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Active Tropical Cyclone(s) 正活躍之熱帶氣旋

Current TC Map 即時氣旋資訊Current TC information

Tropical Cyclone Report 熱帶氣旋報告 [Our partner site's TC report 按此看友站的氣旋報告]

1. 24W (MAYSAK 美莎克)

Name of System 系統名稱 TD MAYSAK 熱帶低氣壓 美莎克

Bulletin Number 發佈編號 #4 FINAL BULLETIN 最後發佈
Time of Report 報告時間 2008/11/10, 22:30 HKT (14:30 UTC)
Time of Observation 觀測時間 2008/11/10, 20:00 HKT (12:00 UTC)
Position 位置 13.3 N, 117.1 E
Maximum Gust 最高陣風 35 knots 節 (65 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 25 knots 節 (45 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 20 knots 節 (35 km/h 公里每小時)
Pressure 氣壓 1003 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 SSE 東南偏南 at 15 knots 節 (27 km/h 公里每小時)
Area(s) affected 受影響地區 Central South China Sea 南海中部

Forecast Track 預測路徑圖

Overview 總覽
Other images 其他圖像
JTWC Track 聯合颱風警報中心路徑圖
JMA Track 日本氣象聽路徑圖
HKO Satellite 香港天文台衛星圖

MAYSAK turned south and weakened further into a tropical depression. At 20 HKT, MAYSAK was centred about 450 km (240 NM) WSW of Manila.

美莎克轉向南移動並減弱成熱帶低氣壓。在 20 HKT,美莎克集結在馬尼拉西南偏西約 450 公里 (240 海里)。

Movement Analysis 路徑分析

MAYSAK will move south within a northerly airstream in the next 12 hours.

美莎克將受低層偏北氣流影響而向南移動。

Intensity Analysis 強度分析

Current T-number: T2.0/2.5/W1.0/24 HRS
Situated in unfavourable environment, MAYSAK will dissipate within 12 hours.

現時的 T 號碼: T2.0/2.5/W1.0/24 HRS
處於惡劣環境的美莎克將於 12 小時內消散

Effects on Hong Kong 對香港的影響

No threat to Hong Kong is expected within the next 72 hours.

美莎克於未來的 72 小時將不會對香港構成任何影響。

Next Update 下次更新

This is the final bulletin on MAYSAK.

這是本站對美莎克的最後一次發佈。

Probabilities of TC Signals from HKO 香港天文台(已)發出熱帶氣旋警告信號的機率
Not Applicable 不適用



Past Bulletins (click on the bulletin no. for the contents) 過往報告 (請按發佈編號顯示內容)

+24W (MAYSAK 美莎克) Bulletin 發佈 #3 (2008/11/09, 22:30 HKT)

Name of System 系統名稱 TS MAYSAK 熱帶風暴 美莎克

Bulletin Number 發佈編號 #3
Time of Report 報告時間 2008/11/09, 22:30 HKT (14:30 UTC)
Time of Observation 觀測時間 2008/11/09, 20:00 HKT (12:00 UTC)
Position 位置 17.5 N, 116.0 E
Maximum Gust 最高陣風 55 knots 節 (100 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 45 knots 節 (85 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 40 knots 節 (75 km/h 公里每小時)
Pressure 氣壓 990 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 SSW 西南偏南 at 7 knots 節 (12 km/h 公里每小時)
Area(s) affected 受影響地區 Central South China Sea 南海中部

Forecast Track 預測路徑圖

Overview 總覽
Other images 其他圖像
JTWC Track 聯合颱風警報中心路徑圖
JMA Track 日本氣象聽路徑圖
HKO Satellite 香港天文台衛星圖

MAYSAK weakened considerably today. At 20 HKT, MAYSAK was centred about 570 km (310 NM) SSE of Hong Kong.

美莎克今天減弱頗快,現為一熱帶風暴。在 20 HKT,美莎克集結在香港東南偏南約 570 公里 (310 海里)。

Movement Analysis 路徑分析

MAYSAK is now being affected by the northeast monsoon. As the storm weakens further it will respond more to low level steering forces (i.e. the monsoon) which will force the storm to drift to the S or SW.

美莎克現正受東北季候風的影響,並逐漸減弱。美莎克將會繼續受到該東北季候風的影響而向偏南方向移動。

Intensity Analysis 強度分析

Current T-number: T3.0/3.5/W0.5/24 HRS
After benefiting from improved outflow, MAYSAK suffered from high wind shear and drier air masses brought by the northeast monsoon. MAYSAK will continue to weaken until dissipation near t+48.

