Typhoon 9w Matsa at WPAC

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#41 Postby P.K. » Wed Aug 03, 2005 6:49 pm

Aslkahuna wrote:There is apparently either dry air or shear poleward of about 25N as this
is the third storm over open water to show this type of pattern in a row with the northern portion and convective core never being able to get it completely together. The other two failed to become typhoons while this one is currently stuck at 75 kt. Unusual track too, don't think I've seen a storm in August get up to Lat 36N in the Yellow Sea and not curve towards Korea.

Steve


Yesterday morning (About 15 hours ago) it looked to me like there was a lot of dry air in the north quadrant. It looks better now though. What I've noticed with this is the JMA had it at the same strength as the JTWC (Which would of course mean the JMA were seeing a stronger system). The JTWC seem to have re-increased their forecast again now though.

Here are the shear charts:

Image
Image

275
WTPQ21 RJTD 032100
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 032100UTC 22.8N 125.1E GOOD
MOVE NNW 07KT
PRES 955HPA
MXWD 080KT

50KT 90NM
30KT 325NM SOUTH 260NM NORTH
FORECAST
24HF 042100UTC 26.0N 123.5E 90NM 70%
MOVE NNW 08KT
PRES 940HPA
MXWD 085KT
45HF 051800UTC 28.7N 122.8E 150NM 70%
MOVE NNW 07KT
PRES 965HPA
MXWD 070KT
69HF 061800UTC 32.5N 122.2E 220NM 70%
MOVE N 09KT
PRES 980HPA
MXWD 055KT =

Image
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#42 Postby cycloneye » Wed Aug 03, 2005 10:11 pm


MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (MATSA) WARNING NR 017
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
040000Z --- NEAR 23.1N 124.8E
MOVEMENT PAST SIX HOURS - 325 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
170 NM SOUTHEAST QUADRANT
170 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
REPEAT POSIT: 23.1N 124.8E
---
FORECASTS:
12 HRS, VALID AT:
041200Z --- 24.6N 123.9E
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
170 NM SOUTHEAST QUADRANT
155 NM SOUTHWEST QUADRANT
OVER WATER
155 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 330 DEG/ 08 KTS
---
24 HRS, VALID AT:
050000Z --- 25.9N 123.0E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
150 NM SOUTHWEST QUADRANT
OVER WATER
155 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 335 DEG/ 07 KTS
---
36 HRS, VALID AT:
051200Z --- 27.1N 122.3E
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
150 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 48 HR POSIT: 335 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
060000Z --- 28.3N 121.6E
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
150 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
OVER WATER
130 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 72 HR POSIT: 335 DEG/ 07 KTS
---
72 HRS, VALID AT:
070000Z --- 30.8N 120.1E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
145 NM SOUTHEAST QUADRANT
120 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 345 DEG/ 06 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:
080000Z --- 33.0N 119.5E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 120 HR POSIT: 350 DEG/ 05 KTS
---
120 HRS, VALID AT:
090000Z --- 35.0N 119.1E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
040300Z POSITION NEAR 23.5N 124.6E.
TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 240 NM SOUTHWEST OF
OKINAWA, HAS TRACKED NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX
HOURS. RECENT MULTISPECTRAL IMAGERY REVEALS DEEP CONVECTION IS
STARTING TO WRAP AROUND THE CORE AND POLEWARD OUTFLOW HAS IMPROVED.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 040000Z IS 30 FEET. NEXT
WARNINGS AT 040900Z, 041500Z, 042100Z AND 050300Z.//

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#43 Postby senorpepr » Thu Aug 04, 2005 1:41 am

