{"url_path":"/weather/alerts/2.49.0.1.840.0.138a9706a9118e8a6f4fe85acf8583dc06e09d90.001.1","section_key":"alert","section_title":"Heat Advisory issued July 18 at 12:07PM CDT until July 19 at 9:00PM CDT by NWS Memphis TN","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.138a9706a9118e8a6f4fe85acf8583dc06e09d90.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Memphis TN"},"word_count":186,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 18 at 12:07PM CDT until July 19 at 9:00PM CDT by NWS Memphis TN\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Clay; Greene; Craighead; Poinsett; Mississippi; Cross; Crittenden; St. Francis; Lee; Phillips; Dunklin; Pemiscot; Tunica; Coahoma; Quitman; Tallahatchie\n**Issued by:** NWS Memphis TN\n**Sent:** 2026-07-18T12:07:00-05:00\n**Effective:** 2026-07-18T12:07:00-05:00\n**Expires:** 2026-07-19T00:00:00-05:00\n\n## Description\n* WHAT...For the first Heat Advisory, heat index values up to 107.\nFor the second Heat Advisory, heat index values up to 107 expected.\n\n* WHERE...Portions of East Arkansas, North Mississippi, and\nSoutheast Missouri.\n\n* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.\nFor the second Heat Advisory, from 10 AM to 9 PM CDT Sunday.\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\nTo reduce risk during outdoor work, the Occupational Safety and\nHealth Administration recommends scheduling frequent rest breaks in\nshaded or air conditioned environments. Anyone overcome by heat\nshould be moved to a cool and shaded location. Heat stroke is an\nemergency! Call 9 1 1."}