Archive | November 8, 2013

Friday evening update on Typhoon Haiyan / Yolanda battering the Philippines

Typhoon Haiyan / Yolanda continues to batter the central Philippines tonight.  At 5 p.m. PhST, the center of Typhoon Haiyan was positioned about 110 km south-southeast of San Jose, Occidental Mindoro, or about 165 km east-southeast of Coron, Palawan.  JMA reported the central winds at 195 km/h, gusting to 280 km/h (105G150 kt) while JTWC reported 270 km/h gusting to 325 km/h (145G175 kt), which is the equivalent of a category 5 typhoon on the Saffir-Simpson Hurricane Scale used in the Atlantic.

Public Storm Warning Signals remain posted throughout the central Philippines, to include Signal 4 for extreme northern Palawan, Calamian Islands, southern Occidental Mindoro, southern Oriental Mindoro, Aklan, Capiz, Antique, Iloilo, and Guimaras.

Meanwhile, Haiyan continues to pose an extreme wind threat as well as heavy rain (100-150 mm through tomorrow morning) as well as a threat for flash flooding, landslides, and storm surge.

Meanwhile, those in central and northern Vietnam will be preparing for Haiyan to strike them Sunday afternoon through Monday; those in the wake of the storm will begin the recovery phase.  Reports in the Philippines are already reporting up to four deaths.  Military forces are being dispatched to help in the recovery efforts.


[youtube_sc url=””%5D

Super Typhoon Haiyan (Yolanda) Afternoon Video Update | November 8, 2013

Super Typhoon Haiyan (Bagyong Yolanda) is now moving across the island of Panay bringing strong winds and heavy rains across the region. The storm center was last located approximately 25km south of Roxas City, 60km southeast of Kalibo, or about 70km north of Iloilo City. Maximum sustained winds have been kept by the Japan Meteorological Agency with sustained winds of 230kph and gusts of up to 325kph. STY Haiyan is currently moving west northwestward at 35kph.

Please watch our video below for more info:

[youtube_sc url=””%5D

IR Image from NRLMRY

110813 0530z ir analysis

Satellite image above shows clouds associated with Super Typhoon Haiyan (Yolanda) continuing to move across the islands in Visayas. The eye is no longer visible as the system continues to weaken due to numerous island crossings it made this morning. We have also highlighted the places and cities that are still under threat by this very powerful and dangerous typhoon.

We’ll continue to keep you updated regarding Haiyan as it crosses the Central Philippines. If you have any videos or images regarding this typhoon, please share them with us on Facebook or on our email and here at Western Pacific Weather. Stay safe!

-WxCaster PAT

3D wind flow of supertyphoon Yolanda/Haiyan

Here’s a 3-D wind flow streamline visualization of typhoon Yolanda/Haiyan showing huge horizontal and vertical extent

[youtube_sc url=”″%5D

this model simulation is based on gfs 7Nov2013 18UTC forecast. Lines indicate wind flow and color indicated potential temperature.

More info of Yolanda/Haiyan here, from Meteorologist Robert Speta

20131108 gb