Sunday, July 08, 2007

Tropical Storm 04W (UNNAMED) - Update #01


Typhoon2000 STORM UPDATE #001 
Name: TROPICAL STORM 04W [UNNAMED] 
Issued: 1:00 PM MANILA TIME (05:00 GMT) SUN 08 JULY 2007
Next Update: 7:00 PM (11:00 GMT) SUN 08 JULY
Source: JTWC TROPICAL CYCLONE WARNING #003
_______________________________________________________________________
 
 
TROPICAL STORM 04W (UNNAMED) NEWLY-FORMED OVER THE CAROLINE
ISLANDS, SOUTH OF GUAM...CONSOLIDATING SLOWLY AS IT HEADS
NORTHWESTWARD TOWARDS YAP-ULITHI AREA.

+ FORECAST OUTLOOK: 04W is expected to continue intensifying
under favorable atmospheric conditions. This system shall
move in a generally steady NW'ly track for the next 3 to 5
days. It shall be passing about 300 km to the NE of Yap Is-
land Tuesday morning, July 10 as a Category 2 Typhoon, with
projected 1-min. sustained winds of 150 km/hr. Majority of
the computer forecast models continues to show a Taiwan-
Okinawa trajectory during the weekend of July 13-15. Based
on its current speed, 04W is forecast to enter the Phili-
ppine Area of Responsibility (PAR) around Wednesday after-
noon, July 11


+ EFFECTS: 04W's circulation continues to expand with its
outer cloud bands expected to reach Yap, Guam & the Southern
Mariana Islands late today or tomorrow
.

+ MONSOON INTENSITY FORECAST: The advance 4 to 5-day long-
range forecasts suggest a surge of moderate to strong South-
west (SW) Monsoon which is likely to affect the Philippines
sometime July 12-15 (Thu-Sat) due to the passage of 04W,
which is expected to enhance the Monsoon system.. Cloudy
skies with intermittent passing rains or thunderstorms can
be expected across the country w/ SW'ly winds of 20 km/hr
or higher, becoming more intense along Western Luzon & Wes-
tern Visayas including Metro Manila. Stay tuned for more
Monsoon updates in the coming days.

+ TROPICAL CYCLONE WATCH: The Tropical Disturbance (90W/
LPA/1008 MB) remains over the South China Sea. It was lo-
cated about 455 km WSW of Metro Manila (12.7N 117.2E)...
with wind speeds of 30 km/hr it was moving WNW @ 19 km/hr
towards South China Sea. This disturbance will be closely
monitored for possible development into a Tropical Depre-
ssion (TD) while over the South China Sea.


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: 11:00 AM MANILA TIME (03:00 GMT) 08 JULY
LOCATION OF CENTER: LATITUDE 7.0º N...LONGITUDE 146.2º E
DISTANCE 1: 730 KM (395 NM) SSE OF HAGATNA, GUAM
DISTANCE 2: 935 KM (505 NM) ESE OF COLONIA, YAP IS.
DISTANCE 3: 1,290 KM (695 NM) EAST OF PALAU
DISTANCE 4: 2,295 KM (1,240 NM) ESE OF SURIGAO CITY, 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.): 997 MILLIBARS (hPa)
RECENT MOVEMENT: NW @ 17 KM/HR (09 KTS)
GENERAL DIRECTION: YAP-ULITHI ISLANDS
STORM'S SIZE (IN DIAMETER): 670 KM (360 NM)/LARGE
MAX WAVE HEIGHT**: 14 FEET (4.2 METERS)
VIEW TRACKING MAP: 8 AM HKT SUN JULY 08
TSR WIND PROBABILITIESCURRENT TO 120 HRS LEAD
  
PHILIPPINE STORM SIGNALS*: N/A
           
12 & 24 HR. FORECAST:
8 PM (12 GMT) 08 JULY: 8.1N 145.0E / 85-100 KPH / NW @ 20 KPH
8 AM (00 GMT) 09 JULY: 9.5N 143.2E / 100-130 KPH / NW @ 20 KPH

REMARKS: 8 AM (00 GMT) 08 JULY POSITION: 6.6N 146.6E.
^TROPICAL STORM (TS) 04W HAS CONTINUED TO DEEPEN OVER THE
PAST 12 HOURS, AND HAS BEEN UPGRADED TO TROPICAL STORM STATUS.
ANIMATED INFRARED SATELLITE IMAGERY SHOWS INCREASED DEEP CON-
VECTION NEAR THE LOW LEVEL CIRCULATION CENTER (LLCC) AND A 
MICROWAVE PASS INDICATES IMPROVED BANDING IN THE NORTHWESTERN
QUADRANT OF THE STORM. TS 04W HAS TRACKED NORTHWESTWARD AT
09 KNOTS OVER THE PAST SIX HOURS..
.(more info)

_______________________________________________________________________
_______________________________________________________________________


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 04W (UNNAMED)...go visit
our website @:

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

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