Super Typhoon HAIYAN / Yolanda – a big menace

Super Typhoon HAIYAN / Yolanda

First of all sorry for the month off. I had been traveling between snow, ice and rocks and Röschti.

Super Typhoon HAIYAN / Yolanda, currently a Cat. 4 Typhoon, is approaching the Philippines.

The probability cone is still large and goes from Camiguin in the south to Pampanga in the north. If the storm is a straight-runner it will hit the south. If it follows a “Coriolis” track, it will hit rather the center to north.

Super Typhoon HAIYAN / Yolanda

The JMA forecast previews a “Coriolis” track, meaning that the typhoon will turn from west to north-west.

At 5:00 p.m. today the storm had been at 210 km east of the Philippines Area of Responsibility (PAR). With its forward speed of  41 km/h in direction West to WNW, the storm will enter PAR around 2:00 a.m. tomorrow morning. This forward speed is very high. Usual typhoons move at around 20 km/h.

Super Typhoon HAIYAN / Yolanda

All forecast models converge in a nearly single track. Landfall will be in southern Samar and then the typhoon will run towards northern Panay and Boracay. It might directly affect southern Mindoro.

Storm data:

Name (INTL. / local): HAIYAN / Yolanda
Class: Super Typhoon Category 4
Time/Date of observation: 05:00 PM on November 06, 2013
Location of Center: 7.7º North 136.9º East
Moving Direction and Speed: West – WNW @ 41 km/h  (extreme!)
Moving towards: Southern Samar
Distance from the Philippines: 1210 km ESE of Siargao Island
Estimated Date / Time of Landfall: ~ 11:00 AM on November 8, 2013
Max. Wind Speed near Center: 250 km/h 
Peak Wind Gusts: 305 km/h
Minimum Central Pressure: 922 hPa
Diameter: 720 km
24h Rainfall near Center: 455 mm
Max. Wave Height: 12 m = 40 ft
Here you find how to read and understand this data Link

 Current weather is here Link

 Animated weather movies are here Link

Please find below some hints:

Do now:

  • Store an adequate supply of food and clean water. Prepare food that need not be cooked.
  • Keep flashlights, candles and battery-powered radios within easy reach.
  • Examine your house and repair its unstable parts.
  • Always keep yourself updated with the latest weather report.
  • Secure domesticated animals in a safe place.
  • For fisher folks, place boats in a safe area.

During the typhoon:

  • Stay inside the house.
  • Always keep yourself updated with the latest weather report.
  • If safe drinking water is not available, boil water for at least 20 minutes. Place it in a container with cover.
  • Keep an eye on lighted candles or gas lamps.
  • Do not wade through floodwaters to avoid being electrocuted and contracting diseases.

If there is a need to move to an evacuation center, follow these reminders:

  • Evacuate calmly.
  • Close the windows and turn off the main power switch.
  • Put important appliances and belongings in a high ground.
  • Avoid the way leading to the river.
  • Bring clothes, first aid kit, candles/flashlight, battery-powered radio, food, etc.

After the typhoon:

  • If your house is destroyed, make sure that it is stable when you enter.
  • Beware of dangerous animals such as snakes that may have entered your house.
  • Watch out for live wires or outlet immersed in water.
  • Report damaged electrical cables and fallen electric posts to the authorities.
  • Do not let water accumulate in tires, cans or pots to avoid creating a favorable condition for mosquito breeding.

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1 Response

  1. Ruth und Hans Stiefel says:

    Thank you René. we know we cannot help or avoid the typhoon but our thoughts and hopes are with you and our beloved family

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