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Invest 96B: TCFA// Invest 96S has not surrendered yet//Invest 92W//Invest 99L// 06/09utc



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JTWC IS ISSUING 3HOURLY SATELLITE BULLETINS ON INVEST 96B AND INVEST 96S.
JTWC IS ISSUING 3HOURLY SATELLITE BULLETINS ON INVEST 96B AND INVEST 96S.


NORTH INDIAN OCEAN/BOB: INVEST 96B. ESTIMATED LOCATION AND INTENSITY AT 06/06UTC.

IO, 96, 2022120418,64N,  969E,  20, 1007, DB
IO, 96, 2022120500,68N,  956E,  20, 1006, DB
IO, 96, 2022120506,72N,  943E,  20, 1005, DB
IO, 96, 2022120512,75N,  927E,  25, 1004, TD
IO, 96, 2022120518,75N,  914E,  25, 1004, TD
IO, 96, 2022120600,76N,  903E,  25, 1003, TD
IO, 96, 2022120606,76N,  890E,  25, 1003, TD
96b_060800sair.jpg 96B_060800sair.jpg  (567.08 KB)

TROPICAL CYCLONE FORMATION ALERT ISSUED AT 06/0830UTC.

THE AREA OF CONVECTION (INVEST 96B) PREVIOUSLY LOCATED NEAR  7.7N 91.2E IS NOW LOCATED NEAR 7.6N 89.0E, APPROXIMATELY 608 NM EAST- SOUTHEAST OF CHENNAI, INDIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY  (MSI) DEPICT A CONSOLIDATING LOW LEVEL CIRCULATION CENTER (LLCC) WHICH  IS BEING PARTIALLY OBSCURED BY FLARING CONVECTIVE ACTIVITY, WHICH  BEGINNING TO EXHIBIT FORMATIVE WRAPPING. A 06230Z SCATTEROMETER PASS  REVEALED A WELL-DEFINED CIRCULATION CENTER WITH 25-30 KNOT WINDS  SURROUNDING THE LLCC, AND PROVIDING GOOD CONFIDENCE TO BOTH THE  POSITION AND INTENSITY ESTIMATES. ENVIRONMENTAL ANALYSIS REVEALS  FAVORABLE CONDITIONS FOR FURTHER DEVELOPMENT WITH GOOD POLEWARD AND  WESTWARD DIVERGENT OUTFLOW ALOFT, WARM (29C) SEA SURFACE TEMPERATURES  (SST), AND LOW TO MODERATE (15-20KT) VERTICAL WINDSHEAR (VWS) ON THE  EASTERN SIDE OF THE SYSTEM. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT  96B WILL CONTINUE ON A NORTH-NORTHWESTWARD TRACK TOWARDS THE  SOUTHEASTERN COAST OF INDIA WHILE GRADUALLY INTENSIFYING UP TO TROPICAL  STORM STRENGTH WITHIN THE NEXT 24-36 HOURS. MAXIMUM SUSTAINED SURFACE  WINDS ARE ESTIMATED AT 27 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS  ESTIMATED TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A  SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO  HIGH.
THE AREA OF CONVECTION (INVEST 96B) PREVIOUSLY LOCATED NEAR 7.7N 91.2E IS NOW LOCATED NEAR 7.6N 89.0E, APPROXIMATELY 608 NM EAST- SOUTHEAST OF CHENNAI, INDIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICT A CONSOLIDATING LOW LEVEL CIRCULATION CENTER (LLCC) WHICH IS BEING PARTIALLY OBSCURED BY FLARING CONVECTIVE ACTIVITY, WHICH BEGINNING TO EXHIBIT FORMATIVE WRAPPING. A 06230Z SCATTEROMETER PASS REVEALED A WELL-DEFINED CIRCULATION CENTER WITH 25-30 KNOT WINDS SURROUNDING THE LLCC, AND PROVIDING GOOD CONFIDENCE TO BOTH THE POSITION AND INTENSITY ESTIMATES. ENVIRONMENTAL ANALYSIS REVEALS FAVORABLE CONDITIONS FOR FURTHER DEVELOPMENT WITH GOOD POLEWARD AND WESTWARD DIVERGENT OUTFLOW ALOFT, WARM (29C) SEA SURFACE TEMPERATURES (SST), AND LOW TO MODERATE (15-20KT) VERTICAL WINDSHEAR (VWS) ON THE EASTERN SIDE OF THE SYSTEM. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96B WILL CONTINUE ON A NORTH-NORTHWESTWARD TRACK TOWARDS THE SOUTHEASTERN COAST OF INDIA WHILE GRADUALLY INTENSIFYING UP TO TROPICAL STORM STRENGTH WITHIN THE NEXT 24-36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 27 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH.

