Monday, September 24, 2007

Tropical Storm FRANCISCO (15W) - Update #001


Typhoon2000 STORM UPDATE #001
Name: TROPICAL STORM FRANCISCO [15W/0713] 
Issued: 7:00 AM MANILA TIME (23:00 GMT) MON 24 SEPTEMBER 2007
Next Update: 7:00 PM (11:00 GMT) MON 24 SEPTEMBER
Source: JTWC TROPICAL CYCLONE WARNING #004
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
TROPICAL STORM FRANCISCO (15W) WHICH DEVELOPED FROM A LARGE DISTURBANCE
LAST WEEK OVER THE NORTHERN PHILIPPINE SEA, IS NOW OVER THE WESTERN PART
OF THE SOUTH CHINA SEA...GAINING STRENGTH AS IT APPROACHES NORTHERN
HAINAN...STRONG WINDS AND RAINS AFFECTING THE AREA. 

+ FORECAST OUTLOOK: FRANCISCO is expected to pass over the Northern part
of Hainan this afternoon and weaken slightly as it enters the Gulf of
Tonkin. The center shall make landfall over Northern Vietnam tomorrow
Tuesday afternoon (approx 2-3 PM HK time). It is forecast to pass very
close to Hanoi tomorrow Tuesday night and dissipate Wednesday (Sept 26)
as it moves across the mountainous terrain of Northern Vietnam

+ EFFECTS: FRANCISCO's rain bands is now spreading across the Island of
Hainan and coastal areas of Western & Southwestern portions of Guangdong
Province. Strong winds and rains can be expected throughout the day.

+ CURRENT MONSOON INTENSITYSouthwest Monsoon
embedded along the wet-
phase of the Madden-Julian Oscillation (MJO) is currently being enhanced
by TS FRANCISCO centered near Hainan Island in the NW South China Sea.
This monsoon system will continue to bring cloudy skies with light to
moderate to sometimes heavy rainfall & SW'ly winds of 15 km/hr or higher
along Western Luzon becoming more frequent over Metro Manila, Subic Bay,
Ilocos Provinces, Mindoro, Batangas, Palawan & Panay. 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) 24 SEPTEMBER
LOCATION OF CENTER: LATITUDE 19.7º N...LONGITUDE 111.9º E
DISTANCE 1: 160 KM (85
NM) ENE OF QIONGHAI, HAINAN IS., CHINA
DISTANCE 2: 175 KM (95 NM) ESE OF HAIKOU, HAINAN IS., CHINA
DISTANCE 3: 235 KM (127 NM) SE OF ZHANJIANG, CHINA
DISTANCE 4: 375 KM (202 NM) SW OF HONG KONG, CHINA
MAX SUSTAINED WINDS [1-MIN AVG]: 85 KM/HR (45 KTS)
PEAK WIND GUSTS: 100 KM/HR (55 KTS)
SAFFIR-SIMPSON SCALE: N/A
MINIMUM CENTRAL PRESSURE (est.): 989 MILLIBARS (hPa)
RECENT MOVEMENT: WEST @ 26 KM/HR (14 KTS)
GENERAL DIRECTION: NORTHERN HAINAN-WESTERN GUANGDONG
STORM'S SIZE (IN DIAMETER): 575 KM (310 NM)/AVERAGE
MAX WAVE HEIGHT**: 15 FEET (4.5 METERS)
VIEW TRACKING MAP: 2 AM HK TIME MON SEPTEMBER 24
TSR WIND PROBABILITIESCURRENT TO 72 HRS LEAD
  
PHILIPPINE STORM SIGNALS*: N/A
           
12, 24 & 48 HR. FORECAST:
2 PM (06 GMT) 24 SEPTEMBER: 19.9N 110.5E / 85-100 KPH / W @ 19 KPH
2 AM (18 GMT) 25 SEPTEMBER: 20.2N 108.5E / 75-95 KPH / WNW @ 17 KPH
2 AM (18 GMT) 26 SEPTEMBER: 21.0N 104.9E / 55-75 KPH / WNW @ 11 KPH

REMARKS: 2 AM (18 GMT) 24 SEPTEMBER POSITION: 19.7N 112.4E.
^TROPICAL STORM (TS) 15W (FRANCISCO) HAS SLOWLY INTENSIFIED OVER THE
PAST 12 HOURS AND WAS UPGRADED TO A TROPICAL STORM DURING THIS TIME.
THE PRIMARY STEERING INFLUENCE HAS REMAINED THE LOW TO MID-LEVEL
SUBTROPICAL RIDGE LOCATED NORTH OF TAIWAN AND ORIENTED WEST TO
EAST, WHICH HAS LED TO A GENERALLY WEST TO WEST-SOUTHWESTWARD
TRACK OVER THE PAST 12 HOURS
...(more)

>> FRANCISCO {pronounced: FRAN~cis~co}, meaning: Chamorro man's name

   Name contributed by: USA.
_____________________________________________________________________________
_____________________________________________________________________________

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 FRANCISCO (15W)...go visit
our website @:

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

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