WEATHER.COM.PH / T2K TROPICAL CYCLONE UPDATES
TYPHOON PRAPIROON (NINA) UPDATE NUMBER 020
Issued: 12:00 NN PhT (04:00 GMT) Sunday 14 Oct 2012
Next Update: 6:00 PM PhT (10:00 GMT) Sunday 14 Oct 2012
Typhoon PRAPIROON (NINA) has moved north-northeast slowly while over the North Philippine Sea...weakens further.
Meanwhile, another system is developing over the Western Pacific. Tropical Disturbance 90W (LPA) located over the Northern Marianas...and is likely to become a Tropical Depression within the next 6 to 24 hours. It was moving northwest towards the Iwo To and Chichi Jima Islands and is not a threat to the Philippines.
Residents and visitors along Okinawa and Southern Japan should closely monitor the development of Prapiroon (Nina).
Do not use this for life or death decision. This update is intended for additional information purposes only. Kindly refer to your national weather agency for official warnings, advisories or bulletins.
CURRENT STORM ANALYSIS
As of 12 noon today, the eye of Typhoon Prapiroon (Nina) was located over the open waters of the North Philippine Sea...about 953 km east-northeast of Basco, Batanes or 568 km south-southeast of Okinawa City, Japan...currently moving north-northeast slowly with a forward speed of 7 km/hr.
Maximum Sustained Winds (1-min. avg) have decreased to 120 km/hr near the center with higher gusts. Typhoon Force Winds (118 km/hr or more) extend outward up to 35 kilometers (20 nautical miles) from the center...and Tropical Storm Force Winds (62-117 km/hr) extend outward up to 350 kilometers. These winds will remain over the open sea, not affecting any land areas. Prapiroon (Nina) is a very large-sized tropical cyclone with a diameter of 1,000 kilometers across. The 24-hour rainfall accumulation near and north of the center of Prapiroon (Nina) is estimated to be heavy (400 mm).
3-DAY FORECAST OUTLOOK*
Prapiroon (Nina) is expected to move slowly north to north-northwestward during the next 24 to 48 hours...and recurve sharply northwestward throughout the forecast period. On the forecast track, the core of Prapiroon (Nina) will continue to remain over the open sea, but may move closer to Okinawa on Tuesday and Wednesday and exit the Philippine Area of Responsibility (PAR).
This typhoon may re-strengthen slightly during the next 2 days and weaken on day 3.
The following is the summary of the 3-day forecast outlook on this system:
*Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 3 Forecast Track have an average error of 250 km...while the wind speed forecast error, averages 35 kph per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.
EFFECTS & HAZARDS SUMMARY
Below is the summary of the storm's parts and its hazards affecting specific areas. You can also view this image link for you to understand the parts.
Important Note: Please keep in mind that the above forecast outlook, effects and hazards summary changes every 6 to 12 hrs!
CURRENT TECHNICAL INFORMATION
Time/Date: 12:00 NN PhT Sun October 14, 2012
Class/Name: Typhoon Prapiroon (Nina)
Location of Eye: 22.3º N Lat 131.0º E Lon
Distance 1: 548 km (SSE) closer to Naha Airport, Okinawa
Distance 2: 559 km (SSE) closer to Kadena Air Base, Okinawa
Distance 3: 568 km (SSE) closer to Okinawa City
Distance 4: 686 km (SSE) closer to Amami Is., Ryukyus
Distance 5: 953 km (ENE) away from Basco, Batanes
MaxWinds (1-min avg): 120 kph near the center
Peak Wind Gusts: 150 kph
Present Movement: NNE @ 07 kph
Towards: Western Pacific Ocean
24hr Rainfall Accum (near center): Heavy [400 mm]
Minimum Central Pressure: 974 millibars (hPa)
Size (in Diameter): 1,000 km [Very Large]
Max Sea Wave Height (near center): 31 feet
Possible Storm Surge Height: 4-5 ft (1.2-1.7 m)
T2K StormTracks (for Public): GIF | Google Map (Flash)
CURRENT NOAA/MTSAT-2 INFRARED SATELLITE IMAGE:
CURRENT TRACKING CHART:
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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.nhc.noaa.gov/acronyms.shtml
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> http://www.typhoon2000.com
> http://www.maybagyo.com
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