法属留尼旺近海热带气旋Belal - JTWC:90KT 西南印度洋

W 666 2024-01-11 12:12:10 2261

最新回复 (66)
  • ygsj24 W 2024-01-18 20:25:47
    0 引用 61
    WTIO30 FMEE 181238 
    RSMC / TROPICAL CYCLONE CENTER / LA REUNION 
    TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
    0.A WARNING NUMBER: 30/2/20232024
    1.A SEVERE TROPICAL STORM 2 (BELAL) 
    2.A POSITION 2024/01/18 AT 1200 UTC:
    WITHIN 20 NM RADIUS OF POINT 23.9 S / 66.1 E
    (TWENTY THREE DECIMAL NINE DEGREES SOUTH AND 
    SIXTY SIX DECIMAL ONE DEGREES EAST)
    MOVEMENT: EAST-SOUTH-EAST 5 KT
    3.A DVORAK ANALYSIS: 4.0/4.0/D 1.0/12 H
    4.A CENTRAL PRESSURE: 974 HPA
    5.A MAX AVERAGE WIND SPEED (10 MN): 55 KT
    RADIUS OF MAXIMUM WINDS (RMW): 41 KM
    6.A EXTENSION OF WIND BY QUADRANTS (KM):
    28 KT NE: 295 SE: 740 SW: 480 NW: 240
    34 KT NE: 185 SE: 220 SW: 185 NW: 150
    48 KT NE: 0 SE: 110 SW: 90 NW: 0
    64 KT NE: 0 SE: 0 SW: 0 NW: 0
    7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1005 HPA / 1200 KM
    8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP
    1.B FORECASTS (WINDS RADII IN KM):
    12H: 2024/01/19 00 UTC: 24.5 S / 66.6 E, VENT MAX= 050 KT, SEVERE TROPICAL STORM
    28 KT NE: 240 SE: 555 SW: 370 NW: 185
    34 KT NE: 150 SE: 185 SW: 150 NW: 0
    48 KT NE: 75 SE: 100 SW: 95 NW: 0
    24H: 2024/01/19 12 UTC: 24.9 S / 65.9 E, VENT MAX= 035 KT, MODERATE TROPICAL 
    STORM
    28 KT NE: 165 SE: 370 SW: 280 NW: 130
    34 KT NE: 0 SE: 150 SW: 130 NW: 0
    36H: 2024/01/20 00 UTC: 25.1 S / 64.6 E, VENT MAX= 025 KT, REMNANT LOW
    48H: 2024/01/20 12 UTC: 25.2 S / 63.2 E, VENT MAX= 030 KT, REMNANT LOW
    28 KT NE: 0 SE: 370 SW: 280 NW: 0
    60H: 2024/01/21 00 UTC: 25.4 S / 61.6 E, VENT MAX= 030 KT, REMNANT LOW
    28 KT NE: 0 SE: 425 SW: 335 NW: 0
    72H: 2024/01/21 12 UTC: 25.3 S / 59.9 E, VENT MAX= 030 KT, DISSIPATING
    28 KT NE: 0 SE: 480 SW: 405 NW: 0
    2.B LONGER-RANGE OUTLOOK:
    NIL
    2.C ADDITIONAL INFORMATION:
    T=CI=4.0-
    OVER THE PAST 6 HOURS, CONVECTION HAS REMAINED INTENSE NEAR BELAL'S 
    CENTER, WHERE STRONG THUNDERSTORM ACTIVITY HAS BEEN DETECTED 
    AROUND 12UTC. A 0951Z AMSR2 MICROWAVE PASS SHOWS AN IRREGULAR 
    CONVECTIVE RING AT BOTH 37 AND 89GHZ, WITH A MERIDIAN TILT BETWEEN BOTH 
    IMAGES, TESTIFYING ABOUT ONGOING SOUTHERLY SHEAR NEAR 30 KT BETWEEN 
    850 AND 400HPA LEVELS. HOWEVER, CONVENTIONAL SATELLITE IMAGERY HAS SO 
    FAR FAILED TO REVEAL THE EFFECTS OF THIS SHEAR, BUT THIS COULD BE THE 
    CASE BY TONIGHT, PARTICULARLY IN VIEW OF THE 1220Z GPM MICROWAVE IMAGE 
    WHICH SHOWS DECOUPLING OF CONVECTION TO THE NORTHEAST OF THE 
    LOW-LEVEL CENTER. THE ESTIMATED INTENSITY AT 55KT BASED ON MET/PT AND 
    MICROWAVE AMSR2 DATA IS RATHER UNCERTAIN IN THE ABSENCE OF 
    COMPLEMENTARY OBJECTIVE DATA. AFTER EXAMINATION OF THE SHEARED 
    STRUCTURE ON THE LAST GPM, THE CENTER'S POSITION ESTIMATED AT 12UTC 
    SEEMS A LITTLE TOO FAR EAST COMPARED WITH REALITY AND WILL BE REVISED 
    AFTERHAND (THE SURFACE CENTER SEEMS NOT TO HAVE CROSSED THE 66TH EAST 
    MERIDIAN AFTER ALL).
    BELAL'S TRACK SHOULD BEGIN A GRADUAL EASTWARD U-TURN THIS THURSDAY 
    NIGHT UNDER THE INFLUENCE OF CONTRADICTORY STEERING FLOWS DRIVEN BY 
    COMPETING RIDGES. THE EASTWARD MOVEMENT DRIVEN UP TO NOW BY THE 
    NEAR-EQUATORIAL RIDGE SHOULD GIVE WAY TO A WEST-SOUTHWESTWARD 
    MOVEMENT DRIVEN BY THE LOW TROPOSPHERE SUBTROPICAL RIDGE, ESPECIALLY
    AS THE SYSTEM WEAKENS ON FRIDAY. THERE IS STILL SOME UNCERTAINTY AS TO 
    THE TIMING OF THIS U-TURN.
    THE RECENT RENEWED INTENSIFICATION WAS TEMPORARY, AND A WEAKENING 
    TREND SHOULD RESUME ON THURSDAY NIGHT. INDEED, THE QUITE STRONG WIND 
    SHEAR SHOULD INJECT DRY AIR INTO THE SYSTEM'S CORE, AS HINTED BY RECENT 
    MICROWAVE DATA. A STEADY WEAKENING TREND IS THEREFORE FORECAST FROM 
    THURSDAY NIGHT INTO FRIDAY, WITH CONVECTION BEING EXPELLED 
    EAST/NORTH-EAST OF THE SYSTEM, LEADING BELAL TO WEAKEN TO REMNANT 
    LOW STAGE, WHICH SHOULD GRADUALLY FILL IN BY THIS WEEK-END.
    BELAL DOES NOT POSE ANY THREAT TO INHABITED LANDS.

