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Active Tropical Cyclone(s) 正活躍之熱帶氣旋

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Tropical Cyclone Report 熱帶氣旋報告

1. 13W (WIPHA 韋帕)

Name of System 系統名稱 STS WIPHA 強烈熱帶風暴 韋帕
Bulletin Number 發佈編號 #5 FINAL BULLETIN 最後發佈
Time of Report 報告時間 2007/09/19, 18:00 HKT (10:00 UTC)
Time of Observation 觀測時間 2007/09/19, 14 HKT (06 UTC)
Position 位置 28.9 N, 118.9 E
1-min. Average Wind Speed 1分鐘平均風速 50 knots 節 (Gusts 陣風: 65 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 50 knots 節 (Gusts 陣風: 70 knots 節)
Pressure (JMA) 氣壓 (日本氣象廳) 985 hPa
Movement 移向和移速 335 deg 度 (NNW 西北偏北), 12 knots 節
Area(s) that will be affected 受影響地區 E China 中國東部

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

WIPHA moved NW / NNW in the past 24 hours and made landfall in southern Zhejiang earlier today. It weakened into a severe tropical storm during the same period. At 06 UTC, WIPHA was centred 360 km (190 NM) SW of Shanghai.

韋帕在過去 24 小時向西北至西北偏北方向移動,於凌晨登陸浙江南部並減弱為一強烈熱帶風暴。於 06 UTC,韋帕集結於上海西南約 360 公里 (190 海里)。

Movement Analysis 路徑分析

It is expected that WIPHA will travel northwards along the western periphery of the steering subtropical ridge.

韋帕將在餘下時間沿副熱帶高壓脊之西部向北移動。

Intensity Analysis 強度分析

As of 06 UTC, WIPHA's convection wrapped 0.6 on the log10 spiral which yielded a T-number of 3.0 or equivalently carried 45-50 knots wind (tropical storm to severe tropical storm). WIPHA will weaken as it traverses the terrain of eastern China and will transit into an extratropical cyclone in the coming 24 hours.

在 06 UTC韋帕的T號碼為3.0即 45-50 節的風速 (熱帶風暴至強烈熱帶風暴)韋帕登陸後將繼續減弱並於 24 小時後轉化為溫帶氣旋

Effects on Hong Kong 對香港的影響

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

韋帕於未來的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 WIPHA.

這是本站對韋的最後一次發佈


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

+13W (WIPHA 韋帕) Bulletin 發佈 #4 (2007/09/18, 17:30 HKT)

Name of System 系統名稱 TY (CAT. 4) WIPHA 四級颱風 韋帕
Bulletin Number 發佈編號 #4
Time of Report 報告時間 2007/09/18, 17:30 HKT (09:30 UTC)
Time of Observation 觀測時間 2007/09/18, 14 HKT (06 UTC)
Position 位置 25.6 N, 122.6 E
1-min. Average Wind Speed 1分鐘平均風速 130 knots 節 (Gusts 陣風: 160 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 100 knots 節 (Gusts 陣風: 140 knots 節)
Pressure (JMA) 氣壓 (日本氣象廳) 930 hPa
Movement 移向和移速 325 deg 度 (NW 西北), 15 knots 節
Area(s) that will be affected 受影響地區 N Taiwan, E China 台灣北部及中國東部

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

WIPHA moved WNW/NW in the past 24 hours and intensified further into a category 4 typhoon. At 06 UTC, WIPHA was centred 130 km (70 NM) ENE of Taipei.

韋帕在過去 24 小時向西北偏西至西北方向移動,並繼續增強為一股四級颱風。於 06 UTC,韋帕集結於台北東北偏東約 130 公里 (70 海里)。

Movement Analysis 路徑分析

An extending subtropical ridge is anchored NE of WIPHA. With the ridge as the primary steering force, it is expected that WIPHA will travel NW to NNW along the southwestern periphery of the ridge in the next 24 hours. At that time it is forecast that WIPHA will be linked to an arriving mid-latitude trough and will travel N along the western periphery of the subtropical ridge. Later in the forecast period, WIPHA will be affected by the westerlies to turn to a NNE/NE direction.

一個稍為西伸的副熱帶高壓脊正處於韋帕東北部,韋帕將於未來 24 小時沿該脊之西南部向西北偏西至西北移動。24 小時以後,韋帕被西風槽牽引,沿副熱帶高壓脊之西部向北移動。其後受西風帶的影響,韋帕將轉向東北偏北至東北方移動。

Intensity Analysis 強度分析

As of 06 UTC, WIPHA's T-number was 6.5 or equivalently carried 130 knots wind (typhoon category 4). WIPHA was previously subjected to enhanced poleward outflow that enabled it to intensify at greater than climatological rate. It is expected that WIPHA will remain strength before making landfall near Shanghai, after which land interaction, lower sea surface temperatures and higher vertical wind shear will cause WIPHA's strength to decrease.

