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01B.Viyaru 登陸孟加拉 助長梅雨?*

簽到天數: 588 天

[LV.9]以壇為家II

Meow|2013-5-10 17:26 | 顯示全部樓層
完了,如果真的預測以二級登陸緬甸肯定要死幾百人。

  1. WTIO31 PGTW 100900
  2. MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
  3. SUBJ/TROPICAL CYCLONE 01B (ONE) WARNING NR 001//
  4. REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/100151Z MAY 13//
  5. AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT//
  6. RMKS/
  7. 1. TROPICAL CYCLONE 01B (ONE) WARNING NR 001   
  8.    01 ACTIVE TROPICAL CYCLONE IN NORTHIO
  9.    MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
  10.    WIND RADII VALID OVER OPEN WATER ONLY
  11.     ---
  12.    WARNING POSITION:
  13.    100600Z --- NEAR 4.8N 93.6E
  14.      MOVEMENT PAST SIX HOURS - 035 DEGREES AT 04 KTS
  15.      POSITION ACCURATE TO WITHIN 060 NM
  16.      POSITION BASED ON CENTER LOCATED BY SATELLITE
  17.    PRESENT WIND DISTRIBUTION:
  18.    MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
  19.    WIND RADII VALID OVER OPEN WATER ONLY
  20.    REPEAT POSIT: 4.8N 93.6E
  21.     ---
  22.    FORECASTS:
  23.    12 HRS, VALID AT:
  24.    101800Z --- 6.2N 92.4E
  25.    MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
  26.    WIND RADII VALID OVER OPEN WATER ONLY
  27.    RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT
  28.                             030 NM SOUTHEAST QUADRANT
  29.                             030 NM SOUTHWEST QUADRANT
  30.                             035 NM NORTHWEST QUADRANT
  31.    VECTOR TO 24 HR POSIT: 305 DEG/ 08 KTS
  32.     ---
  33.    24 HRS, VALID AT:
  34.    110600Z --- 7.1N 91.1E
  35.    MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
  36.    WIND RADII VALID OVER OPEN WATER ONLY
  37.    RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
  38.                             055 NM SOUTHEAST QUADRANT
  39.                             055 NM SOUTHWEST QUADRANT
  40.                             065 NM NORTHWEST QUADRANT
  41.    VECTOR TO 36 HR POSIT: 310 DEG/ 09 KTS
  42.     ---
  43.    36 HRS, VALID AT:
  44.    111800Z --- 8.3N 89.7E
  45.    MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
  46.    WIND RADII VALID OVER OPEN WATER ONLY
  47.    RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
  48.                             030 NM SOUTHEAST QUADRANT
  49.                             030 NM SOUTHWEST QUADRANT
  50.                             030 NM NORTHWEST QUADRANT
  51.    RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
  52.                             080 NM SOUTHEAST QUADRANT
  53.                             075 NM SOUTHWEST QUADRANT
  54.                             085 NM NORTHWEST QUADRANT
  55.    VECTOR TO 48 HR POSIT: 330 DEG/ 08 KTS
  56.     ---
  57.    EXTENDED OUTLOOK:
  58.    48 HRS, VALID AT:
  59.    120600Z --- 9.7N 88.9E
  60.    MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
  61.    WIND RADII VALID OVER OPEN WATER ONLY
  62.    RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
  63.                             020 NM SOUTHEAST QUADRANT
  64.                             020 NM SOUTHWEST QUADRANT
  65.                             020 NM NORTHWEST QUADRANT
  66.    RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
  67.                             040 NM SOUTHEAST QUADRANT
  68.                             040 NM SOUTHWEST QUADRANT
  69.                             040 NM NORTHWEST QUADRANT
  70.    RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
  71.                             100 NM SOUTHEAST QUADRANT
  72.                             095 NM SOUTHWEST QUADRANT
  73.                             100 NM NORTHWEST QUADRANT
  74.    VECTOR TO 72 HR POSIT: 350 DEG/ 08 KTS
  75.     ---
  76.    72 HRS, VALID AT:
  77.    130600Z --- 12.8N 88.4E
