WPAC: UTOR - Post-Tropical

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Re: WPAC: UTOR - Tropical Storm

#101 Postby vrif » Fri Aug 09, 2013 9:08 pm

HKO has shifted their forecast more south.

Image
Forecast Positions and Intensities
Date time Position Classification Maximum sustained wind near centre
08:00 HKT 11 August 2013 15.3 N 126.6 E Severe Tropical Storm 110 km/h
08:00 HKT 12 August 2013 17.3 N 122.6 E Typhoon 140 km/h
08:00 HKT 13 August 2013 19.1 N 118.8 E Typhoon 140 km/h
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Meow

Re:

#102 Postby Meow » Fri Aug 09, 2013 9:14 pm

vrif wrote:Looks like JMA increased the wind strength

Only after 6 hours, JMA became more positive than JTWC. :lol:
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Re: WPAC: UTOR - Tropical Storm

#103 Postby vrif » Fri Aug 09, 2013 9:14 pm

The image speaks for itself.
Image
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Re: WPAC: UTOR - Tropical Storm

#104 Postby vrif » Fri Aug 09, 2013 9:20 pm

Image

WTPN31 PGTW 100300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 11W (UTOR) WARNING NR 006
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
100000Z --- NEAR 13.6N 130.5E
MOVEMENT PAST SIX HOURS - 275 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
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 13.6N 130.5E
---
FORECASTS:
12 HRS, VALID AT:
101200Z --- 14.0N 128.3E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 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 - 040 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 13 KTS
---
24 HRS, VALID AT:
110000Z --- 14.9N 125.8E
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 - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
095 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 285 DEG/ 12 KTS
---
36 HRS, VALID AT:
111200Z --- 15.6N 123.4E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
105 NM SOUTHWEST QUADRANT
105 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 290 DEG/ 11 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
120000Z --- 16.4N 121.3E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 290 DEG/ 13 KTS
---
72 HRS, VALID AT:
130000Z --- 18.2N 116.1E
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 - 110 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 290 DEG/ 13 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
140000Z --- 19.9N 110.7E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 290 DEG/ 12 KTS
---
120 HRS, VALID AT:
150000Z --- 21.6N 106.1E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
100300Z POSITION NEAR 13.7N 130.0E.
TROPICAL STORM 11W (UTOR), LOCATED APPROXIMATELY 556 NM EASTWARD
OF MANILA, PHILIPPINES, HAS TRACKED WESTWARD AT 12 KNOTS OVER THE
PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 100000Z IS 18 FEET. NEXT
WARNINGS AT 100900Z, 101500Z, 102100Z AND 110300Z.
//
NNNN
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Re: WPAC: UTOR - Tropical Storm

#105 Postby Yellow Evan » Fri Aug 09, 2013 9:25 pm

vrif wrote:The image speaks for itself.
Image


Looks close to typhoon status.
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Re:

#106 Postby 'CaneFreak » Fri Aug 09, 2013 9:29 pm

What's your thought on track? You agree with JTWC on track? Is JMA always this notoriously bad on forecast track?

Alyono wrote:How in the world do they have this missing the Philippines? So it is tracking south of every forecast that has LANDFALL in the Philippines, so JMA has this going NORTH of the Philippines?

Intensity forecast, however, is more reasonable. Still may be on the low side given the intensification
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Re: Re:

#107 Postby vrif » Fri Aug 09, 2013 9:35 pm

'CaneFreak wrote:What's your thought on track? You agree with JTWC on track? Is JMA always this notoriously bad on forecast track?

Alyono wrote:How in the world do they have this missing the Philippines? So it is tracking south of every forecast that has LANDFALL in the Philippines, so JMA has this going NORTH of the Philippines?

Intensity forecast, however, is more reasonable. Still may be on the low side given the intensification


I am going to butt in with my opinion on JMA's track. JMA probably was only looking at their own model when determining the track. Their model has been consistently tracking north of the Philippines in the last couple of runs. They probably turned a blind eye on all the other models. :roll:
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Re: Re:

#108 Postby Meow » Fri Aug 09, 2013 9:36 pm

'CaneFreak wrote:What's your thought on track? You agree with JTWC on track? Is JMA always this notoriously bad on forecast track?

JMA is also reasonable. Luzon is not like Taiwan which can attract a tropical cyclone. Besides, once intensity is much stronger, the steering level will be much taller, making the track more northward.
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#109 Postby 'CaneFreak » Fri Aug 09, 2013 9:36 pm

Utor now has an eye on floater satellite imagery and may be rapidly intensifying at this time.
Last edited by 'CaneFreak on Fri Aug 09, 2013 9:39 pm, edited 1 time in total.
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Re: Re:

#110 Postby 'CaneFreak » Fri Aug 09, 2013 9:46 pm

Actually, I just took a look at the steering levels and regardless of strength, this will stay on a west track. I think JMA is way out to lunch on this one. JTWC's forecast track looks good right about now.

