红旗警告延长至10月17日：Santa Monica山区公园首次按协同规程关闭 SCE将245,700户纳入断电考量

洛杉矶讯——本季首场Santa Ana 风的红旗警告出现新的官方进展，GSM跟进报道。据山区休闲与保护局（MRCA）10月14日发布的通告，美国国家气象局洛杉矶／Oxnard办公室发布的红旗警告时段为10月15日（周四）至17日（周六）晚8时——较此前公布的至16日（周五）晚10时有所延长；MRCA据此宣布，其管理的22处公园与保护地将于10月15、16、17日三天关闭。

【今晨最新核实】国家气象局洛杉矶办公室10月15日上午8时41分发布的警告原文确认：洛杉矶与Ventura两县山区及山麓、谷地与海岸的红旗警告均持续至周六晚8时，山区东北风20至40英里、阵风50至70英里，谷地与海岸阵风45至55英里、孤点可达65英里，最低相对湿度8%至15%，最强风时段为周四下午至周五下午；Santa Barbara与San Luis Obispo两县内陆山区及库亚马谷地新增红旗警告，时段为周五凌晨3时至下午6时（此前仅为火险天气观察）。Santa Ana 风期间高温同步来袭、周五最热，沿海与谷地多处达80至90多华氏度，洛杉矶与San Diego两地气象局的高温警告持续至周六晚8时。

【前情】GSM此前报道：国家气象局对洛杉矶县大部发布本季首场Santa Ana 风红旗警告，原时段为10月15日至16日，山区阵风可达每小时50至70英里；州长已指示提前部署消防资源；Pasadena市在高火灾危险区实施红旗停车限制；隐山市（Hidden Hills）发布全市禁明火令。

【新进展一：公园协同关闭首次启用】据加州州立公园、国家公园管理局、Santa Monica山区保护局与MRCA四家机构10月14日联合发布的消息，四方新建立的红旗警告期间公园协同关闭规程将于10月15日首次启用。MRCA列出的本局关闭名单包括卡梅伦自然保护区、科拉尔峡谷公园、Escondido峡谷公园、金枪鱼峡谷公园、托潘加观景台、富兰克林峡谷公园、金吉列牧场、上拉斯维尔赫内斯峡谷开放空间保护地等22处；州立公园系统的托潘加、Malibu溪、利奥·卡里略、穆古角等州立公园与国家公园管理局的帕拉蒙特牧场等地也将按规程关闭或可能关闭，各机构请访客出行前查询目的地状态。

【新进展二：PSPS断电考量规模公布】据路透社10月14日报道，南加州爱迪生公司（SCE）表示，强风与干燥天气下，其正在考量的公共安全断电（PSPS）可能波及多达245,700户用户，分布在洛杉矶、Santa Barbara、Ventura、克恩与Tulare等县，为今年以来纳入考量的最大规模；SCE尚未决定是否实施断电，最终决定将依据实时天气与火灾条件作出。据Santa Monica每日新闻报道，SCE已通知Malibu市：其Cuthbert、Galahad、Maguire与Merlin四条线路可能自10月15日午夜起断电。据NBC洛杉矶报道，SCE公布的分区数字中，洛杉矶县有95,284户用户处于断电生效或考量范围。

【新进展三：县级应急机构启动】洛杉矶县政府此前宣布，县紧急行动中心与联合信息中心将于周四上午启动，县消防局已增派人员并预置地面与空中资源，警长局同步加强巡查与区域协调。国家气象局San Diego办公室10月15日清晨5时33分更新的大风警告同样延入周六：内陆帝国（San Bernardino与Riverside County谷地）持续至周六晚8时，Riverside County山区、San Diego County山区与圣戈尔戈尼奥山口一带持续至周六午夜，Santa Ana山脉持续至周六中午，San Bernardino County山区至周五晚8时，最强风出现在周五，卡洪山口附近阵风可达65英里以上。截至10月15日上午本稿更新时，本次核查所查官方与通讯社页面中未见CAL FIRE就此次风灾过程发布新的重大火情事件通报。

【更新】10月15日上午：国家气象局已将洛杉矶、Ventura两县红旗警告延长至周六（17日）晚8时，并对Santa Barbara与San Luis Obispo内陆山区新增周五红旗警告；本稿已据今晨最新警告原文更新时段、范围与风力数字。

（资料来源：MRCA 10月14日通告、四家公园机构10月14日联合发布、路透社10月14日报道、Santa Monica每日新闻、NBC洛杉矶、国家气象局洛杉矶与San Diego办公室10月14日及15日上午警告原文、洛杉矶县政府发布）

Red Flag Warning Extended Through Oct. 17: Santa Monica Mountains Parks Close Under New Protocol, SCE Weighs Shutoffs for 245,700 Customers

LOS ANGELES — There are new official developments in the season's first Santa Ana wind event, and GSM is following up. According to an October 14 notice from the Mountains Recreation and Conservation Authority (MRCA), the National Weather Service's Los Angeles/Oxnard office has a Red Flag Warning in effect from Thursday, October 15, through 8 p.m. Saturday, October 17 — an extension beyond the earlier Friday 10 p.m. expiry — and 22 MRCA-managed parks and preserves will be closed on all three days.

