Typhoon 08W (Chataan) warning Nr 029
EmailSUBJ: TROPICAL CYCLONE WARNING
1. TYPHOON (TY) 08W (CHATAAN) WARNING NR 029
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
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WARNING POSITION:
050000Z5 --- NEAR 13.8N2 144.5E4
MOVEMENT PAST SIX HOURS - 300 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 100 KT, GUSTS 125
KT
RADIUS OF 050 KT WINDS - 055 NM OVER WATER
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT OVER WATER
090 NM SOUTHEAST QUADRANT
OVER WATER
120 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
REPEAT POSIT: 13.8N2 144.5E4
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FORECASTS:
12 HRS, VALID AT:
051200Z8 --- 15.1N7 142.5E2
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
RADIUS OF 100 KT WINDS - 020 NM
RADIUS OF 050 KT WINDS - 075 NM
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
130 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 310 DEG/ 13 KTS
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24 HRS, VALID AT:
060000Z6 --- 16.7N4 140.4E9
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
RADIUS OF 050 KT WINDS - 070 NM
RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
125 NM SOUTHWEST QUADRANT
125 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 305 DEG/ 14 KTS
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36 HRS, VALID AT:
061200Z9 --- 18.4N3 138.0E2
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 310 DEG/ 13 KTS
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EXTENDED OUTLOOK:
48 HRS, VALID AT:
070000Z7 --- 20.1N3 135.8E7
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 310 DEG/ 10 KTS
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72 HRS, VALID AT:
080000Z8 --- 22.5N9 132.4E0
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 050 KT WINDS - 055 NM
RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
115 NM NORTHWEST QUADRANT
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REMARKS:
1. TYPHOON 08W (CHATAAN) WARNING NR 029
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
050000Z5 --- NEAR 13.8N2 144.5E4
MOVEMENT PAST SIX HOURS - 300 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 100 KT, GUSTS 125
KT
RADIUS OF 050 KT WINDS - 055 NM OVER WATER
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT OVER WATER
090 NM SOUTHEAST QUADRANT OVER WATER
120 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
REPEAT POSIT: 13.8N2 144.5E4
---
FORECASTS:
12 HRS, VALID AT:
051200Z8 --- 15.1N7 142.5E2
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
RADIUS OF 100 KT WINDS - 020 NM
RADIUS OF 050 KT WINDS - 075 NM
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
130 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 310 DEG/ 13 KTS
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24 HRS, VALID AT:
060000Z6 --- 16.7N4 140.4E9
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
RADIUS OF 050 KT WINDS - 070 NM
RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
125 NM SOUTHWEST QUADRANT
125 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 305 DEG/ 14 KTS
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36 HRS, VALID AT:
061200Z9 --- 18.4N3 138.0E2
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 310 DEG/ 13 KTS
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EXTENDED OUTLOOK:
48 HRS, VALID AT:
070000Z7 --- 20.1N3 135.8E7
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 310 DEG/ 10 KTS
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72 HRS, VALID AT:
080000Z8 --- 22.5N9 132.4E0
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 050 KT WINDS - 055 NM
RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
115 NM NORTHWEST QUADRANT
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REMARKS:
050300Z8 POSITION NEAR 14.1N6 144.0E9.
TYPHOON (TY) 08W (CHATAAN), LOCATED APPROXIMATELY 25 NM NORTHWEST OF GUAM, HAS TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 042330Z2 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 100 KNOTS. A 042020Z8 TROPICAL RAINFALL MEASURING MISSION (TRMM) PASS REVEALS A TIGHTLY CURVED BANDING EYE FEATURE. SYNOPTIC REPORTS FROM AND AROUND GUAM INDICATE THE EYE HAS PASSED WITH MAXIMUM WINDS REPORTED AT THE SURFACE OF 70 KTS GUSTING TO 90 KNOTS DIRECTLY AFTER THE EYE PASSAGE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 050000Z5 IS 18 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 050900Z4, 051500Z1, 052100Z8 AND 060300Z9. REFER TO TYPHOON 09W (RAMMASUN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.
