迎接今年首波梅雨鋒面~2015/05/18 - 颱風討論

By Daph Bay
at 2015-05-18T17:06
at 2015-05-18T17:06
Table of Contents
今天台灣持續受到太平洋高壓籠罩的影響,各地天氣晴朗穩定,
偏南風暖空氣明顯、高壓沉降增溫再加上陽光直射,各地高溫觀測紛紛達到32~35度以上,
最高溫出現在台東大武,高達36.6度,這主要是受到南風過山下沉增溫所導致,
台北也達到35.4度,嘉義35.0度,都是非常炎熱的氣溫,
走在戶外的感受就跟火爐一樣,實際體感溫度可能超過40度以上,
如果沒有做好防曬,可能不用15分鐘就會曬傷,而且非常容易中暑。
預估這樣晴朗炎熱的天氣大約就只持續到今天,
明天周二(19日)開始太平洋高壓逐漸減弱東退,北邊的鋒面系統跟著南壓靠近台灣,
明天白天受到鋒面靠近的影響,台灣附近的西南風將會顯著加強,
首先在迎風面的中部以南地區沿海可能會出現局部性的短暫陣雨,
中北部山區午後熱對流發展的狀況也可能會增多,
沿海及高地有出現西南到偏南風強陣風的機會,
緊接著明晚起鋒面到達台灣,預估將展開一波為期至少4~5天之久的明顯降雨。
由目前的中低層氣流圖觀察顯示,在
印度洋一帶已經逐漸有象徵西南夏季風的跨赤道索馬里急流建立,
急流前端一直延伸到孟加拉灣。
這條急流代表水氣的輸送帶,就像大氣中的長河一般,
預估隨著台灣附近的太平洋高壓明天開始向東退後,
北邊的鋒面南下,急流前端可望進一步向東延伸,
經過中南半島進入南海,成為今年第一波正式侵入南海的西南夏季風,
並且匯入鋒面南側,讓這波鋒面成為第一波正式的梅雨鋒面。
梅雨鋒面跟一般的鋒面不同的特徵就在於它跟西南夏季風配合,
鋒前的水氣充沛,空氣暖濕,大氣不穩定度高,
只要鋒面的動力舉升機制稍加擾動就容易產生旺盛的對流雲團,
造成大雨或豪雨的機會相當大,
預估明晚起鋒面逐漸抵達,一連幾天的時間在台灣附近都很容易出現旺盛對流系統,
只要對流正好在陸地上發展,或是在近海生長後移入,就可能會帶來豪大雨,
因此一直到周日(24日)前都要請大家隨時注意最新的雲圖、雷達圖或是天氣方面的資訊,
並且提早做好防範豪大雨來襲的準備。
鋒面影響的時間看起來很長,如果看比較詳細的變化,
在這段期間鋒面仍會有南北擺動的狀況出現。
預估鋒面在明天深夜靠近,後天周三(20日)清晨左右抵達北台灣,然後一路緩慢往南壓,
20日白天到21日白天之間由北往南移動,21日晚間鋒面將會來到南部上空,
22日下半天起因為華北有另一個短波槽東移,
將會誘發鋒面上在廣東東部到福建沿海一帶有中尺度低壓發展,
低壓東側的南風帶動鋒面位置由南往北移動,
之後中尺度低壓將東移通過台灣上空,來到琉球群島附近並且明顯加深,
低壓環流西側北風加大,因此到了23日晚間到24日白天之間鋒面又會往南移動,
甚至有機會一直南壓到巴士海峽上空。
在這段鋒面南北擺動的期間,各地都要嚴防鋒面上發展出旺盛對流帶來的大雨或豪雨,
尤其是在22日下半天到23日上半天之間,中尺度低壓通過台灣上空並且逐漸加強的過程,
可能會是雨勢最大的一段時間,
目前預估低壓中心可能通過北台灣,但是低壓環流南側將伴隨強勁的西南暖濕氣流,
跟中央山脈的交角較為明顯,因此要特別提醒中南部的朋友注意這一段時間的降雨狀況。
如果周日(24日)鋒面可以往南壓到巴士海峽的話,降雨的狀況就會較為緩和下來,
但是否如此,還有待觀察。
整個來看,本周從周三開始天氣型態將會出現明顯的大翻轉,
從這一陣子晴朗穩定炎熱的天氣轉變成多雨,而且容易出現大雨或豪雨的天氣型態,
看起來好像很有壓力,但是這波雨勢可望有效的緩解旱象,
如果能做好防範的話,也能避免災害的發生,
