WPAC: JELAWAT - Post-Tropical

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Meow

#21 Postby Meow » Thu Sep 20, 2012 2:43 am

This is totally a tropical depression now, and it is estimated to become a tropical storm within 24 hours.

Image

TD
Issued at 07:20 UTC, 20 September 2012

<Analyses at 20/06 UTC>
Scale -
Intensity -
TD
Center position N13°50'(13.8°)
E133°25'(133.4°)
Direction and speed of movement W 25km/h(13kt)
Central pressure 1006hPa
Maximum sustained wind speed 15m/s(30kt)
Maximum wind gust speed 23m/s(45kt)

<Forecast for 21/06 UTC>
Intensity -
Center position of probability circle N13°50'(13.8°)
E131°50'(131.8°)
Direction and speed of movement W Slowly
Central pressure 1000hPa
Maximum wind speed near the center 18m/s(35kt)
Maximum wind gust speed 25m/s(50kt)
Radius of probability circle 220km(120NM)
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Re: WPAC: INVEST 92W

#22 Postby mrbagyo » Thu Sep 20, 2012 3:56 am

wow, looking better...
Image
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#23 Postby phwxenthusiast » Thu Sep 20, 2012 4:52 am

this is now Tropical Depression Lawin as per PAGASA... forecasting a general westward movement and then a slight turn to the northwest by Sunday...
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Re: WPAC: Tropical Depression 92W

#24 Postby dexterlabio » Thu Sep 20, 2012 8:34 am

a PAGASA forecaster said in an interview that this is not likely to hit land. models are quite all around the place with this one. GFS seems to backed off with a NE solution and has this making landfall in Taiwan as a very significant tropical cyclone.



by the way, 92W was reassigned as 18W on the NRL page...
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Meow

#25 Postby Meow » Thu Sep 20, 2012 8:51 am

18W

Image

WTPN31 PGTW 201500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201200Z --- NEAR 13.7N 132.3E
MOVEMENT PAST SIX HOURS - 265 DEGREES AT 14 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 13.7N 132.3E
---
FORECASTS:
12 HRS, VALID AT:
210000Z --- 13.1N 130.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 235 DEG/ 05 KTS
---
24 HRS, VALID AT:
211200Z --- 12.6N 130.0E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 235 DEG/ 02 KTS
---
36 HRS, VALID AT:
220000Z --- 12.3N 129.6E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 235 DEG/ 02 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221200Z --- 12.1N 129.3E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
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 - 075 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 270 DEG/ 01 KTS
---
72 HRS, VALID AT:
231200Z --- 12.1N 128.8E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 310 DEG/ 02 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241200Z --- 12.5N 128.3E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 335 DEG/ 02 KTS
---
120 HRS, VALID AT:
251200Z --- 13.3N 127.9E
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
201500Z POSITION NEAR 13.6N 131.9E.
TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED APPROXIMATELY 660 NM EAST
OF MANILA, PHILIPPINES, HAS TRACKED WESTWARD AT 14 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201200Z IS 10
FEET. THIS WARNING SUPERSEDES AND CANCELS REF A, JOINT TYPHOON WRNCEN
PEARL HARBOR HI 192251Z SEP 12 TROPICAL CYCLONE FORMATION ALERT
(WTPN21 PGTW 192300). NEXT WARNINGS AT 202100Z, 210300Z, 210900Z AND
211500Z. //
NNNN
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Re: WPAC: 18W - Tropical Depression

#26 Postby euro6208 » Thu Sep 20, 2012 9:23 am

now the 18th storm of the season... :eek: 95 knots in a weak steering environment and who knows will this will go?
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Re: WPAC: 18W - Tropical Depression