    最后于 2024-01-18 22:15:00 被ygsj24编辑 ,原因:
  • ygsj24 W 2024-01-18 21:48:22
    0 引用 62
    WTXS31 PGTW 181500
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/TROPICAL CYCLONE 05S (BELAL) WARNING NR 013//
    RMKS/
    1. TROPICAL CYCLONE 05S (BELAL) WARNING NR 013    
       02 ACTIVE TROPICAL CYCLONES IN SOUTHIO
       MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
       WIND RADII VALID OVER OPEN WATER ONLY
        ---
       WARNING POSITION:
       181200Z --- NEAR 23.9S 65.6E
         MOVEMENT PAST SIX HOURS - 055 DEGREES AT 03 KTS
         POSITION ACCURATE TO WITHIN 025 NM
         POSITION BASED ON CENTER LOCATED BY SATELLITE
       PRESENT WIND DISTRIBUTION:
       MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
                                115 NM SOUTHEAST QUADRANT
                                105 NM SOUTHWEST QUADRANT
                                075 NM NORTHWEST QUADRANT
       REPEAT POSIT: 23.9S 65.6E
        ---
       FORECASTS:
       12 HRS, VALID AT:
       190000Z --- 23.7S 65.0E
       MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
                                120 NM SOUTHEAST QUADRANT
                                110 NM SOUTHWEST QUADRANT
                                040 NM NORTHWEST QUADRANT
       VECTOR TO 24 HR POSIT: 265 DEG/ 05 KTS
        ---
       24 HRS, VALID AT:
       191200Z --- 23.8S 63.9E
       MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
       RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                                110 NM SOUTHEAST QUADRANT
                                100 NM SOUTHWEST QUADRANT
                                040 NM NORTHWEST QUADRANT
       VECTOR TO 36 HR POSIT: 235 DEG/ 06 KTS
        ---
       36 HRS, VALID AT:
       200000Z --- 24.5S 62.7E
       MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
        ---
    REMARKS:
    181500Z POSITION NEAR 23.9S 65.5E.
    18JAN24. TROPICAL CYCLONE 05S (BELAL), LOCATED APPROXIMATELY 515
    NM EAST-SOUTHEAST OF PORT LOUIS, MAURITIUS, HAS TRACKED
    NORTHEASTWARD AT 03 KNOTS OVER THE PAST SIX HOURS.
    MINIMUM CENTRAL PRESSURE AT 181200Z IS 992 MB. 
    MAXIMUM SIGNIFICANT WAVE HEIGHT AT 181200Z IS 20 FEET. 
    NEXT WARNINGS AT 190300Z AND 191500Z.
    REFER TO TROPICAL CYCLONE 06S (ANGGREK) WARNINGS (WTXS32 PGTW)
    FOR TWELVE-HOURLY UPDATES.//
    NNNN

