Monday, November 19, 2007

TD 23W (NONAME) now over Siargao...[Update #002]


Typhoon2000 STORM UPDATE #002
Name: TROPICAL DEPRESSION 23W [NONAME] 
Issued: 1:00 PM MANILA TIME (05:00 GMT) MON 19 NOVEMBER 2007
Next Update: 7:00 PM (11:00 GMT) MON 19 NOVEMBER
Source: JTWC TROPICAL CYCLONE WARNING NUMBER 002
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.
_____________________________________________________________________________
 
 
TROPICAL DEPRESSION
23W (NONAME)...NOW PASSING OVER THE ISLAND OF SIARGAO
AND DINAGAT ISLANDS
...THREATENS SOUTHERN LEYTE, BOHOL, CEBU, NEGROS AND
PANAY PROVINCES. *RESIDENTS OF THE VISAYAS MUST TAKE ALL PRECAUTIONARY
MEASURES ON THIS INTENSIFYING SYSTEM AND MUST BE ALERTED TODAY.

Take Note: TD 23W is expected to intensify slowly at 10 to 30 kph per day
due mainly to land interaction as the system crosses the Central Phili-
ppines. It is possible that the system may intensify more rapidly since
it should track across the inland seas which historically can produce
rapid intensification.

+ FORECAST OUTLOOK: 23W is expected to slightly accelerate WNW and pass
very close to Surigao City this afternoon and shall become a Tropical
Storm while over the Southern tip of Leyte tonight. The center of 23W is
forecast to pass very close to Bohol early tomorrow morning, Nov 20 and
shall pass over Metropolitan Cebu around 3 to 4 AM Manila Time. The 24-hr
to 3-day forecast shows the depression crossing the Northern part of
Negros, passing very close to Bacolod City before noon tomorrow, Nov 20.
It shall pass to the South of Guimaras and Iloilo City tomorrow afternoon,
around 2 to 3 PM before crossing Panay Island on its way out into Sulu
Sea. By Wednesday morning, Nov 21, 23W shall be approaching the Northern
tip of Palawan with increase winds of near 100 km/hr and shall be over
the South China Sea Thursday morning (Nov 22)

+ EFFECTS: 23W's large rain circulation continues to affect and cover the
whole areas of the Visayas and Mindanao...bringing moderate to heavy rains
with winds not exceeding 60 km/hr today..becoming more intense along
Siargao Island, Surigao del Norte, Southern Samar, Southern Leyte, Cebu,
Negros & Bohol. Meanwhile, the Bicol Region is under the intense outer
rainbands of this disturbance accompanied with the NE Monsoon rains.
People living around the slopes of Mayon Volcano in Albay & of Bulusan
Volcano in Sorsogon - especially along the areas where possible LAHAR
FLOWS (mixture of volcanic mud and water) are located - must stay alert
as moderate to heavy rains w/ some strong winds associated by this dis-
turbance are likely to prevail today until tomorrow.

+ CURRENT MONSOON INTENSITY: Strong Northeast (NE) Monsoon enhanced by
23W will continue to bring cloudy skies with intermittent rains & strong
NE'ly winds of 30 km/hr or higher across Northern and Eastern Philippines.
Landslides, mudflows (lahars) and flooding is likely to occur along steep
mountain/volcano slopes, river banks, low-lying & flood-prone areas of the
affected areas, while big sea waves or surges generated by this monsoon can
affect the coastal and beach-front areas of Eastern Philippines.

+ TROPICAL CYCLONE WATCH: New Tropical Disturbance 93W (LPA/1007 MB) cu-
rrently organizing over Micronesia or about 680 km. SSE of Guam or 2,320
km. East of Mindanao (7.9N 147.5E). Moving West slowly...with wind speed
of 30 km/hr near the potential center. This system will be closely moni-
tored for further development into another significant Tropical Cyclone
in the coming days. Click HERE to view the latest satellite image on
this new developing system. 
 
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) 19 NOVEMBER
LOCATION OF CENTER: LATITUDE 9.7º N...LONGITUDE 126.1º E
DISTANCE 1: 65 KM (35
NM) EAST OF SURIGAO CITY, PH
DISTANCE 2: 215 KM (115 NM) SE OF TACLOBAN CITY, PH
DISTANCE 3: 250 KM (135 NM) EAST OF TAGBILARAN CITY, PH
DISTANCE 4: 250 KM (135 NM) ESE OF CEBU CITY, PH 
DISTANCE 5: 365 KM (197 NM) ESE OF BACOLOD CITY, PH
MAX WINDS [1-MIN AVG]: 55 KM/HR (30 KTS) NEAR THE CENTER
PEAK WIND GUSTS: 75 KM/HR (40 KTS)
SAFFIR-SIMPSON SCALE: N/A 
MINIMUM CENTRAL PRESSURE (est.): 1000 MILLIBARS (hPa)
RECENT MOVEMENT: WNW @ 13 KM/HR (07 KTS)
GENERAL DIRECTION: SOUTHERN LEYTE-BOHOL-CEBU AREA
STORM'S SIZE (IN DIAMETER): 500 KM (270 NM)/AVERAGE
MAX WAVE HEIGHT**: 10 FEET (3.0 METERS)
VIEW T2K TRACKING MAP: 11 AM MANILA TIME MON NOVEMBER 19
TSR WIND PROBABILITIESCURRENT TO 72 HRS LEAD  
PHILIPPINE STORM SIGNALS*: NONE

12, 24 & 48 HR. FORECAST:
8 PM (12 GMT) 19 NOVEMBER: 10.1N 125.1E / 75-95 KPH / WNW @ 17 KPH
8 AM (00 GMT) 20 NOVEMBER: 10.5N 123.4E / 85-100 KPH / W @ 15 KPH
8 AM (00 GMT) 21 NOVEMBER: 11.1N 120.1E / 95-120 KPH / W @ 15 KPH

REMARKS: 8 AM (00 GMT) 19 NOVEMBER POSITION: 9.5N 126.5E.
^TROPICAL DEPRESSION (TD) 23W HAS MAINTAINED INTENSITY OVER THE PAST
06 HOURS PRIMARILY DUE TO INTERACTION WITH LAND AS IT TRACKS TOWARD
NORTHEASTERN MINDANAO. SYNOPTIC SURFACE OBSERVATIONS FROM EASTERN
MINDANAO INDICATE SLP NEAR 1003 MB WITH 1 MB 24-HOUR PRESSURE FALLS.
ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A CONSOLIDATING
SYSTEM WITH DEVELOPING CONVECTIVE BANDING OVER THE NORTHERN AND
WESTERN SEMICIRCLE AND STRONG INFLOW AS EVIDENCED BY LOW-LEVEL
CLOUD LINES INDICATIVE OF ENHANCED WESTERLIES AND EASTERLIES.
AN 182335Z SSMI IMAGE DEPICTS EXCELLENT CONVECTIVE BANDING
WRAPPING INTO THE SOUTHERN QUADRANT OF THE SYSTEM
.
..(more)
_____________________________________________________________________________
_____________________________________________________________________________

RECENT T2K 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 23W (NONAME)...go visit
our website @:

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

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