{"url_path":"/weather/alerts/2.49.0.1.840.0.d0cd321910460a954b3a5a29db38ee091346cf59.005.2","section_key":"alert","section_title":"Heat Advisory issued July 21 at 1:50PM CDT until July 21 at 9:00PM CDT by NWS Jackson MS","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-21","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d0cd321910460a954b3a5a29db38ee091346cf59.005.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Jackson MS"},"word_count":227,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 21 at 1:50PM CDT until July 21 at 9:00PM CDT by NWS Jackson MS\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Scott; Smith; Jasper; Clarke; Jones; Forrest\n**Issued by:** NWS Jackson MS\n**Sent:** 2026-07-21T13:50:00-05:00\n**Effective:** 2026-07-21T13:50:00-05:00\n**Expires:** 2026-07-21T22:00:00-05:00\n\n## Description\n* WHAT...For the Heat Advisories, heat index values in excess of 105\ndegrees expected.\n\n* WHERE...Portions of central, east central, and southeast\nMississippi.\n\n* WHEN...For the Heat Advisory today, until 9 PM CDT this evening.\nFor the Heat Advisory tomorrow, from 10 AM to 8 PM CDT Wednesday.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat and high humidity events.\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\nDo not leave young children and pets in unattended vehicles. Car\ninteriors will reach lethal temperatures in a matter of minutes.\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.\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.\n\nStay cool, stay hydrated, stay informed."}