GLOBAL MODELS ARE IN GOOD AGREEMENT THAT  96B WILL CONTINUE ON A NORTH-NORTHWESTWARD TRACK TOWARDS THE  SOUTHEASTERN COAST OF INDIA WHILE GRADUALLY INTENSIFYING UP TO TROPICAL  STORM STRENGTH WITHIN THE NEXT 24-36 HOURS.
GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96B WILL CONTINUE ON A NORTH-NORTHWESTWARD TRACK TOWARDS THE SOUTHEASTERN COAST OF INDIA WHILE GRADUALLY INTENSIFYING UP TO TROPICAL STORM STRENGTH WITHIN THE NEXT 24-36 HOURS.


WESTERN NORTH PACIFIC: INVEST 92W. ESTIMATED LOCATION AND INTENSITY AT 06/06UTC.

WP, 92, 2022120500,17N, 1442E,  15, 1010, DB
WP, 92, 2022120506,22N, 1446E,  15, 1010, DB
WP, 92, 2022120512,23N, 1434E,  15, 1010, DB
WP, 92, 2022120518,25N, 1424E,  15, 1010, DB
WP, 92, 2022120600,27N, 1413E,  15, 1010, DB
WP, 92, 2022120606,28N, 1403E,  15, 1005, DB


SOUTH INDIAN OCEAN: INVEST 96S. ESTIMATED LOCATION AND INTENSITY AT 06/06UTC.

ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICT FLARING  CONVECTION COMPLETELY OBSCURING THE LOW LEVEL CIRCULATION CENTER  (LLCC). A 06433Z ASCAT METOP-B SCATTEROMETER BULLSEYE REVEALED A  WINDFIELD OF 25-30 KNOT WINDS ON THE EASTERN AND SOUTHEASTERN PERIPHERY  OF THE PRESUMED LLCC. ENVIRONMENTAL ANALYSIS REVEALS MODERATE  CONDITIONS FOR FURTHER DEVELOPMENT WITH WEAK RADIAL OUTFLOW ALOFT AIDED  BY A SMALL POINT SOURCE ABOVE IT AND AN UPPER LEVEL LOW TO THE SOUTH,  WARM (27-29C) SEA SURFACE TEMPERATURES (SST), AND LOW TO MODERATE (15- 20KT) VERTICAL WINDSHEAR (VWS). GLOBAL MODELS ARE IN GOOD AGREEMENT  THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY  INTENSE DRY AIR ENTRAINMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE  ESTIMATED AT 23 TO 27 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO  BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A  SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO  LOW.
ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICT FLARING CONVECTION COMPLETELY OBSCURING THE LOW LEVEL CIRCULATION CENTER (LLCC). A 06433Z ASCAT METOP-B SCATTEROMETER BULLSEYE REVEALED A WINDFIELD OF 25-30 KNOT WINDS ON THE EASTERN AND SOUTHEASTERN PERIPHERY OF THE PRESUMED LLCC. ENVIRONMENTAL ANALYSIS REVEALS MODERATE CONDITIONS FOR FURTHER DEVELOPMENT WITH WEAK RADIAL OUTFLOW ALOFT AIDED BY A SMALL POINT SOURCE ABOVE IT AND AN UPPER LEVEL LOW TO THE SOUTH, WARM (27-29C) SEA SURFACE TEMPERATURES (SST), AND LOW TO MODERATE (15- 20KT) VERTICAL WINDSHEAR (VWS). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY INTENSE DRY AIR ENTRAINMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 27 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO LOW.
SH, 96, 2022120106,93S,  661E,  15, 1006, DB
SH, 96, 2022120112,95S,  658E,  15, 1006, DB
SH, 96, 2022120118,97S,  654E,  20, 1006, DB
SH, 96, 2022120200,100S, 651E,  25, 1004, TD
SH, 96, 2022120206,104S, 649E,  25, 1006, TD
SH, 96, 2022120212,107S, 649E,  20, 1007, DB
SH, 96, 2022120218,111S, 650E,  15, 1008, DB
SH, 96, 2022120300,115S, 651E,  15, 1007, DB
SH, 96, 2022120306,119S, 653E,  15, 1006, DB
SH, 96, 2022120312,123S, 654E,  15, 1006, DB
SH, 96, 2022120318,126S, 653E,  15, 1010, DB
SH, 96, 2022120400,128S, 648E,  15, 1007, DB
SH, 96, 2022120406,128S, 642E,  15, 1007, DB
SH, 96, 2022120412,128S, 639E,  15, 1007, DB
SH, 96, 2022120418,126S, 635E,  15, 1007, DB
SH, 96, 2022120500,123S, 635E,  15, 1007, DB
SH, 96, 2022120506,122S, 638E,  15, 1007, DB
SH, 96, 2022120512,124S, 641E,  15, 1007, DB
SH, 96, 2022120518,121S, 646E,  15, 1007, DB
SH, 96, 2022120600,117S, 648E,  15, 1006, DB
SH, 96, 2022120606,114S, 653E,  25, 1004, TD