在 06 UTC韋帕的T號碼為6.5即 130 節的風速 (四級颱風)韋帕的極向輻散通道繼續轉好,有利它在登陸上海附近前維持強度。預料韋帕將於登陸後受地形、較冷的海水及強烈垂直風切變的影響而減弱

Effects on Hong Kong 對香港的影響

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

韋帕於未來的72小時將不會對香港構成任何影響

Next Update 下次更新

19 HKT, 2007/09/19 (or earlier 或更早)

+13W (WIPHA 韋帕) Bulletin 發佈 #3 (2007/09/17, 18:00 HKT)

Name of System 系統名稱 TY (CAT. 2) WIPHA 二級颱風 韋帕
Bulletin Number 發佈編號 #3
Time of Report 報告時間 2007/09/17, 18:00 HKT (10:00 UTC)
Time of Observation 觀測時間 2007/09/17, 14 HKT (06 UTC)
Position 位置 22.9 N, 126.7 E
1-min. Average Wind Speed 1分鐘平均風速 90 knots 節 (Gusts 陣風: 110 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 75 knots 節 (Gusts 陣風: 105 knots 節)
Pressure (JMA) 氣壓 (日本氣象廳) 960 hPa
Movement 移向和移速 300 deg 度 (WNW 西北偏西), 10 knots 節
Area(s) that will be affected 受影響地區 NE Taiwan, E China 台灣東北部及中國東部

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

WIPHA moved WNW/NW in the past 24 hours and intensified rapidly into a category 2 typhoon. At 06 UTC, WIPHA was centred 580 km (310 NM) ESE of Taipei.

韋帕在過去 24 小時向西北偏西至西北方向移動,並增強為一股二級颱風。於 06 UTC,韋帕集結於台北東南偏東約 580 公里 (310 海里)。

Movement Analysis 路徑分析

An extending subtropical ridge is anchored NE of WIPHA. With the ridge as the primary steering force, it is expected that WIPHA will travel WNW turning to NW/NNW along the southwestern periphery of the ridge in the next 36 hours. At that time it is forecast that WIPHA will be linked to an arriving mid-latitude trough and will travel N along the western periphery of the subtropical ridge. Later in the forecast period, WIPHA will be affected by the westerlies to turn to a NNE/NE direction.

一個稍為西伸的副熱帶高壓脊正處於韋帕東北部,韋帕將於未來 36 小時沿該脊之西南部向西北偏西至西北移動。36 小時以後,韋帕被西風槽牽引,沿副熱帶高壓脊之西部向北移動。其後受西風帶的影響,韋帕將轉向東北偏北至東北方移動。

Intensity Analysis 強度分析

As of 06 UTC, WIPHA's convection wrapped 1.1 on the log10 spiral which yielded a T-number of 5.0 or equivalently 90 knots wind (typhoon category 2). WIPHA is now subjected to enhanced poleward outflow that enables it to intensify at greater than climatological rate. It is expected that WIPHA will intensify before making landfall near Shanghai, after which land interaction, lower sea surface temperatures and higher vertical wind shear will cause WIPHA's strength to decrease.

在 06 UTC韋帕的T號碼為5.0即 90 節的風速 (二級颱風)韋帕的極向輻散通道繼續轉好,有利它在登陸上海附近前增強。預料韋帕的強度將於 36 小時後到達巔峰其後韋帕將會受地形、較冷的海水及強烈垂直風切變的影響而減弱

Effects on Hong Kong 對香港的影響

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

韋帕於未來的72小時將不會對香港構成任何影響

Next Update 下次更新

19 HKT, 2007/09/18 (or earlier 或更早)

+13W (WIPHA 韋帕) Bulletin 發佈 #2 (2007/09/16, 17:30 HKT)

Name of System 系統名稱 TS WIPHA 熱帶風暴 韋帕
Bulletin Number 發佈編號 #2
Time of Report 報告時間 2007/09/16, 17:30 HKT (09:30 UTC)
Time of Observation 觀測時間 2007/09/16, 14 HKT (06 UTC)
Position 位置 20.4 N, 130.7 E
1-min. Average Wind Speed 1分鐘平均風速 45 knots 節 (Gusts 陣風: 55 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 40 knots 節 (Gusts 陣風: 60 knots 節)
Pressure (JMA) 氣壓 (日本氣象廳) 990 hPa
Movement 移向和移速 300 deg 度 (WNW 西北偏西), 6 knots 節
Area(s) that will be affected 受影響地區 Seas NE of Taiwan 台灣東北部海域

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

13W was given the name WIPHA by the JMA at 00 UTC. WIPHA moved slowly in the WNW direction in the past 24 hours, intensifying into a tropical storm. At 06 UTC, WIPHA was centred 720 km (390 NM) SSE of Okinawa.

