{"url_path":"/weather/alerts/2.49.0.1.840.0.d610d7a2afa31a951573b7c5d3ba67746cc6473d.001.2","section_key":"alert","section_title":"Heat Advisory issued September 13 at 11:48AM CDT until September 13 at 7:00PM CDT by NWS Norman OK","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-13","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d610d7a2afa31a951573b7c5d3ba67746cc6473d.001.2","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":136,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued September 13 at 11:48AM CDT until September 13 at 7:00PM CDT by NWS Norman OK\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Hughes; Coal; Johnston; Atoka; Marshall; Bryan\n**Issued by:** NWS Norman OK\n**Sent:** 2026-09-13T11:48:00-05:00\n**Effective:** 2026-09-13T11:48:00-05:00\n**Expires:** 2026-09-14T02:00:00-05:00\n\n## Description\n* WHAT...Heat index values up to 108 expected.\n\n* WHERE...Atoka, Bryan, Coal, Hughes, Johnston, and Marshall\nCounties.\n\n* WHEN...Until 7 PM CDT this evening, and from noon to 7 PM CDT\nMonday.\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.\n\nTake extra precautions when outside. Wear lightweight and loose\nfitting clothing. Try to limit strenuous activities to early morning\nor evening. Take action when you see symptoms of heat exhaustion and\nheat stroke."}