{"url_path":"/weather/alerts/2.49.0.1.840.0.57489f9bf0aa66b0c57a3ec620ef854cced397ab.001.1","section_key":"alert","section_title":"Red Flag Warning issued September 12 at 3:07AM MDT until September 12 at 9:00PM MDT by NWS Pocatello ID","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.57489f9bf0aa66b0c57a3ec620ef854cced397ab.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Pocatello ID"},"word_count":184,"has_tables":false,"body_markdown":"# Red Flag Warning: Red Flag Warning issued September 12 at 3:07AM MDT until September 12 at 9:00PM MDT by NWS Pocatello ID\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River\n**Issued by:** NWS Pocatello ID\n**Sent:** 2026-09-12T03:07:00-06:00\n**Effective:** 2026-09-12T03:07:00-06:00\n**Expires:** 2026-09-12T21:00:00-06:00\n\n## Description\n* AFFECTED AREA...Fire Weather Zone 427 Goose Creek and Raft\nRiver Valley/Southern Sawtooth NF/Twin Falls BLM south of the\nSnake River.\n\n* WINDS...West 10 to 20 mph with gusts up to 30 mph.\n\n* RELATIVE HUMIDITY...As low as 13 percent.\n\n* IMPACTS...Low humidity and moderate to strong wind causes\nrapid fire spread and higher intensity wildfires.\n\n## Instructions\nA Red Flag Warning means that critical fire weather conditions\nare either occurring now, or will shortly based on these criteria\nfor Southeastern Idaho:\n\n- Relative humidity at or below 15 percent and wind gusts of at\nleast 25 mph in the mountains, or 30 mph in the Snake Plain.\n\n- Thunderstorm coverage of 25 percent, without specific rainfall\ncriteria.\n\n- Other high impact events deemed critical by the National\nWeather Service and area fire management agencies."}