  78.    MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
  79.    WIND RADII VALID OVER OPEN WATER ONLY
  80.    RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
  81.                             030 NM SOUTHEAST QUADRANT
  82.                             030 NM SOUTHWEST QUADRANT
  83.                             030 NM NORTHWEST QUADRANT
  84.    RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT
  85.                             050 NM SOUTHEAST QUADRANT
  86.                             050 NM SOUTHWEST QUADRANT
  87.                             050 NM NORTHWEST QUADRANT
  88.    RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
  89.                             115 NM SOUTHEAST QUADRANT
  90.                             110 NM SOUTHWEST QUADRANT
  91.                             110 NM NORTHWEST QUADRANT
  92.    VECTOR TO 96 HR POSIT: 025 DEG/ 13 KTS
  93.     ---
  94.    LONG RANGE OUTLOOK:
  95.     ---
  96.    96 HRS, VALID AT:
  97.    140600Z --- 17.4N 90.5E
  98.    MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
  99.    WIND RADII VALID OVER OPEN WATER ONLY
  100.    VECTOR TO 120 HR POSIT: 040 DEG/ 15 KTS
  101.     ---
  102.    120 HRS, VALID AT:
  103.    150600Z --- 22.0N 94.6E
  104.    MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
  105.    WIND RADII VALID OVER OPEN WATER ONLY
  106.    DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
  107.     ---
  108. REMARKS:
  109. 100900Z POSITION NEAR 5.1N 93.3E.
  110. TROPICAL CYCLONE 01B (ONE), LOCATED APPROXIMATELY 1052 NM SOUTH OF
  111. CHITTAGONG, BANGLADESH, HAS TRACKED NORTHEASTWARD AT 04 KNOTS OVER
  112. THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI)
  113. DEPICTS A RAPIDLY-CONSOLIDATING LOW-LEVEL CIRCULATION CENTER (LLCC)
  114. WITH TIGHTLY-WRAPPED DEEP CONVECTIVE BANDING. THIS IMPROVED
  115. CONVECTIVE STRUCTURE IS CLEARLY EVIDENT IN A 100715Z AMSU-B IMAGE,
  116. WHICH SHOWS A DEFINED BUT PARTIALLY-EXPOSED LLCC LOCATED ON THE
  117. EASTERN TIP OF A DEEP CONVECTIVE BAND WRAPPING FROM THE NORTH
  118. QUADRANT INTO THE WEST QUADRANT OF THE SYSTEM. DESPITE THE RECENT
  119. IMPROVEMENT, DVORAK ESTIMATES REMAIN LOW AT 25 TO 30 KNOTS; HOWEVER,
  120. A 100244Z ASCAT IMAGE AND A 100544Z OCEANSAT IMAGE BOTH SHOW 35-KNOT
  121. WINDS NEAR THE CORE AND SUPPORT THE INTENSITY ASSESSMENT OF 35
  122. KNOTS. RECENT MICROWAVE IMAGERY AS WELL AS THE OCEANSAT IMAGE
  123. SUPPORT THE INITIAL POSITION WITH FAIR CONFIDENCE. THE LLCC IS
  124. LOCATED WITHIN A MARGINAL ENVIRONMENT WITH STRONG VERTICAL WIND
  125. SHEAR (VWS) OFFSET BY NEAR-RADIAL OUTFLOW. TC 01B IS FORECAST TO
  126. TRACK WEST-NORTHWESTWARD TO NORTHWESTWARD THROUGH TAU 36 UNDER THE
  127. STEERING INFLUENCE OF THE SUBTROPICAL RIDGE (STR) POSITIONED OVER
  128. THE NORTHERN BAY OF BENGAL. THEREAFTER, TC 01B IS EXPECTED TO TURN
  129. POLEWARD AS THE STR WEAKENS DUE TO AN APPROACHING DEEP MIDLATITUDE
  130. SHORTWAVE TROUGH, CURRENTLY POSITIONED OVER PAKISTAN AND THE
  131. NORTHERN ARABIAN SEA. AFTER TAU 72, THE SYSTEM WILL RE-CURVE INTO
  132. MYANMAR AS MIDLATITUDE WESTERLY FLOW DOMINATES INDIA AND THE WESTERN
  133. BAY OF BENGAL. DYNAMIC MODEL GUIDANCE IS IN TIGHT AGREEMENT,
  134. THEREFORE, THE JTWC FORECAST IS POSITIONED CLOSE TO THE MULTI-MODEL
  135. CONSENSUS. OVERALL, THERE IS HIGH CONFIDENCE IN THE FORECAST. TC 01B
  136. IS FORECAST TO INTENSIFY TO A PEAK OF 90 KNOTS BY TAU 96 DUE TO
  137. DECREASING VWS AND IMPROVING POLEWARD OUTFLOW ASSOCIATED WITH THE
  138. AFOREMENTIONED SHORTWAVE TROUGH. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
  139. 100600Z IS 10 FEET. NEXT WARNINGS AT 101500Z, 102100Z, 110300Z AND
  140. 110900Z. THIS WARNING SUPERSEDES AND CANCELS REF A, JOINT TYPHOON
  141. WRNCEN PEARL HARBOR HI 100151Z MAY 13 TROPICAL CYCLONE FORMATION
  142. ALERT (WTIO21 PGTW 100200).//
  143. NNNN
複製代碼