WDPN32 PGTW 040300
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/PROGNOSTIC REASONING FOR TYPHOON 09W WARNING NR 17//
RMKS/
1. FOR METEOROLOGISTS.
2. PROGNOSTIC REASONING FOR 040000Z TO 090000Z AUG 2005.
A. TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 240 NM SOUTH-
WEST OF OKINAWA, HAS TRACKED NORTHWESTWARD AT 10 KNOTS OVER THE PAST
SIX HOURS. RECENT MULTISPECTRAL IMAGERY REVEALS DEEP CONVECTION IS
STARTING TO WRAP AROUND THE CORE AND POLEWARD OUTFLOW HAS IMPROVED.
B. TY 09W IS BEING STEERED BY A BUILDING ANTICYCLONE CURRENTLY
SITUATED OVER THE SEA OF JAPAN. DURING THE NEXT 72 HOURS, THE ANTI-
CYCLONE IS FORECAST TO MOVE EASTWARD HOWEVER A RIDGE AXIS WILL REMAIN
OVER KOREA. THIS RIDGE WILL PROVIDE ENOUGH STEERING FLOW TO KEEP TY
09W ON A NORTHWEST TRACK THROUGH THE FORECAST PERIOD. THE MAJOR
SHORTWAVE TROUGH OVER CHINA IS PROJECTED TO FILL AND SHOULD NOT CAUSE
A SIGNIFICANT EASTWARD DEVIATION IN THE TRACK. THE AVAILABLE DYNAMIC
AIDS CONSISTING OF COAMPS, EGRR, GFDN, GFS, JGSM, JTYM, MM5, NOGAPS,
TCLAPS, AND WBAR ARE IN FAIR AGREEMENT WITH THE EXCEPTION OF COAMPS.
THIS FORECAST IS BASED ON A CONSENSUS OF ALL AVAILABLE DYNAMIC AIDS
WITH LESS EMPHASIS ON COAMPS.
C. DUE TO DAMPENED POLEWARD OUTFLOW AND CYCLING DEEP CONVECTION,
THE INTENSITY OF TY 09W HAS REMAINED STEADY. AS THE STEERING RIDGE
SHIFTS OVER KOREA AND JAPAN, WEAK POLEWARD OUTFLOW WILL DEVELOP AND
ALLOW THE INTENSITY TO SLIGHTLY INCREASE. HOWEVER, THE FORECAST TRACK
KEEPS THE SYSTEM CLOSE TO LAND AND A DISRUPTION IN SURFACE INFLOW ON
THE WESTERN SEMICIRCLE AFTER TAU 48 WILL BEGIN TO WEAKEN TY 09W. DUE
TO THESE CONDITIONS, THE SYSTEM IS EXPECTED TO INTENSIFY AT LESS
THAN A CLIMATOLOGICAL RATE.
D. CURRENT WIND RADII ARE BASED ON A 031925Z TRMM PASS AND 031800Z
UPPER AIR SOUNDINGS. FORECAST WIND RADII ARE BASED ON CLIMATOLOGY
FOR AN AVERAGE TO LARGE-SIZED SYSTEM INTERACTING WITH LAND.
E. TY 09W SHOULD MAKE LANDFALL INTO CHINA BY APPROXIMATELY TAU 48.
AS LONG AS THE SYSTEM REMAINS NEAR THE COASTLINE OR OVER LAND, IT
WILL CONTINUE TO WEAKEN AND BEGIN DISSIPATION BY TAU 72. BY TAU 120,
TY 09W SHOULD COMPLETELY DISSIPATE.
3. FORECAST TEAM: ALPHA//
NNNN



284
WTPQ21 RJTD 040300
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 040300UTC 23.6N 124.7E GOOD
MOVE NNW 08KT
PRES 955HPA
MXWD 080KT
50KT 90NM
30KT 325NM SOUTH 300NM NORTH
FORECAST
24HF 050300UTC 26.5N 122.8E 90NM 70%
MOVE NNW 08KT
PRES 945HPA
MXWD 085KT
45HF 060000UTC 29.5N 122.1E 150NM 70%
MOVE NNW 08KT
PRES 960HPA
MXWD 075KT
69HF 070000UTC 32.8N 121.4E 220NM 70%
MOVE NNW 08KT
PRES 975HPA
MXWD 060KT =
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#44 Postby hicksta » Thu Aug 04, 2005 2:19 am

This probably isnt the right thing to say. But since china is way overcrowded. Do they force people to evaucate...
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#45 Postby Matt-hurricanewatcher » Thu Aug 04, 2005 2:20 am

Heck I would not be suprized if China's goverment wishes for this.
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#46 Postby P.K. » Thu Aug 04, 2005 3:49 am

It has been all over the media there for the last few days so the people should be well aware of it.

