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JTWC 96W TCFA http://www.metoc.navy.mil/jtwc/products/wp9618.gif
▲ 從海南島前往港澳。 原文如下:[ http://www.metoc.navy.mil/jtwc/products/wp9618web.txt ] ============================================================================== WTPN21 PGTW 101430 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE FORMATION ALERT REISSUED// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/091421Z AUG 18// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT REISSUED (WTPN21 PGTW 090430)// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN A 160 NM RADIUS OF 20.7N 112.3E WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSAT IMAGERY AT 101200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 20.7N 111.4E. THE SYSTEM IS MOVING NORTHEASTWARD AT 04 KNOTS. 2. REMARKS: THE AREA OF CONVECTION (INVEST 96W) PREVIOUSLY LOCATED NEAR 18.8N 113.1E IS NOW LOCATED NEAR 20.7N 111.4E, APPROXIMATELY 175NM WEST-SOUTHWEST OF HONG KONG. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY AND A 101048Z 91GHZ SSMIS MICROWAVE IMAGE DEPICT A BROAD REGION OF LOW LEVEL TURNING WITH TWO SEPARATE MASSES OF PERSISTENT DEEP CONVECTION, ONE LOCATED TO THE EAST OF THE LLC AND ONE TO THE NORTHWEST. VWS IN THE VICINITY OF 96W IS LOW-MODERATE (10- 20KTS) BUT INCREASES SHARPLY TO THE SOUTH. IN ADDITION, UL DIVERGENCE HAS WEAKENED OVER THE PAST 24 HOURS. SSTS REMAIN FAVORABLY WARM (28-30C) IN THE SOUTH CHINA SEA. GLOBAL MODELS STILL STRONGLY FAVOR DEVELOPMENT DESPITE THE NOW MARGINAL UL ENVIRONMENT. HOWEVER, LAND INTERACTION AND A CHANGE IN STEERING FLOW DUE TO A BUILDING STR HAVE STARTED TO INDUCE SOME UNCERTAINTY IN TRACK SOLUTIONS. THE SYSTEM IS EXPECTED TO MAKE SLOW PROGRESS TOWARDS THE EAST BEFORE HEADING WESTWARD IN THE MID-LATE TAUS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 997 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. THIS SUPERSEDES REF A. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 111430Z.// NNNN ============================================================================== ◇ 網址: http://www.metoc.navy.mil/jtwc/jtwc.html -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 1.169.7.157 ※ 文章網址: https://www.ptt.cc/bbs/TY_Research/M.1533947923.A.24A.html
linph : 會跟魔羯藤原嗎? 08/11 09:44
WuCH1022 : 97W直接升格19W 08/11 10:22
aegis43210 : https://imgur.com/MfuTiY4.jpg 96w18z 08/11 11:21
aegis43210 : 是有機會,但大概還是會在原地滯留兩天左右 08/11 11:21
aegis43210 : https://imgur.com/9kfUEnu.jpg 08/11 11:23
aegis43210 : 97W朝九州方向移動 08/11 11:23
aegis43210 : 8/13的降雨被數值調弱,14~17日南部有出現大雨機會 08/11 11:38
truffaut : 19W也生成 08/11 12:03
DoraBoy : 若18W比預期更偏西 或許會增加18W跟96W藤原的機會 08/11 12:08
DoraBoy : 所以上面96W數值才有一條神奇路徑 08/11 12:09
chune0916 : 15-19北九州行不知道會不會受97W影響~希望不要啊.. 08/11 13:35
truffaut : https://i.imgur.com/JVoXJbl.jpg 08/11 13:40
truffaut : JTWC_19W 08/11 13:41
DoraBoy : https://i.imgur.com/wV8UJYf.gif 08/11 13:43
DoraBoy : 可以來個三颱互旋嗎 08/11 13:43
aegis43210 : 低壓帶...,很難預測雨量分布 08/11 13:45
youngscott : 短期內生成那麼多個都不會來 實在也是厲害 08/11 14:20
DoraBoy : 18W目前走勢持續偏西中 且速度略快於預期 08/11 14:52
aegis43210 : 應該是因為垂直風切把高層切往西方,低層為了找衣服 08/11 15:01
