Wednesday, August 15, 2007

Super Typhoon SEPAT (EGAY) threatens Extreme Northern Luzon... [Update #006]


Typhoon2000 STORM UPDATE #006
Name: SUPER TYPHOON SEPAT [EGAY/09W/0708] 
Issued: 7:00 PM MANILA TIME (11:00 GMT) WED 15 AUGUST 2007
Next Update: 7:00 AM (23:00 GMT) THU 16 AUGUST
Source: JTWC TROPICAL CYCLONE WARNING #013
_______________________________________________________________________
 
 
SEPAT (EGAY) RAPIDLY INTENSIFIED TO A 240-KM/HR, CATEGORY
FOUR SYSTEM...BECOMES THE SECOND SUPER TYPHOON OF 2007
...
THREATENS EXTREME NORTHERN LUZON...STORM SIGNAL NUMBER ONE
NOW HOISTED OVER SELECTED PROVINCES IN EASTERN LUZON (SEE
BELOW).

*SEPAT continues to display a 22-km. Cloud-filled Eye, with
intense, central convective shield (from the EyeWall thru
the Inner Bands) measuring approx. 240 km across.

+ FORECAST OUTLOOK: SEPAT is expected to start moving NW'ly
for the next 06 hours before accelerating slightly towards
Batanes-Taiwan tomorrow morning. Within the next 24 hours,
this system might reach Category 5 strength with projected
wind speed of 260 km/hr - making it a very dangerous
Typhoon. SEPAT shall pass close to the northeast of Batanes
Group of Islands by Friday afternoon with winds down to only
240 km/hr. The 3 to 4-day forecast shows SEPAT making landfall
over Southern Taiwan early Saturday morning, Aug 18 around
2-3 AM HK time. It shall be off SE China (2nd landfall) as
a weakened Category 3 or 2 Typhoon - early Sunday morning,
Aug 19. This system shall dissipate off the mountainous
region of China on Monday, Aug 20

+ EFFECTS: SEPAT's western-most outer bands continues to
spread across the Bicol Region. Cloudy skies with passing
occasionally light to sometimes heavy rainfall can be ex-
pected along these bands. Winds will be light to moderate
with increasing big waves along the coast of Eastern Phili-
ppines.

+ CURRENT MONSOON INTENSITY: The Southwest (SW) Monsoon is
now being enhanced (pulled) by SEPAT. Cloudy skies with
passing light to moderate to sometimes heavy rains & SW'ly
winds of 20 km/hr or higher can be expected tonight or
tomorrow along Luzon and Visayas - becoming more frequent
& intense over the Western sections including Metro Manila
and Southern Tagalog Provinces. Mudslides and flooding is
likely along 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 PM MANILA TIME (09:00 GMT) 15 AUGUST
LOCATION OF EYE: LATITUDE 15.8º N...LONGITUDE 127.8º E
DISTANCE 1: 450 KM (243
NM) NE OF VIRAC, CATANDUANES, PH
DISTANCE 2: 610 KM (330 NM) ESE OF CASIGURAN, AURORA, PH
DISTANCE 3: 680 KM (367 NM) ESE OF TUGUEGARAO CITY, PH
DISTANCE 4: 710 KM (383 NM) SE OF APARRI, CAGAYAN, PH
MAX SUSTAINED WINDS [1-MIN AVG]: 240 KM/HR (130 KTS)
PEAK WIND GUSTS: 295 KM/HR (160 KTS)
SAFFIR-SIMPSON SCALE: CATEGORY FOUR (4)
MINIMUM CENTRAL PRESSURE (est.): 926 MILLIBARS (hPa)
RECENT MOVEMENT: WEST @ 11 KM/HR (06 KTS)
GENERAL DIRECTION: BATANES-TAIWAN AREA
STORM'S SIZE (IN DIAMETER): 630 KM (340 NM)/AVERAGE
MAX WAVE HEIGHT**: 41 FEET (12.4 METERS)
VIEW T2K TRACKING MAP: 5 PM MANILA TIME WED AUGUST 15
TSR WIND PROBABILITIESCURRENT TO 96 HRS LEAD
  

PHILIPPINE STORM SIGNALS*:
#01 -
CATANDUANES, CAGAYAN & ISABELA.
           
