風場搜出30kt風速,今晚至明晨升格01C的機率增加中

CP, 90, 2020082006,   , BEST,   0, 100N, 1739W,  30, 1007, LO,  34, NEQ,    0,    0,    0,    0, 1009,  100,  90,   0,   0,   C,   0,    ,   0,   0,     INVEST, S,

近12小時對流爆發，且中心已來到174W左右，即將跨洋，但主流數值仍不看好發展

JTWC 17/0030Z直接撤評，不看好未來發展。

WTPN21 PHNC 170030
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/160751Z AUG 20//
AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTPN21 PHNC 160800)//
RMKS/
1. REMARKS: 1. REMARKS: THIS CANCELS REF A (WTPN21 PHNC 160800). THE
AREA OF CONVECTION(INVEST 90C) PREVIOUSLY LOCATED NEAR 11.4N 156.3W, IS
NOW LOCATED NEAR 11.5158.0W, APPROXIMATELY 520 NM SOUTH-SOUTHWEST OF
HILO, HAWAII. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A 162041Z GMI
89 GHZ MICROWAVE IMAGE DEPICT A LOW LEVEL CIRCULATION CENTER (LLCC) WITH
FLARING CONVECTION ALONG THE NORTHERN PERIPHERY AND FORMATIVE BANDING
WRAPPING INTO THE LLCC. UPPER LEVEL ANALYSIS INDICATES 90C HAS BEGUN TO
MOVE INTO A LESS THAN FAVORABLE ENVIRONMENT FOR DEVELOPMENT WITH
MODERATE (15-20KTS) VERTICAL WIND SHEAR AND FAIR OUTFLOW ALOFT. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THEREFORE, IT IS NO
LONGER CONSIDERED SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS.//
NNNN

JTWC取消TCFA

WTPN21 PHNC 170030
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/160751Z AUG 20//
AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTPN21 PHNC 160800)//
RMKS/
1. REMARKS: 1. REMARKS: THIS CANCELS REF A (WTPN21 PHNC 160800). THE
AREA OF CONVECTION(INVEST 90C) PREVIOUSLY LOCATED NEAR 11.4N 156.3W, IS
NOW LOCATED NEAR 11.5158.0W, APPROXIMATELY 520 NM SOUTH-SOUTHWEST OF
HILO, HAWAII. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A 162041Z GMI
89 GHZ MICROWAVE IMAGE DEPICT A LOW LEVEL CIRCULATION CENTER (LLCC) WITH
FLARING CONVECTION ALONG THE NORTHERN PERIPHERY AND FORMATIVE BANDING
WRAPPING INTO THE LLCC. UPPER LEVEL ANALYSIS INDICATES 90C HAS BEGUN TO
MOVE INTO A LESS THAN FAVORABLE ENVIRONMENT FOR DEVELOPMENT WITH
MODERATE (15-20KTS) VERTICAL WIND SHEAR AND FAIR OUTFLOW ALOFT. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THEREFORE, IT IS NO
LONGER CONSIDERED SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS.//
NNNN