aegis43210 : 而偏西移動,等風切下降時就會往西北走了 08/11 15:02
YuGar : 三颱的狀況,颱風路徑應該會變得很詭異 08/11 15:29
aegis43210 : https://imgur.com/wx27Wrh.jpg 08/11 16:23
aegis43210 : hwrf連續兩報都很接近臺灣,持續關注 08/11 16:24
Eeli2008 : 貧弱颱也是不少... 08/11 16:38
ppnow : 台灣力場實在太猛 08/11 16:40
IanLi : 季風低壓,強度不被期待 08/11 17:10
keroromoa : HKO不發3了,SMG罕見發出信號級別高於HKO 08/11 17:26
YuGar : 今天農曆七月初一,應該是大潮 08/11 17:31
YuGar : 當然皮要繃緊一點 08/11 17:32
WuCH1022 : 七股雷達又在開防護罩 08/11 17:38
ilutc : 摩羯五點這報還是偏西 08/11 18:07
vaughn : 再西過來,強對流明天就栽進北部了 08/11 18:11
aegis43210 : tceps是壞了嗎?怎麼沒辦法看系集? 08/11 18:13
DoraBoy : 繼續 ←←← 08/11 18:15
YuGar : 三颱效應的話,颱風路徑應該會彼此影響,預測不準 08/11 18:28
doledo01 : 該不會一直往西就發警報了 08/11 19:48
chiy16 : 這幾個小時整合出一個完整的旋轉新中心快速向西移動 08/11 19:50
chiy16 : 這個旋轉中心7點半大概在24.7 126.8 跟定位差好多 08/11 19:54
aegis43210 : 移動很快,現在已經到126.5E了 08/11 19:59
aegis43210 : 如果再偏西,強度要增強了,宮古島環境非常好 08/11 20:00
ilutc : 如果發海警就跌破眼鏡了 08/11 20:01
thunder3304 : 看雲圖感覺離很近耶 08/11 20:02
ilutc : 卡大也有發文了XD 說這距離有點驚險... 08/11 20:04
BornFish : 是不是要吃下沉了 08/11 20:05
ben108472 : 也沒啥驚險,風力也不強,今晚應該要北跳了 08/11 20:06
aegis43210 : 目前的路徑很接近UKMO的決定性預報 08/11 20:16
Eeli2008 : 有回波掃進北海岸了 08/11 20:16
aegis43210 : 真不愧是三大主流數值之一 08/11 20:16
Eeli2008 : 是說這個橢圓形狀有點奇特XD 08/11 20:17
aegis43210 : https://imgur.com/iVyywkL.jpg 08/11 20:27
aegis43210 : 19W目前位置在20.3N143.1E附近,RH和OHC都非常好 08/11 20:29
chikorita : 台北東區下雨了,一度有點大 08/11 20:38
DoraBoy : JMA重新定位了 25.0N 126.8E 08/11 20:42
DoraBoy : 09Z 還在127.8E 12Z調整到126.8E 緯度不變 繼續西 08/11 20:43
aegis43210 : 不過數值普遍不看好19W的發展,24小時後減弱為TD 08/11 21:21
A102S18 : 怎麼忽然覺得旋轉中心緯度在宜花間呢 08/11 22:14
DoraBoy : JTWC繼續西修 https://i.imgur.com/5Zf5sRx.gif 08/11 22:19
DoraBoy : 看雷達 目前中心約在24.7N 126.3E 08/11 22:25
WuCH1022 : 我猜高層輻散中心有優勢把低層中心拉進來 08/11 22:25
DoraBoy : 12Z定位應該是CWB最接近(24.8N 126.8E) 08/11 22:27
DoraBoy : 看渦度今天下午到傍晚其實有略為出現西南西路徑 08/11 22:27
DoraBoy : 應該是18W與其東南渦度交互影響之結果 08/11 22:28
DoraBoy : 目前暫時大概還是偏西行進... 08/11 22:28
DoraBoy : 晚點應該會漸漸轉西北西 08/11 22:29
DoraBoy : https://i.imgur.com/mYWvztJ.png 08/11 22:32
DoraBoy : 話說18W如果走到臺灣本島正北方(121.5E) 緯度還沒過 08/11 22:40
DoraBoy : 27N的話 就恰好擦海警的邊了 08/11 22:40
TenbeensWu : 19W破紀錄,這隻是年內最早的19W 08/11 22:46
TenbeensWu : 舊紀錄是1994年8月12日(後來重創浙江的弗瑞特) 08/11 22:46
TenbeensWu : 更正,弗雷特 08/11 22:47
TenbeensWu : 這也意味著今年進度超越了1994年 08/11 22:47
TenbeensWu : 96w路徑往南掉了,應該要出海了 08/11 22:56
DoraBoy : https://i.imgur.com/cRLpmBn.png 08/11 23:17
DoraBoy : 19W會不會太悲情 JMA連GW都不給? 08/11 23:18
aegis43210 : 史上最強TD? 08/11 23:19
DoraBoy : 不要等明天不小心爆發到100KTS才要升格... 08/11 23:19
vaughn : 菲東的低壓也開始建立中了,水球準備中 08/11 23:21
DoraBoy : 96W被取消TCFA 乾脆被18W吸過去當養分算了 08/11 23:26
DoraBoy : 然後兩者就互旋了...(誤XD) 08/11 23:27
DoraBoy : 已經進CWB雷達範圍 目前中心大概在24.9N 126.0E 08/11 23:43
DoraBoy : 個人粗略定位 https://i.imgur.com/pjwrOMQ.png 08/11 23:47
DoraBoy : 似乎有開始走西北西的跡象 08/11 23:48
aegis43210 : https://imgur.com/UvO4Mr1.jpg twrf06z 08/11 23:54
aegis43210 : 掠過宮古島後,加速往浙江前進,明晚登陸 08/11 23:54
aegis43210 : https://imgur.com/ive7sVx.jpg 08/11 23:58
aegis43210 : 史上最強TD19W?只有GFS看好強度 08/11 23:58
aegis43210 : 直接命名了,又一非正報命名,連GW都沒有… 08/12 00:02
DoraBoy : GFS 12Z預測19W 84小時候會開始往西南掉 大概又是 08/12 00:06
DoraBoy : 大概又是受到低壓帶的影響 08/12 00:07
aegis43210 : 等EC12Z,看EC對麗琵未來的預測如何? 08/12 00:09
chikorita : 弗雷特,本來會襲北台的,一夜之間轉往浙江 08/12 00:36