只要事前準備充足,就可以從容面對這波降雨的威脅。
以上簡單供參考囉~
p.s 多圖,請至臉書參考,感恩~
--
偏南風暖空氣明顯、高壓沉降增溫再加上陽光直射,各地高溫觀測紛紛達到32~35度以上,
最高溫出現在台東大武,高達36.6度,這主要是受到南風過山下沉增溫所導致,
台北也達到35.4度,嘉義35.0度,都是非常炎熱的氣溫,
走在戶外的感受就跟火爐一樣,實際體感溫度可能超過40度以上,
如果沒有做好防曬,可能不用15分鐘就會曬傷,而且非常容易中暑。
預估這樣晴朗炎熱的天氣大約就只持續到今天,
明天周二(19日)開始太平洋高壓逐漸減弱東退,北邊的鋒面系統跟著南壓靠近台灣,
明天白天受到鋒面靠近的影響,台灣附近的西南風將會顯著加強,
首先在迎風面的中部以南地區沿海可能會出現局部性的短暫陣雨,
中北部山區午後熱對流發展的狀況也可能會增多,
沿海及高地有出現西南到偏南風強陣風的機會,
緊接著明晚起鋒面到達台灣,預估將展開一波為期至少4~5天之久的明顯降雨。
由目前的中低層氣流圖觀察顯示,在
印度洋一帶已經逐漸有象徵西南夏季風的跨赤道索馬里急流建立,
急流前端一直延伸到孟加拉灣。
這條急流代表水氣的輸送帶,就像大氣中的長河一般,
預估隨著台灣附近的太平洋高壓明天開始向東退後,
北邊的鋒面南下,急流前端可望進一步向東延伸,
經過中南半島進入南海,成為今年第一波正式侵入南海的西南夏季風,
並且匯入鋒面南側,讓這波鋒面成為第一波正式的梅雨鋒面。
梅雨鋒面跟一般的鋒面不同的特徵就在於它跟西南夏季風配合,
鋒前的水氣充沛,空氣暖濕,大氣不穩定度高,
只要鋒面的動力舉升機制稍加擾動就容易產生旺盛的對流雲團,
造成大雨或豪雨的機會相當大,
預估明晚起鋒面逐漸抵達,一連幾天的時間在台灣附近都很容易出現旺盛對流系統,
只要對流正好在陸地上發展,或是在近海生長後移入,就可能會帶來豪大雨,
因此一直到周日(24日)前都要請大家隨時注意最新的雲圖、雷達圖或是天氣方面的資訊,
並且提早做好防範豪大雨來襲的準備。
鋒面影響的時間看起來很長,如果看比較詳細的變化,
在這段期間鋒面仍會有南北擺動的狀況出現。
預估鋒面在明天深夜靠近,後天周三(20日)清晨左右抵達北台灣,然後一路緩慢往南壓,
20日白天到21日白天之間由北往南移動,21日晚間鋒面將會來到南部上空,
22日下半天起因為華北有另一個短波槽東移,
將會誘發鋒面上在廣東東部到福建沿海一帶有中尺度低壓發展,
低壓東側的南風帶動鋒面位置由南往北移動,
之後中尺度低壓將東移通過台灣上空,來到琉球群島附近並且明顯加深,
低壓環流西側北風加大,因此到了23日晚間到24日白天之間鋒面又會往南移動,
甚至有機會一直南壓到巴士海峽上空。
在這段鋒面南北擺動的期間,各地都要嚴防鋒面上發展出旺盛對流帶來的大雨或豪雨,
尤其是在22日下半天到23日上半天之間,中尺度低壓通過台灣上空並且逐漸加強的過程,
可能會是雨勢最大的一段時間,
目前預估低壓中心可能通過北台灣,但是低壓環流南側將伴隨強勁的西南暖濕氣流,
跟中央山脈的交角較為明顯,因此要特別提醒中南部的朋友注意這一段時間的降雨狀況。
如果周日(24日)鋒面可以往南壓到巴士海峽的話,降雨的狀況就會較為緩和下來,
但是否如此,還有待觀察。
整個來看,本周從周三開始天氣型態將會出現明顯的大翻轉,
從這一陣子晴朗穩定炎熱的天氣轉變成多雨,而且容易出現大雨或豪雨的天氣型態,
看起來好像很有壓力,但是這波雨勢可望有效的緩解旱象,
如果能做好防範的話,也能避免災害的發生,
只要事前準備充足,就可以從容面對這波降雨的威脅。
以上簡單供參考囉~
p.s 多圖,請至臉書參考,感恩~
--
Tags:
颱風
All Comments

