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Active Tropical Cyclone(s) 正活躍之熱帶氣旋

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1. 10W (KAMMURI 北冕)

Name of System 系統名稱 TS KAMMURI 熱帶風暴 北冕

Bulletin Number 發佈編號 #8 FINAL BULLETIN 最後發佈
Time of Report 報告時間 2008/08/07, 15:30 HKT (07:30 UTC)
Time of Observation 觀測時間 2008/08/07, 14:00 HKT (06:00 UTC)
Position 位置 21.3 N, 108.5 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 990 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 W 西 at 9 knots 節 (17 km/h 公里每小時)
Area(s) affected 受影響地區 Guangxi and northern Vietnam 廣西和越南北部

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

KAMMURI is moving W along the Chinese coastline towards northern Vietnam. At 14 HKT, KAMMURI was centred about 600 km (320 NM) W of Hong Kong. All tropical cyclone signals were cancelled at 07:15 HKT today.

北冕正向西移動,經過中國南部沿岸海域並趨向越南北部。在 14 HKT,北冕集結在香港以西約 600 公里 (320 海里)。天文台已於 07:15 HKT 取消所有熱帶氣旋訊號。

Movement Analysis 路徑分析

It is expected that KAMMURI will track W to WSW along the southern periphery of the extending subtropical ridge anchored east of Korea.

在韓國東面的副熱帶高壓脊繼續西伸。預料北冕將沿該脊南面向西至西南偏西方向移動。

Intensity Analysis 強度分析

Current T-number: N/A
Due to lack of moisture, KAMMURI will weaken gradually and dissipate near t+36.

現時的 T 號碼: 不適用
由於缺乏海洋濕潤空氣,北冕將逐漸減弱並於 36 小時後消散

Effects on Hong Kong 對香港的影響

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

北冕於未來的 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 KAMMURI.

這是本站對北冕的最後一次發佈。

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)

+10W (KAMMURI 北冕) Bulletin 發佈 #7 (2008/08/06, 22:30 HKT)

Name of System 系統名稱 STS KAMMURI 強烈熱帶風暴 北冕

Bulletin Number 發佈編號 #7
Time of Report 報告時間 2008/08/06, 22:30 HKT (14:30 UTC)
Time of Observation 觀測時間 2008/08/06, 20:00 HKT (12:00 UTC)
Position 位置 21.8 N, 111.8 E
Maximum Gust 最高陣風 75 knots 節 (140 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 60 knots 節 (110 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 55 knots 節 (100 km/h 公里每小時)
Pressure 氣壓 983 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 W 西 at 12 knots 節 (23 km/h 公里每小時)
Area(s) affected 受影響地區 Western Guangdong coast 廣東西部沿岸

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

KAMMURI made landfall near Yangjiang near 20 HKT. At 20 HKT, KAMMURI was centred about 250 km (140 NM) WSW of Hong Kong. The Observatory has issued the number 3 signal at 17:15 HKT.

北冕於約晚上 8 時在陽江附近登陸。在 20 HKT,北冕集結在香港西南偏西約 250 公里 (140 海里)。天文台已於 17:15 HKT 改發三號強風訊號。

Movement Analysis 路徑分析

It is expected that KAMMURI will track W along the south to southwestern periphery of the extending subtropical ridge anchored in Korea.

在韓國附近的副熱帶高壓脊正在西伸。預料北冕將沿該脊南至西南面向偏西方向移動。

Intensity Analysis 強度分析

Current T-number: T3.5/4.0/W0.5/06 HRS
KAMMURI will weaken gradually and dissipate near t+48.

現時的 T 號碼: T3.5/4.0/W0.5/06 HRS
北冕將逐漸減弱並於 48 小時後消散

Effects on Hong Kong 對香港的影響

Southeasterly winds will gradually subside in the next 12 to 24 hours.