938
WTPQ21 RJTD 040600
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 040600UTC 23.9N 124.5E GOOD
MOVE NNW 08KT
PRES 955HPA
MXWD 080KT

50KT 90NM
30KT 325NM SOUTH 300NM NORTH
FORECAST
24HF 050600UTC 26.6N 122.3E 90NM 70%
MOVE NW 07KT
PRES 950HPA
MXWD 080KT
48HF 060600UTC 29.9N 120.5E 150NM 70%
MOVE NNW 09KT
PRES 970HPA
MXWD 065KT
72HF 070600UTC 32.4N 118.4E 220NM 70%
MOVE NW 07KT
PRES 985HPA
MXWD 050KT =
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#47 Postby cycloneye » Thu Aug 04, 2005 5:26 am

NAVOCEANO STENNIS SPACE CENTER MS//N16//
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (MATSA) WARNING NR 018
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
040600Z --- NEAR 24.0N 124.7E
MOVEMENT PAST SIX HOURS - 350 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
170 NM SOUTHEAST QUADRANT
170 NM SOUTHWEST QUADRANT
170 NM NORTHWEST QUADRANT
OVER WATER
REPEAT POSIT: 24.0N 124.7E
---
FORECASTS:
12 HRS, VALID AT:
041800Z --- 25.4N 124.0E
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
170 NM SOUTHEAST QUADRANT
155 NM SOUTHWEST QUADRANT
OVER WATER
155 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 320 DEG/ 08 KTS
---
24 HRS, VALID AT:
050600Z --- 26.6N 122.8E
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
145 NM SOUTHWEST QUADRANT
OVER WATER
150 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 36 HR POSIT: 325 DEG/ 07 KTS
---
36 HRS, VALID AT:
051800Z --- 27.8N 121.8E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
OVER WATER
135 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 48 HR POSIT: 320 DEG/ 08 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
060600Z --- 29.0N 120.7E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 72 HR POSIT: 335 DEG/ 06 KTS
---
72 HRS, VALID AT:
070600Z --- 31.3N 119.3E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 96 HR POSIT: 010 DEG/ 05 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:
080600Z --- 33.2N 119.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
040900Z POSITION NEAR 24.3N 124.5E.
TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 205 NM SOUTHWEST
OF OKINAWA, HAS TRACKED NORTHWARD AT 09 KNOTS OVER THE PAST SIX
HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 040600Z IS 32 FEET.
NEXT WARNINGS AT 041500Z, 042100Z, 050300Z AND 050900Z.//

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#48 Postby P.K. » Thu Aug 04, 2005 11:05 am

633
WTPQ21 RJTD 041500
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 041500UTC 24.9N 124.0E GOOD
MOVE NW 07KT
PRES 955HPA
MXWD 080KT

50KT 90NM
30KT 350NM SOUTHEAST 300NM NORTHWEST
FORECAST
24HF 051500UTC 27.9N 122.0E 90NM 70%
MOVE NNW 08KT
PRES 955HPA
MXWD 075KT
45HF 061200UTC 30.2N 120.5E 150NM 70%
MOVE NNW 07KT
PRES 975HPA
MXWD 060KT
69HF 071200UTC 32.9N 118.7E 220NM 70%
MOVE NNW 07KT
PRES 985HPA
MXWD 050KT =

Image
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#49 Postby P.K. » Thu Aug 04, 2005 2:50 pm

Just as it did yesterday it now looks better this evening on the water vapour image. :lol: No doubt in the morning there will be a big gap to the north of the centre again.

Hope everyone is ok on those islands it has recently crossed.
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#50 Postby cycloneye » Thu Aug 04, 2005 10:05 pm

050300
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (MATSA) WARNING NR 021
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
050000Z --- NEAR 25.6N 123.3E
MOVEMENT PAST SIX HOURS - 320 DEGREES AT 04 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
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 - 180 NM NORTHEAST QUADRANT
180 NM SOUTHEAST QUADRANT
140 NM SOUTHWEST QUADRANT
OVER WATER
150 NM NORTHWEST QUADRANT
REPEAT POSIT: 25.6N 123.3E
---
FORECASTS:
12 HRS, VALID AT:
051200Z --- 26.8N 122.3E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 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 - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
OVER WATER
140 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 24 HR POSIT: 320 DEG/ 08 KTS
---
24 HRS, VALID AT:
060000Z --- 28.0N 121.2E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
130 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
OVER WATER
100 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 36 HR POSIT: 325 DEG/ 07 KTS
---
36 HRS, VALID AT:
061200Z --- 29.2N 120.2E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
125 NM SOUTHWEST QUADRANT
125 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 320 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
070000Z --- 30.2N 119.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 72 HR POSIT: 340 DEG/ 06 KTS
---
72 HRS, VALID AT:
080000Z --- 32.5N 118.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
050300Z POSITION NEAR 25.9N 123.0E.
TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 105 NM EAST-NORTHEAST
OF TAIPEI, TAIWAN, HAS TRACKED NORTHWESTWARD AT 04 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 050000Z IS 36
FEET. NEXT WARNINGS AT 050900Z, 051500Z, 052100Z AND 060300Z.//

