{"url_path":"/weather/alerts/2.49.0.1.840.0.c6317473ddcc9f078821cb9a071c5a87b883fa29.001.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued June 20 at 4:49PM MDT until June 20 at 5:15PM MDT by NWS Riverton WY","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c6317473ddcc9f078821cb9a071c5a87b883fa29.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Riverton WY"},"word_count":150,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued June 20 at 4:49PM MDT until June 20 at 5:15PM MDT by NWS Riverton WY\n\n**Severity:** Severe\n**Certainty:** Observed\n**Urgency:** Immediate\n**Areas:** Johnson, WY\n**Issued by:** NWS Riverton WY\n**Sent:** 2026-06-20T16:49:00-06:00\n**Effective:** 2026-06-20T16:49:00-06:00\n**Expires:** 2026-06-20T17:15:00-06:00\n\n## Description\nAt 449 PM MDT, a severe thunderstorm was located 14 miles southeast\nof Buffalo, moving northeast at 45 mph.\n\nHAZARD...70 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect considerable tree damage. Damage is likely to mobile\nhomes, roofs, and outbuildings.\n\nLocations impacted include...\nBuffalo, Powder River Rest Area, Fort Reno Historical Site, Fort Phil\nKearny Historical Site, Saddlestring, Powder River Pass, Lake De\nSmet, South Fork Campground, Lost Cabin Campground, Johnson County\nFairgrounds, and Buffalo Johnson County Airport.\n\nThis includes the following highways...\nInterstate 25 between mile markers 265 and 299.\nInterstate 90 between mile markers 42 and 95.\n\n## Instructions\nFor your protection move to an interior room on the lowest floor of a\nbuilding."}