Wednesday, September 19, 2007

Typhoon WIPHA (GORING) - Update #007


Typhoon2000 STORM UPDATE #007
Name: TYPHOON WIPHA [GORING/13W/0712] 
Issued: 7:00 AM MANILA TIME (23:00 GMT) WED 19 SEPTEMBER 2007
Next Update: 7:00 PM (11:00 GMT) WED 19 SEPTEMBER
Source: JTWC TROPICAL CYCLONE WARNING #015
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
WIPHA (GORING) 
DOWNGRADED TO CATEGORY THREE TYPHOON AFTER MAKING LANDFALL
VERY
CLOSE TO THE SOUTH OF WENZHOU CITY IN CHINA EARLY THIS MORNING...
STRONG WINDS AND HEAVY RAINS CONTINUES. 

+ FORECAST OUTLOOK: WIPHA is expected to accelerate NNW for the next 12
hours and shall turn Northward tonight passing far to the West of Shang-
hai. It is expected to be downgraded into a storm later today. The 2-day
forecast depicts WIPHA recurving NNE-ward across the Yellow Sea, becoming
an Extratropical Cyclone before passing over North Korea sometime Friday,
Sept 21st

+ EFFECTS: WIPHA's core (eyewall & eye) dissipating along SE China near
the City of Wenzhou. Its inner rainbands continues to spread across the
provinces of Zhejiang & Fujian in SE China, while its outer rainbands
remains over Taiwan. Typhoon-force winds with moderate to very heavy
rains can be expected along the core, while gale-force winds with light
to moderate passing rains can be expected along its inner bands with
decreasing intensity over the outer bands. 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
typhoon remains overland.

+ 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 Typhoon WIPHA (GORING). Cloudy skies
with light to moderate & sometimes heavy rainfall caused by thunder-
storms & SW'ly winds of 15 km/hr or higher can be expected along the
western sections of Central & Southern Luzon, Bicol Region and Visayas
becoming more intense along Zambales, Bataan, Metro Manila, 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 AM MANILA TIME (21:00 GMT) 19 SEPTEMBER
LOCATION OF EYE: LATITUDE 27.7º N...LONGITUDE 120.4º E
DISTANCE 1: 40 KM (22
NM) SSW OF WENZHOU, CHINA
DISTANCE 2: 210 KM (113 NM) NE OF FUZHOU, CHINA
DISTANCE 3: 400 KM (215 NM) SSW OF SHANGHAI, CHINA
MAX SUSTAINED WINDS [1-MIN AVG]: 185 KM/HR (100 KTS)
PEAK WIND GUSTS: 230 KM/HR (125 KTS)
SAFFIR-SIMPSON SCALE: CATEGORY THREE (3)
MINIMUM CENTRAL PRESSURE (est.): 956 MILLIBARS (hPa)
RECENT MOVEMENT: NW @ 20 KM/HR (11 KTS)
GENERAL DIRECTION: ZHEJIANG, CHINA
STORM'S SIZE (IN DIAMETER): 740 KM (400 NM)/LARGE
MAX WAVE HEIGHT**: 18 FEET (5.4 METERS)
VIEW TRACKING MAP: 2 AM JAPAN TIME WED SEPTEMBER 19
TSR WIND PROBABILITIESCURRENT TO 48 HRS LEAD
  
PHILIPPINE STORM SIGNALS*: N/A
           
12, 24 & 48 HR. FORECAST:
2 PM (06 GMT) 19 SEPTEMBER: 29.6N 119.7E / 110-140 KPH / N @ 33 KPH
2 AM (18 GMT) 20 SEPTEMBER: 33.2N 119.9E / 85-100 KPH / NNE @ 42 KPH
2 AM (18 GMT) 21 SEPTEMBER: 40.3N 126.7E / 65-85 KPH / NE @ 41 KPH

REMARKS: 2 AM (18 GMT) 19 SEPTEMBER POSITION: 27.1N 120.6E.
^THE SYSTEM HAS BEEN DOWNGRADED TO TYPHOON STATUS AFTER
MAINTAINING SUPER TYPHOON INTENSITY FOR 18 HOURS. SOME EROSION
OF THE DEEP CONVECTION ON THE WESTERN PORTION OF THE STORM HAS
BEEN OBSERVED OVER THE PAST 06 HOURS AS THE EYE OF THE STORM
PASSED WITHIN ABOUT 45 NM OF TAIWAN. THE EYE HAS BECOME MORE
RAGGED AND CLOUD FILLED OVER THE PAST 06 HOURS. THE SYSTEM HAS
TRACKED WEST-NORTHWEST TO NORTHWESTWARD AND HAS ACCELERATED
SLIGHTLY DURING THE PAST 12 HOURS...(more)

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

   Name contributed by: Thailand.
_____________________________________________________________________________
_____________________________________________________________________________

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 TY WIPHA (GORING)...go visit
our website @:

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

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