#27 Postby dexterlabio » Thu Sep 20, 2012 9:33 am

prognostics from JTWC

MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL DEPRESSION 18W (EIGHTEEN)
WARNING NR 01//
RMKS/
1. FOR METEOROLOGISTS.
2. 12 HOUR SUMMARY AND ANALYSIS.
A. TROPICAL DEPRESSION (TD) 18W (EIGHTEEN), LOCATED APPROXIMATELY
660 NM EAST OF MANILA, PHILIPPINES, HAS TRACKED WESTWARD AT 14 KNOTS
OVER THE PAST SIX HOURS. ANIMATED INFRARED SATELLITE IMAGERY SHOWS A
DEEPENED CENTRAL DENSE OVERCAST SLIGHTLY DISPLACED TO THE WEST OF THE
LOW-LEVEL CIRCULATION CENTER (LLCC). IMPROVED FORMATIVE BANDING IN
ALL QUADRANTS IS ALSO EVIDENT. A SERIES OF MICROWAVE IMAGERY
INCLUDING A 201046Z SSMI-S PASS, DEPICTS SLOW CONSOLIDATION AT THE
LOW LEVELS. UPPER-LEVEL ANALYSIS INDICATES THE SYSTEM IS
APPROXIMATELY 5 DEGREES SOUTH OF A RIDGE AXIS IN AN AREA OF LOW
(05-10 KNOT) VERTICAL WIND SHEAR (VWS) WITH STORM MOTION FACTORED IN.
ANIMATED WATER VAPOR IMAGERY SHOWS WEAK POLEWARD OUTFLOW DUE TO
SUBSIDENCE FROM THE RIDGE TO THE NORTHEAST. HOWEVER, EQUATORWARD
OUTFLOW HAS IMPROVED OVER THE LAST SIX HOURS. THE CYCLONE IS TRACKING
ALONG THE SOUTHWEST EXTENSION OF THE SUBTROPICAL RIDGE (STR) ANCHORED
EAST OF JAPAN.
3. FORECAST REASONING.
A. THIS IS THE FIRST PROGNOSTIC REASONING BULLETIN AND SETS THE
FORECAST PHILOSOPHY.
B. AN EASTWARD MOVING MID-LATITUDE TROUGH CURRENTLY OVER THE
YELLOW SEA WILL WEAKEN THE STEERING STR AND CAUSE TD 18W TO SLOW DOWN
AND BECOME QUASI-STATIONARY. WITH LOW VWS, SUSTAINED EQUATORWARD
OUTFLOW, AND PERENNIAL WARM SEA SURFACE TEMPERATURES IN THE
PHILIPPINE SEA (28-30 CELSIUS), THE SYSTEM WILL GRADUALLY INTENSIFY
INTO A TYPHOON BEFORE TAU 72.
C. AFTER TAU 72, THE AFOREMENTIONED STR IS FORECAST TO REBUILD AND
STEER THE CYCLONE NORTHWESTWARD. THE PASSING OF THE MID-LATITUDE
TROUGH TO THE NORTH WILL ENHANCE POLEWARD OUTFLOW AND PROMOTE FURTHER
INTENSIFICATION OF THE SYSTEM, REACHING 95 KNOTS BY END OF FORECAST.
THE LIMITED NUMERICAL GUIDANCE IS WIDELY SPLIT WITH NOGAPS
UNREALISTICALLY DRIVING THE VORTEX NORTHEASTWARD INTO THE STR AND
GFDN ERRATICALLY LOSING THE VORTEX AT THE MIDDLE TAUS. GFDN, ALONG
WITH JGSM AND WBAR, ALSO KEEPS THE VORTEX TO THE LEFT OF THE MODEL
ENVELOPE, PROPOSING AN ALTERNATE SCENARIO WHERE A SECONDARY STR
BEHIND THE MID-LATITUDE TROUGH BECOMES THE DOMINANT STEERING
MECHANISM AFTER TAU 72. THERE IS LOW CONFIDENCE IN THIS TRACK
FORECAST ESPECIALLY DURING THE EXTENDED TAUS. //
NNNN
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Re: WPAC: 18W - Tropical Depression

#28 Postby cycloneye » Thu Sep 20, 2012 9:48 am

What will be the name that JMA will use?
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Re: WPAC: 18W - Tropical Depression

#29 Postby Hurricane_Luis » Thu Sep 20, 2012 10:04 am

cycloneye wrote:What will be the name that JMA will use?