     

    WDXS31 PGTW 181500
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/PROGNOSTIC REASONING FOR TROPICAL CYCLONE 05S (BELAL) 
    WARNING NR 013//
    RMKS/
    1. FOR METEOROLOGISTS.
    2. 6 HOUR SUMMARY AND ANALYSIS.
    
    SUMMARY:
       INITIAL POSITION: 23.9S 65.6E
       INITIAL INTENSITY: 45 KTS
       GEOGRAPHIC REFERENCE: 515 NM EAST-SOUTHEAST OF PORT LOUIS,
                             MAURITIUS
       MOVEMENT PAST 6 HOURS: NORTHEASTWARD AT 03 KTS
       SIGNIFICANT WAVE HEIGHT: 20 FEET
    
    SATELLITE ANALYSIS, INITIAL POSITION AND INTENSITY DISCUSSION:
    ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY 
    EXPOSED LOW-LEVEL CIRCULATION (LLC) WITH DEEP CONVECTION BEGINNING TO 
    SHEAR TO THE EAST AND BECOME LESS ORGANIZED. AN 181210Z GMI 37 GHZ 
    MICROWAVE IMAGE REVEALS SHALLOW BANDING WRAPPING INTO A WELL-DEFINED 
    CENTER, WITH LIMITED DEEP CONVECTIVE BANDING OVER THE EASTERN 
    QUADRANT. THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE BASED 
    ON THE GMI MICROWAVE IMAGE. UPPER-LEVEL CONDITIONS ARE MARGINALLY 
    UNFAVORABLE DUE TO WEST-SOUTHWESTERLY UPPER-LEVEL WINDS AND 
    ASSOCIATED MODERATE TO HIGH VERTICAL WIND SHEAR. HOWEVER, STRONG 
    POLEWARD OUTFLOW IS FUELING DEEP CONVECTIVE BURSTS OVER THE EASTERN 
    SEMICIRCLE. THE INITIAL INTENSITY OF 45 KTS IS ASSESSED WITH MEDIUM 
    CONFIDENCE BASED ON THE KNES SUBJECTIVE DVORAK ESTIMATE AND CIMSS 
    OBJECTIVE ESTIMATES RANGING FROM 42-47 KTS.
    
    INITIAL WIND RADII BASIS: OBJECTIVE BEST TRACK 
    
    CURRENT STEERING MECHANISM: LOW TO MID-LEVEL SUBTROPICAL RIDGE
    (STR) POSITIONED TO THE SOUTH. 
    
