Bushman's Typhoon Blog: TD HANNA (90W)

Typhoon2000 STORM UPDATE #005

Name: TROPICAL DEPRESSION HANNA [90W]

Issued: 9:00 PM MANILA TIME (13:00 GMT) SAT 29 SEPTEMBER 2007
Next Update: 7:00 AM (23:00 GMT) SUN 30 SEPTEMBER
Source: T2K UNOFFICIAL TC ADVISORY #009
Note: Kindly refer to your country's official warnings or bulletins. This update is for additional information purposes only.

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TROPICAL DEPRESSION HANNA (90W)

HAS ACCELERATED WEST-SOUTHWEST ACROSS

LUZON, PASSING OVER THE PROVINCES OF NUEVA VIZCAYA, NUEVA ECIJA, AND

PANGASINAN THIS AFTERNOON...NOW OFF THE COAST OF ZAMBALES. WIDESPREAD

RAINS CONTINUES ACROSS WESTERN LUZON.

+ FORECAST OUTLOOK: HANNA is expected to continue moving West to WSW

across the South China Sea within 24 hours. It is likely to gain

strength as it moves across favorable atmospheric conditions of the

South China Sea. The 3 to 5-day forecast shows HANNA becoming a strong

Tropical Cyclone affecting the eastern coast of Vietnam. Watch out for

more forecast outlook soon.

+ EFFECTS: HANNA's rain bands continues to spread across the island of

Luzon (except for Bicol Region) becoming more intense along the Western

and Central sections particularly along mountain regions of Zambales,

Benguet and Cordillera. Cloudy skies with widespread rains can be

expected along these bands. Flash floods and mudslides are imminent

along river banks, low-lying and mountainous regions of the affected

areas.

+ CURRENT ITCZ/MONSOON INTENSITY: Moderate to strong Southwest (SW)

Monsoon enhanced by HANNA will continue to bring cloudy skies with

rains & SW'ly winds of 20 km/hr or higher across Western Philippines

becoming more frequent over Sulu Sea, Palawan, Mindoro, Western and

Central Visayas and Western Mindanao. 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!
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TIME/DATE: 6:00 PM MANILA TIME (10:00 GMT) 29 SEPTEMBER
LOCATION OF CENTER: LATITUDE 15.6º N...LONGITUDE 118.9º E {T2K SATFIX}
DISTANCE 1: 155 KM (83 NM) WSW OF DAGUPAN CITY, PH

DISTANCE 2: 200 KM (108 NM) WSW OF BAGUIO CITY, PH

DISTANCE 3: 125 KM (67 NM) WNW OF IBA, ZAMBALES, PH

DISTANCE 4: 175 KM (95 NM) NW OF SUBIC BAY, PH

DISTANCE 5: 260 KM (140 NM) NW OF METRO MANILA, PH

MAX SUSTAINED WINDS [1-MIN AVG]: 45 KM/HR (25 KTS)
PEAK WIND GUSTS: 65 KM/HR (35 KTS)
SAFFIR-SIMPSON SCALE: N/A
MINIMUM CENTRAL PRESSURE (est.): 1002 MILLIBARS (hPa)
RECENT MOVEMENT: WSW @ 33 KM/HR (18 KTS)
GENERAL DIRECTION: SOUTH CHINA SEA
STORM'S SIZE (IN DIAMETER): 630 KM (340 NM)/AVERAGE
MAX WAVE HEIGHT**: 9 FEET (2.7 METERS)
VIEW T2K TRACKING MAP: 6 PM MANILA TIME SAT SEPTEMBER 29

PHILIPPINE STORM SIGNALS*:

#01 - ABRA, KALINGA, ILOCOS SUR, MT. PROVINCE, IFUGAO, BENGUET,

LA UNION, NUEVA VIZCAYA, NUEVA ECIJA, PANGASINAN, TARLAC,

ZAMBALES, PAMPANGA, BATAAN AND BULACAN.

REMARKS: 2 PM (06 GMT) 29 SEPTEMBER POSITION: 15.7N 120.5E.
^...(more)
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PAGASA CURRENT POSITION, MOVEMENT AND INTENSITY (10-min. ave.):

> 4 PM (08 GMT) 29 SEPTEMBER: 16.5N 120.6E / W @ 22 KPH / 55 kph

:: For the complete PAGASA bulletin/track, kindly visit their website at:
http://www.pagasa.dost.gov.ph/wb/tcupdate.shtml

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RECENT T2K TRACKING CHART:

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RECENT MTSAT-1R SATELLITE IMAGE:

> Image source: Digital-Typhoon.org (Nat'l. Institute of Informatics) (http://www.digital-typhoon.org)
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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.
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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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