Monday, July 30, 2007

Typhoon USAGI (05W) - Update #01


Typhoon2000 STORM UPDATE #001 
Name: TYPHOON USAGI [05W/0705] 
Issued: 7:00 AM MANILA TIME (23:00 GMT) MON 30 JULY 2007
Next Update: 7:00 PM (11:00 GMT) MON 30 JULY
Source: JTWC TROPICAL CYCLONE WARNING #006
_______________________________________________________________________
 
 
THE TROPICAL DISTURBANCE NORTH OF THE MARIANAS WHICH DEVELOPED
INTO A TROPICAL STORM, HAS BECOME THE 4TH TYPHOON OF 2007 NAMED
USAGI
(05W)...THREATENS SOUTHERN JAPAN
.

+ FORECAST OUTLOOK: USAGI is expected to turn towards the WNW
to NW'ly within 24 to 48 hours on a path towards Southern Japan.
The advance 3 to 5-day long-range forecast shows USAGI turning
more to the NNW to Northerly and becoming a Category 4 system
with winds of 230 km/hr. The core is forecast to make landfall
over the eastern part of Shikoku and traversing Honshu - passing
very close to Kyoto, Japan early Friday mornning, Aug 4. USAGI
shall be off the Northern coast of Honshu or over the Sea of
Japan early Saturday morning, Aug 5


+ EFFECTS: USAGI over-all circulation continues to expand with
its Western outer bands still affecting the Agrihan and other
small islands of Northernmost Mariana
.

+ MONSOON INTENSITY FORECAST: N/A.

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) 30 JULY
LOCATION OF EYE: LATITUDE 18.9º N...LONGITUDE 142.6º E
DISTANCE 1: 520 KM (280 NM) NW OF SAIPAN
DISTANCE 2: 670 KM (360 NM) SSE OF IWO TO, JAPAN
DISTANCE 3: 2,210 KM (1,195 NM) ENE OF APARRI, CAGAYAN
MAX SUSTAINED WINDS [1-MIN AVG]: 120 KM/HR (65 KTS)
PEAK WIND GUSTS: 150 KM/HR (80 KTS)
SAFFIR-SIMPSON SCALE: CATEGORY TWO (2)
MINIMUM CENTRAL PRESSURE (est.): 974 MILLIBARS (hPa)
RECENT MOVEMENT: WEST @ 19 KM/HR (10 KTS)
GENERAL DIRECTION: SOUTHERN JAPAN
STORM'S SIZE (IN DIAMETER): 610 KM (330 NM)/AVERAGE
MAX WAVE HEIGHT**: 20 FEET (6.0 METERS)
VIEW TRACKING MAP: 3 AM JST MON JULY 30
TSR WIND PROBABILITIESCURRENT TO 120 HRS LEAD
  
PHILIPPINE STORM SIGNALS*: N/A
           
12, 24 & 48 HR. FORECAST:
2 PM (06 GMT) 30 JULY: 19.6N 141.2E / 140-165 KPH / NW @ 20 KPH
2 AM (18 GMT) 31 JULY: 21.1N 139.6E / 165-205 KPH / NW @ 20 KPH
2 AM (18 GMT) 01 AUGUST: 24.9N 136.7E / 215-260 KPH / NNW @ 24 KPH

REMARKS: 2 AM (18 GMT) 30 JULY POSITION: 18.7N 143.1E.
^SYSTEM WAS UPGRADED TO TY STATUS BASED ON DVORAK INTENSITY
ESTIMATES OF 65 KNOTS AND EVIDENCE OF A DEVELOPING EYE ON
THE MOST RECENT TRMM MICROWAVE IMAGE..
.(more info)

_______________________________________________________________________
_______________________________________________________________________

RECENT 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 TY USAGI (05W)...go visit
our website @:

>
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