Tuesday, October 02, 2007

TS LEKIMA (HANNA) - Update #009


Typhoon2000 STORM UPDATE #009
Name: TROPICAL STORM LEKIMA [HANNA/16W/0714] 
Issued: 7:00 PM MANILA TIME (11:00 GMT) MON 01 OCTOBER 2007
Next Update: 7:00 AM (23:00 GMT) TUE 02 OCTOBER
Source: JTWC TROPICAL CYCLONE WARNING NUMBER 005
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
TROPICAL STORM LEKIMA (HANNA) MOVING A LITTLE FASTER NORTHWESTERLY...
NOW THREATENS HAINAN ISLAND.

+ FORECAST OUTLOOK: LEKIMA is expected to move NW across the South
China Sea within the next 12 hours and is likely to become a Typhoon
tonight or early tomorrow. Its center is likely to pass very close to
the coast of Southern Hainan early Wednesday morning, Oct 03 reaching
its peak sustained winds of 140 km/hr. The 2 to 4-day forecast shows
LEKIMA entering the Gulf of Tonkin around Wednesday afternoon and
shall make landfall over North-Central Vietnam early Thursday morning,
Oct 04. It shall be downgraded into a Tropical Storm upon crossing
the mountains of North-Central Vietnam Thursday afternoon, and dissi-
pating on Friday afternoon Oct 05 over Central Laos

+ EFFECTS: LEKIMA's inner rain bands remains over the South China Sea
near the coast of Central Vietnam, however, the NW, Western and SW
outer bands continues to spread across Central Vietnam, Hainan and
portions of Laos, Thailand & Cambodia. Cloudy skies with passing light
to moderate and sometimes heavy downpour can be expected along Lekima's
outer bands...becoming more intense and windy as the inner bands moves
through. Flash floods and mudslides are imminent along river banks,
low-lying and mountainous regions of the affected areas.

+ CURRENT ITCZ/MONSOON INTENSITY: Moderate to strong Southwest (SW)
Monsoon enhanced by TS LEKIMA (HANNA) located over the South China Sea
- will continue to bring cloudy skies with intermittent rains & South
to SW'ly winds of 20 km/hr or higher across IndoChina becoming more
frequent over Southern Malaysia, Southern Thailand, Cambodia, & Sou-
thern Vietnam. Landslides and flooding is likely to occur along steep
mountain slopes, river banks, low-lying & flood-prone areas of the
affected areas.

+ TROPICAL CYCLONE WATCH: The new and strong Tropical Disturbance
(LPA/91W/1004 MB) over the Philippine Sea has developed into Tropical
Depression INENG...Watch for a separate email update on this system
tomorrow, Tuesday Oct 02.
 
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: 5:00 PM MANILA TIME (09:00 GMT) 01 OCTOBER
LOCATION OF CENTER: LATITUDE 16.0º N...LONGITUDE 112.7º E
DISTANCE 1: 480 KM (260
NM) EAST OF DA NANG, VIETNAM
DISTANCE 2: 545 KM (295 NM) ESE OF HUE, VIETNAM
DISTANCE 3: 420 KM (225 NM) SE OF SANYA, HAINAN IS.
DISTANCE 4: 425 KM (230 NM) SE OF QIONGHAI, HAINAN IS.
DISTANCE 5: 905 KM (490 NM) WNW OF METRO MANILA, PH
MAX SUSTAINED WINDS [1-MIN AVG]: 100 KM/HR (55 KTS)
PEAK WIND GUSTS: 130 KM/HR (70 KTS)
SAFFIR-SIMPSON SCALE: N/A 
MINIMUM CENTRAL PRESSURE (est.): 982 MILLIBARS (hPa)
RECENT MOVEMENT: NW @ 15 KM/HR (08 KTS)
GENERAL DIRECTION: HAINAN-GULF OF TONKIN AREA
STORM'S SIZE (IN DIAMETER): 835 KM (450 NM)/LARGE
MAX WAVE HEIGHT**: 23 FEET (7.0 METERS)
VIEW TRACKING MAP: 2 PM HONG KONG TIME MON OCTOBER 01
TSR WIND PROBABILITIESCURRENT TO 96 HRS LEAD  
PHILIPPINE STORM SIGNALS*: N/A

12, 24 & 48 HR. FORECAST:
2 AM (18 GMT) 02 OCTOBER: 16.8N 112.0E / 120-150 KPH / WNW @ 15 KPH
2 PM (06 GMT) 02 OCTOBER: 17.5N 110.6E / 140-165 KPH / WNW @ 15 KPH
2 PM (06 GMT) 03 OCTOBER: 18.6N 107.4E / 120-150 KPH / WNW @ 15 KPH

REMARKS: 2 PM (06 GMT) 01 OCTOBER POSITION: 15.8N 112.9E.
^
TROPICAL STORM (TS) 16W (LEKIMA) HAS MAINTAINED INTENSITY, BUT
CONVECTION HAS MOVED CLOSER TO THE LOW LEVEL CIRCULATION CENTER (LLCC),
WHICH WAS FULLY EXPOSED 12 HOURS EARLIER. THE STORM HAD TEMPORARILY
STALLED IN A REGION OF WEAK STEERING, BUT NOW A MID LEVEL RIDGE OVER
SOUTHEASTERN CHINA HAS BUILT IN NORTH OF THE STORM, ALLOWING FOR
INCREASED WEST-NORTHWESTWARD MOTION...
(more)

>> LEKIMA {pronounced: le~kee~mah}, meaning: A kind of tree whose fruit
   has only one seed surrounded by yellow pulp which looks like a yolk
   Name contributed by: Vietnam.

_____________________________________________________________________________
_____________________________________________________________________________

RECENT TRACKING CHART:


_______________________________________________________________________________________

 
RECENT MTSAT-1R SATELLITE IMAGE:


> Image source:  Digital-Typhoon.org (Nat'l. Institute of Informatics) (http://www.digital-typhoon.org)
__________________________________________________________________________________________

NOTES:
 
  ^ - JTWC commentary remarks (for Meteorologists) from their 
      latest warning.
 
  * - Based on PAGASA's Philippine Storm Warning Signals, 
      # 4 being the highest. Red letters indicate new areas 
      being hoisted.
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 LEKIMA (HANNA)...go visit
our website @:

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

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