Tropical Storm RAMMASUN approaches

Tropical Storm RAMMASUN

Tropical Storm RAMMASUN continues on its straight western track. The storm has maintained its strength and tonight will enter PAR (the Philippine’s Area of Responsibility).

Forecasts predict that the track will slightly bend from straight west to west-northwest in the coming 24 to 36 hours. If the storm follows this new track, it will make landfall in Aurora between Baler and Casiguran on Wednesday evening.

As usual, we rely on the forecast of JMA, the Japan Meteprological Agency. You may also want to see their barometric map which not only shows the storm’s pressure but also other low and high pressure areas in the region. These other systems may influence the direction and the development of Tropical Storm RAMMASUN. There is a weak high pressure north of RAMMASUN that prevents the storm from turning north-west.

Tropical Storm RAMMASUN

Below is the map of JTWC (US NAVY). It shows that Tropical Storm RAMMASUN will become a typhoon Cat.1 when it enters PAR. Maximum strength will be Cat.2 just off the coast of Aurora.

Tropical Storm RAMMASUN

Rammasun Storm data:

Name (INTL. / local): RAMMASUN
Class: Tropical Storm
Time/Date of observation: 06:30 AM on July 13, 2014
Location of Center: 13.6º North 139.9º East
Moving Direction and Speed: West @ 24 km/h
Moving towards: Aurora (Luzon)
Distance from the Philippines: 1935 km ESE of Casiguran, Aurora
Estimated Date / Time of Landfall: Wednesday evening, July 16
Max. Wind Speed near Center: 65 km/h
Peak Wind Gusts: 85 km/h
Minimum Central Pressure: 996 hPa
Diameter: 335 km (rather small)
24h Rainfall near Center: 200 – 350 mm
Max. Wave Height: n/a
Here you find how to read and understand this data 

 Nearly real-time storm information


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