{"url_path":"/weather/alerts/2.49.0.1.840.0.863e354293c46b1a67f8aefce58fa33edde6cb89.003.1","section_key":"alert","section_title":"Heat Advisory issued July 20 at 12:18PM CDT until July 21 at 8:00PM CDT by NWS Norman OK","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.863e354293c46b1a67f8aefce58fa33edde6cb89.003.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Norman OK"},"word_count":119,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 12:18PM CDT until July 21 at 8:00PM CDT by NWS Norman OK\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Harper; Ellis; Woodward; Roger Mills; Dewey; Custer; Beckham; Washita; Caddo; Grady; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Cotton; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay\n**Issued by:** NWS Norman OK\n**Sent:** 2026-07-20T12:18:00-05:00\n**Effective:** 2026-07-20T12:18:00-05:00\n**Expires:** 2026-07-20T22:15:00-05:00\n\n## Description\n* WHAT...Heat index values up to 109 expected.\n\n* WHERE...Portions of central, northwest, southwest, and western\nOklahoma and northern Texas.\n\n* WHEN...From noon to 8 PM CDT Tuesday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses.\n\n## Instructions\nDrink plenty of fluids, stay in an air-conditioned room, stay out of\nthe sun, and check up on relatives and neighbors."}