{"id":604,"date":"2007-07-25T05:00:00","date_gmt":"2007-07-24T21:00:00","guid":{"rendered":"http:\/\/www.weather.org.hk\/blog\/?p=604"},"modified":"2010-11-11T18:21:51","modified_gmt":"2010-11-11T10:21:51","slug":"%e9%85%b7%e7%86%b1%e5%a4%a9%e6%b0%a3%e8%88%87%e8%ad%a6%e5%91%8a","status":"publish","type":"post","link":"https:\/\/www.weather.org.hk\/news\/%e9%85%b7%e7%86%b1%e5%a4%a9%e6%b0%a3%e8%88%87%e8%ad%a6%e5%91%8a\/","title":{"rendered":"\u9177\u71b1\u5929\u6c23\u8207\u8b66\u544a"},"content":{"rendered":"

\t\t\t\t\t\t\t\t\t<\/p>\n

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\u9664\u6c23\u6eab\u5916\uff0c\u9177\u71b1\u5929\u6c23\u4e0b\u7684\u76f8\u5c0d\u6fd5\u5ea6\u53ca\u98a8\u529b\u5c0d\u4eba\u4e5f\u6709\u5f71\u97ff\uff0c\u76f8\u5c0d\u6fd5\u5ea6\u8f03\u4f4e\u6216\u98a8\u529b\u8f03\u5927\u6642\uff0c\u6c57\u6c34\u8f03\u6613\u84b8\u767c\uff0c\u9ad4\u6eab\u8abf\u7bc0\u8f03\u6613\uff0c\u5c0d\u5065\u5eb7\u7684\u5371\u96aa\u6027\u8f03\u4f4e\u3002\u7f8e\u570b\u662f\u9177\u71b1\u5929\u6c23\u5f71\u97ff\u7684\u5730\u5340\uff0c\u570b\u5bb6\u6c23\u8c61\u5c40\u5229\u7528\u6c23\u6eab\u53ca\u76f8\u5c0d\u6fd5\u5ea6\u5236\u5b9a\u9177\u71b1\u6307\u6578<\/a>\uff08heat index\uff09\uff0c\u53cd\u6620\u4eba\u5728\u67d0\u6c23\u6eab\u53ca\u76f8\u5c0d\u6fd5\u5ea6\u689d\u4ef6\u4e0b\u611f\u53d7\u5230\u7684\u6eab\u5ea6\uff0c\u7576\u6307\u6578\u8d85\u904e40\u5ea6\u6642\u4fbf\u53ef\u80fd\u5c0d\u5065\u5eb7\u9020\u6210\u5371\u96aa\u3002<\/p>\n

\u5929\u6587\u53f0\u8fd1\u5e74\u4ea6\u81f4\u529b\u7814\u7a76\u985e\u4f3c\u7684\u6307\u6578\uff0c\u4e26\u5728\u570b\u969b\u6c23\u8c61\u520a\u7269\u4e2d\u516c\u958b\u7814\u7a76\u7d50\u679c<\/a>\u3002\u6839\u64da\u7814\u7a76\u5831\u544a\uff0c\u5929\u6587\u53f0\u5229\u7528\u6c23\u6eab\u3001\u76f8\u5c0d\u6fd5\u5ea6\u53ca\u98a8\u901f\u5236\u5b9a\u6de8\u6709\u6548\u6eab\u5ea6\uff08net effective temperature\uff09\uff0c\u7576\u6eab\u5ea6\u905429\u5ea6\u4ee5\u4e0a\u4fbf\u8003\u616e\u767c\u51fa\u9177\u71b1\u5929\u6c23\u8b66\u544a\u3002<\/p>\n

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

近日天氣酷熱，大暑當日更有市民因中暑而死亡，但天文台並無發出酷熱天氣警告，究竟是誰的責任？ 天文台的天氣報告術語中，酷熱是指氣溫達33度或以上。為提醒市民酷熱天氣對健康的危險，天文台於2000年設立酷熱天氣警告，但並無公佈發出警告的指標，而過去當天文台氣溫超過33度時天文台便發出警告，因此對警告有認識的市民便將33度作為「約定俗成」的指標。可是踏入2007年，這個約定俗成的指標似乎不再適用。即使天文台氣溫超過33度（例如在6月4、20、22-24、26日及7月7-9、22日），天文台也沒有發出警告。 除氣溫外，酷熱天氣下的相對濕度及風力對人也有影響，相對濕度較低或風力較大時，汗水較易蒸發，體溫調節較易，對健康的危險性較低。美國是酷熱天氣影響的地區，國家氣象局利用氣溫及相對濕度制定酷熱指數（heat index），反映人在某氣溫及相對濕度條件下感受到的溫度，當指數超過40度時便可能對健康造成危險。 天文台近年亦致力研究類似的指數，並在國際氣象刊物中公開研究結果。根據研究報告，天文台利用氣溫、相對濕度及風速制定淨有效溫度（net effective temperature），當溫度達29度以上便考慮發出酷熱天氣警告。 大暑當日有市民因中暑而死亡，天文台表示當日天氣條件未達到發出警告的指標，因此未有發出警告（當日天文台最高氣溫只有32.8度）。至於指標是33度，還是如研究報告中所述，或另有其他指標，天文台以「相當複雜」為理由沒有公佈。但假如天氣條件未達指標仍然有市民中暑死亡，這個指標的有效性就值得商榷。 香港夏季天氣炎熱，市民戶外工作或活動時需留意體溫及體力消耗，避免長時間曝曬及適當補充水份，這是任何時候都要注意的。如果只依賴天文台發出酷熱天氣警告來做預防措施，便失去了主動性，後果更可能是賠上性命。<\/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-604","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\/604","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=604"}],"version-history":[{"count":1,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/604\/revisions"}],"predecessor-version":[{"id":715,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/posts\/604\/revisions\/715"}],"wp:attachment":[{"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/media?parent=604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/categories?post=604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.weather.org.hk\/news\/wp-json\/wp\/v2\/tags?post=604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}