{"url_path":"/weather/alerts/2.49.0.1.840.0.481d28b9593af6b55875707239a7daddd3f51893.001.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued September 18 at 4:55PM MDT until September 18 at 5:30PM MDT by NWS Grand Junction CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.481d28b9593af6b55875707239a7daddd3f51893.001.1","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":182,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued September 18 at 4:55PM MDT until September 18 at 5:30PM MDT by NWS Grand Junction CO\n\n**Severity:** Severe\n**Certainty:** Observed\n**Urgency:** Immediate\n**Areas:** Garfield, CO; Rio Blanco, CO\n**Issued by:** NWS Grand Junction CO\n**Sent:** 2026-09-18T16:55:00-06:00\n**Effective:** 2026-09-18T16:55:00-06:00\n**Expires:** 2026-09-18T17:30:00-06:00\n\n## Description\nSVRGJT\n\nThe National Weather Service in Grand Junction has issued a\n\n* Severe Thunderstorm Warning for...\nWest central Garfield County in west central Colorado...\nSouthwestern Rio Blanco County in northwestern Colorado...\n\n* Until 530 PM MDT.\n\n* At 454 PM MDT, a severe thunderstorm was located 27 miles north of\nFruita, or 34 miles northwest of Grand Junction, moving north at 30\nmph.\n\nHAZARD...Ping pong ball size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...People and animals outdoors will be injured. Expect\ndamage to roofs, siding, windows, and vehicles.\n\n* This severe thunderstorm will remain over mainly rural areas of\nwest central Garfield and southwestern Rio Blanco Counties.\n\n## Instructions\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nTorrential rainfall is occurring with this storm, and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways."}