影響香港的東南風將於未來 12 至 24 小時緩和

Next Update 下次更新

19 HKT, 2008/08/07 (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

+10W (KAMMURI 北冕) Bulletin 發佈 #6 (2008/08/06, 14:30 HKT)

Name of System 系統名稱 TY (CAT. 1) KAMMURI 一級颱風 北冕

Bulletin Number 發佈編號 #6
Time of Report 報告時間 2008/08/06, 14:30 HKT (06:30 UTC)
Time of Observation 觀測時間 2008/08/06, 14:00 HKT (06:00 UTC)
Position 位置 21.6 N, 113.1 E
Maximum Gust 最高陣風 80 knots 節 (150 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 65 knots 節 (120 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 60 knots 節 (110 km/h 公里每小時)
Pressure 氣壓 975 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 NW 西北 at 10 knots 節 (19 km/h 公里每小時)
Area(s) affected 受影響地區 Central and Western Guangdong coast 廣東中西部沿岸

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

KAMMURI intensified into a typhoon and has been moving faster in the last 6 hours. At 14 HKT, KAMMURI was centred about 140 km (70 NM) SW of Hong Kong. The Observatory may issue the number 3 signal in the next few hours as KAMMURI is about to make landfall.

北冕增強為颱風並加速向西北至西北偏西移動。在 14 HKT,北冕集結在香港西南約 140 公里 (70 海里)。由於北冕即將登陸,天文台將考慮於未來數小時改發三號強風訊號。

Movement Analysis 路徑分析

It is expected that KAMMURI will track WNW then W along the southwestern periphery of the subtropical ridge anchored in Korea towards western Guangdong.

在韓國附近的一個副熱帶高壓脊的引導下,預料北冕將沿該脊西南面向西北偏西轉西移動,趨向廣東西部沿岸。

Intensity Analysis 強度分析

Current T-number: T4.0/4.0/D0.5/06 HRS
KAMMURI should have attained maximum intensity by now, and interactions with land will weaken it from t+6.

現時的 T 號碼: T4.0/4.0/D0.5/06 HRS
北冕已到巔峰強度。預料 6 小時後,北冕將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

KAMMURI is making its closest point of approach to Hong Kong now. Strong to gale force winds are expected from the southeast in the next couple of hours, occasionally reaching storm force on high grounds and offshore waters.

北冕現在最接近香港預料未來數小時香港將普遍吹強風至烈風程度東南風,離岸和高地間中吹暴風。

Next Update 下次更新

23 HKT, 2008/08/06 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Gale/Storm 烈風或暴風 #8
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
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

+10W (KAMMURI 北冕) Bulletin 發佈 #5 (2008/08/06, 08:15 HKT)

Name of System 系統名稱 STS KAMMURI 強烈熱帶風暴 北冕

Bulletin Number 發佈編號 #5
Time of Report 報告時間 2008/08/06, 08:15 HKT (00:15 UTC)
Time of Observation 觀測時間 2008/08/06, 08:00 HKT (00:00 UTC)
Position 位置 21.0 N, 114.0 E
Maximum Gust 最高陣風 75 knots 節 (140 km/h 公里每小時)
1-min. Average Wind Speed 1分鐘平均風速 60 knots 節 (110 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 55 knots 節 (100 km/h 公里每小時)
Pressure 氣壓 980 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 WNW 西北偏西 at 6 knots 節 (10 km/h 公里每小時)
Area(s) affected 受影響地區 Central and Western Guangdong coast 廣東中西部沿岸

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

KAMMURI slowed down a bit last night, has consolidated and is edging closer to Hong Kong. It has also intensified into a severe tropical storm. At 08 HKT, KAMMURI was centred about 150 km (80 NM) S of Hong Kong. The Observatory has issued the No. 8 NE Gale or Storm Signal at 05:40 HKT.

北冕於過去 12 小時減速向西北偏西移動,並增強為強烈熱帶風暴。在 08 HKT,北冕集結在香港以南約 150 公里 (80 海里)。天文台於 5 時 40 分發出八號東北烈風或暴風訊號。

Movement Analysis 路徑分析

It is expected that KAMMURI will track NW then WNW in the southwestern periphery of the subtropical ridge anchored in Yellow Sea towards Guangdong.

在黃海附近的一個副熱帶高壓脊的引導下,預料北冕將沿該脊西南面向西北轉西北偏西移動,趨向廣東沿岸。

Intensity Analysis 強度分析

Current T-number: T3.5/3.5/D0.5/12 HRS
KAMMURI has consolidated last night. It should intensify slightly in the next 12 hours as it is tracked in a generally favourable environment before landfall. Interactions with land will weaken KAMMURI from t+12.

