{"id":611,"date":"2007-11-29T06:00:00","date_gmt":"2007-11-28T22:00:00","guid":{"rendered":"http:\/\/www.weather.org.hk\/blog\/?p=611"},"modified":"2010-11-11T18:20:28","modified_gmt":"2010-11-11T10:20:28","slug":"%e9%9b%a3%e7%82%ba%e5%af%92%e5%86%b7%e5%ae%9a%e5%88%86%e7%95%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.weather.org.hk\/news\/%e9%9b%a3%e7%82%ba%e5%af%92%e5%86%b7%e5%ae%9a%e5%88%86%e7%95%8c%ef%bc%9f\/","title":{"rendered":"\u96e3\u70ba\u5bd2\u51b7\u5b9a\u5206\u754c\uff1f"},"content":{"rendered":"

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<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

雖然香港只是彈丸之地，但受地形及城市建設影響，各區的天氣（氣溫、雨量、風）可以相差很遠。 在冬季最明顯的差異可算是氣溫。以下是今早天文台公佈的各區最低氣溫：   在天文台的天氣術語中 ，氣溫在12度或以下稱為「寒冷」，而氣溫在7度或以下稱為「嚴寒」。上表中，有三分之二地區的最低氣溫在寒冷水平。 天文台於1999年設立寒冷天氣警告，呼籲市民提高警惕，預防寒冷天氣帶來的危險（例如體溫過低、老人病發）。警告沒有發出標準，但一般情況下當（預料）天文台氣溫跌至12度或以下，天文台便會發出警告。 值得留意的是，天文台位於市區，晚間氣溫往往比新界為高，因此即使天文台氣溫未達水平，新界地區可能已受寒冷天氣影響。今早的例子顯示，新界部份人口較多的地區例如沙田、大埔、將軍澳、荃灣，最低氣溫均在10度或以下。 一直以來，天文台的天氣警告多著重市區（尤其維多利亞港兩岸商業區）的情況，但隨著新界人口逐漸增加，警告的代表性顯然不足（熱帶氣旋警告系統已於2007年修訂）。政府部門（例如社會福利署）依賴天氣警告行事，市民卻可自行採取預防措施。隨著社會進步，市民知識水平上升，天文台部份警告的作用成疑。1999年前天文台並沒有寒冷天氣警告，市民依舊如常生活，如今卻要依賴沒有發出標準的警告？<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","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":[4],"tags":[],"class_list":["post-611","post","type-post","status-publish","format-standard","hentry","category-4"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/611","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=611"}],"version-history":[{"count":1,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/611\/revisions"}],"predecessor-version":[{"id":708,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/611\/revisions\/708"}],"wp:attachment":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/media?parent=611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/categories?post=611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/tags?post=611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}