Latest confirmation Thursday morning: In its 8:41 a.m. statement, the NWS Los Angeles office confirmed the Red Flag Warning now runs until 8 p.m. Saturday for both the mountains and foothills and the valleys and coasts of Los Angeles and Ventura counties — northeast winds of 20 to 40 mph with gusts of 50 to 70 mph in the mountains, gusts of 45 to 55 mph (isolated 65 mph) in the valleys and along the coast, minimum relative humidity of 8 to 15 percent, and the strongest winds from Thursday afternoon through Friday afternoon. A new Red Flag Warning was added for the interior mountains of Santa Barbara and San Luis Obispo counties and the Cuyama Valley, in effect from 3 a.m. to 6 p.m. Friday, upgraded from a fire weather watch. Heat builds alongside the winds and peaks Friday, with highs in the 80s to 90s across many coastal and valley areas; heat advisories from the Los Angeles and San Diego weather offices run through 8 p.m. Saturday.

Background: GSM previously reported that the Weather Service had issued the season's first Santa Ana Red Flag Warning for much of Los Angeles County for October 15-16, with mountain gusts of 50 to 70 mph; that the governor directed fire resources to be prepositioned; that Pasadena imposed Red Flag parking restrictions in its high fire hazard zones; and that Hidden Hills ordered a citywide ban on open flames.

First, the park closures mark the first use of a new coordinated protocol. California State Parks, the National Park Service, the Santa Monica Mountains Conservancy and the MRCA announced on October 14 that their joint protocol for closing parklands during Red Flag Warnings in the Santa Monica Mountains will be used for the first time on October 15. MRCA's own closure list includes Cameron Nature Preserve at Puerco Canyon, Corral Canyon Park, Escondido Canyon Park, Tuna Canyon Park, Top of Topanga Overlook, Franklin Canyon Park, King Gillette Ranch and the Upper Las Virgenes Canyon Open Space Preserve among 22 sites. State parks including Topanga, Malibu Creek, Leo Carrillo and Point Mugu, and National Park Service sites such as Paramount Ranch, will also close or are likely to close under the protocol, and agencies asked visitors to check their destination's status before leaving home.

Second, the scale of possible power shutoffs has been published. Reuters reported on October 14 that Southern California Edison (SCE) was considering Public Safety Power Shutoffs (PSPS) that could affect up to 245,700 customers in Los Angeles, Santa Barbara, Ventura, Kern and Tulare counties — the largest number under consideration this year — and that no final decision had been made, with any shutoff to depend on real-time weather and fire conditions. The Santa Monica Daily Press reported SCE had notified the City of Malibu that its Cuthbert, Galahad, Maguire and Merlin circuits could be de-energized starting at midnight on October 15. NBC Los Angeles reported SCE figures putting 95,284 Los Angeles County customers in areas where shutoffs were in effect or under consideration.

Third, county emergency structures are activating. Los Angeles County previously announced its Emergency Operations Center and Joint Information Center would activate Thursday morning, with the Fire Department augmenting staffing and pre-positioning ground and aerial resources and the Sheriff's Department stepping up monitoring and regional coordination. Separately, the NWS San Diego office's 5:33 a.m. Thursday update keeps its high wind warnings running into Saturday: the Inland Empire valleys of San Bernardino and Riverside counties until 8 p.m. Saturday; the Riverside and San Diego county mountains and the San Gorgonio Pass until midnight Saturday night; the Santa Ana Mountains until noon Saturday; and the San Bernardino County mountains until 8 p.m. Friday — with the strongest winds on Friday and gusts over 65 mph possible near the Cajon Pass. As of Thursday morning, the official and wire pages checked for this update showed no new major fire incident bulletin from CAL FIRE tied to this wind event.

Update (Thursday morning): The National Weather Service has extended the Red Flag Warning for Los Angeles and Ventura counties to 8 p.m. Saturday, October 17, and added a Friday Red Flag Warning for the interior mountains of Santa Barbara and San Luis Obispo counties. This story has been updated with the latest warning text, timing and wind figures.

(Sources: MRCA notice, Oct. 14; joint park agency release, Oct. 14; Reuters, Oct. 14; Santa Monica Daily Press; NBC Los Angeles; NWS Los Angeles and San Diego warning texts, Oct. 14–15; Los Angeles County)

发布：GSM·美国（发布链接）

图片来源：CC BY 1.0（Wikimedia Commons，Geographer）

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