WPAC: INVEST 94W [Goring]

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supercane
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#81 Postby supercane » Sun Jul 10, 2011 1:08 am

ABPW10 PGTW 100600
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS/100600Z-110600ZJUL2011//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 24.0N
123.8E, IS NOW LOCATED NEAR 25.3N 122.3E, APPROXIMATELY 95 NM EAST-
SOUTHEAST OF TAIPEI, TAIWAN. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY CONTINUES TO DEPICT A FULLY EXPOSED AND ELONGATED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH NO CENTRAL OR BANDING CONVECTION. A
100229Z TRMM MICROWAVE IMAGE CONFIRMS THE POSITION OF THE LLCC AND
THE LACK OF ANY CONVECTIVE BANDING STRUCTURE. A 100059Z ASCAT PASS
DEPICTS AN ELONGATED CIRCULATION WITH 10 TO 15 KNOT WINDS AT THE
CENTER AND ELEVATED (20 TO 25 KNOT) GRADIENT INDUCED WINDS EAST OF
THE LLCC. OBSERVATIONS FROM TAIPEI AT 10/05Z INDICATE 1001 MSLP WITH
10 KNOT ESE WINDS. UPPER LEVEL ANALYSIS CONTINUES TO INDICATE HIGH
(30+ KNOTS) NORTHERLY VERTICAL WIND SHEAR AND CONVERGENT FLOW ALOFT.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS REMAINS LOW.

<snip>
Image
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senorpepr
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#82 Postby senorpepr » Sun Jul 10, 2011 4:20 am

WWJP25 RJTD 100600
WARNING AND SUMMARY 100600.
WARNING VALID 110600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
DEVELOPING LOW 992 HPA
AT 46N 175E SEA SOUTH OF ALEUTIANS MOVING EASTNORTHEAST 10 KNOTS.
WINDS 30 TO 35 KNOTS WITHIN 500 MILES OF LOW SOUTHEAST SEMICIRCLE AND
300 MILES ELSEWHERE.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK SEA OF JAPAN BOHAI
YELLOW SEA.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 33N 136E 36N 141E
42N 143E 47N 152E 55N 162E 60N 166E 60N 180E 36N 180E 32N 160E 35N
150E 31N 136E 33N 136E.
SUMMARY.
LOW 1010 HPA AT 61N 149E ESE SLOWLY.
LOW 1008 HPA AT 52N 162E SE SLOWLY.
TROPICAL DEPRESSION 1002 HPA AT 26N 121E WNW 15 KT.
LOW PRESSURE AREA 1008 HPA NEAR 18N 155E WEST SLOWLY.
HIGH 1014 HPA AT 52N 147E ALMOST STATIONARY.
HIGH 1016 HPA AT 33N 151E ALMOST STATIONARY.
STATIONARY FRONT FROM 33N 120E TO 38N 128E 42N 140E 42N 143E.

JAPAN METEOROLOGICAL AGENCY.=
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supercane
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#83 Postby supercane » Sun Jul 10, 2011 11:09 am

JMA dropped this with the 12Z analysis, not even calling it a low pressure area let alone a tropical depression. Looking at the various agency maps across the region, only KMA is still analyzing it as a TD.
Latest IR sat; can you find the center?
Image
Latest KMA analysis:
Image
In any event, the last coordinates were very close to land. Last CMA advisory from 9Z:
WTPQ20 BABJ 100900
SUBJECTIVE FORECAST
TD 05 INITIAL TIME 100900 UTC
00HR 25.5N 119.9E 996HPA 13M/S
P12HR SW 20KM/H
P+24HR 23.6N 116.7E 1004HPA 10M/S=
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Chacor
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#84 Postby Chacor » Sun Jul 10, 2011 11:19 am

Impressive flareup of convection to its SW though.
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