{"url_path":"/weather/alerts/2.49.0.1.840.0.183fa9ef25ef91a17de66d451ae8a74af2bf675a.004.1","section_key":"alert","section_title":"Heat Advisory issued May 18 at 2:10PM EDT until May 20 at 8:00PM EDT by NWS Mount Holly NJ","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.183fa9ef25ef91a17de66d451ae8a74af2bf675a.004.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Mount Holly NJ"},"word_count":181,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued May 18 at 2:10PM EDT until May 20 at 8:00PM EDT by NWS Mount Holly NJ\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Montgomery; Lower Bucks\n**Issued by:** NWS Mount Holly NJ\n**Sent:** 2026-05-18T14:10:00-04:00\n**Effective:** 2026-05-18T14:10:00-04:00\n**Expires:** 2026-05-19T05:00:00-04:00\n\n## Description\n* WHAT...Heat index values up to 98.\n\n* WHERE...In New Jersey, Mercer, Camden, Gloucester, and\nNorthwestern Burlington Counties. In Pennsylvania, Delaware,\nEastern Montgomery, Lower Bucks, and Philadelphia Counties.\n\n* WHEN...Until 8 PM EDT Wednesday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses.\n\n* ADDITIONAL DETAILS...Record setting high temperatures are quite\npossible through Wednesday, with maximum heat indices nearing 100\ndegrees during peak heating each afternoon. Given the intensity of\nthis early season stretch of heat and humidity, we are not\nacclimated to it yet and therefore impacts could be greater if\nprecautions are not taken. Showers and some thunderstorms arrive\nlater Wednesday afternoon and evening which will break this early\nseason heat.\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."}