簽到天數: 3475 天 [LV.Master]伴壇終老
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king111807|2026-5-25 20:55
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JTWC評級Low
AN AREA OF CONVECTION (INVEST 99W) HAS PERSISTED NEAR 7.5N
141.7E, APPROXIMATELY 239 NM EAST-SOUTHEAST OF YAP. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY, A 242153Z F16 SSMIS 91GHZ IMAGERY, AND
A 242352Z METOP-B ASCAT PASS DEPICT A BROAD AND POORLY ORGANIZED LOW
LEVEL CIRCULATION CENTER (LLCC) PARTIALLY OBSCURED BY FLARING
CONVECTION, WITH ASSOCIATED DEEP CONVECTION DISPLACED ALONG THE SOUTHERN
AND NORTHERN PERIPHERIES. UPPER LEVEL ANALYSIS INDICATES 99W IS IN A
MODERATELY FAVORABLE ENVIRONMENT FOR DEVELOPMENT WITH MODERATE
(15-20KTS) VERTICAL WIND SHEAR (VWS), GOOD DIVERGENCE ALOFT,
PARTICULARLY IN THE POLEWARD DIRECTION, AND WARM (29-30C) SEA SURFACE
TEMPERATURES (SSTS). GLOBAL DETERMINISTIC AND ENSEMBLE MODELS ARE IN
GOOD AGREEMENT THAT 99W WILL CONTINUE TO CONSOLIDATE AS IT TRACKS
GENERALLY NORTH-NORTHWESTWARD OVER THE NEXT FEW DAYS. ALTHOUGH OVERALL
CONDITIONS ARE FAVORABLE, THE LACK OF A DISTINCT, CONSOLIDATED LLCC WILL
LIMIT POTENTIAL DEVELOPMENT IN THE NEAR TERM. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 13 TO 18 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
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