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這種路徑加這種強度再加上那裡一遇颱風...天佑緬甸囉  發表於 2013-5-10 18:36
雲系覆蓋廣+緬甸地勢低 = gg  發表於 2013-5-10 18:08

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參與人數 1水氣能量 +5 收起 理由
jwpk9899 + 5 即時訊息

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簽到天數: 588 天

[LV.9]以壇為家II

Meow|2013-5-10 16:05 | 顯示全部樓層
ben811018 發表於 2013-5-10 12:46
默默移到蘇門答臘島西北方海域未來路徑還有往東調整機會
92B是否順利加強跨赤道氣流並引入北半球及建立完 ...

我更關注未來是否嚴重影響緬甸。

一天内從 LOW 到 01B,雙流出通道彌補了風切的問題。IMD 認為是 well-marked low pressure area。

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簽到天數: 1989 天

[LV.Master]伴壇終老

ben811018|2013-5-10 12:46 | 顯示全部樓層

默默移到蘇門答臘島西北方海域未來路徑還有往東調整機會
92B是否順利加強跨赤道氣流並引入北半球及建立完整的西南風場是未來觀察重點



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我更關注未來是否嚴重影響緬甸。 一天内從 LOW 到 01B,雙流出通道彌補了風切的問題。IMD 認為是 well-marked low pressure area。  詳情 回復 發表於 2013-5-10 16:05

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簽到天數: 588 天

[LV.9]以壇為家II

Meow|2013-5-10 10:27 | 顯示全部樓層

TCFA

  1. WTIO21 PGTW 100200
  2. MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
  3. SUBJ/TROPICAL CYCLONE FORMATION ALERT//
  4. RMKS/
  5. 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
  6. 150 NM EITHER SIDE OF A LINE FROM 4.2N 93.7E TO 9.6N 89.7E WITHIN
  7. THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY ISSUANCE
  8. OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS IN THE
  9. AREA ARE ESTIMATED TO BE 28 TO 32 KNOTS. METSAT IMAGERY AT 092330Z
  10. INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 5.4N 93.2E. THE
  11. SYSTEM IS MOVING NORTHWARD AT 08 KNOTS.
  12. 2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 4.6N
  13. 93.2E, IS NOW LOCATED NEAR 5.4N 93.2E, APPROXIMATELY 130 NM WEST OF
  14. BANDA ACEH, SUMATRA. ENHANCED WATER VAPOR ANIMATION DEPICTS FLARING
  15. CONVECTION ASSOCIATED WITH A CONSOLIDATING LOW LEVEL CIRCULATION
  16. CENTER (LLCC). A 092305Z SSMIS IMAGE REVEALS CONVECTIVE BANDING
  17. DEVELOPING OVER THE SOUTHERN SEMICIRCLE AND WRAPPING INTO THE LLCC.  
  18. UPPER LEVEL ANALYSIS INDICATES THE SYSTEM IS APPROXIMATELY 5 DEGREES
  19. SOUTH OF THE SUBTROPICAL RIDGE WITH 20 TO 30 KNOTS OF VERTICAL WIND
  20. SHEAR. HOWEVER, THERE IS EXCELLENT POLEWARD AND EQUATORWARD OUTFLOW
  21. AS EVIDENT IN THE ENHANCED WATER VAPOR ANIMATION. SEA SURFACE
  22. TEMPERATURES ARE ABOVE 28 DEGREES CELSIUS. MAXIMUM SUSTAINED SURFACE
  23. WINDS ARE ESTIMATED AT 28 TO 32 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
  24. ESTIMATED TO BE NEAR 1000 MB. DUE TO INCREASED CONSOLIDATION OF THE
  25. LLCC, DEVELOPMENT OF CONVECTIVE BANDING, AND THE EXCELLENT UPPER
  26. LEVEL OUTFLOW, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
  27. TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH.
  28. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
  29. 110200Z.//
  30. NNNN
複製代碼

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[LV.8]以壇為家I

krichard2011|2013-5-9 23:36 | 顯示全部樓層
本帖最後由 krichard2011 於 2013-5-9 23:51 編輯

92B附近垂直風切還是一直在增強
這應該就是為什麼JTWC降評LOW的原因
但是JTWC的文字報告中有提到
它的南北向的高層流出不錯加上海溫的支持
對流還是在爆發當中
目前螺旋性看起來是好一些了



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參與人數 1水氣能量 +10 收起 理由
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[LV.8]以壇為家I

krichard2011|2013-5-8 21:33 | 顯示全部樓層
目前的環境 風切有開始增強的趨勢
結構也稍嫌鬆散...
要待進入孟灣環境或許會好一點
不過最新一報的GFS還是調弱了92B預報強度

接下來可能要注意的就是
它是否會將印度洋的水氣間接帶上來
促而加強未來鋒面的降水
不過這時間還有點久需要在等一等




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參與人數 1水氣能量 +15 收起 理由
阿隆 + 15 今年孟灣擾動早,關注對週末南下鋒面加乘.

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[LV.8]以壇為家I

krichard2011|2013-5-7 21:11 | 顯示全部樓層
本帖最後由 krichard2011 於 2013-5-7 21:36 編輯

92B的對流似乎有稍微減弱
環境時好時壞 垂直風切也時強時弱
目前對流主要分布於南側 對流消消長長
幾乎跨赤道與94S的雲系結合為一體
形成一個超大順時針的螺旋雲帶
不過幅合與幅散還是有待加強
GFS 最新一報的增強起始點比之前略為偏東南
所以未來GFS預測的那氣旋似乎又增添了一些變數
這就有待時間驗證囉~




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[LV.9]以壇為家II

Meow|2013-5-7 17:22 | 顯示全部樓層
92B 大概也廢了,要和 91B 一同成為未來馬哈森的養分。ECMWF 預報強度不理想,GFS 報了接近 Giri 的風暴。
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