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Active Tropical Cyclone(s) 正活躍之熱帶氣旋

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1. 19W (KAJIKI 劍魚)

Name of System 系統名稱 STS KAJIKI 強烈熱帶風暴 劍魚

Bulletin Number 發佈編號 #4 FINAL BULLETIN 最後發佈
Time of Report 報告時間 2007/10/22, 13:00 HKT (05:00 UTC)
Time of Observation 觀測時間 2007/10/22, 08 HKT (00 UTC)
Position 位置 35.4 N, 157.5 E
1-min. Average Wind Speed 1分鐘平均風速 55 knots 節 (Gusts 陣風: 75 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 50 knots 節 (Gusts 陣風: 70 knots 節)
Pressure 氣壓 990 hPa
Movement 移向和移速 ENE 東北偏東 at 37 knots 節
Area(s) that will be affected 受影響地區 N/A

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 日本氣象廳路徑圖

KAJIKI is now undergoing extratropical transition. At 08 HKT, KAJIKI was centred 1600 km (870 NM) E of Tokyo.

劍魚正轉化為溫帶氣旋。在 08 HKT,劍魚集結在東京以東約 1600 公里 (870 海里)。

Movement Analysis 路徑分析

KAJIKI will move ENE to E along the northern periphery of the subtropical ridge in the remainder of the forecast period. Its speed will increase gradually as it is now subjected to the westerlies.

預料受西風帶的影響,劍魚將會於餘下時間加速在副熱帶高壓脊的北部向東或東北偏東移動。

Intensity Analysis 強度分析

Current T-number: XT3.5/4.5/W1.5/24 HRS
KAJIKI should weaken as it encounters substantially higher shear (in excess of 50 knots) and lower sea temperatures. It will finish extratropical transition in 24 hours.

現時的 T 號碼: XT3.5/4.5/W1.5/24 HRS
劍魚將因受較強的垂直風切變 (50 節以上) 較冷的海水影響而減弱並會於 24 小時內完全轉化為溫帶氣旋

Effects on Hong Kong 對香港的影響

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

劍魚於未來的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 KAJIKI.

這是本站對劍魚的最後一次發佈

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)

+19W (KAJIKI 劍魚) Bulletin 發佈 #3 (2007/10/21, 15:30 HKT)

Name of System 系統名稱 TY (CAT. 2) KAJIKI 二級颱風 劍魚

Bulletin Number 發佈編號 #3
Time of Report 報告時間 2007/10/21, 15:30 HKT (07:30 UTC)
Time of Observation 觀測時間 2007/10/21, 14 HKT (06 UTC)
Position 位置 29.9 N, 146.3 E
1-min. Average Wind Speed 1分鐘平均風速 95 knots 節 (Gusts 陣風: 120 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 80 knots 節 (Gusts 陣風: 105 knots 節)
Pressure 氣壓 960 hPa
Movement 移向和移速 NE 東北 at 29 knots 節
Area(s) that will be affected 受影響地區 N/A

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 日本氣象廳路徑圖

KAJIKI weakened a bit last night, after reaching a peak intensity of 110 knots. At 14 HKT, KAJIKI was centred 890 km (480 NM) SE of Tokyo.

劍魚昨晚減弱為二級颱風。在 14 HKT,劍魚集結在東京之東南約 890 公里 (480 海里)。

Movement Analysis 路徑分析

KAJIKI will move NE along the northwestern periphery of the subtropical ridge in the remainder of the forecast period. Its speed will increase gradually as it is now subjected to the westerlies.

預料受西風帶的影響,劍魚將會於餘下時間加速在副熱帶高壓脊的西北部向東北移動。

Intensity Analysis 強度分析

Current T-number: T5.0/6.0/W1.0/24 HRS
KAJIKI should weaken as it encounters substantially higher shear (in excess of 50 knots) and lower sea temperatures.

現時的 T 號碼: T5.0/6.0/W1.0/24 HRS
劍魚將因受較強的垂直風切變 (50 節以上) 及較冷的海水影響而減弱。

Effects on Hong Kong 對香港的影響

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

劍魚於未來的72小時將不會對香港構成任何影響。

Next Update 下次更新

19 HKT, 2007/10/22 (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

+19W (KAJIKI 劍魚) Bulletin 發佈 #2 (2007/10/20, 15:15 HKT)

Name of System 系統名稱 TY (CAT. 3) KAJIKI 三級颱風 劍魚

Bulletin Number 發佈編號 #2
Time of Report 報告時間 2007/10/20, 15:15 HKT (07:15 UTC)
Time of Observation 觀測時間 2007/10/20, 14 HKT (06 UTC)
Position 位置 23.3 N, 140.6 E
1-min. Average Wind Speed 1分鐘平均風速 110 knots 節 (Gusts 陣風: 140 knots 節)
10-min. Average Wind Speed 10分鐘平均風速 90 knots 節 (Gusts 陣風: 120 knots 節)
Pressure 氣壓 940 hPa
Movement 移向和移速 N 北 at 11 knots 節
Area(s) that will be affected 受影響地區 N/A

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 日本氣象廳路徑圖

Subjected to excellent environment, KAJIKI underwent rapid deepening last night and this morning and an eye of 30 km in diameter is currently discernible in both visible and IR imageries. At 14 HKT, KAJIKI was centred 140 km (80 NM) SSW of Iwo Jima.

