Wednesday, November 25, 2009

Super Typhoon NIDA (26W) - Update #011

 


for Wednesday, 25 November 2009 [6:22 PM PST]

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Typhoon2000 (T2K) NEWS (Wed November 25 2009):

Currently issuing 6-hrly Advisories (except 12:00 AM) on STY NIDA (27W).


NIDA (26W) MAX WIND SPEED PER AGENCY:

+ USA (JTWC/1-min avg): 230 km/hr
+ Japan (JMA/10-min avg): 185 km/hr
+ Korea (KMA/10-min avg): 180 km/hr
+ Taiwan (CWB/10-min avg): 170 km/hr
+ Beijing (NMC/2-min avg): 160 kph

SUPER TYPHOON NIDA [26W/0922]
T2K PUBLIC ADVISORY NUMBER 011

6:00 PM PST (10:00 GMT) Wed 25 November 2009
Source: T2K Analysis/JTWC Warning #014 & RadarFix
View: Advisory Archives (2004-2009)

  • NIDA (26W) reaches Super Typhoon strength while continuing its journey across the Western Pacific Ocean, WSW of Guam...now a Category 5 howler w/ winds of 250 km/hr. Outer rainbands spreading across Guam and the Southern Marianas.

    *Residents and visitors along the Eastern Coast of the Philippines should closely monitor the progress of NIDA.

    *Do not use this for life or death decision. This advisory is intended for additional information purposes only. Kindly refer to your country's official weather agency for local warnings, advisories & bulletins.


    Current Storm Information

    Time/Date: 6:00 PM PST Wed Nov 25 2009
    Location of Eye: 12.3º N Lat 142.4º E Lon
    Distance 1: 285 km (183 nm) WSW of Guam, CNMI
    Distance 2: 565 km (305 nm) NE of Yap, FSM
    Distance 3: 805 km (435 nm) East of P.A.R.
    Distance 4: 1,835 km (990 nm) East of Visayas, PH
    MaxWinds (1-min avg):
    250 kph (135 kts) near the center
    Peak Wind Gusts: 305 kph (165 kts)
    6-hr Rain Amounts (near the center): 200 mm
    Minimum Central Pressure: 922 millibars (hPa)
    Saffir-Simpson Typhoon Scale: Category 5
    Present Movement: NW @ 22 kph (12 kts)
    Towards: Philippine Sea
    Size (in Diameter): 740 km (400 nm) / Large
    Max Sea Wave Height (near center): 24 ft (7.3 m)
    Coastal Storm Surge Height: >18 feet [5.5 m]
    Wunder TrackMap (for Public):
    2 PM PST Wed Nov 25

    + Forecast Outlook: NIDA is currently displaying a well-defined 30-km. diameter eye, surrounded with an intense eyewall...and is expected to continue moving NW to NNW for the next 5 days, reaching its peak winds of 270 km/hr by tomorrow afternoon (2PM Nov 26: 14.8N 140.6E). The 5-day Long-Range Forecast shows the system maintaining its Category 5 strength until early Friday morning (2AM Nov 27: 16.0N 139.9E)...while about 1,890 km East of Northern Luzon. NIDA will start to slow down and begin turning northward while losing strength on late Friday until Monday, as increasing upper-level winds (aka. Vertical Wind Shear) affects its circulation (2PM Nov 28: 18.6N 138.3E...2PM Nov 29: 19.6N 137.9E...2PM Nov 30: 21.1N 137.7E). Based on this forecast, this system is not a threat to the Philippine Islands. *Alternate Forecast Scenario (AFS): Half of its cluster of forecast models are showing NIDA to turn towards the left...tracking it towards the Philippines on a West to WSW motion due to an approaching High Pressure Ridge off China. This scenario remains poor at this time. Please be reminded that the Forecast Outlook changes every 6 hours, so a turn to the left or right of its future track and other possibilities must be considered.

    + Effects & Hazards: NIDA's northeastern outer rainbands now spreading across Southern Marianas including Guam, bringing moderate to sometimes heavy squalls across the area. 6-hr total rainfall amounts of 5 up to 100 mm (light to heavy rain) can be expected along the outer and inner bands...with isolated amounts of 200 mm (very heavy rain) near the center of Nida. Click here to view the latest NOAA's eTRaP graphic on the storm's rainfall amount. Possible coastal Storm Surge flooding of 9 to 12 feet above normal tide levels...accompanied by large and dangerous battering waves...is possible along the coastal areas of Southern Marianas including Guam. Extensive damage is likely on this type of storm surge.