I think its Jelawat
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#30 Postby DukeDevil91 » Thu Sep 20, 2012 10:58 am

Nice band forming to the west. This could be a monster.
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Re: WPAC: 18W - Tropical Depression

#31 Postby P.K. » Thu Sep 20, 2012 1:12 pm

JMA up to T2.5 at 18Z so I'd expect an upgrade to the 17th TS of the year shortly.
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Re: WPAC: 18W - Tropical Depression

#32 Postby P.K. » Thu Sep 20, 2012 1:57 pm

Upgraded.

WTPQ20 RJTD 201800
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 1217 JELAWAT (1217) UPGRADED FROM TD
ANALYSIS
PSTN 201800UTC 13.5N 131.7E POOR
MOVE W 08KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 150NM
FORECAST
24HF 211800UTC 13.8N 130.2E 70NM 70%
MOVE W SLOWLY
PRES 992HPA
MXWD 045KT
GUST 065KT
48HF 221800UTC 14.4N 128.6E 110NM 70%
MOVE WNW SLOWLY
PRES 980HPA
MXWD 055KT
GUST 080KT
72HF 231800UTC 15.0N 127.3E 160NM 70%
MOVE WNW SLOWLY
PRES 970HPA
MXWD 065KT
GUST 095KT =
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Re: WPAC: JELAWAT - Tropical Storm

#33 Postby cycloneye » Thu Sep 20, 2012 2:06 pm

It looks like Jelawat is another strong typhoon in the making. Those who may be in the track must start preparations.
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Re: WPAC: JELAWAT - Tropical Storm

#34 Postby Meow » Thu Sep 20, 2012 2:39 pm

cycloneye wrote:It looks like Jelawat is another strong typhoon in the making. Those who may be in the track must start preparations.

Both the JMA and the JTWC are not sure, as Jelawat may drift very slowly.
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Re: WPAC: JELAWAT - Tropical Storm

#35 Postby cycloneye » Thu Sep 20, 2012 3:11 pm

Image

WTPN31 PGTW 202100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 18W (JELAWAT) WARNING NR 002
UPGRADED FROM TROPICAL DEPRESSION 18W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201800Z --- NEAR 13.5N 131.2E
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 - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 13.5N 131.2E
---
FORECASTS:
12 HRS, VALID AT:
210600Z --- 13.0N 130.1E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 245 DEG/ 03 KTS
---
24 HRS, VALID AT:
211800Z --- 12.7N 129.5E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 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 - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 260 DEG/ 02 KTS
---
36 HRS, VALID AT:
220600Z --- 12.6N 129.0E
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
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 - 055 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 295 DEG/ 02 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z --- 12.8N 128.6E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 325 DEG/ 02 KTS
---
72 HRS, VALID AT:
231800Z --- 13.5N 128.1E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 335 DEG/ 04 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241800Z --- 15.1N 127.4E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 330 DEG/ 05 KTS
---
120 HRS, VALID AT:
251800Z --- 17.0N 126.3E
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
202100Z POSITION NEAR 13.4N 130.9E.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 11 FEET.
NEXT WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.
//
NNNN
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Re: WPAC: JELAWAT - Tropical Storm

#36 Postby dexterlabio » Thu Sep 20, 2012 8:26 pm

The way it looks now, I think anywhere from Luzon up to Taiwan are under its threat.


