WPAC: KROSA - Tropical Storm

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Meow

Re: WPAC: KROSA - Tropical Storm

#81 Postby Meow » Sun Nov 03, 2013 10:27 pm

HurricaneBill wrote:I've noticed late in the season, typhoons that hit the Philippines tend to meander around once they get into the South China Sea. Rather than hitting China or Vietnam, they often stall, move slowly in loops, and spin down. Why is that?

Cold SST and dry air weaken the storm, and then it will be steered by the northeast monsoon.
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Re: WPAC: KROSA - Tropical Storm

#82 Postby euro6208 » Sun Nov 03, 2013 10:33 pm

Image

WTPN31 PGTW 040300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL DEPRESSION 29W (KROSA) WARNING NR 025
DOWNGRADED FROM TROPICAL STORM 29W
03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
040000Z --- NEAR 18.6N 112.3E
MOVEMENT PAST SIX HOURS - 230 DEGREES AT 11 KTS
POSITION ACCURATE TO WITHIN 010 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
REPEAT POSIT: 18.6N 112.3E
---
FORECASTS:
12 HRS, VALID AT:
041200Z --- 16.8N 110.3E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 24 HR POSIT: 225 DEG/ 13 KTS
---
24 HRS, VALID AT:
050000Z --- 15.0N 108.4E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
040300Z POSITION NEAR 18.1N 111.8E.
TROPICAL DEPRESSION (TD) 29W (KROSA), LOCATED APPROXIMATELY 246 NM
SOUTH-SOUTHWEST OF HONG KONG, HAS TRACKED SOUTHWESTWARD AT 11 KNOTS
OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
SHOWS THE LOW LEVEL CIRCULATION CENTER HAS BECOME FULLY EXPOSED AND
STRIPPED OF ANY SIGNIFICANT CONVECTION. THE INITIAL POSITION IS BASED
ON THE ABOVE ANIMATION WITH HIGH CONFIDENCE. THE INITIAL INTENSITY IS
DEDUCED FROM DVORAK ESTIMATES FROM ALL AGENCIES AND REFLECTS THE
RAPID WEAKENING TREND. TD 29W IS EXPECTED TO WEAKEN TO BELOW THE
25-KNOT WARNING THRESHOLD BY TAU 12 AS PERSISTENTLY HIGH VERTICAL
WIND SHEAR CONTINUES TO ERODE THE SYSTEM. THIS IS THE FINAL WARNING
ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE
SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 040000Z IS 18 FEET. REFER TO TROPICAL
DEPRESSION 30W (THIRTY) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY
UPDATES. REFER TO TROPICAL STORM 31W (THIRTYONE) WARNINGS (WTPN33
PGTW) FOR SIX-HOURLY UPDATES. //
NNNN
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Remember, all of my post aren't official. For official warnings and discussions, Please refer to your local NWS products...

NWS for the Western Pacific

http://www.prh.noaa.gov/guam/

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#83 Postby Grifforzer » Mon Nov 04, 2013 3:09 am

Still a Gale Warning being issued by JMA

** WTPQ20 RJTD 040600 ***
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 1329 KROSA (1329)
ANALYSIS
PSTN 040600UTC 17.7N 111.4E FAIR
MOVE SW 12KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 120NM NORTHWEST 90NM SOUTHEAST
FORECAST
24HF 050600UTC 13.0N 107.6E 85NM 70% TROPICAL DEPRESSION =
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Meow

#84 Postby Meow » Mon Nov 04, 2013 8:43 am

Rest in peace

Image

TD
Issued at 13:05 UTC, 4 November 2013

<Analyses at 04/12 UTC>
Scale -
Intensity -
TD
Center position N17°00'(17.0°)
E110°00'(110.0°)
Direction and speed of movement SW 30km/h(15kt)
Central pressure 1008hPa
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