    AGENCY DVORAK AND AUTOMATED FIXES: 
       PGTW: T3.5 - 55 KTS
       KNES: T3.0 - 45 KTS
       DEMS: T3.5 - 55 KTS
       CIMSS ADT: 47 KTS AT 180900Z
       CIMSS AIDT: 42 KTS AT 181230Z
       CIMSS DPRINT: 47 KTS AT 181300Z
       CIMSS DMINT: 42 KTS AT 181119Z
    
    FORECASTER ASSESSMENT OF CURRENT ENVIRONMENT: MARGINALLY UNFAVORABLE
       VWS: 20-25 KTS
       SST: 27-28 CELSIUS
       OUTFLOW: STRONG POLEWARD
       OTHER FACTORS: DRY AIR ENTRAINMENT
    
    ANALYSIS CONFIDENCE:
       INITIAL POSITION: HIGH
       INITIAL INTENSITY: MEDIUM
       INITIAL WIND RADII: LOW
    
    3. FORECAST REASONING.
    
    SIGNIFICANT FORECAST CHANGES: THERE ARE NO SIGNIFICANT CHANGES TO
    THE FORECAST FROM THE PREVIOUS WARNING.
    
    FORECAST DISCUSSION: TROPICAL CYCLONE (TC) 05S IS EXPECTED TO TRACK 
    WESTWARD ALONG THE NORTHERN PERIPHERY OF THE STR TO THE SOUTH UNTIL 
    AROUND TAU 24. AFTER TAU 24, O5S WILL TURN SOUTHWESTWARD AS THE RIDGE 
    REORIENTS DUE TO AN APPROACHING SHORTWAVE TROUGH. IN ADDITION TO 
    PERSISTENT VERTICAL WIND SHEAR, THE SYSTEM IS EXPECTED TO WEAKEN 
    STEADILY AS DRY AIR ENVELOPS THE SYSTEM. 
    
    MODEL DISCUSSION: NUMERICAL MODEL GUIDANCE IS IN GOOD AGREEMENT WITH 
    A 65 NM CROSS-TRACK SPREAD AT TAU 36. THE 180000Z ECMWF AND GFS 
    ENSEMBLES SUPPORT THE JTWC FORECAST TRACK WITH HIGH CONFIDENCE. THE 
    JTWC INTENSITY FORECAST IS SUPPORTED BY THE COAMPS-TC AND HAFS-A 
    GUIDANCE. 
    
