Sunday, September 30, 2007

TD HANNA (90W) - Update #006


Typhoon2000 STORM UPDATE #006
Name: TROPICAL DEPRESSION HANNA [90W] 
Issued: 7:00 AM MANILA TIME (23:00 GMT) SUN 30 SEPTEMBER 2007
Next Update: 7:00 PM (11:00 GMT) SUN 30 SEPTEMBER
Source: JMA TC ADVISORY (29/2100Z)
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
TROPICAL DEPRESSION HANNA (90W) TRYING TO CONSOLIDATE OVER THE
SOUTH
CHINA SEA WHILE MOVING UNDER MODERATE WIND SHEAR CONDITIONS...MAY BE
A BIG THREAT TO VIETNAM IN THE COMING DAYS.

+ FORECAST OUTLOOK: HANNA is expected to continue moving West to WSW
across the South China Sea within 12-24 hours. It is likely to gain
strength as soon as it moves across favorable atmospheric conditions
along the
South China Sea. The 3 to 5-day forecast shows HANNA beco-
ming a strong Tropical Cyclone affecting the eastern coast of Vietnam.
Watch out for more forecast outlook soon

+ EFFECTS: HANNA's rain bands is now well over the South China Sea,
however, the SW outermost bands is currently approaching Vietnam,
which is also a part of the SW Monsoon. Cloudy skies with passing
light to moderate and sometimes heavy downpour can be expected along
Hanna'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 HANNA 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!

_____________________________________________________________________________

TIME/DATE: 5:00 AM MANILA TIME (21:00 GMT) 30 SEPTEMBER
LOCATION OF CENTER: LATITUDE 15.4º N...LONGITUDE 117.0º E
DISTANCE 1: 360 KM (195
NM) WSW OF DAGUPAN CITY, PH
DISTANCE 2: 400 KM (215 NM) WSW OF BAGUIO CITY, PH
DISTANCE 3: 320 KM (173 NM) WNW OF IBA, ZAMBALES, PH
DISTANCE 4: 360 KM (195 NM) WNW OF SUBIC BAY, PH
DISTANCE 5: 450 KM (245 NM) NW OF METRO MANILA, PH
MAX SUSTAINED WINDS [10-MIN AVG]: 55 KM/HR (30 KTS)
PEAK WIND GUSTS: 85 KM/HR (45 KTS)
SAFFIR-SIMPSON SCALE: N/A
MINIMUM CENTRAL PRESSURE (est.): 996 MILLIBARS (hPa)
RECENT MOVEMENT: WSW @ 19 KM/HR (10 KTS)
GENERAL DIRECTION: VIETNAM
STORM'S SIZE (IN DIAMETER): 630 KM (340 NM)/AVERAGE
MAX WAVE HEIGHT**: 10 FEET (3.0 METERS)
VIEW TRACKING MAP: 5 AM MANILA TIME SUN SEPTEMBER 30

PHILIPPINE STORM SIGNALS*:
#01 - NOW LOWERED.

REMARKS: 2 AM (18 GMT) 30 SEPTEMBER POSITION: 16.0N 117.3E.
^
...(more)
_____________________________________________________________________________
 
PAGASA CURRENT POSITION, MOVEMENT AND INTENSITY (10-min. ave.): 
> 4 AM (20 GMT) 30 SEPTEMBER: 16.1N 117.0E / WSW @ 22 KPH / 55 kph

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

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 TD HANNA (90W)...go visit
our website @:

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

:: Kindly view our site's disclaimer at: 
   
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