{"url_path":"/weather/alerts/2.49.0.1.840.0.3fbf74579cd11f9abd04d763ff97f0d012c72a01.001.1","section_key":"alert","section_title":"Blowing Dust Advisory issued July 12 at 4:01PM MST until July 12 at 7:00PM MST by NWS Tucson AZ","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3fbf74579cd11f9abd04d763ff97f0d012c72a01.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Tucson AZ"},"word_count":240,"has_tables":false,"body_markdown":"# Blowing Dust Advisory: Blowing Dust Advisory issued July 12 at 4:01PM MST until July 12 at 7:00PM MST by NWS Tucson AZ\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Baboquivari Mountains including Kitt Peak\n**Issued by:** NWS Tucson AZ\n**Sent:** 2026-07-12T16:01:00-07:00\n**Effective:** 2026-07-12T16:01:00-07:00\n**Expires:** 2026-07-12T19:00:00-07:00\n\n## Description\n* WHAT...Visibility between one-quarter and one mile in blowing dust\nfrom thunderstorms this afternoon and evening. Wind gusts in excess\nof 50 mph possible. Localized dense blowing dust may bring\nvisibility below one-quarter mile at times, especially in dust\nprone areas such as along Interstate 10 between Tucson and Phoenix.\n\n* WHERE...Baboquivari Mountains, South Central Pinal County, Tohono\nO'odham Nation, Tucson Metro Area, Upper Santa Cruz River\nValley/Altar Valley, and Western Pima County.\n\n* WHEN...Until 7 PM MST this evening.\n\n* IMPACTS...Hazardous driving conditions due to reduced visibility.\n\n## Instructions\nPersons with respiratory problems should make preparations to stay\nindoors until the storm passes. Be ready for a sudden drop in\nvisibility to near zero. If you encounter blowing dust or blowing\nsand on the roadway or see it approaching, pull off the road as far\nas possible and put your vehicle in park. Turn the lights all the way\noff and keep foot off the brake pedal. Remember, 'Pull Aside, Stay\nAlive'."}