    FORECAST CONFIDENCE:
       TRACK 0 - 72 HR: HIGH
       INTENSITY 0 - 72 HR: MEDIUM//
    NNNN
    最后于 2024-01-19 04:45:00 被ygsj24编辑 ,原因:
  • ygsj24 W 2024-01-19 04:05:00
    0 引用 63
    WTIO30 FMEE 181857 
    RSMC / TROPICAL CYCLONE CENTER / LA REUNION 
    TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
    0.A WARNING NUMBER: 31/2/20232024
    1.A MODERATE TROPICAL STORM 2 (BELAL) 
    2.A POSITION 2024/01/18 AT 1800 UTC:
    WITHIN 30 NM RADIUS OF POINT 23.9 S / 65.3 E
    (TWENTY THREE DECIMAL NINE DEGREES SOUTH AND 
    SIXTY FIVE DECIMAL THREE DEGREES EAST)
    MOVEMENT: WEST 4 KT
    3.A DVORAK ANALYSIS: 2.0/3.0/W 1.0/24 H
    4.A CENTRAL PRESSURE: 984 HPA
    5.A MAX AVERAGE WIND SPEED (10 MN): 40 KT
    RADIUS OF MAXIMUM WINDS (RMW): 46 KM
    6.A EXTENSION OF WIND BY QUADRANTS (KM):
    28 KT NE: 295 SE: 480 SW: 555 NW: 240
    34 KT NE: 100 SE: 185 SW: 175 NW: 95
    48 KT NE: 0 SE: 0 SW: 0 NW: 0
    64 KT NE: 0 SE: 0 SW: 0 NW: 0
    7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1005 HPA / 1200 KM
    8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: MEDIUM
    1.B FORECASTS (WINDS RADII IN KM):
    12H: 2024/01/19 06 UTC: 23.7 S / 64.3 E, VENT MAX= 030 KT, REMNANT LOW
    28 KT NE: 175 SE: 315 SW: 285 NW: 130
    24H: 2024/01/19 18 UTC: 23.9 S / 63.0 E, VENT MAX= 025 KT, REMNANT LOW
    36H: 2024/01/20 06 UTC: 24.7 S / 61.5 E, VENT MAX= 020 KT, DISSIPATING
    48H: 2024/01/20 18 UTC: 25.9 S / 59.3 E, VENT MAX= 020 KT, DISSIPATING
    2.B LONGER-RANGE OUTLOOK:
    NIL
    2.C ADDITIONAL INFORMATION:
    OBASED ON SSMIS MICROWAVE IMAGES FROM 1314Z AND 1350Z AND THE GPM 
    FROM 1208, THE 12Z POINT HAS BEEN SHIFTED FURTHER WEST, HIGHLIGHTING 
    BELAL'S NEW COURSE. IN ADDITION, MAX WIND INTENSITY WAS REVISED 
    SLIGHTLY DOWNWARDS TO 50KT.
    OVER THE LAST 6 HOURS, THE SYSTEM HAS BEEN SUBJECTED TO 
    MID-TROPOSPHERIC WESTERLY WIND SHEAR (17KT ANALYZED BY CIMSS) AND DRY 
    AIR INTRUSION. THESE ELEMENTS HAVE GREATLY ATTENUATED THE CONVECTION 
    ASSOCIATED WITH THE SYSTEM, WHICH IS MUCH SHALLOWER OR EVEN ALMOST 
    ABSENT AT 18Z. MICROWAVE IMAGES ALSO CONFIRM THIS DECREASE IN 
    CONVECTIVE ACTIVITY, PUSHING THE CONVECTION STILL PRESENT TO THE 
    NORTHEAST OF THE CENTER. THIS ABSENCE OF CONVECTION MAKES DVORAK 
    ANALYSIS DIFFICULT, BUT BASED ON AN ESTIMATE OF MET/PT, WE OBTAIN A FINAL 
    T OF 2.0. THE INTENSITY OF THE SYSTEM IS THEREFORE ESTIMATED AT 40KT. 
    IN TERMS OF TRACK, WITH THE REPOSITIONING OF THE CENTER AT 12Z, THE TRACK
    HAS BEEN SIGNIFICANTLY ALTERED, GIVEN THAT THE WESTWARD SHIFT HAD 
    ALREADY TAKEN PLACE. WITH THE WEAKENING OF THE SYSTEM, THE STEERING 
    FLOWS DRIVING BELAL'S TRACK ARE NOW MORE IN THE MID-TROPOSPHERE (700 
    OR EVEN 850HPA). THE SYSTEM WILL THEREFORE MOVE WESTWARDS UNDER THE 
    INFLUENCE OF THE LOW TROPOSPHERE SUBTROPICAL RIDGE, THEN 
    SOUTH-WESTWARDS AS THIS RIDGE SHIFTS EASTWARDS.
    IN TERMS OF INTENSITY, BELAL IS CONFRONTED WITH MODERATE TO FAIRLY 
    STRONG SHEAR, WHICH WILL INJECT MORE DRY AIR OVER THE HEART OF THE 
    SYSTEM. THE WEAKENING WILL THEREFORE CONTINUE OVER THE NEXT FEW 
    HOURS, LEADING BELAL TO BECOME A REMNANT LOW WITHIN 12 TO 24 HOURS, 
    BEFORE GRADUALLY FILLING IN OVER THE NEXT 48 HOURS.
    BELAL POSES NO THREAT TO INHABITED LAND.

