{"url_path":"/weather/alerts/2.49.0.1.840.0.57c3a015a18bd0448b99df0e66a7586326681608.001.1","section_key":"alert","section_title":"Red Flag Warning issued June 10 at 1:44PM PDT until June 11 at 9:00AM PDT by NWS San Francisco CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-10","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.57c3a015a18bd0448b99df0e66a7586326681608.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS San Francisco CA"},"word_count":272,"has_tables":false,"body_markdown":"# Red Flag Warning: Red Flag Warning issued June 10 at 1:44PM PDT until June 11 at 9:00AM PDT by NWS San Francisco CA\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** North Bay Interior Mountains; East Bay Hills\n**Issued by:** NWS San Francisco CA\n**Sent:** 2026-06-10T13:44:00-07:00\n**Effective:** 2026-06-10T13:44:00-07:00\n**Expires:** 2026-06-10T23:00:00-07:00\n\n## Description\n...RED FLAG WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM\nPDT THURSDAY DUE TO WIND AND LOW RELATIVE HUMIDITY RECOVERY FOR NORTH\nBAY INTERIOR MOUNTAINS AND EAST BAY HILLS...\n\n....Dry and windy conditions combined with some dry vegetation will\nlead to a critical fire weather threat late tonight into Thursday\nmorning...\n\n* AFFECTED AREA...East Bay Hills and North Bay Interior Mountains.\n\n* TIMING...From 11 PM this evening to 9 AM PDT Thursday.\n\n* WINDS 20 FOOT...Northerly winds 10 to 20 mph with gusts up to 45\nmph.\n\n* RELATIVE HUMIDITY RECOVERY...Thursday morning relative humidity of\nless than 40 percent.\n\n* IMPACTS...Extreme fire behavior and rapid rates of spread likely on\nnew and existing wildfires. There will be an increased risk for\npower outages.\n\n## Instructions\nPlease advise responding agencies or fire crews in the field of this\nfire weather alert.\n\nNever leave burning debris or camp fires unattended; extinguish them\ncompletely. Avoid using equipment or machinery that could create a\nspark. Secure tow chains to avoid dragging and subsequent sparks.\nNever toss cigarette butts out of your vehicle's window. Remember,\none less spark, one less flame.\n\nFamiliarize yourself with your emergency plan! Where will you go? How\nwill you get there? Do you have your go kit ready to go? Who will you\ncall to let others know you are safe? Visit ready.gov/plan for more\ninformation."}