By Bennie
at 2015-05-19T00:28
at 2015-05-19T00:28

By Jake
at 2015-05-19T07:50
at 2015-05-19T07:50

By Zanna
at 2015-05-19T15:11
at 2015-05-19T15:11

By Madame
at 2015-05-19T22:33
at 2015-05-19T22:33

By Poppy
at 2015-05-20T05:55
at 2015-05-20T05:55

By Puput
at 2015-05-20T13:17
at 2015-05-20T13:17

By Rebecca
at 2015-05-20T20:39
at 2015-05-20T20:39

By Elizabeth
at 2015-05-21T04:01
at 2015-05-21T04:01

By Tracy
at 2015-05-21T11:23
at 2015-05-21T11:23

By Iris
at 2015-05-21T18:45
at 2015-05-21T18:45

By Queena
at 2015-05-22T02:07
at 2015-05-22T02:07

By Delia
at 2015-05-22T09:29
at 2015-05-22T09:29

By John
at 2015-05-22T16:51
at 2015-05-22T16:51

By Tristan Cohan
at 2015-05-23T00:13
at 2015-05-23T00:13

By Olivia
at 2015-05-23T07:35
at 2015-05-23T07:35

By Barb Cronin
at 2015-05-23T14:57
at 2015-05-23T14:57

By George
at 2015-05-23T22:19
at 2015-05-23T22:19

By Thomas
at 2015-05-24T05:40
at 2015-05-24T05:40

By Isla
at 2015-05-24T13:02
at 2015-05-24T13:02

By Yedda
at 2015-05-24T20:24
at 2015-05-24T20:24

By Yedda
at 2015-05-25T03:46
at 2015-05-25T03:46

By Caroline
at 2015-05-25T11:08
at 2015-05-25T11:08

By Jack
at 2015-05-25T18:30
at 2015-05-25T18:30

By Ophelia
at 2015-05-26T01:52
at 2015-05-26T01:52

By William
at 2015-05-26T09:14
at 2015-05-26T09:14

By Emily
at 2015-05-26T16:36
at 2015-05-26T16:36

By Kumar
at 2015-05-26T23:58
at 2015-05-26T23:58

By Catherine
at 2015-05-27T07:20
at 2015-05-27T07:20

By Emma
at 2015-05-27T14:42
at 2015-05-27T14:42

By David
at 2015-05-27T22:04
at 2015-05-27T22:04

By Carol
at 2015-05-28T05:26
at 2015-05-28T05:26

By Margaret
at 2015-05-28T12:48
at 2015-05-28T12:48

By Gilbert
at 2015-05-28T20:09
at 2015-05-28T20:09

By Megan
at 2015-05-29T03:31
at 2015-05-29T03:31

By Lucy
at 2015-05-29T10:53
at 2015-05-29T10:53

By Eden
at 2015-05-29T18:15
at 2015-05-29T18:15

By Delia
at 2015-05-30T01:37
at 2015-05-30T01:37

By Bethany
at 2015-05-30T08:59
at 2015-05-30T08:59

By Jack
at 2015-05-30T16:21
at 2015-05-30T16:21

By Elvira
at 2015-05-30T23:43
at 2015-05-30T23:43

By Quintina
at 2015-05-31T07:05
at 2015-05-31T07:05

By Christine
at 2015-05-31T14:27
at 2015-05-31T14:27

By Audriana
at 2015-05-31T21:49
at 2015-05-31T21:49

By Jacky
at 2015-06-01T05:11
at 2015-06-01T05:11

By Hardy
at 2015-06-01T12:33
at 2015-06-01T12:33

By Rae
at 2015-06-01T19:55
at 2015-06-01T19:55

By Victoria
at 2015-06-02T03:17
at 2015-06-02T03:17

By Damian
at 2015-06-02T10:38
at 2015-06-02T10:38

By Elvira
at 2015-06-02T18:00
at 2015-06-02T18:00

By Sierra Rose
