Tuesday, September 27, 2011

Typhoon NESAT [PEDRING] - Update #013A


for Tuesday, 27 September 2011 [3:45 AM PhT]

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Typhoon2000 (T2K) NEWS (Monday Sep 26 2011):

Currently issuing 3-hrly web, email, & android (iTyphoon) updates (except 12:00 Midnight) on NESAT (PEDRING).


+ USA (JTWC/1-min avg): 150 km/hr
+ Japan (JMA/10-min avg): 130 km/hr
+ Philippines (PAGASA/10-min avg): 140 km/hr
+ Beijing (NMC/2-min avg): 140 km/hr
+ Taiwan (CWB/10-min avg): 125 km/hr
+ Korea (KMA/10-min avg): 145 km/hr

+ Hong Kong (HKO/10-min avg): 140 km/hr
:: Click here to see Multi-Agency Forecast Tracks


3:00 AM PhT (19:00 GMT) Tue 27 September 2011
Source: T2K Analysis/JTWC TC Warning #013/SatFixes
View: Advisory Archives (2004-2011)
Typhoon NESAT (PEDRING) boosted its intensity to Category 3 (195 km/hr) as it prepares to make landfall over Northern Aurora. Its EyeWall now affecting Northern Aurora & Isabela. Typhoon Force Winds expected.

Projected Landfall Area (PLA): Northern Aurora...with possible entry point or touchdown very near Casiguran between 4-5 AM local time today.

Residents and visitors along Luzon particularly Aurora, Quirino & Isabela should closely monitor the progress of NESAT (PEDRING).

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.


Time/Date: 3:00 AM PhT Tue September 27 2011
Location of Eye: 16.3º N Lat 122.7º E Lon
Distance 1: 65 km East of Casiguran, Aurora
Distance 2: 126 km SE of Cauayan, Isabela
Distance 3: 140 km ENE of Baler, Aurora
Distance 4: 139 km SE of Ilagan City, Isabela
Distance 5: 202 km NE of Cabanatuan City
Distance 6: 179 km SE of Tuguegarao City
Distance 7: 224 km East of Baguio City
Distance 8: 246 km NNW of Daet, CamNorte
Distance 9: 305 km NNW of Metro Naga/CWC
Distance 10: 258 km ESE of San Fernando City
Distance 11: 255 km NE of Metro Manila
MaxWinds (1-min avg): 195 kph (105 kts) near the center
Peak Wind Gusts: 240 kph (130 kts)
Present Movement: WNW @ 19 kph (10 kts)
Towards: Northern Aurora-Isabela Area
CPA [ETA] to Aurora: This Morning [4-5am PhT]
24hr Rainfall Accum (near center): 400 mm (High)
Rainrate (near center): 25-30 mm/hr (Moderate)
Minimum Central Pressure: 944 millibars (hPa)
Saffir-Simpson Typhoon Scale: Category 3
Size (in Diameter): 905 km (490 nm) [Very Large]
Wind Area Distribution (in Knots): Current Wind Profile
Max Sea Wave Height (near center): 30 ft
Possible Storm Surge Height: 9-12 ft [2.7-3.9 m]
T2K TrackMap (for Public): 12 AM PhT Tue Sep 27


NESAT's (PEDRING) circulation remains very large w/ very deep rainband-convection along its bands, especially the outer bands. A large eye has started to be seen on satellite imageries. Below is the summary of the storm's parts and its hazards affecting specific areas:

CLOUD-FILLED EYE - Still at sea but fast approaching the shores of Northern Aurora. Possible calm and lull conditions (with <20 kph winds) will be expected inside the eye (click here to know more about the EYE).
LARGE EYEWALL - affecting and moving across Aurora, Isabela & Quirino Provinces. Typhoon Conditions with Typhoon Force Winds (>118 kph) will be expected within this wall (click here to know more about the Eyewall).
INNER RAINBANDS - affecting & spreading across the rest of Northern Luzon. Tropical Storm Conditions w/ Tropical Storm Force Winds (62-117 kph) will be expected along these bands.
OUTER RAINBANDS - affecting & spreading across the whole of Luzon including Mindoro, Calamian Group, and Northern Visayas. Tropical Depression Conditions w/ moderate to strong winds (25-61 kph) will be expected along these bands (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 250 mm (low to high rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 251 to 400 mm (high) along areas near the center of NESAT (PEDRING). (click to open NOAA's eTRaP graphic).
COASTAL STORM SURGE FLOODING - possible 4-5 ft [1.2-1.7 m] above normal tide levels...accompanied by large and dangerous battering waves can be expected along the coastal and beach front areas of Eastern & Northern Bicol Region & Eastern Luzon. Minimal damage is likely on this type of storm surge. Danger from Rip Currents or Rip Tides can be expected along the beach-front areas of Luzon & Visayas.
(click here to know more about Storm Surge).



>> To know the meteorological terminologies and acronyms used on this update visit the ff:


For the complete details on TY NESAT (PEDRING)...go visit our website @:


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