13W 於 00 UTC 被日本氣象廳命名為韋帕。於 06 UTC,韋帕集結在沖繩島東南偏南約 720 公里 (390 海里)。

Movement Analysis 路徑分析

A broad subtropical ridge is anchored NE of WIPHA. With the ridge as the primary steering force, it is expected that WIPHA will travel WNW turning to NW along the southwestern periphery of the ridge. However uncertainties exist regarding the degree of recurvature - there is also a chance that WIPHA will make landfall at Eastern China if it is not picked up by the arriving mid-latitude trough.

一個廣闊的副熱帶高壓脊正處於韋帕東北部,韋帕將於未來 72 小時沿該脊之西南部向西北偏西至西北移動。可是,韋帕轉向的幅度如何很大程度要看究竟韋帕會否被西風槽牽引 --- 如果影響較小,韋帕有機會在中國東部登陸。

Intensity Analysis 強度分析

As of 06 UTC, WIPHA's convection wrapped 1.0 on the log10 spiral which yielded a T-number of 3.5 or equivalently 45-55 knots wind (tropical storm to severe tropical storm). Recent analyses showed that the northern TUTT cell inhibiting WIPHA's intensification is weakening gradually, providing room for rapid intensification in the next 72 hours. If WIPHA is able to traverse the East China Sea without making landfall at China, WIPHA's strength should peak at t+72 when it crosses the ridge axis, after which WIPHA should weaken subject to low sea surface temperatures and high vertical wind shear.

在 06 UTC韋帕的T號碼為3.5即 45 至 55 節的風速 (熱帶風暴至強烈熱帶風暴)因阻塞韋帕增強的熱帶高對流槽正減弱韋帕有機會在未來 72 小時急速增強韋帕未有登陸中國它的強度將於 72 小時後到達巔峰其後韋帕將會受較冷的海水及強烈垂直風切變的影響而減弱

Effects on Hong Kong 對香港的影響

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

韋帕於未來的72小時將不會對香港構成任何影響

Next Update 下次更新

19 HKT, 2007/09/17 (or earlier 或更早)

+13W (WIPHA 韋帕) Bulletin 發佈 #1 (2007/09/15, 17:50 HKT)

Name of System 系統名稱 TD 13W 熱帶低氣壓 13W
Bulletin Number 發佈編號 #1
Time of Report 報告時間 2007/09/15, 17:50 HKT (09:50 UTC)
Time of Observation 觀測時間 2007/09/15, 14 HKT (06 UTC)
Position 位置 19.9 N, 132.7 E
1-min. Average Wind Speed 1分鐘平均風速 25 knots 節 (Gusts 陣風: 35 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 30 knots 節 (Gusts 陣風: 45 knots 節)
Pressure (JMA) 氣壓 (日本氣象廳) 998 hPa
Movement 移向和移速 305 deg 度 (NW 西北), 6 knots 節
Area(s) that will be affected 受影響地區 Ryukyu Islands 琉球群島

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

A tropical disturbance ESE of Taiwan slowly organized and intensified into a tropical depression at 06 UTC, which was given a temporary number of 13W by JTWC. At 06 UTC, 13W was centred 870 km (470 NM) SE of Okinawa.

一個位於台灣東南偏東方的低壓區在 06 UTC 增強為一熱帶低氣壓,被 JTWC 給予臨時編號 13W。於 06 UTC,13W 集結在沖繩島東南約 870 公里 (470 海里)。

Movement Analysis 路徑分析

A broad subtropical ridge is anchored NE of 13W. With the ridge as the primary steering force, it is expected that 13W will travel NW to NNW along the southwestern periphery of the ridge in the next 72 hours.

一個廣闊的副熱帶高壓脊正處於 13W 東北部,13W 將於未來 72 小時沿該脊之西南部向西北至西北偏北移動。

Intensity Analysis 強度分析

As of 06 UTC, 13W's convection wrapped 0.5 on the log10 spiral which yielded a T-number of 2.0 or equivalently 25-30 knots wind (tropical depression). As the sea is generally warm and the outflow channels of 13W can still be improved, it is expected that 13W will intensify at a climatological rate until t+36, followed by an intensification at less than climatological rate till t+72 due to lower sea surface temperatures after the passage of NARI.

在 06 UTC13W 的T號碼為2.0即 25 至 30 節的風速 (熱帶低氣壓)因海水溫度頗高及13W的輻散通道尚有轉好的空間,13W 將於未來 36 小時以氣候平均值之速度增強及後由於受到百合經過後造成的較低海水溫度之影響,13W 將會以低於氣候平均值之速度增強

Effects on Hong Kong 對香港的影響

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

13W 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

20 HKT, 2007/09/16 (or earlier 或更早)

Last Accessed 最近訪問日期: Tue Mar 19 2019 04:08:39 HKT
Last Modified 最近修訂日期: Tue Dec 24 2013

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