Bushman's Typhoon Blog: TD ISANG (91W)

for Tuesday, 14 July 2009 [6:54 PM PST]

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Typhoon2000 (T2K) NEWS (Tue July 14 2009):

Now issuing 6-hrly E-Mail, SMS & Web Updates on the TD ISANG [91W] (except 12:00 AM).

ISANG (91W) MAX WIND SPEED PER AGENCY:

+ Philippines (PAGASA/10-min avg): 55 km/hr
+ Japan (JMA/10-min avg): 45 km/hr
+ USA (JTWC/1-min avg): 35 km/hr

TROPICAL DEPRESSION ISANG [91W]
T2K PUBLIC ADVISORY NUMBER 001
As of 6:00 PM PST (10:00 GMT) Tue 14 July 2009
Source: T2K ANALYSIS / PAGASA BULLETIN #001
View: Advisory Archives (2004-2009)

The strong tropical disturbance (LPA) over the Southern Philippine Sea, east of Northern Mindanao has strengthened into a Tropical Depression locally named as ISANG (91W)...drifting WNW...may threaten the coastal areas of Eastern Visayas and Bicol Region.

*Residents and visitors along Eastern Visayas, Bicol Region and Eastern Luzon should closely monitor the progress of ISANG.

*Kindly refer to your local warnings & bulletins issued by your country's official weather agency. This advisory is intended for additional information purposes only.

+ Forecast Outlook: ISANG is expected to continue developing as it tracks towards the WNW to NW across the warm waters of the Philippine Sea. The 2 to 3-day medium range forecast shows ISANG passing about 150 to 200 km. to the east of Bicol Region on Thursday July 16 and shall be about 200 km. to the east of Cagayan on Friday July 17. This system is likely to reach Tropical Storm strength tomorrow.

+ Effects: ISANG's circulation remains disorganized but is expected to consolidate overnight until tomorrow. Its outer bands is expected to arrive over the eastern coast of Samar and Bicol Region late tomorrow...Light to Moderate to sometimes heavy rains with winds, squalls and thunderstorms can be expected along these bands.

+ Current SW Monsoon Intensity: WEAK >> Partly sunny to Cloudy skies w/ light to moderate occasional rains, thunderstorms, squalls and moderate SW winds not exceeding 35 kph can be expected over the following affected areas: MINDORO, SOUTHWESTERN LUZON, CALAMIAN GROUP, WESTERN PALAWAN AND PORTIONS OF WESTERN VISAYAS & MINDORO. Possible landslides, mudslides, mudflows (lahars) and life-threatening flash floods are likely to occur along steep mountain/volcanic slopes, river banks, low-lying & flood-prone areas of the affected areas.

+ Tropical Cyclone Watch:

(1) New Tropical Disturbance 94W (LPA) west of Luzon has been spotted organizing over the South China Sea...currently located near lat 16.2N lon 116.3E...or about 430 km West of Dagupan City...with 1-min maximum sustained winds of 30 kph...almost stationary while embedded within the broad Monsoon Trough (ITCZ).

This system will be closely monitored for possible development into a Significant Tropical Cyclone within the next 2 to 3 days. Kindly click the cool T2K Graphical Satellite Analysis, issued everyday @ 2 PM PST (06 GMT) on tropical systems across the Western Pacific.

[Important Note: Please keep in mind that the above forecast outlook, effects, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!]

Time/Date: 6:00 PM PST Tue July 14 2009
Location of Center: 9.2º N Lat 131.3º E Lon
Distance 1: 640 km (345 nm) ESE of Surigao City
Distance 2: 700 km (378 nm) SE of Borongan, E.Samar
Distance 3: 905 km (488 nm) SE of Virac, Catanduanes
Distance 4: 900 km (485 nm) SE of Sorsogon City
Distance 5: 1,010 km (545 nm) SE of Naga City
MaxWinds (10-min avg): 55 kph (30 kts) near the center
Peak Wind Gusts: 70 kph (38 kts)
Saffir-Simpson Scale: Tropical Depression
Coastal Storm Surge Height: 0 feet [0 m]
Central Pressure: 1000 millibars (hPa)
Recent Movement: WNW @ 19 kph (10 kts)
General Direction: Philippine Sea
Size (in Diameter): 350 km (190 nm) / Average
Max Sea Wave Height (near center): 8 ft (2.4 m)
PAGASA TrackMap (for Public): 2 PM PST Tue July 14
JTWC Ship Avoidance TrackMap: 00Z Tue July 14
Zoomed Satellite Pic: Near Real-Time
PAGASA 24, 48, 72 HR. FORECAST & REMARKS:
2 PM (06 GMT) 15 JULY: 11.8N 128.3E

2 PM (06 GMT) 16 JULY: 14.5N 125.9E

2 PM (06 GMT) 17 JULY: 17.8N 124.8E

REMARKS: 2 PM (06 GMT) 14 JULY POSITION: 9.2N 131.2E.
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RECENT PAGASA TRACKING CHART:

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RECENT MTSAT-1R SATELLITE IMAGE:

> Image source: NOAA SATELLITE CENTER

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NOTE:

^ - JTWC commentary remarks (for Meteorologists) from their latest warning.

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>> 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 ISANG (91W)...go visit our website @:

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

> http://www.typhoon2000.ph

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