NNNN
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#51 Postby P.K. » Fri Aug 05, 2005 6:04 am

046
WTPQ21 RJTD 050900
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 050900UTC 27.1N 122.9E GOOD
MOVE NNW 11KT
PRES 965HPA
MXWD 070KT

50KT 110NM SOUTHEAST 70NM NORTHWEST
30KT 325NM SOUTHEAST 250NM NORTHWEST
FORECAST
24HF 060900UTC 29.6N 120.9E 90NM 70%
MOVE NW 07KT
PRES 975HPA
MXWD 060KT
45HF 070600UTC 31.5N 119.7E 150NM 70%
MOVE NNW 07KT
PRES 990HPA
MXWD 045KT
69HF 080600UTC 34.5N 118.8E 220NM 70% TROPICAL DEPRESSION =
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#52 Postby cycloneye » Fri Aug 05, 2005 11:16 am

MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (MATSA) WARNING NR 023
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
051200Z --- NEAR 27.5N 122.2E
MOVEMENT PAST SIX HOURS - 315 DEGREES AT 11 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
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 - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT
180 NM SOUTHEAST QUADRANT
140 NM SOUTHWEST QUADRANT
OVER WATER
150 NM NORTHWEST QUADRANT
OVER WATER
REPEAT POSIT: 27.5N 122.2E
---
FORECASTS:
12 HRS, VALID AT:
060000Z --- 28.8N 121.1E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 24 HR POSIT: 325 DEG/ 07 KTS
---
24 HRS, VALID AT:
061200Z --- 30.0N 120.1E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 330 DEG/ 06 KTS
---
36 HRS, VALID AT:
070000Z --- 31.1N 119.4E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 48 HR POSIT: 345 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
071200Z --- 32.0N 119.1E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
051500Z POSITION NEAR 27.8N 121.9E.
TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 155 NM
NORTH-NORTHEAST OF TAIPEI, TAIWAN, HAS TRACKED NORTHWEST-
WARD AT 11 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNI-
FICANT WAVE HEIGHT AT 051200Z IS 28 FEET. NEXT WARNINGS
AT 052100Z, 060300Z, 060900Z AND 061500Z.//
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#53 Postby Aslkahuna » Fri Aug 05, 2005 3:47 pm

Matsa is weakening as it approaches landfall due to land interaction inhibiting inflow and the entrainment of dry air from off the land-didn't we see the same thing happen not too long ago off the NW FL Coast?

Steve
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#54 Postby cycloneye » Fri Aug 05, 2005 3:51 pm

052100
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (MATSA) WARNING NR 024
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
051800Z --- NEAR 28.2N 121.5E
MOVEMENT PAST SIX HOURS - 320 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
OVER WATER
020 NM NORTHWEST QUADRANT
OVER WATER
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
150 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
OVER WATER
090 NM NORTHWEST QUADRANT
OVER WATER
REPEAT POSIT: 28.2N 121.5E
---
FORECASTS:
12 HRS, VALID AT:
060600Z --- 29.5N 120.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 24 HR POSIT: 325 DEG/ 07 KTS
---
24 HRS, VALID AT:
061800Z --- 30.7N 119.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
052100Z POSITION NEAR 28.5N 121.2E.
TYPHOON (TY) 09W (MATSA), LOCATED APPROXIMATELY 180 NM SOUTH OF
SHANGHAI, CHINA, HAS TRACKED NORTHWESTWARD AT 09 KNOTS OVER THE PAST
SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 051800Z IS 21 FEET. NEXT
WARNINGS AT 060300Z, 060900Z AND 061500Z.//
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#55 Postby P.K. » Fri Aug 05, 2005 6:38 pm

622
WTPQ21 RJTD 052100
RSMC TROPICAL CYCLONE ADVISORY
NAME TY 0509 MATSA (0509)
ANALYSIS
PSTN 052100UTC 28.3N 121.3E GOOD
MOVE NW 09KT
PRES 970HPA
MXWD 065KT

50KT 100NM EAST 80NM WEST
30KT 300NM EAST 220NM WEST
FORECAST
24HF 062100UTC 30.0N 119.3E 80NM 70%
MOVE NW 06KT
PRES 985HPA
MXWD 050KT
45HF 071800UTC 32.9N 119.1E 150NM 70% TROPICAL DEPRESSION =
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