NW Pacific: TY Rammasun (0802/03W)

[MiamiensisWx]

It's honestly responding very similar to Katrina in terms of structure, so there's no way that it ever re-attained 135 kt winds after its original peak. In fact, Katrina's 1-min winds landfall may have been slightly stronger than this TC's current intensity over the past several hours. JTWC is too high based on the TC structure and large size, in my view. Eye temperatures are unimportant in this case... ET transition has been gradually underway since the very early morning hours (late yesterday?) in that portion of the hemisphere.

[Sanibel]

North Pacific still too cold.

[MiamiensisWx]

It's not the SSTA or tropical cyclone heat potential. It's the shear from the shortwave trough...

[HURAKAN]

Thanks for playing. See you in a few years.

[wyq614]

It is now undergoing extratropical transition.

[wyq614]

Chinese Meteorological Agency:

今年第2号台风“威马逊”（RAMMASUN）的中心今天下午5时位于日本九州岛(Kyushu)宫崎(Miyazaki)东南方向大约700公里的西北太平洋洋面上，就是北纬28.1度，东经137.3度，中心附近最大风力有12级（33米/秒）。
　　
预计，今天晚上到明天白天，“威马逊”将以每小时45公里左右的速度向东北方向移去，强度继续减弱。“威马逊”对我国近海无影响。

At 5pm Beijing Time, Typhoon 0802 Rammasun is centered at some 700km southeast of Miyazaki, Kyushu Island, Japan. i.e. 28.1N 137.3E, the maximum sustained winds is 12 bft (33m/s)

It is expected that, from tonight to tomorrow, Rammasun will be moving northeastward at the speed of about 45km/h and continue to weaken. Rammasun will not affect Chinese seas.

[senorpepr]

ZCZC 443
WTPQ20 RJTD 121200
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0802 RAMMASUN (0802)
ANALYSIS
PSTN 121200UTC 29.1N 138.3E GOOD
MOVE NE 29KT
PRES 970HPA
MXWD 065KT
GUST 095KT
50KT 90NM NORTHEAST 80NM SOUTHWEST
30KT 250NM NORTHEAST 210NM SOUTHWEST
FORECAST
24HF 131200UTC 35.7N 147.0E 100NM 70%
MOVE NE 25KT
PRES 994HPA
MXWD 045KT
GUST 065KT
48HF 141200UTC 39.7N 153.7E 170NM 70% EXTRATROPICAL LOW =
NNNN

[HURAKAN]

Bye, bye!!

[HURAKAN]

Have a nice extratropical life!

[Chacor]

As of two hours ago, JMA was still issuing warnings.

STS 0802 (Rammasun)
Issued at 22:40 UTC, 12 May 2008
<Analyses at 12/22 UTC>
Scale -
Intensity -
Center position N31°05'(31.1°)
E141°40'(141.7°)
Direction and speed of movement ENE 35km/h(20kt)
Central pressure 975hPa
Maximum wind speed near the center 30m/s(60kt)
Maximum wind gust speed 45m/s(85kt)
Area of 50kt winds or more NE150km(80NM)
SW130km(70NM)
Area of 30kt winds or more NE460km(250NM)
SW430km(230NM)

[senorpepr]

WTPN31 PGTW 122100
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 03W (RAMMASUN) WARNING NR 023
DOWNGRADED FROM TYPHOON 03W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
121800Z --- NEAR 30.3N 140.2E
MOVEMENT PAST SIX HOURS - 055 DEGREES AT 21 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
REPEAT POSIT: 30.3N 140.2E
---
FORECASTS:
12 HRS, VALID AT:
130600Z --- 32.6N 145.0E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
VECTOR TO 24 HR POSIT: 065 DEG/ 26 KTS
---
24 HRS, VALID AT:
131800Z --- 34.6N 150.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
---
REMARKS:
122100Z POSITION NEAR 30.9N 141.4E.
TROPICAL STORM (TS) 03W (RAMMASUN), LOCATED APPROXIMATELY 215 NM
NORTH-NORTHWEST OF CHICHI JIMA, HAS TRACKED NORTHEASTWARD AT
21 KNOTS OVER THE PAST SIX HOURS. RECENT INFRARED AND MICROWAVE
SATELLITE IMAGERY INDICATES THAT TS 03W HAS BECOME FULLY EMBEDDED
IN THE MIDLATITUDE BAROCLINIC ZONE AND IS COMPLETING TRANSITION
INTO A STRONG EXTRATROPICAL CYCLONE. THEREFORE, THIS IS THE FINAL
WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER
(NAVPACMETOCCEN). THE SYSTEM WILL BE CLOSELY MONITORED FOR
SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
121800Z IS 16 FEET.//
NNNN

[Category 5]

It's heading to space!

[senorpepr]

ZCZC 584
WTPQ20 RJTD 130000
RSMC TROPICAL CYCLONE ADVISORY
NAME STS 0802 RAMMASUN (0802)
ANALYSIS
PSTN 130000UTC 31.8N 141.8E FAIR
MOVE NE 20KT
PRES 985HPA
MXWD 050KT
GUST 070KT
30KT 250NM NORTHEAST 230NM SOUTHWEST
FORECAST
24HF 140000UTC 36.0N 150.6E 100NM 70% EXTRATROPICAL LOW =
NNNN

[Chacor]

Gone from JMA now.

[RattleMan]

Indeed:

WTPQ20 RJTD 130600
RSMC TROPICAL CYCLONE ADVISORY
NAME DEVELOPING LOW FORMER STS 0802 RAMMASUN (0802)
ANALYSIS
PSTN 130600UTC 33N 144E
MOVE ENE 20KT
PRES 990HPA
MXWD 045KT
30KT 250NM NORTHEAST 230NM SOUTHWEST =