Meow wrote:
'CaneFreak wrote:What's your thought on track? You agree with JTWC on track? Is JMA always this notoriously bad on forecast track?

JMA is also reasonable. Luzon is not like Taiwan which can attract a tropical cyclone. Besides, once intensity is much stronger, the steering level will be much taller, making the track more northward.
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Re: WPAC: UTOR - Tropical Storm

#111 Postby dexterlabio » Fri Aug 09, 2013 9:55 pm

There were times when I sided with JMA, but maybe not this time. Actually JMA is the only asian weather agency showing a northward track clipping Aparri. HKO, CWB, NMC and the Korean Met Agency are all showing landfall somewhere in Isabela area. I still trust though that whatever changes in their forecast will be posted in intermediate advisory. :)
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Re: WPAC: UTOR - Tropical Storm

#112 Postby jaguarjace » Fri Aug 09, 2013 9:59 pm

Here's a gif loop of the WPac:
Image
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#113 Postby Alyono » Fri Aug 09, 2013 10:29 pm

looks like Utor has a pinhole eye.

May be a lot more intense than 105 mph when it reaches the Philippines
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#114 Postby vrif » Fri Aug 09, 2013 10:51 pm

Upgraded to a STS

Image

WTPQ20 RJTD 100300
RSMC TROPICAL CYCLONE ADVISORY
NAME STS 1311 UTOR (1311) UPGRADED FROM TS
ANALYSIS
PSTN 100300UTC 13.8N 129.9E GOOD
MOVE W 10KT
PRES 975HPA
MXWD 060KT
GUST 085KT
50KT 40NM
30KT 120NM
FORECAST
24HF 110300UTC 15.2N 126.3E 70NM 70%
MOVE WNW 10KT
PRES 955HPA
MXWD 075KT
GUST 105KT
45HF 120000UTC 17.4N 124.2E 110NM 70%
MOVE WNW 10KT
PRES 950HPA
MXWD 080KT
GUST 115KT
69HF 130000UTC 19.9N 120.2E 160NM 70%
MOVE WNW 10KT
PRES 940HPA
MXWD 085KT
GUST 120KT =
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Re: WPAC: UTOR - Severe Tropical Storm

#115 Postby Yellow Evan » Fri Aug 09, 2013 11:00 pm

Image
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Re: WPAC: UTOR - Severe Tropical Storm

#116 Postby vrif » Fri Aug 09, 2013 11:06 pm

Yellow Evan wrote:Image


I can't see the image unless I am on VPN. =/
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Re: WPAC: UTOR - Severe Tropical Storm

#117 Postby euro6208 » Fri Aug 09, 2013 11:09 pm

wow! this is really a very compact storm with a pinhole eye appearing :double:
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Re: WPAC: UTOR - Severe Tropical Storm

#118 Postby vrif » Fri Aug 09, 2013 11:10 pm

euro6208 wrote:wow! this is really a very compact storm with a pinhole eye appearing :double:


Looking better and better every image! :D
Image
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Re: WPAC: UTOR - Severe Tropical Storm

#119 Postby euro6208 » Fri Aug 09, 2013 11:16 pm

vrif wrote:
euro6208 wrote:wow! this is really a very compact storm with a pinhole eye appearing :double:


Looking better and better every image! :D
Image



:roll: another underestimated typhoon...oh man do we need recon...
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Re: WPAC: UTOR - Severe Tropical Storm

