{"url_path":"/weather/alerts/2.49.0.1.840.0.d9d85e108d8e6c519ba527e94dff2ecea1a3948c.001.1","section_key":"alert","section_title":"Heat Advisory issued July 20 at 1:51PM CDT until July 21 at 8:00PM CDT by NWS Huntsville AL","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.d9d85e108d8e6c519ba527e94dff2ecea1a3948c.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Huntsville AL"},"word_count":133,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 1:51PM CDT until July 21 at 8:00PM CDT by NWS Huntsville AL\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Lauderdale; Colbert; Franklin; Lawrence; Limestone; Madison; Morgan; Marshall; Jackson; Cullman; Moore; Lincoln; Franklin\n**Issued by:** NWS Huntsville AL\n**Sent:** 2026-07-20T13:51:00-05:00\n**Effective:** 2026-07-20T13:51:00-05:00\n**Expires:** 2026-07-21T01:00:00-05:00\n\n## Description\n* WHAT...Heat index values up to 109.\n\n* WHERE...Much of northern Alabama and southern middle Tennessee\n\n* WHEN...Until 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.\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."}