現時的 T 號碼: T3.0/3.5/W0.5/24 HRS
甚高的垂直風切變和東北季候風的入侵令美莎克逐步減弱預料美莎克將繼續在不利環境下減弱,並於 48 小時內消散

Effects on Hong Kong 對香港的影響

No threat to Hong Kong is expected within the next 72 hours.

美莎克於未來的 72 小時將不會對香港構成任何影響。

Next Update 下次更新

23 HKT, 2008/11/10 (or earlier 或更早)

Probabilities of TC Signals from HKO 香港天文台(已)發出熱帶氣旋警告信號的機率
Not Applicable 不適用

+24W (MAYSAK 美莎克) Bulletin 發佈 #2 (2008/11/08, 21:45 HKT)

Name of System 系統名稱 STS MAYSAK 強烈熱帶風暴 美莎克

Bulletin Number 發佈編號 #2
Time of Report 報告時間 2008/11/08, 21:45 HKT (13:45 UTC)
Time of Observation 觀測時間 2008/11/08, 20:00 HKT (12:00 UTC)
Position 位置 17.0 N, 115.0 E
Maximum Gust 最高陣風 70 knots 節 (130 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 55 knots 節 (100 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 50 knots 節 (95 km/h 公里每小時)
Pressure 氣壓 985 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 N 北 at 10 knots 節 (19 km/h 公里每小時)
Area(s) affected 受影響地區 Central South China Sea 南海中部

Forecast Track 預測路徑圖

Overview 總覽
Other images 其他圖像
JTWC Track 聯合颱風警報中心路徑圖
JMA Track 日本氣象聽路徑圖
HKO Satellite 香港天文台衛星圖

MAYSAK has turned to a northerly track since this afternoon and intensified into a severe tropical storm. At 20 HKT, MAYSAK was centred about 600 km (320 NM) S of Hong Kong.

美莎克今天下午轉向偏北移動,並增強為一股強烈熱帶風暴。在 20 HKT,美莎克集結在香港以南約 600 公里 (320 海里)。

Movement Analysis 路徑分析

MAYSAK will continue to move north along the western periphery of the subtropical ridge in the short term. However, as another ridge is expected to develop to the west of MAYSAK, it is forecast to slow down gradually in the next 24 hours. The strong surge of northeast monsoon will interact with the system in two days' time and as MAYSAK weakens the monsoon will have stronger influence on MAYSAK's track later in the forecast period.

美莎克東面的副熱帶高壓脊將引領該系統於短期內向北移動。預料另一高壓場會在美莎克西面建立並令其減速。正影響華南沿岸的東北季候風將繼續南移,美莎克將受該東北季候風的影響而在後期改向西南偏南方向移動。

Intensity Analysis 強度分析

Current T-number: T3.5/3.5/D1.0/24 HRS
The good outflow associated to the arriving trough is causing MAYSAK to intensify, and this trend is likely to continue in the next 12 to 24 hours. Shear will become increasingly unfavorable (in excess of 30 knots) as MAYSAK moves north, and the arrival of the northeast monsoon will intrude cooler and drier air into the system. Its structure is expected to be severely damaged in 48 to 72 hours' time and it is expected to dissipate over water between t+96 and t+120.

現時的 T 號碼: T3.5/3.5/D1.0/24 HRS
西風槽前良好的輻散正令美莎克增強;此趨勢預料會在未來 12 至 24 小時持續東北季候風的到來將會引進更冷更乾的空氣,並嚴重破壞美莎克的組織因此,預料美莎克將於約 48 小時後開始急速減弱,並於 120 小時內於海上消散

Effects on Hong Kong 對香港的影響

No threat to Hong Kong is expected within the next 72 hours.

美莎克於未來的 72 小時將不會對香港構成任何影響。

Next Update 下次更新

23 HKT, 2008/11/09 (or earlier 或更早)

Probabilities of TC Signals from HKO 香港天文台(已)發出熱帶氣旋警告信號的機率
Signal 信號
t+12
t+24
t+36
t+48
t+72
Standby 戒備 #1
Low 低
Low 低
Low 低
Low 低
Strong Wind 強風 #3
Gale/Storm 烈風或暴風 #8
G/S Increasing 烈風或暴風增強 #9
Hurricane 颶風 #10

Notes 註:
1) "Signal" represents having issued that signal or above. "信號" 指該信號或更高
2) "Low" = Probability from 5 to 20 per cent; "Medium" = 20 to 50%; "High" = 50 to 80%; "V High" = 80% or above.
"低" = 5% - 20% 的概率; "中等" = 20 - 50%; "高" = 50 - 80%; "極高" = 80% 或以上

+24W (MAYSAK 美莎克) Bulletin 發佈 #1 (2008/11/07, 22:30 HKT)