  • ygsj24 W 2024-01-19 18:40:00
    0 引用 64
    WTIO30 FMEE 190024
    RSMC / TROPICAL CYCLONE CENTER / LA REUNION
    TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
    
    0.A WARNING NUMBER: 32/2/20232024
    1.A REMNANT LOW 2 (BELAL)
    
    2.A POSITION 2024/01/19 AT 0000 UTC:
    WITHIN 20 NM RADIUS OF POINT 23.6 S / 64.5 E
    (TWENTY THREE    DECIMAL SIX   DEGREES SOUTH AND
    SIXTY FOUR    DECIMAL FIVE   DEGREES EAST)
    MOVEMENT: WEST 4 KT
    
    3.A DVORAK ANALYSIS: NIL
    4.A CENTRAL PRESSURE: 998 HPA
    5.A MAX AVERAGE WIND SPEED (10 MN): 30 KT
    RADIUS OF MAXIMUM WINDS (RMW): NIL
    
    6.A EXTENSION OF WIND BY QUADRANTS (KM):
    28 KT NE: 0 SE: 315 SW: 315 NW: 0
    
    7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1005 HPA / 1000 KM
    8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: SHALLOW
    
    1.B FORECASTS (WINDS RADII IN KM):
    12H: 2024/01/19 12 UTC: 23.7 S / 63.5 E, VENT MAX= 025 KT, REMNANT
    LOW
    
    24H: 2024/01/20 00 UTC: 24.3 S / 62.4 E, VENT MAX= 025 KT, REMNANT
    LOW
    
    36H: 2024/01/20 12 UTC: 25.3 S / 60.6 E, VENT MAX= 025 KT,
    DISSIPATING
    
    
    
    
    2.B LONGER-RANGE OUTLOOK:
    NIL
    
    
    2.C ADDITIONAL INFORMATION:
    OVER THE PAST 6 HOURS, UNFAVORABLE ENVIRONMENTAL CONDITIONS
    (MID-TROPOSPHERE WIND SHEAR, DRY AIR INTRUSION AND COOLER WATERS)
    HAVE BEEN FATAL TO THE BELAL SYSTEM. THE MICROWAVE IMAGE OF 2031Z
    SHOWS THE ABSENCE OF CONVECTIVE ACTIVITY AROUND THE CENTER AND AN
    OPEN EYE TO THE NORTH AND SOUTH. ON SATELLITE IMAGERY, ONLY A
    LOW-LEVEL VORTEX IS STILL VISIBLE. THE SYSTEM HAS THEREFORE RETURNED
    TO THE RESIDUAL DEPRESSION STAGE, WITH MAXIMUM WINDS OF 30KT.
    
    IN TERMS OF TRACK, WITH THE WEAKENING OF THE SYSTEM, THE STEERING
    FLOWS DRIVING BELAL'S TRAJECTORY ARE NOW MORE IN THE LOWER LAYERS
    (850HPA). THE SYSTEM WILL THEREFORE HEAD WESTWARD UNDER THE INFLUENCE
    OF THE LOW-TROPOSPHERE SUBTROPICAL RIDGE, THEN SOUTHWESTWARD AS THIS
    RIDGE SHIFTS EASTWARD.
    
    IN TERMS OF INTENSITY, BELAL WILL CONTINUE TO FILL IN GRADUALLY OVER
    THE NEXT FEW HOURS, WITH NO FURTHER INTENSIFICATION FORECAST.
    
    BELAL POSES NO THREAT TO INHABITED LAND.
    