at 2015-06-03T01:22
at 2015-06-03T01:22

By Daniel
at 2015-06-03T08:44
at 2015-06-03T08:44

By Bennie
at 2015-06-03T16:06
at 2015-06-03T16:06

By Wallis
at 2015-06-03T23:28
at 2015-06-03T23:28

By Harry
at 2015-06-04T06:50
at 2015-06-04T06:50

By Isla
at 2015-06-04T14:12
at 2015-06-04T14:12

By Eartha
at 2015-06-04T21:34
at 2015-06-04T21:34

By Odelette
at 2015-06-05T04:56
at 2015-06-05T04:56

By Eden
at 2015-06-05T12:18
at 2015-06-05T12:18

By Delia
at 2015-06-05T19:40
at 2015-06-05T19:40

By Charlotte
at 2015-06-06T03:02
at 2015-06-06T03:02

By Faithe
at 2015-06-06T10:24
at 2015-06-06T10:24

By Megan
at 2015-06-06T17:46
at 2015-06-06T17:46

By Hardy
at 2015-06-07T01:07
at 2015-06-07T01:07

By Zora
at 2015-06-07T08:29
at 2015-06-07T08:29

By Una
at 2015-06-07T15:51
at 2015-06-07T15:51

By Bennie
at 2015-06-07T23:13
at 2015-06-07T23:13

By Christine
at 2015-06-08T06:35
at 2015-06-08T06:35

By Emily
at 2015-06-08T13:57
at 2015-06-08T13:57

By Barb Cronin
at 2015-06-08T21:19
at 2015-06-08T21:19

By John
at 2015-06-09T04:41
at 2015-06-09T04:41

By Robert
at 2015-06-09T12:03
at 2015-06-09T12:03

By Barb Cronin
at 2015-06-09T19:25
at 2015-06-09T19:25

By Valerie
at 2015-06-10T02:47
at 2015-06-10T02:47

By Robert
at 2015-06-10T10:09
at 2015-06-10T10:09

By Hedy
at 2015-06-10T17:31
at 2015-06-10T17:31

By Gary
at 2015-06-11T00:53
at 2015-06-11T00:53

By Elvira
at 2015-06-11T08:15
at 2015-06-11T08:15

By Kristin
at 2015-06-11T15:36
at 2015-06-11T15:36

By Eden
at 2015-06-11T22:58
at 2015-06-11T22:58

By Joe
at 2015-06-12T06:20
at 2015-06-12T06:20

By Anonymous
at 2015-06-12T13:42
at 2015-06-12T13:42

By Olive
at 2015-06-12T21:04
at 2015-06-12T21:04

By Rosalind
at 2015-06-13T04:26
at 2015-06-13T04:26

By Charlie
at 2015-06-13T11:48
at 2015-06-13T11:48

By Isla
at 2015-06-13T19:10
at 2015-06-13T19:10

By Heather
at 2015-06-14T02:32
at 2015-06-14T02:32

By Erin
at 2015-06-14T09:54
at 2015-06-14T09:54

By Ula
at 2015-06-14T17:16
at 2015-06-14T17:16

By Daph Bay
at 2015-06-15T00:38
at 2015-06-15T00:38

By Jessica
at 2015-06-15T08:00
at 2015-06-15T08:00

By Puput
at 2015-06-15T15:22
at 2015-06-15T15:22

By Hardy
at 2015-06-15T22:44
at 2015-06-15T22:44

By Margaret
at 2015-06-16T06:05
at 2015-06-16T06:05

By Bennie
at 2015-06-16T13:27
at 2015-06-16T13:27

By Agatha
at 2015-06-16T20:49
at 2015-06-16T20:49

By Valerie
at 2015-06-17T04:11
at 2015-06-17T04:11

By Carolina Franco
at 2015-06-17T11:33
at 2015-06-17T11:33

By Frederic
at 2015-06-17T18:55
at 2015-06-17T18:55

By Frederic
