Tropical Storm ROKE

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senorpepr
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#41 Postby senorpepr » Wed Mar 16, 2005 7:23 am

cycloneye wrote:Officially now a Typhoon.


Technically, Roke was never "officially" a typhoon. Although the JTWC called it as such, JMA has kept it as a severe tropical storm.

WTPQ20 RJTD 160900
RSMC TROPICAL CYCLONE ADVISORY
NAME STS 0502 ROKE (0502)
ANALYSIS
PSTN 160900UTC 11.7N 128.0E FAIR
MOVE W 19KT
PRES 980HPA
MXWD 055KT
50KT 30NM
30KT 140NM
FORECAST
24HF 170900UTC 10.9N 122.4E 90NM 70%
MOVE W 13KT
PRES 985HPA
MXWD 050KT
45HF 180600UTC 11.0N 118.0E 150NM 70%
MOVE W 12KT
PRES 990HPA
MXWD 045KT
69HF 190600UTC 11.0N 113.0E 230NM 70%
MOVE W 12KT
PRES 990HPA
MXWD 045KT =


70 mph, 1-min winds. Still just shy of official typhoon status.
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#42 Postby cycloneye » Wed Mar 16, 2005 7:29 am

NAVOCEANO STENNIS SPACE CENTER MS//N16//
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 02W (ROKE) WARNING NR 013
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
160600Z3 --- NEAR 11.7N9 128.9E0
MOVEMENT PAST SIX HOURS - 265 DEGREES AT 24 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
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 - 090 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
REPEAT POSIT: 11.7N9 128.9E0
---
FORECASTS:
12 HRS, VALID AT:
161800Z6 --- 11.7N9 125.5E3
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
OVER WATER
030 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
OVER WATER
090 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 24 HR POSIT: 275 DEG/ 16 KTS
---
24 HRS, VALID AT:
170600Z4 --- 12.1N4 122.2E7
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
RADIUS OF 050 KT WINDS - 025 NM
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
OVER WATER
075 NM SOUTHWEST QUADRANT
085 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 36 HR POSIT: 275 DEG/ 14 KTS
---
36 HRS, VALID AT:
171800Z7 --- 12.3N6 119.3E4
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
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 - 085 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 270 DEG/ 12 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
180600Z5 --- 12.3N6 116.9E7
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
RADIUS OF 050 KT WINDS - 030 NM
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 270 DEG/ 12 KTS
---
72 HRS, VALID AT:
190600Z6 --- 12.1N4 111.9E2
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
RADIUS OF 050 KT WINDS - 030 NM
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 250 DEG/ 11 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:
200600Z8 --- 10.7N8 107.8E6
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
VECTOR TO 120 HR POSIT: 270 DEG/ 08 KTS
---
120 HRS, VALID AT:
210600Z9 --- 10.8N9 104.7E2
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
---
REMARKS:
160900Z6 POSITION NEAR 11.7N9 128.1E2.
TYPHOON (TY) 02W (ROKE), LOCATED APPROXIMATELY 500 NM EAST-SOUTHEAST
OF MANILA, PHILIPPINES, IS TRACKING WESTWARD AT 24 KNOTS. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 160600Z3 IS 16 FEET. REFER TO WWPW30 PGTW
FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 161500Z3,
162100Z0, 170300Z1 AND 170900Z7.//

MIke so this warning #13 is not official as they say it is a typhoon?
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#43 Postby Derek Ortt » Wed Mar 16, 2005 8:19 am

JTWC is <b>UNOFFICIAL</b>. Japan has the official responsibility for that area
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#44 Postby P.K. » Wed Mar 16, 2005 10:20 am

I've been reading the JMA ones as the official ones but it has been a bit weird that the readings were far less than the JTWC ones (Even accounting for the conversion to one minute averages) although they look similar now.
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#45 Postby Gorky » Wed Mar 16, 2005 1:01 pm

Well in tyhat case, Kulap was the first Official typhoon, as JMA listed it as such, whilst JTCW had it below typhoon strength...
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#46 Postby cycloneye » Wed Mar 16, 2005 1:34 pm

Derek Ortt wrote:JTWC is <b>UNOFFICIAL</b>. Japan has the official responsibility for that area


Thank you Derek for letting me know about that.
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#47 Postby Aslkahuna » Wed Mar 16, 2005 6:49 pm

Roke has made landfall near Tacloban, Leyte.

Steve
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Derek Ortt

#48 Postby Derek Ortt » Wed Mar 16, 2005 6:52 pm

also, that Japanese tend to be far more reliable with their info. I remember one typhoon back in 2001 that JT had forecasted to dissipate as a TS in 12 hours. Well, 12 hours later it was a cat 4 and JT still said is was dissipating.

To be honest, I only use JT for giggles, as it has at times become about as reliable as Great One
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Matt-hurricanewatcher

#49 Postby Matt-hurricanewatcher » Wed Mar 16, 2005 7:07 pm

But Greatone put more work into his forecast. Got to give him his reward for trying hard. Even so he gots alot to learn.
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#50 Postby HurricaneBill » Wed Mar 16, 2005 10:37 pm

Matt-hurricanewatcher wrote:But Greatone put more work into his forecast. Got to give him his reward for trying hard.


You're kidding, right?
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#51 Postby Aslkahuna » Thu Mar 17, 2005 10:22 pm

JT has not done well recently. With Willy they had the system moving S off the west coast of Australia with little change in intensity in one of their bulletins when it was obvious that the storm was headed for the cold water off the coast and already entraining cooler air. Then with Roke they had the storm maintaining an identity across the SCS which this time of year has a very hostile shear and SST environment.

Steve
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#52 Postby HurricaneBill » Thu Mar 17, 2005 10:33 pm

Aslkahuna wrote:JT has not done well recently. With Willy they had the system moving S off the west coast of Australia with little change in intensity in one of their bulletins when it was obvious that the storm was headed for the cold water off the coast and already entraining cooler air. Then with Roke they had the storm maintaining an identity across the SCS which this time of year has a very hostile shear and SST environment.

Steve


Plus they underestimated the intensity of Cyclone Harvey.
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