{"url_path":"/weather/alerts/2.49.0.1.840.0.c9eacf3243a0667d5f974ea767d42c203d45f034.002.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued July 21 at 6:36PM EDT until July 21 at 7:30PM EDT by NWS Buffalo NY","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.c9eacf3243a0667d5f974ea767d42c203d45f034.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Buffalo NY"},"word_count":148,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued July 21 at 6:36PM EDT until July 21 at 7:30PM EDT by NWS Buffalo NY\n\n**Severity:** Severe\n**Certainty:** Observed\n**Urgency:** Immediate\n**Areas:** Livingston, NY; Monroe, NY; Ontario, NY\n**Issued by:** NWS Buffalo NY\n**Sent:** 2026-07-21T18:36:00-04:00\n**Effective:** 2026-07-21T18:36:00-04:00\n**Expires:** 2026-07-21T19:30:00-04:00\n\n## Description\nAt 636 PM EDT, a severe thunderstorm was located over Avon, or 9\nmiles north of Geneseo, moving east at 40 mph.\n\nHAZARD...60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to roofs, siding, and trees.\n\nLocations impacted include...\nGeneva, Canandaigua, Geneseo, Avon, Victor, Honeoye Falls, Bristol,\nCaledonia, Lima, and Clifton Springs.\n\nThis includes the following highways...\nInterstate 390 between exits 8 and 11.\nInterstate 90 between exits 42 and 45.\n\n## Instructions\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nTorrential rainfall is occurring with this storm, and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways."}