at 2015-06-18T02:17
at 2015-06-18T02:17

By Todd Johnson
at 2015-06-18T09:39
at 2015-06-18T09:39

By Jacob
at 2015-06-18T17:01
at 2015-06-18T17:01

By Jacob
at 2015-06-19T00:23
at 2015-06-19T00:23

By Belly
at 2015-06-19T07:45
at 2015-06-19T07:45

By Sandy
at 2015-06-19T15:07
at 2015-06-19T15:07

By Belly
at 2015-06-19T22:29
at 2015-06-19T22:29

By Margaret
at 2015-06-20T05:51
at 2015-06-20T05:51

By Irma
at 2015-06-20T13:13
at 2015-06-20T13:13

By Wallis
at 2015-06-20T20:34
at 2015-06-20T20:34

By Emily
at 2015-06-21T03:56
at 2015-06-21T03:56

By Michael
at 2015-06-21T11:18
at 2015-06-21T11:18

By Oscar
at 2015-06-21T18:40
at 2015-06-21T18:40

By Hamiltion
at 2015-06-22T02:02
at 2015-06-22T02:02

By Hedda
at 2015-06-22T09:24
at 2015-06-22T09:24

By Elizabeth
at 2015-06-22T16:46
at 2015-06-22T16:46

By Heather
at 2015-06-23T00:08
at 2015-06-23T00:08

By Hedy
at 2015-06-23T07:30
at 2015-06-23T07:30

By Anthony
at 2015-06-23T14:52
at 2015-06-23T14:52

By Skylar DavisLinda
at 2015-06-23T22:14
at 2015-06-23T22:14

By Brianna
at 2015-06-24T05:36
at 2015-06-24T05:36

By Anthony
at 2015-06-24T12:58
at 2015-06-24T12:58

By Queena
at 2015-06-24T20:20
at 2015-06-24T20:20

By Mason
at 2015-06-25T03:42
at 2015-06-25T03:42

By Lily
at 2015-06-25T11:03
at 2015-06-25T11:03

By Madame
at 2015-06-25T18:25
at 2015-06-25T18:25

By William
at 2015-06-26T01:47
at 2015-06-26T01:47

By Edith
at 2015-06-26T09:09
at 2015-06-26T09:09

By Olga
at 2015-06-26T16:31
at 2015-06-26T16:31

By Blanche
at 2015-06-26T23:53
at 2015-06-26T23:53

By Dinah
at 2015-06-27T07:15
at 2015-06-27T07:15

By Liam
at 2015-06-27T14:37
at 2015-06-27T14:37

By Ursula
at 2015-06-27T21:59
at 2015-06-27T21:59

By Wallis
at 2015-06-28T05:21
at 2015-06-28T05:21

By Belly
at 2015-06-28T12:43
at 2015-06-28T12:43

By Aaliyah
at 2015-06-28T20:05
at 2015-06-28T20:05

By Jessica
at 2015-06-29T03:27
at 2015-06-29T03:27

By Edith
at 2015-06-29T10:49
at 2015-06-29T10:49

By Carol
at 2015-06-29T18:11
at 2015-06-29T18:11

By William
at 2015-06-30T01:32
at 2015-06-30T01:32

By Irma
at 2015-06-30T08:54
at 2015-06-30T08:54

By Genevieve
at 2015-06-30T16:16
at 2015-06-30T16:16
Related Posts
房間溼度降低是覺得變熱還變涼?

By Elma
at 2015-05-17T12:21
at 2015-05-17T12:21
西太 Dolphin Cat.5 140kts

By Quanna
at 2015-05-17T11:24
at 2015-05-17T11:24
不平靜的太平洋之春 連續三個5級超颱?

By Emily
at 2015-05-17T09:48
at 2015-05-17T09:48
Re: 天氣小觀:模式預報,一周後期,西南季風爆發

By Hedwig
at 2015-05-16T19:47
at 2015-05-16T19:47
鋒面20日到 不只解渴恐還釀災

By Gilbert
at 2015-05-16T16:15
at 2015-05-16T16:15