{"url_path":"/weather/alerts/2.49.0.1.840.0.8817c5553adfc2ddb0f7daa073a04992e4df736f.001.1","section_key":"alert","section_title":"Flash Flood Warning issued September 12 at 2:45PM MST until September 12 at 4:30PM MST by NWS Tucson AZ","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8817c5553adfc2ddb0f7daa073a04992e4df736f.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Tucson AZ"},"word_count":211,"has_tables":false,"body_markdown":"# Flash Flood Warning: Flash Flood Warning issued September 12 at 2:45PM MST until September 12 at 4:30PM MST by NWS Tucson AZ\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Pima, AZ; Santa Cruz, AZ\n**Issued by:** NWS Tucson AZ\n**Sent:** 2026-09-12T14:45:00-07:00\n**Effective:** 2026-09-12T14:45:00-07:00\n**Expires:** 2026-09-12T16:30:00-07:00\n\n## Description\nAt 245 PM MST, Doppler radar indicated thunderstorms have diminished\nin the warned area extending from Green Valley to Madera Canyon.\nBetween 1 and 2 inches of rain have fallen. Flash flooding is ongoing\nor expected to begin shortly.\n\nHAZARD...Flash flooding caused by thunderstorms.\n\nSOURCE...Radar indicated.\n\nIMPACT...Flash flooding of small creeks and streams, urban areas,\nhighways, streets and underpasses as well as other poor\ndrainage and low-lying areas.\n\nSome locations that will experience flash flooding include...\nSahuarita and Madera Canyon.\n\nThis includes the following streams and drainages...\nSanta Cruz River, Gardner Canyon, Box Canyon Wash, Sonoita Creek\nand Josephine Canyon.\n\n## Instructions\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles.\n\nIn hilly terrain there are hundreds of low water crossings which are\npotentially dangerous in heavy rain. Do not attempt to cross flooded\nroads. Find an alternate route.\n\nRemain alert for flooding even in locations not receiving rain.\nWashes, streams, and rivers can become raging killer currents in a\nmatter of minutes, even from distant rainfall."}