{"url_path":"/weather/alerts/2.49.0.1.840.0.fc5d44e1c972ec5e6e2b268643e597f284f52607.001.1","section_key":"alert","section_title":"Flood Watch issued July 21 at 4:46PM EDT until July 22 at 2:00AM EDT by NWS Mount Holly NJ","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.fc5d44e1c972ec5e6e2b268643e597f284f52607.001.1","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":236,"has_tables":false,"body_markdown":"# Flood Watch: Flood Watch issued July 21 at 4:46PM EDT until July 22 at 2:00AM EDT by NWS Mount Holly NJ\n\n**Severity:** Severe\n**Certainty:** Possible\n**Urgency:** Future\n**Areas:** New Castle; Morris; Hunterdon; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks\n**Issued by:** NWS Mount Holly NJ\n**Sent:** 2026-07-21T16:46:00-04:00\n**Effective:** 2026-07-21T16:46:00-04:00\n**Expires:** 2026-07-22T02:00:00-04:00\n\n## Description\n* WHAT...Flash flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Portions of northern Delaware, including the following\narea, New Castle, New Jersey, including the following areas,\nCamden, Eastern Monmouth, Gloucester, Hunterdon, Mercer,\nMiddlesex, Morris, Northwestern Burlington, Somerset and Western\nMonmouth, and southeast Pennsylvania, including the following\nareas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks,\nPhiladelphia, Upper Bucks, Western Chester and Western Montgomery.\n\n* WHEN...Until 2 AM EDT Wednesday.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas.\n\n* ADDITIONAL DETAILS...\n- Showers and thunderstorms will continue into tonight with the\nmost widespread activity occurring through this evening. Some\nheavy showers and thunderstorms will produce torrential\nrainfall, with 2 to 3 inches of rain per hour possible. The\nexcessive rainfall within a short period of time, especially\nin urban areas, could lead to flash flooding.\n- http://www.weather.gov/safety/flood\n\n## Instructions\nYou should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued."}