{"url_path":"/weather/alerts/2.49.0.1.840.0.b95a20970d81503174850fca0e43df1d99d208d9.001.1","section_key":"alert","section_title":"Frost Advisory issued September 21 at 12:43PM CDT until September 22 at 8:00AM CDT by NWS Grand Forks ND","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-21","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b95a20970d81503174850fca0e43df1d99d208d9.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Grand Forks ND"},"word_count":110,"has_tables":false,"body_markdown":"# Frost Advisory: Frost Advisory issued September 21 at 12:43PM CDT until September 22 at 8:00AM CDT by NWS Grand Forks ND\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Lake Of The Woods; North Beltrami; North Clearwater; South Beltrami; South Clearwater; Hubbard\n**Issued by:** NWS Grand Forks ND\n**Sent:** 2026-09-21T12:43:00-05:00\n**Effective:** 2026-09-21T12:43:00-05:00\n**Expires:** 2026-09-21T20:45:00-05:00\n\n## Description\n* WHAT...Temperatures in the mid 30s could result in frost formation.\n\n* WHERE...Hubbard, Lake Of The Woods, North Beltrami, South Beltrami,\nNorth Clearwater, and South Clearwater Counties.\n\n* WHEN...From midnight tonight to 8 AM CDT Tuesday.\n\n* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive\noutdoor plants may be killed if left uncovered.\n\n## Instructions\nTake steps now to protect tender plants from the cold."}