Monday, September 29, 2008

TS JANGMI (OFEL) weakened rapidly... [Update #009]


Typhoon2000 STORM UPDATE #009
Name: TROPICAL STORM JANGMI [OFEL/19W/0815] 
Issued: 1:00 PM MANILA TIME (05:00 GMT) MON 29 SEPTEMBER 2008
Source: JOINT TYPHOON WARNING CENTER (JTWC) TC WARNING #022
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
JANGMI (OFEL) HAS RAPIDLY WEAKENED INTO A TROPICAL STORM...NOW OFF THE
NORTHERN COAST OF TAIWAN.

*Interests along Fujian Province of China should closely monitor the progress of JANGMI (OFEL).

+ FORECAST OUTLOOK: JANGMI is expected to begin recurving towards the
North to NNE later today & shall accelerate ENE-ward tomorrow across
the cooler waters of the East China Sea...becoming an Extratropical
Cyclone while passing to the south of Kyushu, Japan on October 1st.

+ EFFECTS: JANGMI's main circulation remains over Taiwan...heavy rains
and strong winds to continue over the area today...outer bands affecting
coastal areas of SE China and Extreme Northern Luzon...Passing moderate
to heavy squalls associated with its outer bands...with gusts not in
excess of 75 kph...with higher winds along the inner bands can be expec-
ed. 1-day rainfall accumulations of 200 up to 400 mm is possible along
the inner bands...with isolated accumulations of 500 mm near the center
of JANGMI espcially along the mountain slopes of Northern and Central
Taiwan. Residents in low-lying areas & steep slopes must remain alert
& seek evacuation for possible life-threatening flash floods & land-
lides due to the anticipated heavy rains brought about by this system.
Precautionary measures must be initiated if necessary. Possible coastal
Storm Surge flooding of up to 3 feet above normal tide levels...accompa-
ied by large and dangerous battering waves...is possible near the center
of JANGMI. Minimal damage is possible on this type of storm surge. Danger
from Rip Currents or Rip Tides can be also be expected along the beach-
front areas of Extreme Northern Luzon, Batanes-Calayan-Babuyan Group and
along the beach front areas of Southeastern China...with possible far-
fetched storm surge is possible along coastal areas of Eastern Luzon
with surf reaching 1 to 3 feet at most.

+ CURRENT MONSOON INTENSITY: Light to moderate Southwest (SW) Monsoon
continues to be enhanced by Typhoon JANGMI (OFEL) across Western Luzon.
Partly Cloudy to Cloudy skies with possible light to moderate passing
rains w/ at times heavy downpour & strong SW'ly winds not exceeding
55 km/hr can be expected
.

Important Note: Please keep in mind that the above forecast outlook,
effects & current monsoon intensity, and tropical cyclone watch changes 
every 06 to 12 hours!

_____________________________________________________________________________

TIME/DATE: 11:00 AM MANILA TIME (03:00 GMT) MON 29 SEP 2008 
LOCATION OF CENTER: LATITUDE 25.9º N...LONGITUDE 121.2º
DISTANCE 1: 110 KM (60
NM) NNW OF TAIPEI, TAIWAN 
DISTANCE 2: 190 KM (103 NM) EAST OF FUZHOU CITY, CHINA 
DISTANCE 3: 680 KM (367 NM) WSW OF OKINAWA, JAPAN 
MAX WINDS [1-MIN AVG]: 110 KM/HR (60 KTS) NEAR THE CENTER
PEAK WIND GUSTS: 140 KM/HR (75 KTS)
SAFFIR-SIMPSON SCALE: 
TROPICAL STORM 
COASTAL STORM SURGE HEIGHT: 0-3 FEET (0-0.9 METERS)
MINIMUM CENTRAL PRESSURE (est.): 978 MILLIBARS (hPa)
RECENT MOVEMENT: NNW @ 17 KM/HR (09 KTS)
GENERAL DIRECTION: EAST CHINA SEA
STORM'S SIZE (IN DIAMETER): 590 KM (320 NM)/
AVERAGE
MAX WAVE HEIGHT**: 28 FEET (8.5 METERS)
VIEW TRACKING MAP: 
8 AM MANILA TIME MON SEP 29
TSR WIND PROBABILITIESCURRENT TO 96 HRS LEAD  
PHILIPPINE STORM SIGNALS*: Now lowered.

12, 24, 48 & 72 HR. FORECAST:
8 PM (12 GMT) 29 SEPTEMBER: 27.0N 121.7E / 110-140 KPH / NE @ 19 KPH
8 AM (00 GMT) 30 SEPTEMBER: 28.4N 123.3E / 110-140 KPH / NE @ 24 KPH
8 AM (00 GMT) 01 OCTOBER: 30.4N 129.4E / 85-100 KPH / ENE @ 33 KPH
8 AM (00 GMT) 02 OCTOBER: 31.9N 137.4E / 65-85 KPH / ENE @ 37 KPH

REMARKS: 8 AM (00 GMT) 29 SEPTEMBER POSITION: 25.6N 121.0E.
^TROPICAL STORM (TS) JANGMI HAS CONTINUED TO WEAKEN RAPIDLY OVER
THE PAST 12 HOURS OVER NORTHERN TAIWAN AND HAS ONLY RECENTLY TRACKED
BACK OVER WATER. THE SYSTEM HAS TRACKED GENERALLY NORTHWARD DURING
THE PAST 12 HOURS AFTER A PERIOD OF ERRATIC MOVEMENT, AND HAS
ACCELERATED NORTH-NORTHWESTWARD AT 09 KNOTS OVER THE PAST 06 HOURS.
THE MODELS HAVE REMAINED IN GOOD AGREEMENT THROUGH TAU 36 AND
CONTINUE TO DIVERGE AFTER THIS TIME WHILE REMAINING IN FAIR
AGREEMENT
...
(more)

>> JANGMI, meaning: RoseName contributed by: Republic of Korea.
_____________________________________________________________________________

PAGASA FINAL POSITION, MOVEMENT AND INTENSITY (10-min. ave.): 
> 10 AM (02 GMT) 29 SEPTEMBER: 25.8N 121.3E / NNE @ 15 KPH / 95 kph

:: For the complete PAGASA bulletin, kindly visit their website at: 
   
http://www.pagasa.dost.gov.ph/wb/tcupdate.shtml
_____________________________________________________________________________

RECENT WUNDERGROUND TRACKING CHART:


_______________________________________________________________________________________

 
RECENT MTSAT-1R SATELLITE IMAGE:


> Image source:  NOAA Satellite Service (http://www.noaa.gov/)
__________________________________________________________________________________________

NOTES:
 
  ^ - JTWC commentary remarks (for Meteorologists) from their 
      latest warning.
 
  * - Based on PAGASA's Philippine Storm Warning Signals, 
      # 4 being the highest. For more explanations on these 
      signals, visit:
http://www.typhoon2000.ph/signals.htm

 ** - Based on the Tropical Cyclone's Wave Height near 
      its center.

__________________________________________________________________________________________

>>
To know the meteorological terminologies and acronyms 
   used on this update visit the ff:

    http://typhoon2000.ph/tcterm.htm  
    http://www.nhc.noaa.gov/aboutgloss.shtml
    http://www.srh.noaa.gov/oun/severewx/glossary.php
    http://www.srh.weather.gov/fwd/glossarynation.html
    http://www.nhc.noaa.gov/acronyms.shtml
__________________________________________________________________________________________

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For the complete details on TS JANGMI (OFEL)...go visit
our website @:

>
http://www.typhoon2000.com
http://www.maybagyo.com

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