    LAST BULLETIN UNLESS RE-INTENSIFICATION ISSUED BY RSMC LA REUNION
    REGARDS THIS SYSTEM. FURTHER INFORMATION ON THIS SYSTEM WILL BE
    AVAILABLE IN THE DAILY BULLETIN ON TROPICAL WEATHER CONDITIONS OVER
    THE SOUTHWEST INDIAN OCEAN ISSUED AT 12Z (AWIO20 FMEE).=

  • ygsj24 W 2024-01-19 18:40:00
    0 引用 65
    WTXS31 PGTW 190300
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/TROPICAL CYCLONE 05S (BELAL) WARNING NR 014//
    RMKS/
    1. TROPICAL CYCLONE 05S (BELAL) WARNING NR 014    
       02 ACTIVE TROPICAL CYCLONES IN SOUTHIO
       MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
       WIND RADII VALID OVER OPEN WATER ONLY
        ---
       WARNING POSITION:
       190000Z --- NEAR 23.3S 64.6E
         MOVEMENT PAST SIX HOURS - 305 DEGREES AT 05 KTS
         POSITION ACCURATE TO WITHIN 030 NM
         POSITION BASED ON CENTER LOCATED BY SATELLITE
       PRESENT WIND DISTRIBUTION:
       MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
       RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                                090 NM SOUTHEAST QUADRANT
                                085 NM SOUTHWEST QUADRANT
                                065 NM NORTHWEST QUADRANT
       REPEAT POSIT: 23.3S 64.6E
        ---
       FORECASTS:
       12 HRS, VALID AT:
       191200Z --- 23.5S 63.6E
       MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
       VECTOR TO 24 HR POSIT: 245 DEG/ 06 KTS
        ---
       24 HRS, VALID AT:
       200000Z --- 24.0S 62.4E
       MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
       WIND RADII VALID OVER OPEN WATER ONLY
       DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
        ---
    REMARKS:
    190300Z POSITION NEAR 23.4S 64.3E. 19JAN24. 
    TROPICAL CYCLONE 05S (BELAL), LOCATED APPROXIMATELY 
    450 NM EAST-SOUTHEAST OF PORT LOUIS, MAURITIUS, HAS TRACKED
    NORTHWESTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. OVER THE 
    PREVIOUS 12 HOURS, TROPICAL CYCLONE (TC) 05S HAS UNDERGONE
    SIGNIFICANT WEAKENING AND EROSION AS THE MAIN CONVECTION WAS SHEARED 
    150+ NM FROM AND FULLY EXPOSING THE LLCC, AS OBSERVED ON ANIMATED 
    ENHANCED INFRARED (EIR) SATELLITE IMAGERY, RESULTING IN A COMPLETE
    LOSS OF CONVECTIVE SUPPORT THROUGH STRONG (25-30KT) RELATIVE 
    VERTICAL WIND SHEAR (VWS) AND DRY AIR ENTRAINMENT WRAPPING INTO THE
    CIRCULATION CENTER. THE UNFAVORABLE ENVIRONMENTAL CONDITIONS ARE
    EXPECTED TO PERSIST, RESULTING IN DISSIPATION BY TAU 12 OR SOONER. 
    2. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON 
    WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS 
    OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190000Z IS 17 
    FEET. REFER TO TROPICAL CYCLONE 06S (ANGGREK) WARNINGS (WTXS32 PGTW) 
    FOR TWELVE-HOURLY UPDATES.//
    NNNN

  • ygsj24 W 2024-01-19 18:40:00
    0 引用 66

    全球热带气旋监测公报

    预报:渠鸿宇  签发:高拴柱  2024 年 01 月 19 日 10

    “贝拉尔”向偏西方向移动

    时       间:19日08时(北京时)

    海       域:南印度洋

    命       名:“贝拉尔”,BELAL

    中心位置:南纬23.6度、东经64.5度

    强度等级:热带低压

    最大风力:7级(15米/秒,相当于我国的热带低压)

    中心气压:998百帕

    参考位置:毛里求斯路易港东偏南方向约820公里的洋面上

    变化过程:过去24小时,“贝拉尔”由8级减弱到7级

    预报结论:“贝拉尔”将以每小时5-10公里的速度向偏西方向缓慢移动,强度变化不大。

    (这是关于“贝拉尔”的最后一期监测公报)

    图2 卫星红外监测图像(北京时间2024年01月19日08时00分)

  • ygsj24 W 2024-01-21 19:30:00
    0 引用 67

    最后于 2024-02-04 20:00:01 被ygsj24编辑 ,原因:
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