Tuesday, September 18, 2007

Super Typhoon WIPHA (GORING) - Update #006


Typhoon2000 STORM UPDATE #006
Name: SUPER TYPHOON WIPHA [GORING/13W/0712] 
Issued: 7:00 PM MANILA TIME (11:00 GMT) TUE 18 SEPTEMBER 2007
Next Update: 7:00 AM (23:00 GMT) WED 19 SEPTEMBER
Source: JTWC TROPICAL CYCLONE WARNING #013
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
SUPER TYPHOON WIPHA (GORING) 
WEAKENED SLIGHTLY AFTER REACHING CATEGORY
FIVE THIS MORNING (250 KM/HR)...NOW PASSING TO THE NORTH OF TAIWAN...
AIMS FOR SOUTHEASTERN CHINA. 

+ FORECAST OUTLOOK: WIPHA is expected to accelerate NW for the next 12
hours and its core shall make landfall over Southeastern China as a
Category 4 between 3 to 4 AM tomorrow morning - passing close to the
east of Wenzhou City, China. It shall then pass to the West of Shang-
hai, China by Wednesday evening between 6 to 7 PM before exiting back
to sea (Yellow Sea) Thursday morning. The 2 to 3-day forecast depicts
WIPHA moving across the Yellow Sea as a downgraded Tropical Storm and
shall make another landfall and this time over North Korea on Thursday
evening, Sept 20. It shall become Extratropical after crossing the
Korean Peninsula on Friday, Sept 21

+ EFFECTS: WIPHA's core (eyewall & eye) remains at sea and is now pa-
ssing to the North of Taiwan. Its inner rainbands continues to spread
across Northern & Central Taiwan, while its outer rainbands remains
over Southern Taiwan. Typhoon-force winds with moderate to very heavy
rains can be expected along the eyewall, while gale-force winds with
light to moderate passing rains can be expected along its inner bands
with decreasing intensity over the outer bands. Coastal Storm Surge
flooding of more than 13 to 18 feet above normal tide levels...along
with large and dangerous battering waves can be expected near and to
the north of WIPHA's projected path especially over Northern Taiwan &
Southeastern China today. Flash floods and mudslides are imminent
along river banks, low-lying and mountainous regions of the affected
areas. Precautionary measures must be initiated as the powerful
typhoon approaches.

+ CURRENT MONSOON INTENSITY: Moderate to slightly strong Southwest
Monsoon embedded along the wet-phase of the Madden-Julian Oscillation
(MJO)
continues to be enhanced by powerful Typhoon WIPHA (GORING)
located over the Northernmost Philippine Sea. Cloudy skies with light
to moderate & sometimes heavy rainfall caused by thunderstorms & SW'ly
winds of 15 km/hr or higher can be expected along the western sections
of Southern Luzon, Bicol Region and Visayas becoming more intense along
Mindoro, Batangas, Palawan & Calamian Group, Romblon and the Western
portions of Panay and Negros Islands including Boracay and Guimaras.
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 PM MANILA TIME (09:00 GMT) 18 SEPTEMBER
LOCATION OF EYE: LATITUDE 26.1º N...LONGITUDE 122.2º E
DISTANCE 1: 135 KM (73
NM) NNE OF TAIPEI, TAIWAN
DISTANCE 2: 260 KM (140 NM) SE OF WENZHOU, CHINA
DISTANCE 3: 570 KM (308 NM) SSE OF SHANGHAI, CHINA
MAX SUSTAINED WINDS [1-MIN AVG]: 240 KM/HR (130 KTS)
PEAK WIND GUSTS: 295 KM/HR (160 KTS)
SAFFIR-SIMPSON SCALE: CATEGORY FOUR (4)
MINIMUM CENTRAL PRESSURE (est.): 926 MILLIBARS (hPa)
RECENT MOVEMENT: NW @ 28 KM/HR (15 KTS)
GENERAL DIRECTION: SOUTHEASTERN CHINA
STORM'S SIZE (IN DIAMETER): 815 KM (440 NM)/LARGE
MAX WAVE HEIGHT**: 36 FEET (10.9 METERS)
VIEW TRACKING MAP: 3 PM JAPAN TIME TUE SEPTEMBER 18
TSR WIND PROBABILITIESCURRENT TO 72 HRS LEAD
  

PHILIPPINE STORM SIGNALS*:
#01 - NOW LOWERED.
           
12, 24 & 48 HR. FORECAST:
2 AM (18 GMT) 19 SEPTEMBER: 27.8N 121.1E / 215-260 KPH / NNW @ 24 KPH
2 PM (06 GMT) 19 SEPTEMBER: 30.3N 120.4E / 140-165 KPH / N @ 30 KPH
2 PM (06 GMT) 20 SEPTEMBER: 37.1N 123.1E / 75-95 KPH / NE @ 42 KPH

REMARKS: 2 PM (06 GMT) 18 SEPTEMBER POSITION: 25.6N 122.6E.
^THE SYSTEM WAS UPGRADED ON THE PREVIOUS WARNING TO SUPER
TYPHOON (STY) STATUS AND HAS ESSENTIALLY MAINTAINED A 130-135 KNOT
INTENSITY OVER THE PAST 06-12 HOURS. THE SYSTEM HAS CONTINUED TO
TRACK WEST-NORTHWESTWARD AND PASSED JUST SOUTH OF ISHIGAKI JIMA
(47918) NEAR 17/21-22Z. HOURLY SURFACE OBSERVATIONS INDICATED MAX
SUSTAINED WINDS (10-MINUTE AVERAGE) OF 64 KNOTS GUSTING TO 88 KNOTS
AND MINIMUM SLP OF 951MB. THE MODELS HAVE REMAINED CONSISTENT OVER
THE PAST 24 HOURS AND ARE IN GOOD AGREEMENT WITH A RE-CURVE SCENARIO
INTO THE CENTRAL KOREAN PENINSULA
...(more)

>> WIPHA {pronounced: wee~faa}, meaning: Name of woman

   Name contributed by: Thailand.
_____________________________________________________________________________
 
PAGASA FINAL POSITION, MOVEMENT AND INTENSITY (10-min. ave.): 
> 4 PM (20 GMT) 18 SEPTEMBER: 25.9N 122.3E / NW @ 19 KPH / 175 kph

:: For the complete PAGASA bulletin, 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 STY WIPHA (GORING)...go visit
our website @:

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

:: Kindly view our site's disclaimer at: 
   
http://www.typhoon2000.ph/disclaimer.htm


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