GLOBAL MODELS ARE IN GOOD AGREEMENT  THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY  INTENSE DRY AIR ENTRAINMENT.
GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY INTENSE DRY AIR ENTRAINMENT.

GLOBAL MODELS ARE IN GOOD AGREEMENT  THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY  INTENSE DRY AIR ENTRAINMENT.
GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96S WILL CONTINUE ON A WESTWARD TRACK AND SLOWLY BE ENGULFED BY INTENSE DRY AIR ENTRAINMENT.


NORTH ATLANTIC OCEAN: INVEST 99L. ESTIMATED LOCATION AND INTENSITY AT 06/06UTC. NHC COMMENTS.

Special Tropical Weather Outlook NWS National Hurricane Center Miami FL 830 PM EST Mon Dec 5 2022  For the North Atlantic...Caribbean Sea and the Gulf of Mexico:  Special Tropical Weather Outlook issued to discuss the potential for  subtropical development this week over the central Atlantic.  1. Central Subtropical Atlantic: A large and complex area of low pressure located over the central  subtropical Atlantic about 800 miles northeast of the northern  Leeward Islands continues to produce a broad area of disorganized  showers and thunderstorms.  Environmental conditions appear  conducive for this system to acquire some subtropical or tropical  characteristics while it meanders generally northeastward during the  next few days.  By Friday, the low is expected to move over cooler  waters and interact with a mid-latitude trough, limiting potential  of tropical transition after that time.  Additional information on  this system, including gale warnings, can be found in High Seas  Forecasts issued by the National Weather Service.  The next Special  Tropical Weather Outlook on this system will be issued by 9 AM EST  Tuesday, or earlier, if necessary. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...50 percent.  High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01  KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php  Forecaster Papin
Special Tropical Weather Outlook NWS National Hurricane Center Miami FL 830 PM EST Mon Dec 5 2022 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Special Tropical Weather Outlook issued to discuss the potential for subtropical development this week over the central Atlantic. 1. Central Subtropical Atlantic: A large and complex area of low pressure located over the central subtropical Atlantic about 800 miles northeast of the northern Leeward Islands continues to produce a broad area of disorganized showers and thunderstorms. Environmental conditions appear conducive for this system to acquire some subtropical or tropical characteristics while it meanders generally northeastward during the next few days. By Friday, the low is expected to move over cooler waters and interact with a mid-latitude trough, limiting potential of tropical transition after that time. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. The next Special Tropical Weather Outlook on this system will be issued by 9 AM EST Tuesday, or earlier, if necessary. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...50 percent. High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php Forecaster Papin

AL, 99, 2022120412,238N,  617W,  25, 1006, DB
AL, 99, 2022120418,240N,  608W,  25, 1005, DB
AL, 99, 2022120500,242N,  598W,  25, 1005, DB
AL, 99, 2022120506,244N,  589W,  30, 1004, DB
AL, 99, 2022120512,249N,  579W,  30, 1004, DB
AL, 99, 2022120518,253N,  571W,  35, 1002, DB
AL, 99, 2022120600,254N,  563W,  35, 1001, DB
AL, 99, 2022120606,254N,  555W,  35, 1001, LO



Rédigé par PATRICK HOAREAU le Tuesday, December 6th 2022 à 12:51