    [Important Note: Please keep in mind that the above forecast outlook, effects, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!] 
    External Links for STY NIDA (27W)

    View NOAA-CIRA's
    Latest Wind Analysis
    JTWC Latest Tracking Chart:
    wp2609.gif
    TSR Wind Probabilities: Current to 5-days Ahead
    NASA-JAXA TMI Page: Latest Rainrate 01
    EORC-JAXA TRMM Page: Latest Rainrate 02
    Zoomed Satellite Pic:
    NOAA's Near Real-Time
    Wunderground Animation: 6-12 hr. GIF Loop

  • JTWC (US NAVY / AIR FORCE) 12, 24, 48 & 72 HR. FORECAST & REMARKS:

    2 AM (18 GMT) 26 NOVEMBER: 13.2N 141.7E / 260-315 KPH (TY-Cat 5) / NW @ 19 KPH 
    2 PM (00 GMT) 26 NOVEMBER: 14.8N 140.6E / 270-325 KPH (TY-Cat 5) / NNW @ 13 KPH 
    2 PM (00 GMT) 27 NOVEMBER: 17.1N 139.2E / 230-280 KPH (TY-Cat 4) / NNW @ 07 KPH
  • 2 PM (00 GMT) 28 NOVEMBER: 18.6N 138.3E / 205-250 KPH (TY-Cat 3) / NNW @ 05 KPH

    REMARKS: 2 PM (06 GMT) WED 25 NOVEMBER POSITION: 11.6N 143.0E.

    *OVER THE PAST SIX HOURS TY 26W HAS UNDERGONE A PERIOD OF RAPID
    INTENSIFICATION WITH RECENT DVORAK FIXES FROM PGTW AT 6.5 INDICATING
    A 125 KNOT SYSTEM. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS
    DEEP CONVECTION AROUND THE EYEWALL HAS CONTINUED TO EXPAND RADIALLY
    OUTWARD, WITH INCREASED SYMMETRY IN THE CONVECTIVE SIGNATURE. THE
    EYE HAS SEEN AN INCREASE IN DEFINITION, AND REMAINS APPROXIMATELY 20
    NM IN DIAMETER. THE SEA SURFACE TEMPERATURES HAVE REMAINED VERY
    FAVORABLE IN THE PAST 12 HOURS, WITH INDICATIONS THAT A WARM POOL
    NEAR 14N 142E WILL CAUSE FURTHER INTENSIFICATION IN THE NEXT 12 TO
    24 HOURS. UPPER LEVEL ANALYSIS SHOWS AN EXPANSION IN THE RADIAL
    OUTFLOW ALOFT, WITH A MID-LATITUDE TROUGH (CURRENTLY OVER EAST CHINA
    SEA) MOVING EASTWARD WITH AN EXPECTATION IT WILL INCREASE THE
    POLEWARD OUTFLOW. THE COMBINATION OF INCREASED SURFACE HEATING AND
    ENHANCED UPPER LEVEL OUTFLOW HAS CAUSED A CHANGE IN FORECAST
    REASONING FOR THE INTENSITY THROUGH 24 HRS, WITH A SIGNIFICANT
    INCREASE FROM THE PREVIOUS FORECAST. LATER HRS WILL STILL SEE AN
    INCREASE IN VERTICAL WIND SHEAR (VWS) ASSOCIATED WITH THE MID-
    LATITUDE WESTERLIES, CAUSING A SLOW WEAKENING BEYOND 72 HRS...
    (
    more)

    >> NIDA, meaning: Name of womanName contributed by: Thailand.
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    RECENT WUNDERGROUND.COM TRACKING CHART
    :


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    RECENT MTSAT-1R SATELLITE IMAGE:


    > Image source:  NOAA SATELLITE CENTER 
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    RECENT WUNDERGROUND SATELLITE ANIMATION


    > Image source:  Wunderground.com (http://www.wunderground.com/)
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    LATEST 6 HR. TOTAL RAINFALL AMOUNTS / ENSEMBLE TROPICAL RAINFALL POTENTIAL (eTRaP) 



    > Image source:  NOAA Satellite & Information Service (http://www.ssd.noaa.gov/PS/TROP/etrap.html)
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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
    __________________________________________________________________________________________

    For the complete details on STY NIDA (26W)...go visit our website @:

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

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    http://www.typhoon2000.ph/disclaimer.htm


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