
WTPN31 PGTW 120900
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 03W (CONSON) WARNING NR 004
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
120600Z --- NEAR 14.1N 129.1E
MOVEMENT PAST SIX HOURS - 260 DEGREES AT 11 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
REPEAT POSIT: 14.1N 129.1E
---
FORECASTS:
12 HRS, VALID AT:
121800Z --- 14.6N 126.8E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 285 DEG/ 11 KTS
---
24 HRS, VALID AT:
130600Z --- 15.2N 124.6E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 290 DEG/ 11 KTS
---
36 HRS, VALID AT:
131800Z --- 15.9N 122.4E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 295 DEG/ 11 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
140600Z --- 16.8N 120.2E
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 300 DEG/ 09 KTS
---
72 HRS, VALID AT:
150600Z --- 18.7N 116.9E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 320 DEG/ 07 KTS
---
LONG RANGE OUTLOOK:
NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
ON DAY 4 AND 350 NM ON DAY 5... AND FOR INTENSITY
NEAR 20 KT EACH DAY.
---
96 HRS, VALID AT:
160600Z --- 20.7N 115.0E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 345 DEG/ 07 KTS
---
120 HRS, VALID AT:
170600Z --- 23.2N 114.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
120900Z POSITION NEAR 14.2N 128.5E.
TROPICAL STORM (TS) 03W (CONSON), LOCATED APPROXIMATELY 475 NM EAST
OF MANILA, PHILIPPINES HAS TRACKED WESTWARD AT 11 KNOTS OVER THE
PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS VERY
TIGHT CONVECTIVE WRAPPING AND GOOD RADIAL OUTFLOW WHILE ANIMATED
WATER VAPOR IMAGERY INDICATES THE WESTWARD-PUSHING TROPICAL UPPER
TROPOSPHERIC TROUGH (TUTT) CELL CONTINUES TO INDUCE A STRONG
POLEWARD TUG. CONSEQUENTLY, THE CURRENT INTENSITY OF 60 KNOTS IS
SLIGHTLY HIGHER THAN THE DVORAK ESTIMATES FROM PGTW AND KNES OF T3.5
IN CONSIDERATION OF THE VERY SMALL SIZE OF THE SYSTEM. THOUGH TC 03W
HAS JOGGED SLIGHTLY SOUTH OF WEST OVER THE PAST SIX HOURS, THE
SYSTEM IS STILL EXPECTED TO TRACK NORTHWESTWARD ALONG THE
SUBTROPICAL RIDGE (STR) THROUGH LUZON AND INTO THE SOUTH CHINA SEA.
BY TAU 72, A LONG-WAVE TROUGH IS EXPECTED TO WEAKEN THE STR AND
ENABLE THE STORM TO TURN MORE NORTHWARD. AT THE SAME TIME, THE
SYSTEM IS EXPECTED TO GRADUALLY WEAKEN AS IT ENCOUNTERS INCREASINGLY
UNFAVORABLE VERTICAL WIND SHEAR. THE MODEL GUIDANCE IS IN VERY GOOD
AGREEMENT WITH THIS FORECAST. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
120600Z IS 15 FEET. NEXT WARNINGS AT 121500Z, 122100Z, 130300Z AND
130900Z.//
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