KNOW YOUR WARNINGS! Comparing Tropical Warnings in the Western Pacific

There are a varitey of countries across the western pacific with a slew of different way agencies warn and advise on tropical systems. That is putting aside the ways they actually label and warn said systems as well.

Here is a look at some of the comparisons between those agencies to help you better prepare for the storms in the future.

In the Philippines SIGNAL force warnings are issued during an approaching typhoon.

In Japan a combination of warnings, advisories and evacuations are issued during a typhoon. It’s important to know the differences.

Hong Kong issues their own warnings called Signal Force warnings. Signal Force 8 is typically the point where preparations are really made in the city. These warnings are separate than those issued on mainland China.

Taiwan also issues their own warnings, these basically give a heads up a typhoon is approaching.

Indonesia does not get very my typhoons or cyclones but they are still possible there.

Personally I (ROBERT SPETA) like the warnings from South Korea, they break down typhoon warning and advisories and get specific on what impacts will be made.

If you are familiar with warnings out of the USA and how they advise on storms then Guam and the Marianas islands are for you. The Guam NWS issues this morning and thus uses the same format as it’s counterparts on mainland USA.


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What is the official warnings agency, locally its the country the storm is impacting but as far as official records on the storm itself it’s JMA in the western pacific. Yet that continues to remain up for debate explained in this video.

One Response to “KNOW YOUR WARNINGS! Comparing Tropical Warnings in the Western Pacific”

  1. Hi, Robert! I am Carl from the Philippines. I’ve been a fan of yours since Typhoon Pablo (Bopha) in 2012.

    I have a comment regarding the Cyclone Warning Comparison (the first image). I would like to point out that max winds for Tropical Cyclone Wind Signal (TCWS) # 3 is 170 kph, though I noticed that the next image shows the correct wind speed.

    Thanks, and more power to you!

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