From JMA

TS 1217 (JELAWAT)
Issued at 00:50 UTC, 21 September 2012

<Analyses at 21/00 UTC>
Scale -
Intensity -
Center position N13°05'(13.1°)
E130°55'(130.9°)
Direction and speed of movement WSW 15km/h(8kt)
Central pressure 996hPa
Maximum wind speed near the center 23m/s(45kt)
Maximum wind gust speed 35m/s(65kt)
Area of 30kt winds or more ALL280km(150NM)

<Forecast for 22/00 UTC>
Intensity -
Center position of probability circle N12°50'(12.8°)
E129°55'(129.9°)
Direction and speed of movement WSW Slowly
Central pressure 980hPa
Maximum wind speed near the center 30m/s(55kt)
Maximum wind gust speed 40m/s(80kt)
Radius of probability circle 160km(85NM)
Storm warning area ALL220km(120NM)

<Forecast for 23/00 UTC>
Intensity Strong
Center position of probability circle N13°40'(13.7°)
E128°55'(128.9°)
Direction and speed of movement NW Slowly
Central pressure 965hPa
Maximum wind speed near the center 35m/s(70kt)
Maximum wind gust speed 50m/s(100kt)
Radius of probability circle 200km(110NM)
Storm warning area ALL310km(170NM)

<Forecast for 24/00 UTC>
Intensity Strong
Center position of probability circle N15°05'(15.1°)
E128°05'(128.1°)
Direction and speed of movement NNW Slowly
Central pressure 945hPa
Maximum wind speed near the center 40m/s(80kt)
Maximum wind gust speed 60m/s(115kt)
Radius of probability circle 300km(160NM)
Storm warning area ALL440km(240NM)

<Forecast for 25/00 UTC>
Center position of probability circle N16°25'(16.4°)
E127°20'(127.3°)
Direction and speed of movement NNW Slowly
Radius of probability circle 440km(240NM)

<Forecast for 26/00 UTC>
Center position of probability circle N17°30'(17.5°)
E126°20'(126.3°)
Direction and speed of movement NW Slowly
Radius of probability circle 560km(300NM)

Image
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Re: WPAC: JELAWAT - Tropical Storm

#37 Postby cycloneye » Thu Sep 20, 2012 9:14 pm

Image

WTPN31 PGTW 210300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 18W (JELAWAT) WARNING NR 003
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210000Z --- NEAR 13.2N 130.7E
MOVEMENT PAST SIX HOURS - 255 DEGREES AT 07 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 13.2N 130.7E
---
FORECASTS:
12 HRS, VALID AT:
211200Z --- 12.7N 129.7E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 250 DEG/ 03 KTS
---
24 HRS, VALID AT:
220000Z --- 12.5N 129.1E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 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 - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 280 DEG/ 02 KTS
---
36 HRS, VALID AT:
221200Z --- 12.6N 128.6E
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
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 - 055 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 310 DEG/ 02 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230000Z --- 12.9N 128.2E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
075 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 325 DEG/ 03 KTS
---
72 HRS, VALID AT:
240000Z --- 13.9N 127.5E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT

RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 330 DEG/ 04 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250000Z --- 15.3N 126.7E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 325 DEG/ 06 KTS
---
120 HRS, VALID AT:
260000Z --- 17.3N 125.3E
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
210300Z POSITION NEAR 13.1N 130.4E.
TROPICAL STORM (TS) 18W (JELAWAT), LOCATED APPROXIMATELY 575 NM EAST
OF MANILA, PHILIPPINES, HAS TRACKED WEST-SOUTHWESTWARD AT 07 KNOTS
OVER THE PAST 06 HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z
IS 12 FEET. NEXT WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.
//
NNNN
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euro6208
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Re: WPAC: JELAWAT - Tropical Storm

#38 Postby euro6208 » Thu Sep 20, 2012 9:20 pm

Image

Image

extremely organized storm but very small...
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Meow

Re: WPAC: JELAWAT - Tropical Storm

#39 Postby Meow » Thu Sep 20, 2012 9:59 pm

euro6208 wrote:extremely organized storm but very small...

When a storm is weak, being smaller is better for organizing. :D

From the JMA’s forecast, Jelawat will become a STS soon.
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Re: WPAC: JELAWAT - Tropical Storm

#40 Postby euro6208 » Thu Sep 20, 2012 10:38 pm

Image

Image

potentially catastrophic typhoon for taiwan...euro doesn't even show a tropical storm in their current chart ...
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