{"url_path":"/weather/alerts/2.49.0.1.840.0.2b4b50c2ce383118905a7ac77a86c85923a87d23.001.1","section_key":"alert","section_title":"Flood Advisory issued July 20 at 4:25PM MDT until July 20 at 7:30PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.2b4b50c2ce383118905a7ac77a86c85923a87d23.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Denver CO"},"word_count":186,"has_tables":false,"body_markdown":"# Flood Advisory: Flood Advisory issued July 20 at 4:25PM MDT until July 20 at 7:30PM MDT by NWS Denver CO\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Clear Creek, CO; Grand, CO; Summit, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-07-20T16:25:00-06:00\n**Effective:** 2026-07-20T16:25:00-06:00\n**Expires:** 2026-07-20T19:30:00-06:00\n\n## Description\n* WHAT...Small stream flooding caused by excessive rainfall is\nexpected.\n\n* WHERE...Northwestern Clear Creek County in central Colorado...\nCentral Summit County in central Colorado...\nSouth Central Grand County in north central Colorado...\n\n* WHEN...Until 730 PM MDT.\n\n* IMPACTS...Minor flooding in low-lying and poor drainage areas.\nRises in small streams and normally dry creeks.\n\n* ADDITIONAL DETAILS...\n\n- At 425 PM MDT, Doppler radar and automated rain gauges\nindicated heavy rain due to thunderstorms. This may cause small\nstream flooding. Between 1 and 2 inches of rain have fallen.\n\n- Some locations that will experience flooding include...\nSilverthorne, Berthoud Falls and Berthoud Pass.\n\n## Instructions\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles.\n\nIn hilly terrain there are hundreds of low water crossings which are\npotentially dangerous in heavy rain. Do not attempt to cross flooded\nroads. Find an alternate route."}