現時的 T 號碼: T3.5/3.5/D0.5/12 HRS
北冕於昨晚整固;預料北冕在未來的 12 小時仍可在良好環境中稍作增強。12 小時後,北冕將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

Gale force E/NE winds or above is blowing in Hong Kong now. It is expected that KAMMURI will make its closest point of approach to Hong Kong near noon today. Winds are expected to stregthen and wind direction will rotate clockwise to southeasterlies later today as KAMMURI reaches SW of Hong Kong. Please beware of this change in wind direction and perform all necessary precautionary measures.

香港普遍地區正吹烈風程度或以上的東至東北風預料北冕將於今午最接近香港風向逐漸增強並將於今日稍後以順時針方向轉至東南。請提防風向的轉變並及早作好準備。

Next Update 下次更新

14 HKT, 2008/08/06 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Gale/Storm 烈風或暴風 #8
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
G/S Increasing 烈風或暴風增強 #9
Low 低
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

+10W (KAMMURI 北冕) Bulletin 發佈 #4 (2008/08/05, 21:45 HKT)

Name of System 系統名稱 TS KAMMURI 熱帶風暴 北冕

Bulletin Number 發佈編號 #4
Time of Report 報告時間 2008/08/05, 21:45 HKT (13:45 UTC)
Time of Observation 觀測時間 2008/08/05, 20:00 HKT (12:00 UTC)
Position 位置 20.6 N, 115.0 E
Maximum Gust 最高陣風 60 knots 節 (110 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 984 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 NW 西北 at 7 knots 節 (13 km/h 公里每小時)
Area(s) affected 受影響地區 Central and Western Guangdong coast 廣東中西部沿岸

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

KAMMURI moved WNW in the past 12 hours. At 20 HKT, KAMMURI was centred about 210 km (110 NM) SSE of Hong Kong. The Observatory has issued the Strong Wind Signal number 3 at 19:15 HKT, and is not ruling out the possibility of higher signals.

北冕於過去 12 小時向西北偏西移動。在 20 HKT,北冕集結在香港東南偏南約 210 公里 (110 海里)。天文台於 19 時 15 分發出三號強風訊號,而發出更高訊號的機會不能排除。

Movement Analysis 路徑分析

An extension of the subtropical ridge anchored in the Yellow Sea can be seen north of KAMMURI. It is expected that KAMMURI will track WNW in the southwestern periphery of this ridge towards Guangdong.

黃海附近的一個副熱帶高壓脊向西延伸至北冕北面。在這個副高的引導下,預料北冕將向西北偏西移動,趨向廣東沿岸。

Intensity Analysis 強度分析

Current T-number: T3.0/3.0/D0.5/12 HRS
KAMMURI should intensify slightly in the next 12 hours as it is tracked in a generally favourable environment. Interactions with land will weaken KAMMURI from t+12.

現時的 T 號碼: T3.0/3.0/D0.5/12 HRS
預料北冕在未來的 12 小時仍可在良好環境中稍作增強。12 小時後,北冕將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

Winds is strengthening from the northeast now. It is expected that rain will become heavier overnight together with strong northeasterly winds, reaching gale force offshore. Wind direction will rotate clockwise to southeasterlies early tomorrow as KAMMURI reaches SW of Hong Kong.

東北風正在增強預料今晚雨勢將會變得較為頻密香港將普遍吹強風程度的東北風離岸間中吹烈風。當北冕橫過香港以南後風向將於明日早上以順時針方向轉至東南。

Next Update 下次更新

14 HKT, 2008/08/06 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Gale/Storm 烈風或暴風 #8
Medium 中等
Low 低
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

+10W (KAMMURI 北冕) Bulletin 發佈 #3 (2008/08/05, 13:15 HKT)

Name of System 系統名稱 TS KAMMURI 熱帶風暴 北冕

Bulletin Number 發佈編號 #3
Time of Report 報告時間 2008/08/05, 13:15 HKT (05:15 UTC)
Time of Observation 觀測時間 2008/08/05, 08:00 HKT (00:00 UTC)
Position 位置 20.1 N, 116.5 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 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 990 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 WNW 西北偏西 at 7 knots 節 (14 km/h 公里每小時)
Area(s) affected 受影響地區 Northern South China Sea 南海北部

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

10W was named KAMMURI by the JMA this morning, moving WNW in the past 12 hours. At 08 HKT, KAMMURI was centred about 340 km (190 NM) SE of Hong Kong.

