Saturday, November 28, 2009

Extreme Catastrophic Super Typhoon NIDA (26W)

NIDA (26W) MAX WIND SPEED PER AGENCY:

+ USA (JTWC/1-min avg): 270 km/hr
+ Japan (JMA/10-min avg): 175 km/hr
+ Korea (KMA/10-min avg): 185 km/hr
+ Hong Kong (HKO/10-min avg): 185 km/hr
+ Taiwan (CWB/10-min avg): 190 km/hr
+ Beijing (NMC/2-min avg): 200 kph

SUPER TYPHOON NIDA [26W/0922]
T2K PUBLIC ADVISORY NUMBER 020
6:00 PM PST (10:00 GMT)
Sat 28 November 2009
Source: T2K Analysis/JTWC Warning #026 & SatFix
# View: Advisory Archives (2004-2009)

Extreme Catastrophic Super Typhoon NIDA (26W) still nearly stationary...weakened slightly to 270 km/hr (Category 5).

*Residents and visitors along the Iwo To and Chichi Jima Islands 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 Sat Nov 28 2009
Location of Eye: 19.1º N Lat 139.0º E Lon
Distance 1: 665 km (360 nm) SSW of Iwo To
Distance 2: 450 km (240 nm) East of P.A.R.
Distance 3: 1,790 km (965 nm) ENE of Extreme N.Luzon, PH
MaxWinds (1-min avg): 270 kph (145 kts) near the center
Peak Wind Gusts: 325 kph (175 kts)
6-hr Rain Amounts (near the center): 250 mm [Heavy]
Minimum Central Pressure: 914 millibars (hPa)
Saffir-Simpson Typhoon Scale: Category 5
Present Movement: Quasi-Stationary
Towards: Iwo To-Chichi Jima Islands
Size (in Diameter): 775 km (420 nm) / Large
Max Sea Wave Height (near center): 34 ft (10.3 m)
Coastal Storm Surge Height: >18 feet [>5.5 m]
Wunder TrackMap (for Public): 2 PM PST Sat Nov 28

+ Forecast Outlook: NIDA is expected to drift slowly northeastward and will start weakening within the next 2 days. It will pass due south of Iwo To Monday afternoon (2PM Nov 30: 22.0N 141.6E). The 3 to 4-day Medium-Range Forecast shows the system downgraded to a Tropical Storm upon entering the mid-latitude westerly windflow (westerlies) & accelerate slightly ENE-ward on Tuesday afternoon (2PM Dec 01: 23.5N 143.5E)...about 265 km SE of Iwo To. NIDA will continue to move ENE across the open seas of the Western Pacific Ocean and become Extratropical by Wednesday afternoon (2PM Dec 02: 25.7N 148.9E). Based on this forecast, this system will not enter the Philippine Area of Responsibility (PAR). However, constant watch on this system will continue as half of the forecast guidance models still shows a track towards the Philippine Sea. *Alternate Forecast Scenario (AFS): The latest UKMO, JGSM, GFS, and ECMWF Extended Forecasts issued at 8AM today (Nov 28), still predicts NIDA to turn towards the left into the Philippine Sea - on a West or WSW track due to an approaching surge of NE Monsoon (aka. locally as "Amihan") from the strong High Pressure Area off SE China. This scenario is likely if the trend continues. Stay tuned for more info. 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 remains over open seas as it remains as a large and dangerous super typhoon. This howler is not affecting any major islands at this time. 6-hr total rainfall amounts of 5 up to 150 mm (light to moderate rain) can be expected along the outer and inner bands...with isolated amounts of 250 mm (heavy rain) near the center or EyeWall of Nida. Click here to view the latest NOAA's eTRaP graphic on the storm's rainfall amount.

+ Current NE Monsoon Intensity: LIGHT >> Sunny, clear to cloudy skies with possible passing rains, squalls (subasko) can be expected along the following affected areas: PORTIONS OF NORTHERN AND EASTERN LUZON, BICOL REGION, QUEZON, MASBATE, & NORTHERN VISAYAS. Light to moderate northeasterly winds (not in excess of 35 kph) can be expected on these areas.

[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 4-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

No comments:

Post a Comment

You are visitor number

SEA LEVEL PRESSURE

SEA LEVEL PRESSURE
rammb.cira.colostate.edu/projects/gparm/data/current/mtxyrpsf.gif

Followers

Blog Archive