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krichard2011|2013-7-30 23:17
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JTWC 發出TCFA
整體螺旋性相當好 對流相當扎實
底層也建立得差不多
後期可看性相當高
FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
215 NM EITHER SIDE OF A LINE FROM 12.1N 112.9W TO 14.4N 120.9W
WITHIN THE NEXT 06 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS
IN THE AREA ARE ESTIMATED TO BE 20 TO 25 KNOTS. METSAT IMAGERY AT
301400Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 12.1N
114.3W. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 14 KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 11.7N
112.9W, IS NOW LOCATED NEAR 12.1N 114.3W, APPROXIMATELY 685 NM SOUTH-
SOUTHWEST OF CABO SAN LUCAS, MEXICO. ANIMATED INFRARED SATELLITE
IMAGERY SHOWS A COMPACT SYSTEM THAT HAS SLOWLY CONSOLIDATED OVER THE
PAST 12 HOURS. UPPER LEVEL ANALYSIS INDICATES THE DISTURBANCE IS
JUST SOUTH OF A RIDGE AXIS IN AN AREA OF LOW TO MODERATE (10-15
KNOT) EASTERLY VERTICAL WIND SHEAR. HOWEVER, ANIMATED WATER VAPOR
SATELLITE IMAGERY SHOWS GOOD RADIAL OUTFLOW. GLOBAL NUMERIC MODELS
ARE PREDICTING A SIGNIFICANT TROPICAL CYCLONE TO DEVELOP OVER THE
NEXT 12-36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT
20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR
1007 MB. DUE TO THE INCREASED CONSOLIDATION OF THE LOW LEVEL
CIRCULATION CENTER, THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE OVER THE NEXT 24 HOURS IS HIGH.
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