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Western North Pacific: Invest 90W is up-graded to Medium, Invest 99W closely monitored too, 28/03utc update


NPP/NIGHT TIME VISIBLE. INVEST 90W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS FLARING CONVECTION AND LOW LEVEL CLOUD LINES THAT WRAP INTO AN OBSCURED LOW LEVEL CENTER// INVEST 99W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS FLARING DEEP CONVECTION OVER A POORLY DEFINED LOW LEVEL CIRCULATION.


NPP/NIGHT TIME VISIBLE. INVEST 90W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY  DEPICTS FLARING CONVECTION AND LOW LEVEL CLOUD LINES THAT WRAP INTO  AN OBSCURED LOW LEVEL CENTER// INVEST 99W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS  FLARING DEEP CONVECTION OVER A POORLY DEFINED LOW LEVEL CIRCULATION.
NPP/NIGHT TIME VISIBLE. INVEST 90W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS FLARING CONVECTION AND LOW LEVEL CLOUD LINES THAT WRAP INTO AN OBSCURED LOW LEVEL CENTER// INVEST 99W: ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS FLARING DEEP CONVECTION OVER A POORLY DEFINED LOW LEVEL CIRCULATION.
2021 MAY 28 0340UTC #WESTERNNORTHPACIFIC
INVEST #90W
UPDATE
As of 00:00 UTC May 28, 2021:
Location: 5.7°N 154.3°E
Maximum Winds: 20 kt
Minimum Central Pressure: 1007 mb
LOCATED AT 28/00UTC APPROXIMATELY 880 KM SOUTHEAST OF CHUUK.
CURRENT POTENTIAL FOR THE NEXT 24HOURS: UP-GRADED TO MEDIUM
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INVEST #99W
UPDATE
As of 00:00 UTC May 28, 2021:
Location: 7.4°N 145.8°E
Maximum Winds: 20 kt
Minimum Central Pressure: 1007 mb
LOCATED AT 28/00UTC APPROXIMATELY 670 KM WEST OF CHUUK.
CURRENT POTENTIAL FOR THE NEXT 24HOURS:  LOW

Cheers,
Patrick Hoareau
M974World
ILES SOEURS
Cyclone Class 4
 Cheers,PH.

Joint Typhoon Warning Center

INVEST 90W. THE ENVIRONMENT IS FAVORABLE FOR FURTHER DEVELOPMENT WITH WARM (28-29  CELSIUS) SEA SURFACE TEMPERATURES, LOW TO MODERATE (10-20 KTS)  VERTICAL WIND SHEAR AND DIVERGENT UPPER LEVEL FLOW ALOFT. NUMERICAL  MODEL SOLUTIONS GENERALLY DISAGREE ON THE TIMING AND DEGREE OF  INVEST INTENSIFICATION, WITH THE GFS SOLUTIONS PROVIDING THE MOST  AGGRESSIVE INTENSIFICATION SCENARIO. DESPITE THIS DIVERGENCE IN  INTENSITY SOLUTIONS, ALL MODEL SOLUTIONS ARE IN GENERAL AGREEMENT  THAT INVEST 90W WILL CONTINUE TO TRACK WEST TO NORTHWESTWARD OVER  THE NEXT 24 HOURS.
INVEST 90W. THE ENVIRONMENT IS FAVORABLE FOR FURTHER DEVELOPMENT WITH WARM (28-29 CELSIUS) SEA SURFACE TEMPERATURES, LOW TO MODERATE (10-20 KTS) VERTICAL WIND SHEAR AND DIVERGENT UPPER LEVEL FLOW ALOFT. NUMERICAL MODEL SOLUTIONS GENERALLY DISAGREE ON THE TIMING AND DEGREE OF INVEST INTENSIFICATION, WITH THE GFS SOLUTIONS PROVIDING THE MOST AGGRESSIVE INTENSIFICATION SCENARIO. DESPITE THIS DIVERGENCE IN INTENSITY SOLUTIONS, ALL MODEL SOLUTIONS ARE IN GENERAL AGREEMENT THAT INVEST 90W WILL CONTINUE TO TRACK WEST TO NORTHWESTWARD OVER THE NEXT 24 HOURS.

INVEST 99W. UPPER LEVEL ANALYSIS INDICATES LOW (10-15KTS) VERTICAL WIND SHEAR  AND A DEVELOPING POLEWARD OUTFLOW CHANNEL. SEA SURFACE TEMPERATURES  ARE FAVORABLE FOR DEVELOPMENT AT 29-30 DEGREES CELSIUS. GLOBAL  MODELS ARE IN GOOD AGREEMENT THAT INVEST 90W WILL CONTINUE TO TRACK  WESTWARD AS IT DEVELOPS.
INVEST 99W. UPPER LEVEL ANALYSIS INDICATES LOW (10-15KTS) VERTICAL WIND SHEAR AND A DEVELOPING POLEWARD OUTFLOW CHANNEL. SEA SURFACE TEMPERATURES ARE FAVORABLE FOR DEVELOPMENT AT 29-30 DEGREES CELSIUS. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 90W WILL CONTINUE TO TRACK WESTWARD AS IT DEVELOPS.

28/0330UTC. INVEST 90W IS UP-GRADED TO MEDIUM: MODERATE CHANCES OF DEVELOPING 25KNOT WINDS CLOSE TO THE CENTER WITHIN 24HOURS.
28/0330UTC. INVEST 90W IS UP-GRADED TO MEDIUM: MODERATE CHANCES OF DEVELOPING 25KNOT WINDS CLOSE TO THE CENTER WITHIN 24HOURS.

INVEST 90W. 27/2347UTC.SCATTEROMETRY DATA REVEALS AN ELONGATED LOW LEVEL CIRCULATION SURROUNDED  BY 15-20 KNOTS WINDS AND STRONGER 20-25 KTS WINDS DISPLACED  APPROXIMATELY 110-220 KM TO THE NORTH OF THE CENTRAL POSITION.
INVEST 90W. 27/2347UTC.SCATTEROMETRY DATA REVEALS AN ELONGATED LOW LEVEL CIRCULATION SURROUNDED BY 15-20 KNOTS WINDS AND STRONGER 20-25 KTS WINDS DISPLACED APPROXIMATELY 110-220 KM TO THE NORTH OF THE CENTRAL POSITION.

28/00UTC.
28/00UTC.

28/00UTC.
28/00UTC.
Rédigé par PATRICK HOAREAU le Friday, May 28th 2021 à 08:05