10W 於今早被日本氣象廳命名為北冕,並於過去 12 小時向西北偏西移動。在 08 HKT,北冕集結在香港東南約 340 公里 (190 海里)。

Movement Analysis 路徑分析

An extension of the subtropical ridge anchored in the Yellow Sea can be seen north of KAMMURI. It is expected that KAMMURI will track WNW in the southern to southwestern periphery of this ridge towards Guangdong.

黃海附近的一個副熱帶高壓脊向西延伸至北冕北面。在這個副高的引導下,預料北冕將向西北偏西移動,趨向廣東沿岸。

Intensity Analysis 強度分析

Current T-number: T2.5/2.5/S0.0/12 HRS
Shear has increased in the South China Sea in the past 12 hours. As sea surface temperature is still high, KAMMURI should be able to intensify near climatological rate in the next 24 hours. Interactions with land will weaken KAMMURI from t+24.

現時的 T 號碼: T2.5/2.5/S0.0/12 HRS
南海的垂直風切變稍為增強由於水溫仍高預料北冕將可於未來 24 小時於接近氣候平均值的速度增強。24 小時後,北冕將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

Winds will strengthen from the northeast later today with rain becoming heavier gradually. Wind direction will rotate clockwise to southeasterlies tomorrow.

預料東北風將於今日稍後增強而雨亦會變得較為頻密風向將於星期三以順時針方向轉至東南。

Next Update 下次更新

23 HKT, 2008/08/05 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
High 高
Very High 極高
High 高
Low 低
Gale/Storm 烈風或暴風 #8
Low 低
Medium 中等
Low 低
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

+10W (KAMMURI 北冕) Bulletin 發佈 #2 (2008/08/04, 23:00 HKT)

Name of System 系統名稱 TS 10W 熱帶風暴 10W

Bulletin Number 發佈編號 #2
Time of Report 報告時間 2008/08/04, 23:00 HKT (15:00 UTC)
Time of Observation 觀測時間 2008/08/04, 20:00 HKT (12:00 UTC)
Position 位置 19.6 N, 117.5 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 35 knots 節 (65 km/h 公里每小時)
10-min. Average Wind Speed 10分鐘平均風速 30 knots 節 (55 km/h 公里每小時)
Pressure 氣壓 996 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 W 西 at 7 knots 節 (12 km/h 公里每小時)
Area(s) affected 受影響地區 Northern South China Sea 南海北部

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

10W became better organized and has intensified into a tropical storm, moving west in the past 12 hours. At 20 HKT, 10W was centred about 460 km (250 NM) SE of Hong Kong. The Observatory has issued the standby signal at 10:15 HKT today.

10W 的組織在下午變得較為緊密,於晚間增強為熱帶風暴。在 20 HKT,10W 集結在香港東南約 460 公里 (250 海里)。香港天文台於上午 10 時 15 分發出一號戒備訊號。

Movement Analysis 路徑分析

An extension of the subtropical ridge anchored near Okinawa can be seen north of 10W. It is expected that 10W will track WNW in the southern periphery of this ridge towards Guangdong. Westward movement induced by 99W is expected to diminish as convections are being picked up by 10W.

沖繩島附近的一個副熱帶高壓脊向西延伸至 10W 北面。在這個副高的引導下,預料 10W 將向西北偏西移動,趨向廣東沿岸。先前在南海的另一個擾動 99W 對 10W 路徑之影響 (亦即較西的路徑) 將會因 99W 逐漸消散而減少。

Intensity Analysis 強度分析

Current T-number: T2.5/2.5/D1.0/12 HRS
10W's outflow is improving, shear is minimal and sea surface temperature is high in South China Sea. 10W should be able to intensify near or slightly faster than the climatological rate in the next 36 hours. Interactions with land will weaken 10W from t+48.

現時的 T 號碼: T2.5/2.5/D1.0/12 HRS
10W 的輻散良好且正處於低垂直風切變和高水溫的環境預料 10W 將可於未來 36 小時於接近或稍快於氣候平均值的速度增強。48 小時後,10W 將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

As 10W strengthens and moves closer to Hong Kong, it is expected that 10W will start to affect Hong Kong tomorrow, with strengthening northeasterly winds changing to southeasterlies. Onset of rain is also expected later tomorrow.