12, 24 & 48 HR. FORECAST:
2 AM (18 GMT) 16 AUGUST: 16.3N 127.2E / 260-315 KPH / NW @ 15 KPH
2 PM (06 GMT) 16 AUGUST: 17.7N 126.2E / 260-315 KPH / NW @ 22 KPH
2 PM (06 GMT) 17 AUGUST: 21.4N 122.8E / 240-295 KPH / NW @ 17 KPH

REMARKS: 2 PM (06 GMT) 15 AUGUST POSITION: 15.7N 128.0E.
^TYPHOON 09W (SEPAT) HAS INTENSIFIED TO SUPER TYPHOON
INTENSITY OVER THE PAST 12 HOURS.  THE SYSTEM HAS TRACKED
SLIGHTLY SOUTH OF WEST AS THE DEEP STEERING RIDGE TO THE
NORTH CONTINUES TO BUILD WESTWARD. THE LATEST ENHANCED IN-
FRARED IMAGES INDICATE A SMALL 12-NM DIAMETER CLOUD FILLED
EYE WITHIN A CENTRAL CONVECTIVE SHIELD THAT MEASURES APPROXI-
MATELY 130 NM ACROSS. A MICROWAVE 85GHZ IMAGE ALSO DEPICTS
THIS EYE FEATURE. ALTHOUGH POLEWARD OUTFLOW HAS DECREASED,
THE SYSTEM MAINTAINS VERY STRONG EQUATORIAL OUTFLOW AND
CONTINUES TO INTENSIFY OVER 29C TO 30C SEA SURFACE TEMPERA-
TURES. UPPER LEVEL RIDGING HAS CONTINUED TO AMPLIFY AHEAD
OF THE DEEP LONGWAVE TROUGH OVER CHINA, AND TY 09W IS NOW
APPROACHING A REGION OF STRONG NORTHEASTERLY (CONFLUENT)
FLOW ALOFT.
..(more)

>> SEPAT {pronounced: se~pa~t}, meaning: A fresh water fish 
   with small climbing perch, is often found in rivers, swampy
   areas with a lot of weeds and paddy fields. Name contributed 
   by:
Malaysia.

_______________________________________________________________________

PAGASA CURRENT POSITION, MOVEMENT AND INTENSITY (10-min. ave.): 
> 4 PM (08 GMT) 15 AUGUST: 15.7N 127.9E / WEST @ 09 KPH / 175 kph

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


RECENT T2K TRACKING CHART:


_______________________________________________________________________________________

 
RECENT MTSAT-1R SATELLITE IMAGE:


> Image source:  NOAA Satellite Page (http://www.ssd.noaa.gov)
__________________________________________________________________________________________

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
__________________________________________________________________________________________

:: Typhoon2000.com (T2K) Mobile >> Powered by: Synermaxx
Receive the latest storm updates directly to your mobile phones! To know more:
Send T2K HELP to: 2800
(GLOBE & TM) | 216 (SMART & TNT) | 2288 (SUN) 
Note: Globe & Smart charges P2.50 per message, while Sun at P2.00.
__________________________________________________________________________________________

For the complete details on STY SEPAT (EGAY)...go visit
our website @:

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

:: Kindly view our site's disclaimer at: 
   
http://www.typhoon2000.ph/disclaimer.htm


__._,_.___
Recent Activity
Visit Your Group
SPONSORED LINKS
Yahoo! Travel

Find Great Deals

Flights, Hotels,

Cars, Cruises...

HDTV Support

on Yahoo! Groups

Help with Samsung

HDTVs and devices

Featured Y! Groups

and category pages.

There is something

for everyone.

.

__,_._,___

No comments: