{"url_path":"/weather/alerts/2.49.0.1.840.0.36a14bae7ec165428e9d5a7cb5fa0a06366653eb.001.1","section_key":"alert","section_title":"Heat Advisory issued September 13 at 12:14PM CDT until September 14 at 6:00PM CDT by NWS Houston/Galveston TX","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-13","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.36a14bae7ec165428e9d5a7cb5fa0a06366653eb.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Houston/Galveston TX"},"word_count":169,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued September 13 at 12:14PM CDT until September 14 at 6:00PM CDT by NWS Houston/Galveston TX\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Houston; Trinity; Madison; Walker; San Jacinto; Polk; Burleson; Brazos; Washington; Grimes; Montgomery; Northern Liberty; Colorado; Austin; Waller; Inland Harris; Wharton; Fort Bend; Inland Jackson; Inland Matagorda; Inland Brazoria; Coastal Jackson\n**Issued by:** NWS Houston/Galveston TX\n**Sent:** 2026-09-13T12:14:00-05:00\n**Effective:** 2026-09-13T12:14:00-05:00\n**Expires:** 2026-09-14T07:00:00-05:00\n\n## Description\n* WHAT...Heat index values up to 109 expected.\n\n* WHERE...Portions of south central and southeast Texas.\n\n* WHEN...For the Heat Advisory today, until 6 PM CDT this evening.\nFor the Heat Advisory Monday, from 11 AM to 6 PM CDT Monday.\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."}