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MJO pulse forecast to help development of INVEST 99B and INVEST 965S within the next several days// 2406utc



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JTWC IS STILL ISSUING 3HOURLY SATELLITE BULLETINS ON THE REMNANTS OF 02S(BHEKI).
JTWC IS STILL ISSUING 3HOURLY SATELLITE BULLETINS ON THE REMNANTS OF 02S(BHEKI).


NORTH INDIAN OCEAN/BAY OF BENGAL: INVEST 99B

THE AREA OF CONVECTION (INVEST 99B) PREVIOUSLY LOCATED NEAR  4.4N 92.3E IS NOW LOCATED NEAR 5.0N 88.4E, APPROXIMATELY 439 NM SOUTH- SOUTHWEST OF PORT BLAIR. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY  (EIR) SHOWS THE SYSTEM STILL STRUGGLING TO FOCUS AND CONSOLIDATE, BUT  THE ENERGY IN THE MONSOON TROF HAS INCREASED, WITH CONVECTION  SPREADING ALL THE WAY FROM THE MALAYSIAN PENINSULA TO OVER SRI LANKA.  THE SYSTEM IS BEING DRIVEN BY A VIGOROUS WESTERLY WIND BURST ALONG THE  EQUATOR AND IS PAIRED WITH ITS TWIN CYCLONE IN THE SOUTHERN  HEMISPHERE, INVEST 96S. THE ENVIRONMENT AROUND THE SYSTEM IS FAVORABLE  FOR CONTINUED SLOW DEVELOPMENT LOW VERTICAL WIND SHEAR OF 10-15KTS,  GOOD UPPER-LEVEL POLEWARD OUTFLOW AND WARM SEA SURFACE TEMPERATURES OF  29-30 C. THE MJO PULSE PROVIDING THE ENERGY IS EXPECTED TO LINGER OVER  THE FAR EASTERN INDIAN OCEAN FOR ANOTHER FEW DAYS BEFORE TRACKING OVER  THE MARITIME CONTINENT. GLOBAL DETERMINISTIC MODELS ARE IN GOOD  AGREEMENT THAT INVEST 99B WILL CONTINUE TO SLOWLY CONSOLIDATE AS IT  TRACKS TOWARDS THE SOUTHEASTERN COAST OF INDIA. MAXIMUM SUSTAINED  SURFACE WINDS ARE ESTIMATED AT 13 TO 18 KNOTS. MINIMUM SEA LEVEL  PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE  DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS  REMAINS LOW.
THE AREA OF CONVECTION (INVEST 99B) PREVIOUSLY LOCATED NEAR 4.4N 92.3E IS NOW LOCATED NEAR 5.0N 88.4E, APPROXIMATELY 439 NM SOUTH- SOUTHWEST OF PORT BLAIR. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY (EIR) SHOWS THE SYSTEM STILL STRUGGLING TO FOCUS AND CONSOLIDATE, BUT THE ENERGY IN THE MONSOON TROF HAS INCREASED, WITH CONVECTION SPREADING ALL THE WAY FROM THE MALAYSIAN PENINSULA TO OVER SRI LANKA. THE SYSTEM IS BEING DRIVEN BY A VIGOROUS WESTERLY WIND BURST ALONG THE EQUATOR AND IS PAIRED WITH ITS TWIN CYCLONE IN THE SOUTHERN HEMISPHERE, INVEST 96S. THE ENVIRONMENT AROUND THE SYSTEM IS FAVORABLE FOR CONTINUED SLOW DEVELOPMENT LOW VERTICAL WIND SHEAR OF 10-15KTS, GOOD UPPER-LEVEL POLEWARD OUTFLOW AND WARM SEA SURFACE TEMPERATURES OF 29-30 C. THE MJO PULSE PROVIDING THE ENERGY IS EXPECTED TO LINGER OVER THE FAR EASTERN INDIAN OCEAN FOR ANOTHER FEW DAYS BEFORE TRACKING OVER THE MARITIME CONTINENT. GLOBAL DETERMINISTIC MODELS ARE IN GOOD AGREEMENT THAT INVEST 99B WILL CONTINUE TO SLOWLY CONSOLIDATE AS IT TRACKS TOWARDS THE SOUTHEASTERN COAST OF INDIA. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 13 TO 18 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW.