Name of System 系統名稱 TS MAYSAK 熱帶風暴 美莎克

Bulletin Number 發佈編號 #1
Time of Report 報告時間 2008/11/07, 22:30 HKT (14:30 UTC)
Time of Observation 觀測時間 2008/11/07, 20:00 HKT (12:00 UTC)
Position 位置 14.1 N, 116.5 E
Maximum Gust 最高陣風 50 knots 節 (95 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 40 knots 節 (75 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 35 knots 節 (65 km/h 公里每小時)
Pressure 氣壓 998 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 NW 西北 at 9 knots 節 (16 km/h 公里每小時)
Area(s) affected 受影響地區 Central South China Sea 南海中部

Forecast Track 預測路徑圖

Overview 總覽
Other images 其他圖像
JTWC Track 聯合颱風警報中心路徑圖
JMA Track 日本氣象聽路徑圖
HKO Satellite 香港天文台衛星圖

After passing the Philippines, disturbance 93W intensified into a tropical depression (24W) this morning and further into a tropical storm in the afternoon. The name MAYSAK was assigned to this tropical system. At 20 HKT, MAYSAK was centred about 950 km (510 NM) SSE of Hong Kong.

熱帶擾動 93W 於橫過菲律賓後增強為熱帶低氣壓 (24W),並在下午增強為熱帶風暴,被日本氣象廳命名為美莎克。在 20 HKT,美莎克集結在香港東南偏南約 950 公里 (510 海里)。

Movement Analysis 路徑分析

The subtropical ridge northeast of the system is gradually eroded by a passing mid-latitude trough. This would lead to weaker steering force which will make MAYSAK decelerate in a day's time while travelling NW. A surge of northeast monsoon will reach the South China coastal areas soon and will further progress southward. It is expected to interact with MAYSAK and guide it to the SW after two days.

一條西風槽正令在美莎克東北部的副熱帶高壓脊東退。預料美莎克會繼續向西北移動,但由於駛流力度逐漸減弱,它的前進速度將逐漸減慢。一股較為強勁的東北季候風將於 6 至 12 小時後到達華南沿岸並繼續南移,美莎克將受該東北季候風的影響而在後期改向西南方向移動。

Intensity Analysis 強度分析

Current T-number: T2.5/2.5/INT OBS
High ocean heat content and good outflow channel should allow further intensification in the next 24 hours. Shear will become increasingly unfavorable as MAYSAK moves north, and the arrival of the northeast monsoon will intrude cooler and drier air into the system. Its structure is expected to be severely damaged in 72 to 96 hours' time and it is expected to dissipate over water between t+96 and t+120.

現時的 T 號碼: T2.5/2.5/INT OBS
美莎克將於溫暖的海水和良好輻散的環境下於未來 24 小時繼續增強東北季候風的到來將會引進更冷更乾的空氣,並嚴重破壞美莎克的組織因此,預料美莎克將於約 72 小時後開始急速減弱,並於 120 小時內於海上消散

Effects on Hong Kong 對香港的影響

No threat to Hong Kong is expected within the next 72 hours.

美莎克於未來的 72 小時將不會對香港構成任何影響。

Next Update 下次更新

23 HKT, 2008/11/08 (or earlier 或更早)

Probabilities of TC Signals from HKO 香港天文台(已)發出熱帶氣旋警告信號的機率
Signal 信號
t+12
t+24
t+36
t+48
t+72
Standby 戒備 #1
Low 低
Low 低
Low 低
Strong Wind 強風 #3
Gale/Storm 烈風或暴風 #8
G/S Increasing 烈風或暴風增強 #9
Hurricane 颶風 #10

Notes 註:
1) "Signal" represents having issued that signal or above. "信號" 指該信號或更高
2) "Low" = Probability from 5 to 20 per cent; "Medium" = 20 to 50%; "High" = 50 to 80%; "V High" = 80% or above.
"低" = 5% - 20% 的概率; "中等" = 20 - 50%; "高" = 50 - 80%; "極高" = 80% 或以上

Track Data from HKWW 本站之路徑資料

YYMMDDZZ Lat Long Wind
08110700 131N1185E 030
08110706 136N1172E 035
08110712 141N1165E 040
08110718 151N1159E 040
08110800 155N1157E 045
08110806 160N1152E 050
08110812 170N1150E 055
08110818 175N1155E 055
08110900 180N1160E 055
08110906 181N1163E 050
08110912 175N1160E 045
08110918 164N1161E 040
08111000 159N1165E 035
08111006 147N1167E 030
08111012 133N1171E 025

Last Accessed 最近訪問日期: Thu Oct 17 2019 00:38:47 HKT
Last Modified 最近修訂日期: Tue Dec 24 2013

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