Bushman's Typhoon Blog: TS LEKIMA (HANNA)

Typhoon2000 STORM UPDATE #007

Name: TROPICAL STORM LEKIMA [HANNA/16W/0714]

Issued: 7:00 PM MANILA TIME (11:00 GMT) SUN 30 SEPTEMBER 2007
Next Update: 7:00 AM (23:00 GMT) MON 01 OCTOBER
Source: JTWC TROPICAL CYCLONE WARNING NUMBER 002
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.

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HANNA (16W) INTENSIFIED INTO A TROPICAL STORM

AND IS NOW KNOWN

INTERNATIONALLY AS LEKIMA...HEADS FOR VIETNAM.

+ FORECAST OUTLOOK: LEKIMA is expected to continue moving Westward

across the South China Sea for the next 12 to 24 hours before tur-

ning NW'ly. It is likely to become a Typhoon early Tuesday morning,

Oct 02. The 2 to 3-day forecast shows LEKIMA passing very close to

the SW Coast of Hainan Island around Wednesday morning, bringing

typhoon conditions to the island. Upon moving into the Gulf of

Tonkin, the potential typhoon shall turn more WNW and shall make

landfall over Northern Vietnam Thursday afternoon, Oct 04. LEKIMA

shall be downgraded into a Tropical Storm upon crossing the terrain

of North Vietnam, dissipating on Friday afternoon Oct 05 over

Northeastern Laos.

+ EFFECTS: LEKIMA's inner rain bands continues to expand but remains

over the South China Sea, however, the NW, Western and SW outer bands

remains across Vietnam, Hainan and portions of Myanmar, Laos & Cambo-

dia. Cloudy skies with passing light to moderate and sometimes heavy

downpour can be expected along Lekima's outer bands. 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 LEKIMA will continue to bring cloudy skies with

rains & South to SW'ly winds of 20 km/hr or higher across Western

Philippines becoming more frequent over NCR, Western Luzon, Western

Visayas, Southern Luzon and Bicol Region. Landslides and flooding

is likely to occur along steep mountain slopes, river banks, low-

lying & flood-prone areas of the affected areas.

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!
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TIME/DATE: 5:00 PM MANILA TIME (09:00 GMT) 30 SEPTEMBER
LOCATION OF CENTER: LATITUDE 14.9º N...LONGITUDE 114.1º E
DISTANCE 1: 645 KM (348 NM) ESE OF DA NANG, VIETNAM

DISTANCE 2: 720 KM (390 NM) ESE OF HUE, VIETNAM

DISTANCE 3: 605 KM (325 NM) SE OF SANYA, HAINAN IS.

DISTANCE 4: 610 KM (330 NM) SE OF QIONGHAI, HAINAN IS.

DISTANCE 5: 755 KM (410 NM) WNW OF METRO MANILA, PH

MAX SUSTAINED WINDS [1-MIN AVG]: 65 KM/HR (35 KTS)
PEAK WIND GUSTS: 85 KM/HR (45 KTS)
SAFFIR-SIMPSON SCALE: N/A
MINIMUM CENTRAL PRESSURE (est.): 996 MILLIBARS (hPa)
RECENT MOVEMENT: WSW @ 24 KM/HR (13 KTS)
GENERAL DIRECTION: VIETNAM
STORM'S SIZE (IN DIAMETER): 835 KM (450 NM)/LARGE
MAX WAVE HEIGHT**: 14 FEET (4.2 METERS)
VIEW TRACKING MAP: 2 PM MANILA TIME SUN SEPTEMBER 30
PHILIPPINE STORM SIGNALS*: N/A.

REMARKS: 2 PM (06 GMT) 30 SEPTEMBER POSITION: 14.9N 114.5E.
^...(more)
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RECENT TRACKING CHART:

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RECENT MTSAT-1R SATELLITE IMAGE:

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