Quadruple-Header SVR on XLN-470 in London, ON, Canada! (Rare!) [June 2014]

I managed to catch a quadruple-header Severe Thunderstorm Warning on Weatheradio Canada! This was recorded back in June of 2014 during a severe weather outbreak, while vacationing in Southern Ontario.
I have never seen emergency alerts toned back-to-back like this. Usually, if multiple separate warnings get issued in close sequence of each other, they are tone-alerted over NOAA Weather Radio in the order in which they were issued. It's supposed to happen like this:
[Header #1]
[1050 Hz Attention Tone]
[Product Text]
[End of Message]
[Header #2]
[1050 Hz Attention Tone]
[Product Text]
[End of Message]
[Header #3]
etc, etc.
Instead, this happened:
[Header #1]
[Header #2]
[Header #3]
[Header #4]
[1050 Hz Attention Tone]
[End of Message]
[Product Text]
This was an anomoly, but as you can see, Environment Canada does things in a different order. Under normal circumstances, a typical toned alert over Canada's weather radio network goes something like this:
[Header]
[Timer Beeps] (used to fill in the dead air while the user's radio is alerting - also functions as an attention-getter)
[English] "Environment Canada has issued a significant weather bulletin for regions in the broadcast area. Stay tuned for further information."
[Français] Environnement Canada a mise un bulletin des conditions météorologiques important pour les régions dans la zone de diffusion. Restez à l'écoute pour plus d'informations.
[End of Message]
[Product Text: English]
[Product Text: Français]
Note: it's possible that the [1050 Hz Attention Tone] is only sent out when a significant portion of the broadcast area is under a watch/warning. This video is one of the only times I've heard them use that tone. It might be that they reserve usage of the 1050 Hz tone for life-threatening emergencies (or PDS storms, as they're referred to by the NWS). This is because a lot of older weather alert radios don't have S.A.M.E. decoding. They are only listening for that 1050 Hz tone. This is also true for handheld mobile radios like the Midland HH50, or emergency crank radios.
It also might be for mariners out on the Great Lakes. Think about it; marine locations don't have designated S.A.M.E. codes because you're out on the open water. Mobile weather radios rely on that 1050 Hz tone to sound the alarm, and it's up to the mariner to listen for relevant information and determine if the alert applies to them. This alert contained multiple Squall Warnings, so I'm assuming that's what the 1050 Hz tone was for, for people out on their boats.
But hey, that's just a couple of theories. There isn't much information about the Weatheradio Canada Network out there, just a generic government website with some very basic information. It's very similar to ours, and operates on much the same principles with regard to S.A.M.E. and EAS protocols. I hope to do a follow-up video soon, because a lot has changed in the last 10 years with regard to weather radios, both in Canada and the U.S., including new synthesized text-to-speech technology!
Thanks for watching, and stay tuned! :)

[@theradioenthusiast4339]

AVIPADS liked to have issues as shown in this video haha

[@lollipop7ification]

What is AVIPADS?

[@theradioenthusiast4339]

@@lollipop7ification the previous system used up to 2021, when it was replaced by iNOTiFY

[@lollipop7ification]

@@theradioenthusiast4339 Oh! I gotcha. I knew Environment Canada recently replaced their old system, but didn’t know what it was called.