劍魚昨晚和今早繼續急速增強為一個三級颱風,並發展出一約 30 公里寬的風眼。在 14 HKT,劍魚集結在硫磺島之西南偏南約 140 公里 (80 海里)。

Movement Analysis 路徑分析

KAJIKI is now traversing the break between the two ridges. It is forecast that KAJIKI will accelerate into the NE direction later in the forecast period when it reacts with the westerlies.

劍魚正通過在兩高壓脊間的弱點。預料受西風帶的影響,劍魚將會於預測後期加速向東北移動。

Intensity Analysis 強度分析

Current T-number: T6.0/6.0/D2.5/24 HRS
Situated in an environment with very weak vertical wind shear and promising sea surface temperatures, KAJIKI has developed a good outflow channel and has been intensifying rapidly in the past 24 hours. It is forecast that some intensification is still possible before KAJIKI crosses the ridge axis as the excellent ambient environment continues, after which the system should weaken as it counters substantially higher shear and lower sea temperatures.

現時的 T 號碼: T6.0/6.0/D2.5/24 HRS
由於劍魚正處於弱垂直風切變的環境及溫暖的海水中,劍魚在過去 24 小時急速增強。預料劍魚將會在良好的大氣環境中稍作增強但當劍魚橫過脊線後將因受較強的垂直風切變較冷的海水影響而減弱

Effects on Hong Kong 對香港的影響

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

劍魚於未來的72小時將不會對香港構成任何影響

Next Update 下次更新

19 HKT, 2007/10/21 (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

+19W (KAJIKI 劍魚) Bulletin 發佈 #1 (2007/10/19, 16:00 HKT)

Name of System 系統名稱 STS KAJIKI 強烈熱帶風暴 劍魚

Bulletin Number 發佈編號 #1
Time of Report 報告時間 2007/10/19, 16:00 HKT (08:00 UTC)
Time of Observation 觀測時間 2007/10/19, 14 HKT (06 UTC)
Position 位置 19.7 N, 142.9 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 45 knots 節 (Gusts 陣風: 60 knots 節)
Pressure 氣壓 985 hPa
Movement 移向和移速 WNW 西北偏西 at 13 knots 節
Area(s) that will be affected 受影響地區 N/A

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 日本氣象廳路徑圖

A disturbance north of Guam has been intensifying rapidly last night and attained severe tropical storm strength today, which was named KAJIKI by the JMA. At 14 HKT, KAJIKI was centred 540 km (290 NM) SSE of Iwo Jima.

在關島以北的一個熱帶擾動由昨晚開始急速增強,並於今天增強為一強烈熱帶風暴,被日本氣象廳命名為劍魚。在 14 HKT,劍魚集結在硫磺島之東南偏南約 540 公里 (290 海里)。

Movement Analysis 路徑分析

A mid-latitude trough is enhancing the break between the subtropical ridge anchored ENE of KAJIKI and another ridge near Vietnam. KAJIKI should track towards the break and will eventually recurve.

一道西風槽正擴大在副熱帶高壓脊及西邊的高壓脊之間的弱點。預料劍魚將會通過此弱點, 從而在預測後期向北至東北方向移動。

Intensity Analysis 強度分析

Current T-number: T3.5/3.5/INT OBS
Situated in an environment with very weak vertical wind shear and promising sea surface temperatures, KAJIKI has developed a good outflow channel and has been intensifying rapidly in the past 24 hours. It is forecast that some intensification is still possible before KAJIKI crosses the ridge axis as the excellent ambient environment continues, after which the system should weaken as it counters substantially higher shear and lower sea temperatures.

現時的 T 號碼: T3.5/3.5/INT OBS
由於劍魚正處於弱垂直風切變的環境及溫暖的海水中,劍魚再過去 24 小時急速增強。預料劍魚將會在良好的大氣環境中增強為一颱風但當劍魚橫過脊線後將因受較強的垂直風切變較冷的海水影響而減弱

Effects on Hong Kong 對香港的影響

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

劍魚於未來的72小時將不會對香港構成任何影響

Next Update 下次更新

19 HKT, 2007/10/20 (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

Track Data from HKWW 本站之路徑資料

YYMMDDZZ Lat Long Wind
07101900 195N1440E 035
07101906 197N1429E 050
07101912 208N1420E 055
07101918 215N1412E 070
07102000 221N1407E 090
07102006 233N1406E 110
07102012 245N1411E 110
07102018 260N1420E 110
07102100 279N1439E 100
07102106 299N1463E 095
07102112 320N1492E 075
07102118 340N1533E 065
07102200 354N1575E 055

Last Accessed 最近訪問日期: Tue Mar 19 2019 03:24:11 HKT
Last Modified 最近修訂日期: Tue Dec 24 2013

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