{"url_path":"/weather/alerts/2.49.0.1.840.0.7435ac3a3b29056eeedd10610dd14f583dc8184e.002.3","section_key":"alert","section_title":"Heat Advisory issued July 20 at 12:11PM CDT until July 20 at 8:00PM CDT by NWS Tulsa OK","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7435ac3a3b29056eeedd10610dd14f583dc8184e.002.3","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Tulsa OK"},"word_count":183,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 12:11PM CDT until July 20 at 8:00PM CDT by NWS Tulsa OK\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Delaware; Northeast Osage; Southeast Osage\n**Issued by:** NWS Tulsa OK\n**Sent:** 2026-07-20T12:11:00-05:00\n**Effective:** 2026-07-20T12:11:00-05:00\n**Expires:** 2026-07-21T00:15:00-05:00\n\n## Description\n* WHAT...For the Heat Advisory, heat index values up to 109 expected.\nFor the Extreme Heat Warning, dangerously hot conditions with heat\nindex values up to 112 expected.\n\n* WHERE...Delaware, Northeast Osage, and Southeast Osage Counties.\n\n* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the\nExtreme Heat Warning, from noon to 8 PM CDT Tuesday.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat and high humidity events. Heat related illnesses are\npossible especially impacting those not acclimated to the\nconditions or those performing strenuous activities.\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."}