{"url_path":"/weather/alerts/2.49.0.1.840.0.4255a93108894415f69eebeec73ea6a91452260c.001.1","section_key":"alert","section_title":"Flood Advisory issued September 16 at 3:41PM MDT until September 16 at 6:45PM MDT by NWS Grand Junction CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-16","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4255a93108894415f69eebeec73ea6a91452260c.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Grand Junction CO"},"word_count":204,"has_tables":false,"body_markdown":"# Flood Advisory: Flood Advisory issued September 16 at 3:41PM MDT until September 16 at 6:45PM MDT by NWS Grand Junction CO\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Mesa, CO\n**Issued by:** NWS Grand Junction CO\n**Sent:** 2026-09-16T15:41:00-06:00\n**Effective:** 2026-09-16T15:41:00-06:00\n**Expires:** 2026-09-16T18:45:00-06:00\n\n## Description\n* WHAT...Arroyo and small stream flooding caused by excessive\nrainfall is expected.\n\n* WHERE...Southwestern Mesa County in west central Colorado...\n\n* WHEN...Until 645 PM MDT.\n\n* IMPACTS...Minor flooding in low-lying and poor drainage areas.\nRises in small streams and normally dry arroyos. Some low-water\ncrossings may become impassable.\n\n* ADDITIONAL DETAILS...\n- At 341 PM MDT, Doppler radar indicated heavy rain due to\nthunderstorms. This will cause arroyo and small stream flooding.\nBetween 0.5 and 1 inch of rain has fallen.\n- Some locations that will experience flooding include...\nMainly rural areas of Southwestern Mesa County.\n- http://www.weather.gov/safety/flood\n\n## Instructions\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles.\n\nRemain alert for flooding even in locations not receiving rain.\nArroyos, streams, and rivers can become raging currents in a matter\nof minutes, even from distant rainfall.\n\nPlease report observed flooding to local emergency services or law\nenforcement and request they pass this information to the National\nWeather Service when you can do so safely."}