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JTWC 02Z評級提升"Medium"
(1) THE AREA OF CONVECTION (INVEST 92W) PREVIOUSLY LOCATED
NEAR 15.4N 134.5E, IS NOW LOCATED NEAR 16.5N 128.8E, APPROXIMATELY
460 NM EAST-NORTHEAST OF MANILA, PHILIPPINES. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS DEEPENING CONVECTION BEGINNING TO WRAP
INTO A LOW LEVEL CIRCULATION CENTER. A 032217Z SSMIS 91GHZ MICROWAVE
IMAGE SHOWS DEEP CONVECTION DISPLACED AND TURNING TOWARDS THE LLCC,
WITH SHALLOW CONVECTION WRAPPING DIRECTLY INTO IT. ENVIRONMENTAL
ANALYSIS SHOWS THE STORM CURRENTLY IS IN AN AREA OF LOW (10-15 KNOT)
VERTICAL WIND SHEAR, WARM (30 CELSIUS) SEA SURFACE TEMPERATURES, AND
GOOD POLEWARD OUTFLOW. GLOBAL MODELS ARE NOT PREDICTING SIGNIFICANT
DEVELOPMENT AT THIS TIME. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1008 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO
MEDIUM.
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