nIMPACT...Flash flooding of small creeks and streams, urban areas,\nhighways, streets and underpasses as well as other poor\ndrainage and low-lying areas.\n\nSome locations that will experience flash flooding include...\nTecumseh, Wymore, Adams, Sterling, Blue Springs, Pickrell, Filley,\nLewiston, Virginia, Crab Orchard, Holmesville, Vesta, Rockford,\nRockford State Recreation Area and St Mary.\n\nLocalized flooding was reported in Tecumseh. Based on radar analysis,\nthe southern portions of Johnson county likely received the most\nsubstantial rain likely leading to many flooded gravel roads.\n\n## Instructions\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles."}