{"id":2671,"date":"2020-07-31T06:39:53","date_gmt":"2020-07-30T22:39:53","guid":{"rendered":"http:\/\/www.weather.org.hk\/blog\/?p=2671"},"modified":"2020-07-31T06:58:56","modified_gmt":"2020-07-30T22:58:56","slug":"%e5%ad%a3%e9%a2%a8%e4%bd%8e%e5%a3%93%e7%9a%84%e6%9c%aa%e4%be%86%e5%8b%95%e5%90%91","status":"publish","type":"post","link":"https:\/\/www.weather.org.hk\/news\/%e5%ad%a3%e9%a2%a8%e4%bd%8e%e5%a3%93%e7%9a%84%e6%9c%aa%e4%be%86%e5%8b%95%e5%90%91\/","title":{"rendered":"\u5b63\u98a8\u4f4e\u58d3\u7684\u672a\u4f86\u52d5\u5411"},"content":{"rendered":"

\"Screenshot<\/a>
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\"Screenshot<\/a>
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\"2d256nradar_202007310636\"<\/a><\/p>\n

\"SEVP_NMC_STFC_SFER_ER24_ACHN_L88_P9_20200731000002400\"<\/a>
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\u8acb\u7e7c\u7e8c\u7559\u610f\u5b63\u98a8\u4f4e\u58d3\u7684\u6700\u65b0\u52d5\u5411\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

圖：季風低壓的風場分佈，橙色區域風力較強。（來源：Windy） 菲律賓以西的季風低壓，晚間繼續橫過南海。 眾所周知，熱帶氣旋中心附近風力較強，外圍風力較弱。但季風低壓的特點是中心風力較弱，外圍風力較強。因此即使與香港有一段距離，香港仍然可以受強風甚至烈風影響。2019年7月31日，熱帶氣旋韋帕橫過南海登陸海南島，由於韋帕帶有季風低壓的特性，因此即使距離香港超過300公里，香港仍然受烈風影響，天文台需要發出8號風球。 香港清晨的風力有所增強，大老山及橫瀾島開始持續吹強風，部分地區的陣風亦已達強風甚至烈風程度。市民應該將室外的物件收回或縛緊。由於海面風浪較大，市民不應進行水上活動。 圖：2020年7月31日6時30分之香港一小時最高陣風（數據來源：香港天文台） 另一方面，與季風低壓相關的雨帶，今日將會移近華南沿岸開始並影響香港。中央台預計廣東沿岸會有暴雨（日雨量超過50毫米）。市民外出時應考慮帶備雨具。當雨帶橫過香港時，亦可能出現較大陣風。 上圖：2020年7月31日6時36分天文台雷達圖（來源：香港天文台） 下圖：2020年7月31日全國24小時雨量預報圖，深藍色區域雨量超過50毫米。（來源：中央氣象台） 由於現時季風低壓不具熱帶氣旋特性，天文台未有升格為熱帶氣旋及發出熱帶氣旋警告信號。不過假如香港持續吹強風，天文台有需要發出強烈季候風信號。注意強烈季候風信號風力等同三號風球，市民不應輕視。在香港以南的黃茅洲，風力更已達8級（烈風）。歐美主流數值預報均預測季風低壓大致移向海南島及北部灣，香港今日及星期六將會吹強風，星期日風勢緩和。目前來看，香港普遍吹烈風的機會不高。 請繼續留意季風低壓的最新動向。<\/p>\n","protected":false},"author":2,"featured_media":2672,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[41],"tags":[],"class_list":["post-2671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-41"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.weather.org.hk\/news\/wp-content\/uploads\/2020\/07\/Screenshot-2020-07-31-at-6.19.16-AM.png?fit=696%2C687&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/2671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/comments?post=2671"}],"version-history":[{"count":9,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/2671\/revisions"}],"predecessor-version":[{"id":2685,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/2671\/revisions\/2685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/media\/2672"}],"wp:attachment":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/media?parent=2671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/categories?post=2671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/tags?post=2671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}