灾害 · 圣卡洛斯河
圣卡洛斯河洪水:国家气象局报告佩里多特附近发布GO撤离指示
原语言视频
译自英文原文。
2026年11月1日山地标准时间下午4:15,位于佩里多特的圣卡洛斯河水位计读数为16.5英尺。六分钟后,国家气象局图森分局发布警报,称洪水已在发生,并报告佩里多特附近沿河地区的撤离状态为GO:立即离开。1
这项指示针对受影响的河流走廊,并非要求佩里多特所有居民或格雷厄姆县所有居民撤离。警报覆盖亚利桑那州格雷厄姆县中西部,并将佩里多特和圣卡洛斯水库列为预计会遭遇洪水的地点。不能把警报覆盖的广泛区域误认为逐处划定的撤离边界。1
警报注明的到期时间是11月2日下午4:15(MST)——也就是次日下午,距离发布几乎整整一天。这是天气警报的截止时间,并非承诺可以返家的时间。尚未确认撤离已经解除、可以安全返回。
11月1日的警报是本报道关于洪水、河流水位读数和撤离状态的依据。之后的水位计读数、部落或县级当局另行发布的当前撤离指令,以及警报是否随后续发或取消,均未得到独立核实。这些局限很重要:这是一则有明确日期的紧急情况报道,并非对每个受影响地址当前状况的确认。
警报的三个关键时间
河流水位读数说明了什么
16.5英尺指的是河流水位,即以水位计的基准点为参照测得的水面高度。这并不意味着道路、院子或房屋内的洪水深度为16.5英尺。要确定这些深度,需要另外测量。单次观测也无法说明河水是在上涨、已到达洪峰,还是正在退去。
本报道未能独立确定官方的洪水严重程度数值门槛。因此,把16.5英尺的观测读数说成河水高出该门槛特定英尺数会产生误导。现有依据支持的描述是天气警报中的说法:洪水已经在发生,而非仅仅处于预报阶段。1
同样,警报将佩里多特和圣卡洛斯水库列为受威胁地点,并不能证明那里每处房产都遭遇了洪水。现有报道未提供经确认的受损建筑数量或伤亡人数。没有具体数字,并不意味着无人受伤,也不意味着没有建筑进水。
离开与返回是两个不同的决定
对于警报所述GO指示涵盖的人群,现在是立即离开的阶段,而不是开始为可能发生的撤离做准备的通知。天气警报报告了这一状态;不应将其描述为部落或县级当局新近核实并发布的撤离令。本报道未确定精确边界、避难所地址或指定撤离路线。1
警报还告诫司机不要驶过被洪水淹没的道路。熟悉的路线并不会仅仅因为平时可以通往社区就变得安全。离开受影响走廊时应遵循当地应急指示;此处没有经过核实的逐条道路封闭清单。1
对于等待返回的居民,关键的缺失信息是与当前河流状况相结合的明确应急管理更新。警报到达预定结束时间这一事实本身,不能证明道路可以通行、房屋安全或撤离指示已经解除。
下一个有日期的时间节点是11月2日下午4:15(MST)。天气警报是否延续、被替代或取消,必须与撤离是否结束这一单独决定区分开来。在授权更新另行确认之前,时间到点并不代表一切安全。
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forth.news5
- Flash Flood Warning issued November 1 at 3:43PM MST until November 1 at 5:15PM MST by NWS Tucson AZ | National Weather Service | Forth
- Flash Flood Warning issued November 1 at 12:52PM MST until November 1 at 3:45PM MST by NWS Tucson AZ | National Weather Service | Forth
- Flash Flood Warning issued November 1 at 10:24AM MST until November 1 at 2:00PM MST by NWS Tucson AZ | National Weather Service | Forth
- FLOOD WARNING IN EFFECT UNTIL 245 PM MST THIS AFTERNOON | National Weather Service | Forth
- FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON FOR NORTHWESTERN COCHISE, SOUTHWESTERN GRAHAM, EASTERN PIMA, SOUTHEASTERN PINAL AND NORTHEASTERN SANTA CRUZ COUNTIES | National Weather Service | Forth
https://www.azfamily.comazfamily.com最先2
ArcGIS StoryMapsarcgis.com1
Arizona Daily Startucson.com1
floodriskhere.com1
scat-nsn.gov1
WaterLevels.orgwaterlevels.org1
播出原貌
- Residents along the river near Peridot face immediate evacuation as major flooding hits.
- The danger reaches people along the San Carlos River and drivers who encounter flooded roads. When can residents safely return?
- The warning covers west-central Graham County in Arizona. It identifies Peridot and San Carlos Reservoir as places likely to experience flooding. Evacuation instructions concern areas along the river near Peridot, with the affected corridor narrower than the countywide warning geography.
- Evacuations along that river corridor were listed at GO on November first. GO means leave immediately. The warning describes major flooding already happening, so people affected by those instructions are being told to act now.
- The river measured 16.5 feet on November first, six minutes before the warning was issued. The warning runs through 4:15 p.m. Mountain Standard Time on November second. That places its scheduled expiration the following afternoon, almost a full day after issuance.
- The 16.5-foot reading measures water level against the gauge's reference point. Water depth across a road or inside a building requires a separate measurement. The reading describes the river at that observation time.
- Drivers should stay out of flooded roads. Floodwater on a route is a reason to stop, even if the road normally provides access to the area. Follow local emergency instructions when leaving the affected corridor.
- It isn't clear whether the river is still rising, has crested or is receding. That makes current river conditions essential to any decision about reopening the corridor.
- Residents need an explicit emergency-management update before treating the river corridor as safe to reopen. A return-home all-clear is not yet confirmed. The warning's scheduled expiration doesn't automatically lift evacuation instructions.
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