Typhoon2000 STORM UPDATE #007
Name: SUPER TYPHOON SEPAT [EGAY/09W/0708]
Issued: 7:00 AM MANILA TIME (23:00 GMT) THU 16 AUGUST 2007
Next Update: 7:00 PM (11:00 GMT) THU 16 AUGUST
Source: JTWC TROPICAL CYCLONE WARNING #015
Next Update: 7:00 PM (11:00 GMT) THU 16 AUGUST
Source: JTWC TROPICAL CYCLONE WARNING #015
_______________________________________________________________________
SUPER TYPHOON SEPAT (EGAY) IS NOW AN EXTREMELY CATASTROPHIC
CATEGORY 5 SYSTEM (BASED ON THE SAFFIR-SIMPSON TROPICAL CYC-
LONE SCALE) WITH WINDS OF 260 KM/HR...CONTINUES TO MOVECATEGORY 5 SYSTEM (BASED ON THE SAFFIR-SIMPSON TROPICAL CYC-
SLOWLY NORTHWESTERLY ACROSS THE PHILIPPINE SEA, JUST TO THE
EAST OF NORTHERN LUZON...THREAT TO EXTREME NORTHERN LUZON
AND TAIWAN CONTINUE TO INCREASE.
*SEPAT continues to display a 20-km. Cloud-filled Round Eye,
with intense, central convective shield (from the EyeWall
thru the Inner Bands) measuring approx. 250 km across.
+ FORECAST OUTLOOK: SEPAT is expected to start accelerating
*SEPAT continues to display a 20-km. Cloud-filled Round Eye,
with intense, central convective shield (from the EyeWall
thru the Inner Bands) measuring approx. 250 km across.
+ FORECAST OUTLOOK: SEPAT is expected to start accelerating
NW'ly for the next 24 to 48 hours and may reach its peak
winds of 270 km/hr later today. SEPAT shall pass close to
the northeast of Batanes Group of Islands by tomorrow after-
noon with winds down to only 250 km/hr. The 3 to 4-day fore-
cast shows SEPAT making landfall over Southern Taiwan early
Saturday morning, Aug 18 around 2-3 AM HK time. It shall be
off Southeastern China (2nd landfall) passing over or very
close to Xiamen City as a weakened Category 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 which was
+ EFFECTS: SEPAT's western-most outer bands which was
spreading across the Bicol Region yesterday, has moved
back to the Philippine Sea and has reached the provinces
of Cagayan, Isabela and Northern Aurora. Cloudy skies with
passing occasionally light to sometimes heavy rainfall can
be expected along these bands. Winds will be moderate with
increasing big battering waves along the coastline of
Eastern Luzon.
+ CURRENT MONSOON INTENSITY: The Southwest (SW) Monsoon now
+ CURRENT MONSOON INTENSITY: The Southwest (SW) Monsoon 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 today along Luzon and
Visayas - becoming more frequent & intense over the Western
sections including Metro Manila, Southern Tagalog Provinces,
Mindoro, Calamian Group, & Western Panay. Mudslides and floo-
ding 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 AM MANILA TIME (21:00 GMT) 16 AUGUST
LOCATION OF EYE: LATITUDE 17.0º N...LONGITUDE 126.8º E
DISTANCE 1: 510 KM (275 NM) ENE OF CASIGURAN, AURORA, PH
DISTANCE 2: 545 KM (295 NM) ESE OF TUGUEGARAO CITY, PH
DISTANCE 3: 560 KM (303 NM) ESE OF APARRI, CAGAYAN, PH
DISTANCE 4: 640 KM (345 NM) SE OF BASCO, BATANES
MAX SUSTAINED WINDS [1-MIN AVG]: 260 KM/HR (140 KTS)DISTANCE 4: 640 KM (345 NM) SE OF BASCO, BATANES
PEAK WIND GUSTS: 315 KM/HR (170 KTS)
SAFFIR-SIMPSON SCALE: CATEGORY FIVE (5)
MINIMUM CENTRAL PRESSURE (est.): 918 MILLIBARS (hPa)
RECENT MOVEMENT: NW @ 15 KM/HR (08 KTS)
GENERAL DIRECTION: BATANES-TAIWAN AREA
STORM'S SIZE (IN DIAMETER): 705 KM (380 NM)/LARGE
MAX WAVE HEIGHT**: 46 FEET (14.0 METERS)
VIEW T2K TRACKING MAP: 5 AM MANILA TIME THU AUGUST 16
TSR WIND PROBABILITIES: CURRENT TO 96 HRS LEAD
PHILIPPINE STORM SIGNALS*:
#01 - CATANDUANES, CAGAYAN & ISABELA.
12, 24 & 48 HR. FORECAST:
2 PM (06 GMT) 16 AUGUST: 18.1N 126.0E / 270-325 KPH / NW @ 19 KPH
2 AM (18 GMT) 17 AUGUST: 19.8N 124.7E / 270-325 KPH / NW @ 20 KPH
2 AM (18 GMT) 18 AUGUST: 22.7N 121.4E / 230-280 KPH / NW @ 13 KPH
REMARKS: 2 AM (18 GMT) 16 AUGUST POSITION: 16.6N 127.1E.
^TYPHOON 09W (SEPAT) HAS INTENSIFIED TO SUPER TYPHOON
INTENSITY OVER THE PAST 12 HOURS. THE SYSTEM HAS TRACKED
REMARKS: 2 AM (18 GMT) 16 AUGUST POSITION: 16.6N 127.1E.
^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
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.):
by: Malaysia.
____________
PAGASA CURRENT POSITION, MOVEMENT AND INTENSITY (10-min. ave.):
> 4 AM (20 GMT) 16 AUGUST: 16.9N 126.8E / NW @ 15 KPH / 185 kph
:: For the complete PAGASA bulletin, kindly visit their website
at: http://www.pagasa.dost.gov.ph/wb/tcupdate.shtml
:: For the complete PAGASA bulletin, kindly visit their website
at: http://www.pagasa.
_______________________________________________________________________
RECENT T2K TRACKING CHART:
RECENT MTSAT-1R SATELLITE IMAGE:
> Image source: NOAA Satellite Page (http://www.ssd.noaa.gov )
__________________________________________________________________________________________
NOTES:
> Image source: NOAA Satellite Page (http://www.ssd.
____________
^ - JTWC commentary remarks (for Meteorologists) from their
latest warning.
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 STY SEPAT (EGAY)...go visit
our website @:
> http://www.typhoon2000.com
> http://www.maybagyo.com
# 4 being the highest. Red letters indicate new areas
being hoisted. For more explanations on these signals,
visit: http://www.typhoon2
** - 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.
http://www.nhc.
http://www.srh.
http://www.srh.
http://www.nhc.
____________
:: Typhoon2000.
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.typhoon2
> http://www.maybagyo
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