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Menu of Text Products for the Hawaiian Islands and the Tropical Pacific/Atlantic Oceans:
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West Pacific Tropical Cyclone Discussion

823
WTPN31 PGTW 060300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 20W (NURI) WARNING NR 025
DOWNGRADED FROM TYPHOON 20W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
060000Z --- NEAR 28.2N 140.1E
MOVEMENT PAST SIX HOURS - 035 DEGREES AT 12 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
125 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
REPEAT POSIT: 28.2N 140.1E
---
FORECASTS:
12 HRS, VALID AT:
061200Z --- 32.2N 143.8E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
VECTOR TO 24 HR POSIT: 045 DEG/ 42 KTS
---
24 HRS, VALID AT:
070000Z --- 37.9N 151.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
---
REMARKS:
060300Z POSITION NEAR 29.2N 141.0E.
TROPICAL STORM (TS) 20W (NURI), LOCATED APPROXIMATELY 130 NM WEST-
NORTHWEST OF CHICHI JIMA, HAS TRACKED NORTHEASTWARD AT 12 KNOTS
OVER THE PAST SIX HOURS. TS 20W HAS NEARLY COMPLETED EXTRA-TROPICAL
TRANSITION, WITH CLEAR FRONTAL CHARACTERISTICS IN MULTI-SPECTRAL
SATELLITE IMAGERY. MODELS INDICATE THE SYSTEM WILL BE FULLY ABSORBED
INTO THE BAROCLINIC ZONE BY TAU 6. THIS SYSTEM IS EXPECTED TO BE A
STRONG EXTRA-TROPICAL LOW GIVEN THE GOOD UPPER LEVEL JET SUPPORT.
THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON
WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR
SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 060000Z
IS 25 FEET.//

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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It was last modified on: Tue, Sep 21 2010 - 2314 UTC
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