隨著 10W 增強並逐漸移近預料它將於明天開始影響本港;東北風將增強並於星期三轉為東南風。明天稍後將會有雨。

Next Update 下次更新

14 HKT, 2008/08/05 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
Low 低
High 高
Very High 極高
Very High 極高
Gale/Storm 烈風或暴風 #8
Low 低
High 高
Medium 中等
G/S Increasing 烈風或暴風增強 #9
Low 低
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

+10W (KAMMURI 北冕) Bulletin 發佈 #1 (2008/08/04, 12:00 HKT)

Name of System 系統名稱 TD 10W 熱帶低氣壓 10W

Bulletin Number 發佈編號 #1
Time of Report 報告時間 2008/08/04, 12:00 HKT (04:00 UTC)
Time of Observation 觀測時間 2008/08/04, 08:00 HKT (00:00 UTC)
Position 位置 19.4 N, 119.2 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 22 knots 節 (41 km/h 公里每小時)
Pressure 氣壓 1002 hPa 百帕斯卡
Past 6-hr Movement 過去6小時移向和移速 N/A 不適用
Area(s) affected 受影響地區 Northern South China Sea 南海北部

Forecast Track 預測路徑圖

Please click here for the plain text version of the track data. 請按此觀看純文字資料。

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

A disturbance (90W) north of Luzon intensified into a tropical depression this morning, and the JTWC has given it a temporary number of 10W. At 08 HKT, 10W was centred about 620 km (330 NM) ESE of Hong Kong. The Observatory has issued the standby signal at 10:15 HKT today.

在呂宋北面的一個擾動 (90W) 今早增強為熱帶低氣壓,聯合颱風警報中心給予臨時編號 10W。在 08 HKT,10W 集結在香港東南偏東約 620 公里 (330 海里)。香港天文台於上午 10 時 15 分發出一號戒備訊號。

Movement Analysis 路徑分析

An extension of the subtropical ridge anchored near Okinawa can be seen north of 10W. It is expected that 10W will track WNW in the southern periphery of this ridge towards Guangdong. Westward movement is also induced by another disturbance, 99W, in the South China Sea.

沖繩島附近的一個副熱帶高壓脊向西延伸至 10W 北面。在這個副高的引導和在南海的另一個擾動 99W 之影響下,預料 10W 將向西北偏西移動,趨向廣東沿岸。

Intensity Analysis 強度分析

Current T-number: T1.5/1.5/INT OBS
10W's outflow is improving, shear is minimal and sea surface temperature is high in South China Sea. 10W should be able to intensify near or slightly faster than the climatological rate in the next 48 hours. Interactions with land will weaken 10W from t+60.

現時的 T 號碼: T1.5/1.5/INT OBS
10W 的輻散良好且正處於低垂直風切變和高水溫的環境預料 10W 將可於未來 48 小時於接近或稍快於氣候平均值的速度增強。60 小時後,10W 將受陸地影響而減弱

Effects on Hong Kong 對香港的影響

Wind direction in Hong Kong changed from E to N today. It is expected that 10W will start to affect Hong Kong tomorrow, with strengthening northeasterly winds changing to southeasterlies. Onset of rain is also expected later tomorrow.

香港大部分地區的風向於今早由偏東轉向偏北。10W 將於明天開始影響本港;東北風將增強並於星期三轉為東南風。明天稍後將會有雨。

Next Update 下次更新

23 HKT, 2008/08/04 (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
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Issued 已發出
Strong Wind 強風 #3
Low 低
Medium 中等
High 高
Very High 極高
Low 低
Gale/Storm 烈風或暴風 #8
Low 低
Medium 中等
Low 低
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
08080400 194N1192E 025
08080406 195N1182E 030
08080412 196N1175E 035
08080418 198N1172E 035
08080500 201N1165E 040
08080506 202N1156E 045
08080512 206N1150E 045
08080515 207N1147E 050
08080518 207N1145E 050
08080521 208N1143E 055
08080600 210N1140E 060
08080603 212N1137E 060
08080606 216N1131E 065
08080609 217N1123E 060
08080612 218N1118E 055
08080618 216N1106E 050
08080700 214N1095E 045
08080706 213N1085E 040

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