TC Ensemble Forecasts

GLOBAL DETERMINISTIC MODELS ARE IN GOOD  AGREEMENT THAT INVEST 99B WILL CONTINUE TO SLOWLY CONSOLIDATE AS IT  TRACKS TOWARDS THE SOUTHEASTERN COAST OF INDIA.
GLOBAL DETERMINISTIC MODELS ARE IN GOOD AGREEMENT THAT INVEST 99B WILL CONTINUE TO SLOWLY CONSOLIDATE AS IT TRACKS TOWARDS THE SOUTHEASTERN COAST OF INDIA.


SOUTHERN HEMISPHERE/SOUTH INDIAN OCEAN: INVEST 96S

AN AREA OF CONVECTION (INVEST 96S) HAS PERSISTED NEAR 8.2S  92.5E, APPROXIMATELY 350 NM NORTHWEST OF COCOS ISLAND. ANIMATED  ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS A POORLY-ORGANIZED,  YET CONSOLIDATING LLCC. THE SYSTEM IS BEING DRIVEN BY A VIGOROUS  WESTERLY WIND BURST ALONG THE EQUATOR AND IS PAIRED WITH ITS TWIN  CYCLONE IN THE NORTHERN HEMISPHERE, INVEST 99B. TOTAL PRECIPITABLE  WATER LOOPS SHOW AMPLE DEEP MOISTURE FEEDING INTO THE SYSTEM FROM ALL  SIDES AND THERE IS A GENERALLY FAVORABLE ENVIRONMENT TO SUSTAIN THE  SYSTEM INCLUDING VERTICAL WIND SHEAR VALUES BELOW 10KTS OVER THE  DEVELOPING SOUTHERN HEMISPHERE MONSOON TROUGH. ENVIRONMENTAL ANALYSIS  REVEALS A FAVORABLE ENVIRONMENT FOR FURTHER DEVELOPMENT. THE MJO PULSE  PROVIDING THE ENERGY IS EXPECTED TO LINGER OVER THE FAR EASTERN INDIAN  OCEAN FOR ANOTHER FEW DAYS BEFORE TRACKING OVER THE MARITIME CONTINENT  AND  BOTH ENSEMBLE AND DETERMINISTIC GUIDANCE INDICATE VERY SLOW  DEVELOPMENT OVER THE NEXT FEW DAYS. MAXIMUM SUSTAINED SURFACE WINDS  ARE ESTIMATED AT 15 TO 20 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 LOW.
AN AREA OF CONVECTION (INVEST 96S) HAS PERSISTED NEAR 8.2S 92.5E, APPROXIMATELY 350 NM NORTHWEST OF COCOS ISLAND. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS A POORLY-ORGANIZED, YET CONSOLIDATING LLCC. THE SYSTEM IS BEING DRIVEN BY A VIGOROUS WESTERLY WIND BURST ALONG THE EQUATOR AND IS PAIRED WITH ITS TWIN CYCLONE IN THE NORTHERN HEMISPHERE, INVEST 99B. TOTAL PRECIPITABLE WATER LOOPS SHOW AMPLE DEEP MOISTURE FEEDING INTO THE SYSTEM FROM ALL SIDES AND THERE IS A GENERALLY FAVORABLE ENVIRONMENT TO SUSTAIN THE SYSTEM INCLUDING VERTICAL WIND SHEAR VALUES BELOW 10KTS OVER THE DEVELOPING SOUTHERN HEMISPHERE MONSOON TROUGH. ENVIRONMENTAL ANALYSIS REVEALS A FAVORABLE ENVIRONMENT FOR FURTHER DEVELOPMENT. THE MJO PULSE PROVIDING THE ENERGY IS EXPECTED TO LINGER OVER THE FAR EASTERN INDIAN OCEAN FOR ANOTHER FEW DAYS BEFORE TRACKING OVER THE MARITIME CONTINENT AND BOTH ENSEMBLE AND DETERMINISTIC GUIDANCE INDICATE VERY SLOW DEVELOPMENT OVER THE NEXT FEW DAYS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 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 LOW.

TC Ensemble Forecasts

BOTH ENSEMBLE AND DETERMINISTIC GUIDANCE INDICATE VERY SLOW  DEVELOPMENT OVER THE NEXT FEW DAYS.
BOTH ENSEMBLE AND DETERMINISTIC GUIDANCE INDICATE VERY SLOW DEVELOPMENT OVER THE NEXT FEW DAYS.


Rédigé par PATRICK HOAREAU le Sunday, November 24th 2024 à 12:25