#120 Postby vrif » Fri Aug 09, 2013 11:18 pm

WDPN31 PGTW 100300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL STORM 11W (UTOR) WARNING NR
06//
RMKS//
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL STORM (TS) 11W (UTOR), LOCATED APPROXIMATELY 556 NM
EASTWARD OF MANILA, PHILIPPINES, HAS TRACKED WESTWARD AT 12 KNOTS
OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) DEPICTS A RAPIDLY-DEEPENING, COMPACT SYSTEM WITH TIGHTLY
CURVED BANDING (TCB) WRAPPING INTO A LEVEL CIRCULATION CENTER
(LLCC). THE 0032Z MSI IMAGE INDICATES CLOUD TOPS ARE SINKING NEAR
THE CENTER OF THE CENTRAL DENSE OVERCAST, SUGGESTING A PIN-HOLE EYE
FEATURE MAY BE FORMING. A 092325Z SSMIS 91GHZ IMAGE REVEALS THE TCB
AND IMPROVING ORGANIZATIONAL STRUCTURE, ALTHOUGH A MICROWAVE EYE IS
NOT YET EVIDENT. THERE IS GOOD CONFIDENCE IN THE INITIAL POSITION,
WHICH IS BASED ON THE MSI AND FIXES FROM PGTW AND RJTD. THE INITIAL
INTENSITY IS ASSESSED AT 55 KTS BASED ON DVORAK ESTIMATES FROM PGTW
AND KNES, AND IS CONSISTENT WITH THE OBSERVED STRUCTURE AND
AVAILABLE AUTOMATED INTENSITY ESTIMATES. UPPER LEVEL ANALYSIS
INDICATES TS 11W IS IN A FAVORABLE ENVIRONMENT UNDERNEATH A
DIFFLUENT REGION OF THE SUBTROPICAL RIDGE (STR), WITH LOW (05-10
KNOTS) VERTICAL WIND SHEAR (VWS). ANIMATED WATER VAPOR IMAGERY
INDICATES NEAR-RADIAL OUTFLOW WITH EXCELLENT POLEWARD OUTFLOW INTO A
TUTT CELL NEAR TAIWAN AND INTO THE TUTT POSITIONED TO THE EAST-
NORTHEAST. UPPER-LEVEL OBSERVATIONS DEPICT A ZONAL PATTERN OVER
EASTERN ASIA WITH A STRONG EAST-WEST ORIENTED STR ENTRENCHED OVER
THE EAST CHINA SEA AND EXTENDING WESTWARD INTO INDOCHINA.
CONSEQUENTLY, TS 11W IS TRACKING WEST-NORTHWESTWARD ALONG THE
SOUTHERN PERIPHERY OF THE STR.
3. FORECAST REASONING.
A. NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE PREVIOUS
PROGNOSTIC REASONING MESSAGE.
B. TS 11W IS FORECAST TO TRACK WESTWARD TO WEST-NORTHWESTWARD
THROUGH TAU 72. THE DYNAMICAL AND ENSEMBLE MODELS ARE IN GENERALLY
GOOD AGREEMENT THROUGH TAU 72. SEVERAL OF THE DYNAMIC MODELS (GFS,
NAVGEM, ECMWF) INDICATE POSSIBLE WEAK BINARY INTERACTION WITH A
MINOR DISTURBANCE IN THE SOUTHERN SOUTH CHINA SEA (INVEST 97W). TS
11W IS FORECAST TO CONTINUE RAPID INTENSIFICATION TO A PEAK OF 90-95
KNOTS OVER THE NEXT 24 TO 36 HOURS DUE TO THE FAVORABLE UPPER-LEVEL
ENVIRONMENT, THEN WEAKEN AS IT MAKES LANDFALL OVER LUZON BEFORE TAU
48. AFTER RE-EMERGING IN THE SOUTH CHINA SEA, THE SYSTEM IS FORECAST
TO RE-INTENSIFY TO ABOUT 70 KNOTS AT TAU 72.
C. AFTER TAU 72, DYNAMIC MODEL GUIDANCE HAS DIVERGED SOMEWHAT IN
THE LATEST PACKAGE, WITH HALF THE CONSENSUS MEMBERS TAKING A MORE
NORTHERLY TRACK TOWARDS HONG KONG AS A RESULT OF A DEEPENING SHORT-
WAVE TROUGH MOVING IN FROM THE WEST. THE OTHER HALF OF THE GUIDANCE
MAINTAINS A STRONG STR, WITH CONTINUED WEST-NORTHWESTWARD MOTION.
THIS UNCERTAINTY IS ALSO SEEN AMONG THE ECMWF AND GFS ENSEMBLE
MEMBERS. THE NORTHWARD MOTION INTO THE STR MAY BE RESULTING
FROM THE POTENTIAL BINARY INTERACTION NOTED ABOVE. THE JTWC FORECAST
CALLS FOR THE STR TO MAINTAIN INTO THE INDOCHINA REGION, RESULTING
IN A TRACK OVER HAINAN ISLAND AND THEN TOWARDS HANOI, VIETNAM. TS
11W SHOULD INTENSIFY TO APPROXIMATELY 75 KNOTS PRIOR TO LANDFALL
OVER HAINAN. AFTER THAT TIME, LAND INTERACTION, DECREASING SEA
SURFACE TEMPERATURES, AND INCREASING VWS WILL RESULT IN CONTINUED
WEAKENING THROUGHOUT THE FORECAST PERIOD. DUE TO INCREASING SPREAD
AMONG THE GUIDANCE AFTER TAU 72, THE FORECAST TRACK CONFIDENCE HAS
DECREASED TO LOW.//
NNNN
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