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Alexchow|2015-9-5 14:43
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本帖最後由 t02436 於 2015-9-5 17:40 編輯
已評為Low
(1) AN AREA OF CONVECTION HAS PERSISTED NEAR 17.3N 141.2E,
APPROXIMATELY 300 NM NORTHWEST OF GUAM. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS PERSISTENT DEEP CONVECTION DISPLACED OVER
THE NORTHWEST PERIPHERY OF A PARTIALLY-EXPOSED LOW-LEVEL
CIRCULATION CENTER (LLCC). A 050410Z NOAA-19 89 GHZ IMAGE SHOWS A
BROAD LLCC WITH DEEP CURVED CONVECTIVE BANDING OVER THE NORTHWEST
QUADRANT OF THE LLCC. A 050015Z ASCAT IMAGE REVEALS 10 TO 15 KNOT
WINDS AROUND THE PERIPHERY OF THE SYSTEM, INDICATIVE OF THE WEAK,
BROAD NATURE OF THE SYSTEM. ENVIRONMENTAL CONDITIONS ARE MARGINALLY-
FAVORABLE WITH AN ANTICYCLONE POSITIONED OVER THE NORTHEAST
QUADRANT OF THE SYSTEM PROVIDING LOW VERTICAL WIND SHEAR AND WEAK
OVERALL OUTFLOW. DYNAMIC MODELS INDICATE SLOW DEVELOPMENT AS THE
BROAD SYSTEM TRACKS NORTHWESTWARD. MAXIMUM SUSTAINED SURFACE WINDS
ARE ESTIMATED AT 10 TO 15 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 IS LOW.
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